diff --git "a/trees/auto_problem_093_tree.json" "b/trees/auto_problem_093_tree.json" new file mode 100644--- /dev/null +++ "b/trees/auto_problem_093_tree.json" @@ -0,0 +1,110803 @@ +{ + "problem_id": "auto_problem_093", + "problem_text": "PROBLEM: Truss optimization problem (ground structure variant 93)\n\nINITIAL STRUCTURE:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nLOADING:\n Joint J4: Force=(0, -75507, 0) N\n\nDESIGN GOALS:\n - Minimum Factor of Safety (buckling): 1.5\n - Minimum Factor of Safety (yielding): 1.5\n - Maximum allowable mass: 600.91 kg\n - Objective: Minimize mass while satisfying FOS constraints", + "correct_answer": "Optimal feasible solution found via LP", + "tree_type": "modification", + "root_id": "node_0", + "total_nodes": 3394, + "max_depth": 9, + "nodes": { + "node_0": { + "node_id": "node_0", + "content": "INITIAL DESIGN (Trace 0)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1": { + "node_id": "node_1", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 495.58 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.5753636141146, + "fos_buckling": 0.9969974985887733, + "fos_yielding": 12.480088253361052, + "deflection": 0.007462827750885374, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_0", + "improvement_over_parent": null + }, + "node_2": { + "node_id": "node_2", + "content": "MODIFICATION: Increase 5 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 497.13 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 497.1268614580498, + "fos_buckling": 0.996997498588773, + "fos_yielding": 12.480088253361052, + "deflection": 0.007462827750885376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.256)" + }, + "parent_node_id": "node_1", + "improvement_over_parent": null + }, + "node_3": { + "node_id": "node_3", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 544.73 kg\n Factor of Safety: 1.50\n Max Deflection: 5.98e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.7296259185528, + "fos_buckling": 1.5024527289089857, + "fos_yielding": 14.382004166683693, + "deflection": 0.005978236137867027, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2", + "improvement_over_parent": null + }, + "node_4": { + "node_id": "node_4", + "content": "MODIFICATION: Increase 6 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 560.39 kg\n Factor of Safety: 1.50\n Max Deflection: 5.81e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 560.3893056773727, + "fos_buckling": 1.4958126303225021, + "fos_yielding": 14.817645959972866, + "deflection": 0.0058125015718192, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.211)" + }, + "parent_node_id": "node_3", + "improvement_over_parent": null + }, + "node_5": { + "node_id": "node_5", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_4", + "improvement_over_parent": null + }, + "node_6": { + "node_id": "node_6", + "content": "INITIAL DESIGN (Trace 1)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 329.44 kg\n Factor of Safety: 0.86\n Max Deflection: 9.81e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.4365398388367, + "fos_buckling": 0.8558202887313768, + "fos_yielding": 8.143126089443625, + "deflection": 0.009809363720362054, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_7": { + "node_id": "node_7", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 398.49 kg\n Factor of Safety: 1.01\n Max Deflection: 8.14e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.4945922661728, + "fos_buckling": 1.0134526701219426, + "fos_yielding": 9.876718730693135, + "deflection": 0.008140065775148942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.224)" + }, + "parent_node_id": "node_6", + "improvement_over_parent": null + }, + "node_8": { + "node_id": "node_8", + "content": "MODIFICATION: Increase 5 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 400.74 kg\n Factor of Safety: 1.02\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 400.7417029977246, + "fos_buckling": 1.024052406852292, + "fos_yielding": 12.149205451626898, + "deflection": 0.008039669465117716, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.282)" + }, + "parent_node_id": "node_7", + "improvement_over_parent": null + }, + "node_9": { + "node_id": "node_9", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 480.79 kg\n Factor of Safety: 1.20\n Max Deflection: 6.73e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.7862689839343, + "fos_buckling": 1.198171228355193, + "fos_yielding": 14.574786438946994, + "deflection": 0.006731707298770546, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_8", + "improvement_over_parent": null + }, + "node_10": { + "node_id": "node_10", + "content": "MODIFICATION: Increase 3 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 496.85 kg\n Factor of Safety: 1.25\n Max Deflection: 6.59e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 496.85305276158766, + "fos_buckling": 1.2509224202530516, + "fos_yielding": 13.97033156276652, + "deflection": 0.006591979647053475, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.558)" + }, + "parent_node_id": "node_9", + "improvement_over_parent": null + }, + "node_11": { + "node_id": "node_11", + "content": "MODIFICATION: Increase 9 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 517.97 kg\n Factor of Safety: 1.34\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.9747624253403, + "fos_buckling": 1.3352121378984034, + "fos_yielding": 13.234417009661325, + "deflection": 0.006390451459021877, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.538)" + }, + "parent_node_id": "node_10", + "improvement_over_parent": null + }, + "node_12": { + "node_id": "node_12", + "content": "MODIFICATION: Increase 10 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 535.03 kg\n Factor of Safety: 1.54\n Max Deflection: 6.14e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 535.0275762381364, + "fos_buckling": 1.5360289898302777, + "fos_yielding": 13.797095355149702, + "deflection": 0.006140160949837992, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.282)" + }, + "parent_node_id": "node_11", + "improvement_over_parent": null + }, + "node_13": { + "node_id": "node_13", + "content": "MODIFICATION: Increase 0 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.50 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5039748232414, + "fos_buckling": 1.5381865151168097, + "fos_yielding": 14.278036521099112, + "deflection": 0.005951831692095279, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.250)" + }, + "parent_node_id": "node_12", + "improvement_over_parent": null + }, + "node_14": { + "node_id": "node_14", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_13", + "improvement_over_parent": null + }, + "node_15": { + "node_id": "node_15", + "content": "INITIAL DESIGN (Trace 2)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 352.60 kg\n Factor of Safety: 0.82\n Max Deflection: 9.82e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.60321341208146, + "fos_buckling": 0.8178052376222025, + "fos_yielding": 9.850200011464011, + "deflection": 0.009823358485226509, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_16": { + "node_id": "node_16", + "content": "MODIFICATION: Increase 5 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 355.48 kg\n Factor of Safety: 0.82\n Max Deflection: 9.74e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.479368726645, + "fos_buckling": 0.8178052376222026, + "fos_yielding": 9.850200011464011, + "deflection": 0.009743188308393295, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.661)" + }, + "parent_node_id": "node_15", + "improvement_over_parent": null + }, + "node_17": { + "node_id": "node_17", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 392.71 kg\n Factor of Safety: 1.18\n Max Deflection: 8.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.71176466678264, + "fos_buckling": 1.1804299055915015, + "fos_yielding": 12.60623846835347, + "deflection": 0.008021820562231542, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006646)" + }, + "parent_node_id": "node_16", + "improvement_over_parent": null + }, + "node_18": { + "node_id": "node_18", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 502.50 kg\n Factor of Safety: 1.44\n Max Deflection: 6.31e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 502.50142819938486, + "fos_buckling": 1.4437496076725747, + "fos_yielding": 16.10783832355569, + "deflection": 0.0063118720940040255, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_17", + "improvement_over_parent": null + }, + "node_19": { + "node_id": "node_19", + "content": "MODIFICATION: Increase 9 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0174)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.11 kg\n Factor of Safety: 1.46\n Max Deflection: 5.89e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.1133553865033, + "fos_buckling": 1.4586845753427717, + "fos_yielding": 16.919237306390645, + "deflection": 0.005891094331698676, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.613)" + }, + "parent_node_id": "node_18", + "improvement_over_parent": null + }, + "node_20": { + "node_id": "node_20", + "content": "MODIFICATION: Increase 8 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0089)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0174)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 565.63 kg\n Factor of Safety: 1.45\n Max Deflection: 5.77e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 565.6266534339168, + "fos_buckling": 1.4529579454882293, + "fos_yielding": 16.301926207355933, + "deflection": 0.005766980996848657, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.517)" + }, + "parent_node_id": "node_19", + "improvement_over_parent": null + }, + "node_21": { + "node_id": "node_21", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_20", + "improvement_over_parent": null + }, + "node_22": { + "node_id": "node_22", + "content": "INITIAL DESIGN (Trace 3)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 258.42 kg\n Factor of Safety: 0.42\n Max Deflection: 2.43e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 258.4226606585515, + "fos_buckling": 0.4242370997557406, + "fos_yielding": 3.372947851810531, + "deflection": 0.02434294473416767, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_23": { + "node_id": "node_23", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 315.22 kg\n Factor of Safety: 0.43\n Max Deflection: 1.61e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.2154674615808, + "fos_buckling": 0.43105535354324603, + "fos_yielding": 4.885946819675158, + "deflection": 0.016054327077526923, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007146)" + }, + "parent_node_id": "node_22", + "improvement_over_parent": null + }, + "node_24": { + "node_id": "node_24", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 372.01 kg\n Factor of Safety: 1.12\n Max Deflection: 8.65e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.00827426461007, + "fos_buckling": 1.119100631029223, + "fos_yielding": 9.68137979516761, + "deflection": 0.00865176356346854, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007146)" + }, + "parent_node_id": "node_23", + "improvement_over_parent": null + }, + "node_25": { + "node_id": "node_25", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 460.95 kg\n Factor of Safety: 1.34\n Max Deflection: 7.02e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.95236272514217, + "fos_buckling": 1.3409316791175054, + "fos_yielding": 12.018997726285027, + "deflection": 0.007020030482504269, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_24", + "improvement_over_parent": null + }, + "node_26": { + "node_id": "node_26", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.15 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1498629578881, + "fos_buckling": 1.5374105036944588, + "fos_yielding": 14.266525231060683, + "deflection": 0.005955398147577058, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_25", + "improvement_over_parent": null + }, + "node_27": { + "node_id": "node_27", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_26", + "improvement_over_parent": null + }, + "node_28": { + "node_id": "node_28", + "content": "INITIAL DESIGN (Trace 4)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 218.84 kg\n Factor of Safety: 0.89\n Max Deflection: 3.38e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 218.84290773411522, + "fos_buckling": 0.8885932023064863, + "fos_yielding": 11.094934521270206, + "deflection": 33806255804328.86, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_29": { + "node_id": "node_29", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n\nPerformance:\n Mass: 249.86 kg\n Factor of Safety: 0.53\n Max Deflection: 3.38e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 249.85675456431858, + "fos_buckling": 0.5254931752219351, + "fos_yielding": 7.451236108236126, + "deflection": 33773562166794.676, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005470)" + }, + "parent_node_id": "node_28", + "improvement_over_parent": null + }, + "node_30": { + "node_id": "node_30", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 317.16 kg\n Factor of Safety: 0.36\n Max Deflection: 3.97e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.1587745527744, + "fos_buckling": 0.36476266593007983, + "fos_yielding": 4.69412138155188, + "deflection": 39689099641413.31, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_29", + "improvement_over_parent": null + }, + "node_31": { + "node_id": "node_31", + "content": "MODIFICATION: Increase 5 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 332.78 kg\n Factor of Safety: 0.27\n Max Deflection: 5.30e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 332.78136911545135, + "fos_buckling": 0.2735719994475599, + "fos_yielding": 3.5205910361639097, + "deflection": 52971449879998.11, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.326)" + }, + "parent_node_id": "node_30", + "improvement_over_parent": null + }, + "node_32": { + "node_id": "node_32", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n\nPerformance:\n Mass: 343.51 kg\n Factor of Safety: 1.64\n Max Deflection: 5.20e+13 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 343.50835084773445, + "fos_buckling": 1.6439171433452784, + "fos_yielding": 19.892535004312567, + "deflection": 52032300913057.81, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005105)" + }, + "parent_node_id": "node_31", + "improvement_over_parent": null + }, + "node_33": { + "node_id": "node_33", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 412.49 kg\n Factor of Safety: 0.85\n Max Deflection: 8.90e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.48871742522044, + "fos_buckling": 0.8548230135201538, + "fos_yielding": 10.37434336332876, + "deflection": 0.008904544473543517, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008798)" + }, + "parent_node_id": "node_32", + "improvement_over_parent": null + }, + "node_34": { + "node_id": "node_34", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0126)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.41 kg\n Factor of Safety: 1.00\n Max Deflection: 7.40e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.40585747573317, + "fos_buckling": 0.9971584711770066, + "fos_yielding": 12.479877945216462, + "deflection": 0.007403788049686661, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.230)" + }, + "parent_node_id": "node_33", + "improvement_over_parent": null + }, + "node_35": { + "node_id": "node_35", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0126)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 562.54 kg\n Factor of Safety: 1.32\n Max Deflection: 5.91e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 562.5385103683537, + "fos_buckling": 1.3217352042284156, + "fos_yielding": 14.057733652280527, + "deflection": 0.005905150665976082, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_34", + "improvement_over_parent": null + }, + "node_36": { + "node_id": "node_36", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_35", + "improvement_over_parent": null + }, + "node_37": { + "node_id": "node_37", + "content": "INITIAL DESIGN (Trace 5)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 401.50 kg\n Factor of Safety: 0.91\n Max Deflection: 8.88e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.50280540879623, + "fos_buckling": 0.9123146267285415, + "fos_yielding": 11.202203037125171, + "deflection": 0.008878844052294945, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_38": { + "node_id": "node_38", + "content": "MODIFICATION: Increase 9 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 417.49 kg\n Factor of Safety: 0.91\n Max Deflection: 8.64e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.491053253161, + "fos_buckling": 0.9113920871655361, + "fos_yielding": 11.190875283308896, + "deflection": 0.008635261238112727, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.297)" + }, + "parent_node_id": "node_37", + "improvement_over_parent": null + }, + "node_39": { + "node_id": "node_39", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 459.96 kg\n Factor of Safety: 1.35\n Max Deflection: 7.09e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.9577468058574, + "fos_buckling": 1.3493767865241053, + "fos_yielding": 12.458307455941123, + "deflection": 0.007092365793560445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007660)" + }, + "parent_node_id": "node_38", + "improvement_over_parent": null + }, + "node_40": { + "node_id": "node_40", + "content": "MODIFICATION: Increase 1 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 474.65 kg\n Factor of Safety: 1.35\n Max Deflection: 6.77e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.6534693512363, + "fos_buckling": 1.3525026017815458, + "fos_yielding": 13.151462968653538, + "deflection": 0.006765747616018905, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.393)" + }, + "parent_node_id": "node_39", + "improvement_over_parent": null + }, + "node_41": { + "node_id": "node_41", + "content": "MODIFICATION: Increase 8 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 490.50 kg\n Factor of Safety: 1.35\n Max Deflection: 6.67e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.4959668940265, + "fos_buckling": 1.348959933275285, + "fos_yielding": 12.77547098437848, + "deflection": 0.006666643947188181, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.309)" + }, + "parent_node_id": "node_40", + "improvement_over_parent": null + }, + "node_42": { + "node_id": "node_42", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0124)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 549.70 kg\n Factor of Safety: 1.48\n Max Deflection: 5.97e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.6976132357001, + "fos_buckling": 1.478735961079439, + "fos_yielding": 14.341215132762342, + "deflection": 0.005968216920615438, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.133)" + }, + "parent_node_id": "node_41", + "improvement_over_parent": null + }, + "node_43": { + "node_id": "node_43", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_42", + "improvement_over_parent": null + }, + "node_44": { + "node_id": "node_44", + "content": "INITIAL DESIGN (Trace 6)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 395.69 kg\n Factor of Safety: 0.83\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.69054000040717, + "fos_buckling": 0.8312307225674729, + "fos_yielding": 8.641063710235485, + "deflection": 0.011725411575512662, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_45": { + "node_id": "node_45", + "content": "MODIFICATION: Increase 8 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 405.92 kg\n Factor of Safety: 0.83\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 405.91898002549453, + "fos_buckling": 0.8310456409820555, + "fos_yielding": 8.643053791782878, + "deflection": 0.011725294734591125, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.266)" + }, + "parent_node_id": "node_44", + "improvement_over_parent": null + }, + "node_46": { + "node_id": "node_46", + "content": "MODIFICATION: Increase 4 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 408.37 kg\n Factor of Safety: 0.83\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.3684771292461, + "fos_buckling": 0.8304299738733838, + "fos_yielding": 8.649686720888544, + "deflection": 0.011724905692773839, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.497)" + }, + "parent_node_id": "node_45", + "improvement_over_parent": null + }, + "node_47": { + "node_id": "node_47", + "content": "MODIFICATION: Increase 0 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 416.76 kg\n Factor of Safety: 0.84\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.7577653694205, + "fos_buckling": 0.8446120142356925, + "fos_yielding": 10.210731896882585, + "deflection": 0.011216825817664504, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.218)" + }, + "parent_node_id": "node_46", + "improvement_over_parent": null + }, + "node_48": { + "node_id": "node_48", + "content": "MODIFICATION: Increase 3 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 428.51 kg\n Factor of Safety: 0.84\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.51443043571277, + "fos_buckling": 0.844402128540742, + "fos_yielding": 10.209016612247297, + "deflection": 0.011225279648052542, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.477)" + }, + "parent_node_id": "node_47", + "improvement_over_parent": null + }, + "node_49": { + "node_id": "node_49", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 438.93 kg\n Factor of Safety: 1.29\n Max Deflection: 7.36e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.9347599322313, + "fos_buckling": 1.2874853510431545, + "fos_yielding": 11.440413917341987, + "deflection": 0.007362228330678507, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004948)" + }, + "parent_node_id": "node_48", + "improvement_over_parent": null + }, + "node_50": { + "node_id": "node_50", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.47 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4727792043637, + "fos_buckling": 1.537971420979856, + "fos_yielding": 14.276203384291893, + "deflection": 0.005951883747748534, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_49", + "improvement_over_parent": null + }, + "node_51": { + "node_id": "node_51", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_50", + "improvement_over_parent": null + }, + "node_52": { + "node_id": "node_52", + "content": "INITIAL DESIGN (Trace 7)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 382.91 kg\n Factor of Safety: 0.51\n Max Deflection: 1.27e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.90592229200035, + "fos_buckling": 0.5133124182203007, + "fos_yielding": 6.811982347866177, + "deflection": 12678005898239.525, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_53": { + "node_id": "node_53", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 395.88 kg\n Factor of Safety: 0.46\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.8754418015552, + "fos_buckling": 0.4646462834586122, + "fos_yielding": 4.98912456308421, + "deflection": 0.01262107894237876, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_52", + "improvement_over_parent": null + }, + "node_54": { + "node_id": "node_54", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 479.27 kg\n Factor of Safety: 1.00\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.27067423491667, + "fos_buckling": 0.9980358904464738, + "fos_yielding": 12.493086502648557, + "deflection": 0.007515968748122369, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_53", + "improvement_over_parent": null + }, + "node_55": { + "node_id": "node_55", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 543.40 kg\n Factor of Safety: 1.31\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.4033271275373, + "fos_buckling": 1.3114447151137811, + "fos_yielding": 14.081595558234882, + "deflection": 0.006006701262482608, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_54", + "improvement_over_parent": null + }, + "node_56": { + "node_id": "node_56", + "content": "MODIFICATION: Increase 6 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0159)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 577.09 kg\n Factor of Safety: 1.30\n Max Deflection: 5.70e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 577.0872882127842, + "fos_buckling": 1.3002933535479586, + "fos_yielding": 13.961858171150341, + "deflection": 0.00569831150810052, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.466)" + }, + "parent_node_id": "node_55", + "improvement_over_parent": null + }, + "node_57": { + "node_id": "node_57", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_56", + "improvement_over_parent": null + }, + "node_58": { + "node_id": "node_58", + "content": "INITIAL DESIGN (Trace 8)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n\nPerformance:\n Mass: 222.96 kg\n Factor of Safety: 0.25\n Max Deflection: 2.30e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 222.9578827075647, + "fos_buckling": 0.25265239284542385, + "fos_yielding": 3.6849688935021323, + "deflection": 0.02302651133402061, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_59": { + "node_id": "node_59", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n\nPerformance:\n Mass: 250.99 kg\n Factor of Safety: 0.25\n Max Deflection: 2.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 250.98716546154498, + "fos_buckling": 0.25219978763784445, + "fos_yielding": 3.6783675861003555, + "deflection": 0.02124885016953978, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.004916)" + }, + "parent_node_id": "node_58", + "improvement_over_parent": null + }, + "node_60": { + "node_id": "node_60", + "content": "MODIFICATION: Increase 3 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n\nPerformance:\n Mass: 254.07 kg\n Factor of Safety: 0.25\n Max Deflection: 2.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 254.07184809042087, + "fos_buckling": 0.25219978763784434, + "fos_yielding": 3.6783675861003537, + "deflection": 0.021200427473521976, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.590)" + }, + "parent_node_id": "node_59", + "improvement_over_parent": null + }, + "node_61": { + "node_id": "node_61", + "content": "MODIFICATION: Increase 8 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n\nPerformance:\n Mass: 270.26 kg\n Factor of Safety: 0.25\n Max Deflection: 1.96e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 270.2560567377842, + "fos_buckling": 0.25193918947920435, + "fos_yielding": 3.674566727151514, + "deflection": 0.019587968660530187, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.462)" + }, + "parent_node_id": "node_60", + "improvement_over_parent": null + }, + "node_62": { + "node_id": "node_62", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0093)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n\nPerformance:\n Mass: 316.63 kg\n Factor of Safety: 0.29\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.6321162418442, + "fos_buckling": 0.29233238987178267, + "fos_yielding": 4.310204754165472, + "deflection": 0.01674825120641887, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_61", + "improvement_over_parent": null + }, + "node_63": { + "node_id": "node_63", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0068)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 370.84 kg\n Factor of Safety: 0.34\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.84302407005777, + "fos_buckling": 0.3385089822095567, + "fos_yielding": 5.05614278466506, + "deflection": 0.014328675207048487, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_62", + "improvement_over_parent": null + }, + "node_64": { + "node_id": "node_64", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0068)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 438.30 kg\n Factor of Safety: 0.99\n Max Deflection: 7.54e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.30104240712626, + "fos_buckling": 0.9908492608908582, + "fos_yielding": 12.263510350658787, + "deflection": 0.00753689708931675, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008589)" + }, + "parent_node_id": "node_63", + "improvement_over_parent": null + }, + "node_65": { + "node_id": "node_65", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0086)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0139)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 541.14 kg\n Factor of Safety: 1.20\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.143174057868, + "fos_buckling": 1.1985464417353335, + "fos_yielding": 15.185690521158921, + "deflection": 0.006132597466974579, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.259)" + }, + "parent_node_id": "node_64", + "improvement_over_parent": null + }, + "node_66": { + "node_id": "node_66", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_65", + "improvement_over_parent": null + }, + "node_67": { + "node_id": "node_67", + "content": "INITIAL DESIGN (Trace 9)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 407.71 kg\n Factor of Safety: 0.87\n Max Deflection: 8.78e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.707584499119, + "fos_buckling": 0.8714810551482602, + "fos_yielding": 10.613434241237892, + "deflection": 0.008778191481093187, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_68": { + "node_id": "node_68", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 452.75 kg\n Factor of Safety: 1.31\n Max Deflection: 7.09e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 452.75329497395575, + "fos_buckling": 1.3073527668636995, + "fos_yielding": 12.343109650354306, + "deflection": 0.0070942370601201855, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006476)" + }, + "parent_node_id": "node_67", + "improvement_over_parent": null + }, + "node_69": { + "node_id": "node_69", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 535.35 kg\n Factor of Safety: 1.50\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.353052452401, + "fos_buckling": 1.496865572480856, + "fos_yielding": 14.611118837276276, + "deflection": 0.006030099395753284, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.200)" + }, + "parent_node_id": "node_68", + "improvement_over_parent": null + }, + "node_70": { + "node_id": "node_70", + "content": "MODIFICATION: Increase 9 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 551.66 kg\n Factor of Safety: 1.54\n Max Deflection: 5.85e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 551.6600914261368, + "fos_buckling": 1.5421291988213632, + "fos_yielding": 15.064635789678944, + "deflection": 0.005848688144416563, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.220)" + }, + "parent_node_id": "node_69", + "improvement_over_parent": null + }, + "node_71": { + "node_id": "node_71", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_70", + "improvement_over_parent": null + }, + "node_72": { + "node_id": "node_72", + "content": "INITIAL DESIGN (Trace 10)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 477.76 kg\n Factor of Safety: 0.94\n Max Deflection: 9.95e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.75826554225273, + "fos_buckling": 0.9351294199803226, + "fos_yielding": 11.513942713984813, + "deflection": 0.009951144517036563, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_73": { + "node_id": "node_73", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 489.53 kg\n Factor of Safety: 1.40\n Max Deflection: 6.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.530627550354, + "fos_buckling": 1.3960715132393913, + "fos_yielding": 13.179895989630383, + "deflection": 0.006598357406575074, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005646)" + }, + "parent_node_id": "node_72", + "improvement_over_parent": null + }, + "node_74": { + "node_id": "node_74", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 495.84 kg\n Factor of Safety: 1.42\n Max Deflection: 6.54e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.84395334728373, + "fos_buckling": 1.423278863215414, + "fos_yielding": 12.938894956394947, + "deflection": 0.0065397878195295875, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.186)" + }, + "parent_node_id": "node_73", + "improvement_over_parent": null + }, + "node_75": { + "node_id": "node_75", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.37 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.374638126659, + "fos_buckling": 1.537910781528731, + "fos_yielding": 14.272949625712089, + "deflection": 0.005953028212207928, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_74", + "improvement_over_parent": null + }, + "node_76": { + "node_id": "node_76", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_75", + "improvement_over_parent": null + }, + "node_77": { + "node_id": "node_77", + "content": "INITIAL DESIGN (Trace 11)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 447.13 kg\n Factor of Safety: 0.46\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.1315738748193, + "fos_buckling": 0.46037759654586036, + "fos_yielding": 7.091658373806184, + "deflection": 0.012019379839766094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_78": { + "node_id": "node_78", + "content": "MODIFICATION: Increase 2 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 459.44 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.44440074157717, + "fos_buckling": 0.5929322999872138, + "fos_yielding": 7.075386314608915, + "deflection": 0.011084648016971864, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.383)" + }, + "parent_node_id": "node_77", + "improvement_over_parent": null + }, + "node_79": { + "node_id": "node_79", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.84 kg\n Factor of Safety: 1.23\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.8396331749386, + "fos_buckling": 1.2284125052537567, + "fos_yielding": 13.061908640952604, + "deflection": 0.006021819449947278, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_78", + "improvement_over_parent": null + }, + "node_80": { + "node_id": "node_80", + "content": "MODIFICATION: Increase 6 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2684649027342, + "fos_buckling": 1.5376178574310928, + "fos_yielding": 14.269923698789821, + "deflection": 0.005954091590379241, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.605)" + }, + "parent_node_id": "node_79", + "improvement_over_parent": null + }, + "node_81": { + "node_id": "node_81", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_80", + "improvement_over_parent": null + }, + "node_82": { + "node_id": "node_82", + "content": "INITIAL DESIGN (Trace 12)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 324.97 kg\n Factor of Safety: 0.97\n Max Deflection: 9.78e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.97015759543825, + "fos_buckling": 0.9674387443144262, + "fos_yielding": 9.352435000819968, + "deflection": 0.009775064095871913, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_83": { + "node_id": "node_83", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 423.46 kg\n Factor of Safety: 1.21\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.46071087579173, + "fos_buckling": 1.214085095571974, + "fos_yielding": 12.195777839509429, + "deflection": 0.007546778118727382, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.325)" + }, + "parent_node_id": "node_82", + "improvement_over_parent": null + }, + "node_84": { + "node_id": "node_84", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 525.18 kg\n Factor of Safety: 1.45\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.1823485217236, + "fos_buckling": 1.4468640433942825, + "fos_yielding": 15.13503389077945, + "deflection": 0.00612276495439125, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_83", + "improvement_over_parent": null + }, + "node_85": { + "node_id": "node_85", + "content": "MODIFICATION: Increase 9 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.84 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.8403622598431, + "fos_buckling": 1.5388728437286283, + "fos_yielding": 14.283192930244521, + "deflection": 0.005948257391770037, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.558)" + }, + "parent_node_id": "node_84", + "improvement_over_parent": null + }, + "node_86": { + "node_id": "node_86", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_85", + "improvement_over_parent": null + }, + "node_87": { + "node_id": "node_87", + "content": "INITIAL DESIGN (Trace 13)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_88": { + "node_id": "node_88", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.67645043099105, + "fos_buckling": 0.996997498588773, + "fos_yielding": 12.480088253361052, + "deflection": 0.007462827750885376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_87", + "improvement_over_parent": null + }, + "node_89": { + "node_id": "node_89", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691677, + "deflection": 0.005954037788644468, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_88", + "improvement_over_parent": null + }, + "node_90": { + "node_id": "node_90", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_89", + "improvement_over_parent": null + }, + "node_91": { + "node_id": "node_91", + "content": "INITIAL DESIGN (Trace 14)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_92": { + "node_id": "node_92", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.67645043099105, + "fos_buckling": 0.9969974985887726, + "fos_yielding": 12.480088253361053, + "deflection": 0.0074628277508853764, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_91", + "improvement_over_parent": null + }, + "node_93": { + "node_id": "node_93", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691667, + "deflection": 0.005954037788644472, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_92", + "improvement_over_parent": null + }, + "node_94": { + "node_id": "node_94", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_93", + "improvement_over_parent": null + }, + "node_95": { + "node_id": "node_95", + "content": "INITIAL DESIGN (Trace 15)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 257.23 kg\n Factor of Safety: 0.42\n Max Deflection: 1.86e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.23383410114826, + "fos_buckling": 0.4153941947214808, + "fos_yielding": 4.686130693777797, + "deflection": 0.018591691995069676, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_96": { + "node_id": "node_96", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 311.49 kg\n Factor of Safety: 0.70\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 311.4894799883582, + "fos_buckling": 0.697487797465055, + "fos_yielding": 8.213348070955057, + "deflection": 0.011343669858045581, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006808)" + }, + "parent_node_id": "node_95", + "improvement_over_parent": null + }, + "node_97": { + "node_id": "node_97", + "content": "MODIFICATION: Increase 4 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 313.66 kg\n Factor of Safety: 0.70\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.6613662670402, + "fos_buckling": 0.697487797465055, + "fos_yielding": 8.213348070955057, + "deflection": 0.011343669858045581, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.560)" + }, + "parent_node_id": "node_96", + "improvement_over_parent": null + }, + "node_98": { + "node_id": "node_98", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 373.67 kg\n Factor of Safety: 0.81\n Max Deflection: 9.56e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.6734178753971, + "fos_buckling": 0.8103366530284996, + "fos_yielding": 9.74803657732568, + "deflection": 0.009557568519646155, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_97", + "improvement_over_parent": null + }, + "node_99": { + "node_id": "node_99", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 433.88 kg\n Factor of Safety: 0.92\n Max Deflection: 8.26e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 433.8828340773079, + "fos_buckling": 0.9170871964778714, + "fos_yielding": 11.276230587175936, + "deflection": 0.008262118626157177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.175)" + }, + "parent_node_id": "node_98", + "improvement_over_parent": null + }, + "node_100": { + "node_id": "node_100", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.83359659097806, + "fos_buckling": 0.9991507304534956, + "fos_yielding": 12.510234680398353, + "deflection": 0.00744701953217318, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_99", + "improvement_over_parent": null + }, + "node_101": { + "node_id": "node_101", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.97 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.9662494835986, + "fos_buckling": 1.5391357305412274, + "fos_yielding": 14.292671373685213, + "deflection": 0.005946367980908641, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_100", + "improvement_over_parent": null + }, + "node_102": { + "node_id": "node_102", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_101", + "improvement_over_parent": null + }, + "node_103": { + "node_id": "node_103", + "content": "INITIAL DESIGN (Trace 16)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 518.17 kg\n Factor of Safety: 1.08\n Max Deflection: 6.32e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.1651801892724, + "fos_buckling": 1.0756281363128426, + "fos_yielding": 13.586784236539634, + "deflection": 0.006317997885230942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_104": { + "node_id": "node_104", + "content": "MODIFICATION: Increase 2 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 526.95 kg\n Factor of Safety: 1.30\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.945796830082, + "fos_buckling": 1.3042394896717524, + "fos_yielding": 12.891868058569768, + "deflection": 0.006176279719036777, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.429)" + }, + "parent_node_id": "node_103", + "improvement_over_parent": null + }, + "node_105": { + "node_id": "node_105", + "content": "MODIFICATION: Increase 5 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.09 kg\n Factor of Safety: 1.28\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.0866240880431, + "fos_buckling": 1.278261617587185, + "fos_yielding": 15.121818430293352, + "deflection": 0.006117322395760066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.217)" + }, + "parent_node_id": "node_104", + "improvement_over_parent": null + }, + "node_106": { + "node_id": "node_106", + "content": "MODIFICATION: Increase 2 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.306740106764, + "fos_buckling": 1.5377425419643598, + "fos_yielding": 14.2762243344487, + "deflection": 0.005953713059071657, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.621)" + }, + "parent_node_id": "node_105", + "improvement_over_parent": null + }, + "node_107": { + "node_id": "node_107", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_106", + "improvement_over_parent": null + }, + "node_108": { + "node_id": "node_108", + "content": "INITIAL DESIGN (Trace 17)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 380.24 kg\n Factor of Safety: 1.10\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 380.23977233989933, + "fos_buckling": 1.1031074187126075, + "fos_yielding": 11.08603678382071, + "deflection": 0.008382419951887076, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_109": { + "node_id": "node_109", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 423.11 kg\n Factor of Safety: 1.21\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.10826463271354, + "fos_buckling": 1.2073589641530207, + "fos_yielding": 12.338987615055736, + "deflection": 0.007552749800708793, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.121)" + }, + "parent_node_id": "node_108", + "improvement_over_parent": null + }, + "node_110": { + "node_id": "node_110", + "content": "MODIFICATION: Increase 9 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 442.60 kg\n Factor of Safety: 1.30\n Max Deflection: 7.30e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.6025742134448, + "fos_buckling": 1.2965758853674036, + "fos_yielding": 11.536112513823097, + "deflection": 0.007302960741628029, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.645)" + }, + "parent_node_id": "node_109", + "improvement_over_parent": null + }, + "node_111": { + "node_id": "node_111", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 493.11 kg\n Factor of Safety: 1.42\n Max Deflection: 6.58e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 493.10600227908867, + "fos_buckling": 1.4169131765390381, + "fos_yielding": 12.86637497457368, + "deflection": 0.006575002673179446, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_110", + "improvement_over_parent": null + }, + "node_112": { + "node_id": "node_112", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.50 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4996368352415, + "fos_buckling": 1.5381887900829114, + "fos_yielding": 14.275904421347901, + "deflection": 0.005951699921006786, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.119)" + }, + "parent_node_id": "node_111", + "improvement_over_parent": null + }, + "node_113": { + "node_id": "node_113", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_112", + "improvement_over_parent": null + }, + "node_114": { + "node_id": "node_114", + "content": "INITIAL DESIGN (Trace 18)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 246.64 kg\n Factor of Safety: 0.25\n Max Deflection: 1.19e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 246.64031981285584, + "fos_buckling": 0.24671559016474073, + "fos_yielding": 3.1240997658102625, + "deflection": 118986113763049.89, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_115": { + "node_id": "node_115", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 281.57 kg\n Factor of Safety: 0.29\n Max Deflection: 5.06e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 281.5699286406007, + "fos_buckling": 0.2918036251366828, + "fos_yielding": 3.473798228865035, + "deflection": 50556582372306.27, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006207)" + }, + "parent_node_id": "node_114", + "improvement_over_parent": null + }, + "node_116": { + "node_id": "node_116", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 315.82 kg\n Factor of Safety: 0.08\n Max Deflection: 8.97e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.8236350302037, + "fos_buckling": 0.08056604325102658, + "fos_yielding": 0.8684495572162588, + "deflection": 89675184249847.83, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_115", + "improvement_over_parent": null + }, + "node_117": { + "node_id": "node_117", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 368.60 kg\n Factor of Safety: 0.43\n Max Deflection: 3.87e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.60034294722084, + "fos_buckling": 0.432775844916434, + "fos_yielding": 4.878488000941133, + "deflection": 0.03867442230329743, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007673)" + }, + "parent_node_id": "node_116", + "improvement_over_parent": null + }, + "node_118": { + "node_id": "node_118", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 447.85 kg\n Factor of Safety: 0.51\n Max Deflection: 3.19e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.8490471077097, + "fos_buckling": 0.5085001441762317, + "fos_yielding": 5.973119386196013, + "deflection": 0.03189147606081289, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_117", + "improvement_over_parent": null + }, + "node_119": { + "node_id": "node_119", + "content": "MODIFICATION: Increase 4 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0070)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 450.32 kg\n Factor of Safety: 0.51\n Max Deflection: 3.17e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.31602484691723, + "fos_buckling": 0.5085001441762316, + "fos_yielding": 5.973119386196013, + "deflection": 0.03168847524324715, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.290)" + }, + "parent_node_id": "node_118", + "improvement_over_parent": null + }, + "node_120": { + "node_id": "node_120", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0070)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.71 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.7112572802787, + "fos_buckling": 1.0109810569866082, + "fos_yielding": 12.654910825345464, + "deflection": 0.009050689217701616, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_119", + "improvement_over_parent": null + }, + "node_121": { + "node_id": "node_121", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0070)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.68 kg\n Factor of Safety: 1.44\n Max Deflection: 5.96e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.6807767898335, + "fos_buckling": 1.4381779659229463, + "fos_yielding": 14.300361759101543, + "deflection": 0.00596102684704932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_120", + "improvement_over_parent": null + }, + "node_122": { + "node_id": "node_122", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_121", + "improvement_over_parent": null + }, + "node_123": { + "node_id": "node_123", + "content": "INITIAL DESIGN (Trace 19)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 300.67 kg\n Factor of Safety: 0.86\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 300.6682379554586, + "fos_buckling": 0.8648786962676839, + "fos_yielding": 9.44599576534197, + "deflection": 0.010492335833491412, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_124": { + "node_id": "node_124", + "content": "MODIFICATION: Increase 2 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 308.34 kg\n Factor of Safety: 0.92\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 308.3355383622911, + "fos_buckling": 0.9157104475130879, + "fos_yielding": 9.059136534090136, + "deflection": 0.010299610285685136, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.393)" + }, + "parent_node_id": "node_123", + "improvement_over_parent": null + }, + "node_125": { + "node_id": "node_125", + "content": "MODIFICATION: Increase 9 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 321.86 kg\n Factor of Safety: 0.86\n Max Deflection: 1.00e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.8640218929404, + "fos_buckling": 0.861086535304762, + "fos_yielding": 8.535117654394444, + "deflection": 0.00999947638621887, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.582)" + }, + "parent_node_id": "node_124", + "improvement_over_parent": null + }, + "node_126": { + "node_id": "node_126", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 393.16 kg\n Factor of Safety: 1.03\n Max Deflection: 8.22e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 393.161476793275, + "fos_buckling": 1.0279997905734182, + "fos_yielding": 10.441106423249995, + "deflection": 0.008221744674462416, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_125", + "improvement_over_parent": null + }, + "node_127": { + "node_id": "node_127", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 445.39 kg\n Factor of Safety: 1.15\n Max Deflection: 7.28e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.3923695407626, + "fos_buckling": 1.1450787515055947, + "fos_yielding": 11.840846036560409, + "deflection": 0.007280597226097092, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_126", + "improvement_over_parent": null + }, + "node_128": { + "node_id": "node_128", + "content": "MODIFICATION: Increase 6 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 447.55 kg\n Factor of Safety: 1.31\n Max Deflection: 7.22e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.54528583925867, + "fos_buckling": 1.3086010281292464, + "fos_yielding": 11.665715973106495, + "deflection": 0.007224449650794523, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.403)" + }, + "parent_node_id": "node_127", + "improvement_over_parent": null + }, + "node_129": { + "node_id": "node_129", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1786921883568, + "fos_buckling": 1.537484413502806, + "fos_yielding": 14.266863404134936, + "deflection": 0.0059550704252384805, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_128", + "improvement_over_parent": null + }, + "node_130": { + "node_id": "node_130", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_129", + "improvement_over_parent": null + }, + "node_131": { + "node_id": "node_131", + "content": "INITIAL DESIGN (Trace 20)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 206.30 kg\n Factor of Safety: 0.14\n Max Deflection: 5.69e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 206.29634114684174, + "fos_buckling": 0.13860501138246276, + "fos_yielding": 1.4853122100488885, + "deflection": 56893171317103.03, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_132": { + "node_id": "node_132", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 239.03 kg\n Factor of Safety: 0.93\n Max Deflection: 2.18e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 239.0334445307499, + "fos_buckling": 0.9301281603395432, + "fos_yielding": 13.89519291546014, + "deflection": 21765985775086.555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_131", + "improvement_over_parent": null + }, + "node_133": { + "node_id": "node_133", + "content": "MODIFICATION: Increase 3 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 252.20 kg\n Factor of Safety: 0.89\n Max Deflection: 1.69e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 252.19565470336926, + "fos_buckling": 0.8874195559234828, + "fos_yielding": 7.235785907429725, + "deflection": 16928502571236.197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.567)" + }, + "parent_node_id": "node_132", + "improvement_over_parent": null + }, + "node_134": { + "node_id": "node_134", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 315.59 kg\n Factor of Safety: 1.71\n Max Deflection: 1.39e+13 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 315.59026681818324, + "fos_buckling": 1.7127280544546526, + "fos_yielding": 19.986543130730592, + "deflection": 13866939274396.225, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_133", + "improvement_over_parent": null + }, + "node_135": { + "node_id": "node_135", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.99 kg\n Factor of Safety: 0.86\n Max Deflection: 1.41e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.9854992515447, + "fos_buckling": 0.8604707519965751, + "fos_yielding": 7.235785907429725, + "deflection": 14079897288787.223, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_134", + "improvement_over_parent": null + }, + "node_136": { + "node_id": "node_136", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.12 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.11815214416526, + "fos_buckling": 0.5934008260943117, + "fos_yielding": 7.080399722019554, + "deflection": 0.011025660551960598, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_135", + "improvement_over_parent": null + }, + "node_137": { + "node_id": "node_137", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5133845775267, + "fos_buckling": 1.5376902628203382, + "fos_yielding": 14.277504128777856, + "deflection": 0.005951606268528887, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_136", + "improvement_over_parent": null + }, + "node_138": { + "node_id": "node_138", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_137", + "improvement_over_parent": null + }, + "node_139": { + "node_id": "node_139", + "content": "INITIAL DESIGN (Trace 21)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 279.59 kg\n Factor of Safety: 0.39\n Max Deflection: 1.81e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.5930181688272, + "fos_buckling": 0.3882274914218723, + "fos_yielding": 4.3485275542295625, + "deflection": 0.018060838771831234, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_140": { + "node_id": "node_140", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 361.51 kg\n Factor of Safety: 0.48\n Max Deflection: 1.40e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.50606981391655, + "fos_buckling": 0.4845190106289581, + "fos_yielding": 5.57888913746719, + "deflection": 0.014037721842831767, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_139", + "improvement_over_parent": null + }, + "node_141": { + "node_id": "node_141", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.62 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.6166714196786, + "fos_buckling": 0.5927875552456229, + "fos_yielding": 7.07151792782714, + "deflection": 0.011036408861232597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.307)" + }, + "parent_node_id": "node_140", + "improvement_over_parent": null + }, + "node_142": { + "node_id": "node_142", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.01 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.01190385304, + "fos_buckling": 1.5370177369877354, + "fos_yielding": 14.263068585709165, + "deflection": 0.005956777911366842, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_141", + "improvement_over_parent": null + }, + "node_143": { + "node_id": "node_143", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_142", + "improvement_over_parent": null + }, + "node_144": { + "node_id": "node_144", + "content": "INITIAL DESIGN (Trace 22)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 435.41 kg\n Factor of Safety: 0.59\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.41206630526233, + "fos_buckling": 0.594262378668472, + "fos_yielding": 5.003390426158691, + "deflection": 0.011750160849923048, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_145": { + "node_id": "node_145", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 518.81 kg\n Factor of Safety: 1.20\n Max Deflection: 6.44e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.8072987386238, + "fos_buckling": 1.2048349689934408, + "fos_yielding": 9.501666630669519, + "deflection": 0.006435510740205621, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_144", + "improvement_over_parent": null + }, + "node_146": { + "node_id": "node_146", + "content": "MODIFICATION: Increase 2 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.02 kg\n Factor of Safety: 1.17\n Max Deflection: 6.36e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.0230609978939, + "fos_buckling": 1.1735595723054002, + "fos_yielding": 9.255020076809972, + "deflection": 0.0063638325514380365, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.300)" + }, + "parent_node_id": "node_145", + "improvement_over_parent": null + }, + "node_147": { + "node_id": "node_147", + "content": "MODIFICATION: Increase 5 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 530.79 kg\n Factor of Safety: 1.35\n Max Deflection: 6.27e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.78692572006, + "fos_buckling": 1.3525563762031267, + "fos_yielding": 10.917787683962036, + "deflection": 0.0062695681588824555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.230)" + }, + "parent_node_id": "node_146", + "improvement_over_parent": null + }, + "node_148": { + "node_id": "node_148", + "content": "MODIFICATION: Increase 1 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.25 kg\n Factor of Safety: 1.41\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.2499656800402, + "fos_buckling": 1.4054412621232184, + "fos_yielding": 11.344672630367702, + "deflection": 0.006053919608631883, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.277)" + }, + "parent_node_id": "node_147", + "improvement_over_parent": null + }, + "node_149": { + "node_id": "node_149", + "content": "MODIFICATION: Increase 5 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2489918865858, + "fos_buckling": 1.537714754677799, + "fos_yielding": 14.27389999619417, + "deflection": 0.005954352748399665, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.330)" + }, + "parent_node_id": "node_148", + "improvement_over_parent": null + }, + "node_150": { + "node_id": "node_150", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_149", + "improvement_over_parent": null + }, + "node_151": { + "node_id": "node_151", + "content": "INITIAL DESIGN (Trace 23)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 374.99 kg\n Factor of Safety: 0.60\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.99435705023234, + "fos_buckling": 0.5963600990299583, + "fos_yielding": 7.114208750244101, + "deflection": 0.013171437293408212, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_152": { + "node_id": "node_152", + "content": "MODIFICATION: Increase 0 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 394.99 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.9878728733154, + "fos_buckling": 0.5956048772605341, + "fos_yielding": 7.105335843643225, + "deflection": 0.012194256515591525, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.524)" + }, + "parent_node_id": "node_151", + "improvement_over_parent": null + }, + "node_153": { + "node_id": "node_153", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n\nPerformance:\n Mass: 424.69 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.68618179619614, + "fos_buckling": 0.5944865973074206, + "fos_yielding": 7.092196833869838, + "deflection": 0.011148629625493204, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005225)" + }, + "parent_node_id": "node_152", + "improvement_over_parent": null + }, + "node_154": { + "node_id": "node_154", + "content": "MODIFICATION: Increase 2 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0144)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n\nPerformance:\n Mass: 451.40 kg\n Factor of Safety: 0.62\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.3990075881137, + "fos_buckling": 0.623721305496324, + "fos_yielding": 7.0569835525134055, + "deflection": 0.010197912593703257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.661)" + }, + "parent_node_id": "node_153", + "improvement_over_parent": null + }, + "node_155": { + "node_id": "node_155", + "content": "MODIFICATION: Increase 1 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0144)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n\nPerformance:\n Mass: 471.68 kg\n Factor of Safety: 0.62\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.6757180421969, + "fos_buckling": 0.6229387278093738, + "fos_yielding": 7.048129216744039, + "deflection": 0.010208584032769445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.534)" + }, + "parent_node_id": "node_154", + "improvement_over_parent": null + }, + "node_156": { + "node_id": "node_156", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0144)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 555.07 kg\n Factor of Safety: 1.27\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 555.0709504755583, + "fos_buckling": 1.265136750564848, + "fos_yielding": 14.478782264414901, + "deflection": 0.006004401581548248, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_155", + "improvement_over_parent": null + }, + "node_157": { + "node_id": "node_157", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_156", + "improvement_over_parent": null + }, + "node_158": { + "node_id": "node_158", + "content": "INITIAL DESIGN (Trace 24)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0036)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 282.11 kg\n Factor of Safety: 0.84\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.1094421332106, + "fos_buckling": 0.8429818117857589, + "fos_yielding": 7.496210656864455, + "deflection": 0.011512386352617612, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_159": { + "node_id": "node_159", + "content": "MODIFICATION: Increase 2 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0036)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 287.32 kg\n Factor of Safety: 0.95\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.3169644621053, + "fos_buckling": 0.9470910342622224, + "fos_yielding": 7.686247013934282, + "deflection": 0.011365929643422703, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.253)" + }, + "parent_node_id": "node_158", + "improvement_over_parent": null + }, + "node_160": { + "node_id": "node_160", + "content": "MODIFICATION: Increase 8 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0036)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 296.41 kg\n Factor of Safety: 0.91\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.41049541688216, + "fos_buckling": 0.9067282993522936, + "fos_yielding": 7.49173224852813, + "deflection": 0.01108651596839603, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.353)" + }, + "parent_node_id": "node_159", + "improvement_over_parent": null + }, + "node_161": { + "node_id": "node_161", + "content": "MODIFICATION: Increase 0 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 307.58 kg\n Factor of Safety: 0.95\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 307.58290343980167, + "fos_buckling": 0.9476154946395028, + "fos_yielding": 7.993714067717464, + "deflection": 0.010423052978811288, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.495)" + }, + "parent_node_id": "node_160", + "improvement_over_parent": null + }, + "node_162": { + "node_id": "node_162", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 376.80 kg\n Factor of Safety: 1.13\n Max Deflection: 8.54e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.79946494706525, + "fos_buckling": 1.1315025934633904, + "fos_yielding": 9.807078872542604, + "deflection": 0.00854425779489705, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_161", + "improvement_over_parent": null + }, + "node_163": { + "node_id": "node_163", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 440.24 kg\n Factor of Safety: 1.29\n Max Deflection: 7.34e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.23979359500834, + "fos_buckling": 1.2908226218777732, + "fos_yielding": 11.473841338709908, + "deflection": 0.007341141131615498, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.181)" + }, + "parent_node_id": "node_162", + "improvement_over_parent": null + }, + "node_164": { + "node_id": "node_164", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.10 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0982390086505, + "fos_buckling": 1.5373128362653372, + "fos_yielding": 14.265166880147142, + "deflection": 0.005955957540651425, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_163", + "improvement_over_parent": null + }, + "node_165": { + "node_id": "node_165", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_164", + "improvement_over_parent": null + }, + "node_166": { + "node_id": "node_166", + "content": "INITIAL DESIGN (Trace 25)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 241.49 kg\n Factor of Safety: 0.11\n Max Deflection: 9.27e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 241.49207016380217, + "fos_buckling": 0.11347711829836482, + "fos_yielding": 0.9044732384287154, + "deflection": 92706609517675.1, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_167": { + "node_id": "node_167", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 289.68 kg\n Factor of Safety: 0.44\n Max Deflection: 2.39e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 289.67578732449766, + "fos_buckling": 0.44314472865573784, + "fos_yielding": 3.6178929537148625, + "deflection": 23928751940056.703, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_166", + "improvement_over_parent": null + }, + "node_168": { + "node_id": "node_168", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 347.22 kg\n Factor of Safety: 1.21\n Max Deflection: 1.97e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.21755122738045, + "fos_buckling": 1.208463438803968, + "fos_yielding": 3.6178929537148616, + "deflection": 19728760277276.17, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.218)" + }, + "parent_node_id": "node_167", + "improvement_over_parent": null + }, + "node_169": { + "node_id": "node_169", + "content": "MODIFICATION: Increase 5 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 348.29 kg\n Factor of Safety: 1.21\n Max Deflection: 1.97e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.2923219308394, + "fos_buckling": 1.208463438803968, + "fos_yielding": 3.6178929537148616, + "deflection": 19728760277276.17, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.200)" + }, + "parent_node_id": "node_168", + "improvement_over_parent": null + }, + "node_170": { + "node_id": "node_170", + "content": "MODIFICATION: Increase 5 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 351.13 kg\n Factor of Safety: 1.21\n Max Deflection: 1.97e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.1281599766007, + "fos_buckling": 1.208463438803968, + "fos_yielding": 3.6178929537148616, + "deflection": 19728760277276.17, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.458)" + }, + "parent_node_id": "node_169", + "improvement_over_parent": null + }, + "node_171": { + "node_id": "node_171", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.73 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.7309244371037, + "fos_buckling": 0.5954976971551826, + "fos_yielding": 7.103523113834299, + "deflection": 0.012199564959577419, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_170", + "improvement_over_parent": null + }, + "node_172": { + "node_id": "node_172", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.86 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8635773297243, + "fos_buckling": 0.5930890531236822, + "fos_yielding": 7.075224326197408, + "deflection": 0.011030446744865358, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_171", + "improvement_over_parent": null + }, + "node_173": { + "node_id": "node_173", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2588097630858, + "fos_buckling": 1.5375985194778794, + "fos_yielding": 14.27010565492434, + "deflection": 0.0059542932990607825, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_172", + "improvement_over_parent": null + }, + "node_174": { + "node_id": "node_174", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_173", + "improvement_over_parent": null + }, + "node_175": { + "node_id": "node_175", + "content": "INITIAL DESIGN (Trace 26)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 351.02 kg\n Factor of Safety: 0.45\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.0172177487458, + "fos_buckling": 0.4467792430868987, + "fos_yielding": 4.76805046190007, + "deflection": 0.015136837812994549, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_176": { + "node_id": "node_176", + "content": "MODIFICATION: Increase 7 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 359.66 kg\n Factor of Safety: 0.45\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.66098023695633, + "fos_buckling": 0.44605251389679107, + "fos_yielding": 4.760294771580556, + "deflection": 0.014280410085555348, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.224)" + }, + "parent_node_id": "node_175", + "improvement_over_parent": null + }, + "node_177": { + "node_id": "node_177", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 461.59 kg\n Factor of Safety: 0.55\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.58855534179804, + "fos_buckling": 0.5503878145238194, + "fos_yielding": 6.071813990605566, + "deflection": 0.01119271882436219, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.311)" + }, + "parent_node_id": "node_176", + "improvement_over_parent": null + }, + "node_178": { + "node_id": "node_178", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.98 kg\n Factor of Safety: 1.53\n Max Deflection: 5.97e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.9837877751595, + "fos_buckling": 1.5263779086400326, + "fos_yielding": 14.367003786378143, + "deflection": 0.005974394058694307, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_177", + "improvement_over_parent": null + }, + "node_179": { + "node_id": "node_179", + "content": "MODIFICATION: Increase 4 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.35 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3538625898992, + "fos_buckling": 1.5378008727939994, + "fos_yielding": 14.26991567202231, + "deflection": 0.0059534204092116984, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.182)" + }, + "parent_node_id": "node_178", + "improvement_over_parent": null + }, + "node_180": { + "node_id": "node_180", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_179", + "improvement_over_parent": null + }, + "node_181": { + "node_id": "node_181", + "content": "INITIAL DESIGN (Trace 27)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 421.43 kg\n Factor of Safety: 0.87\n Max Deflection: 9.64e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.42839899236697, + "fos_buckling": 0.8682545129905808, + "fos_yielding": 11.204541155443598, + "deflection": 0.009640440138719541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_182": { + "node_id": "node_182", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 485.56 kg\n Factor of Safety: 0.86\n Max Deflection: 7.92e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.5610518849876, + "fos_buckling": 0.8647476513913135, + "fos_yielding": 11.159286250887911, + "deflection": 0.007923480893606564, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_181", + "improvement_over_parent": null + }, + "node_183": { + "node_id": "node_183", + "content": "MODIFICATION: Increase 6 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6790437629935, + "fos_buckling": 0.9970227476372535, + "fos_yielding": 12.480086216743409, + "deflection": 0.007462759069742238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.205)" + }, + "parent_node_id": "node_182", + "improvement_over_parent": null + }, + "node_184": { + "node_id": "node_184", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2818082234965, + "fos_buckling": 1.5376965559861022, + "fos_yielding": 14.26994362627407, + "deflection": 0.005954006093740721, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_183", + "improvement_over_parent": null + }, + "node_185": { + "node_id": "node_185", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_184", + "improvement_over_parent": null + }, + "node_186": { + "node_id": "node_186", + "content": "INITIAL DESIGN (Trace 28)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_187": { + "node_id": "node_187", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 372.63 kg\n Factor of Safety: 0.81\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.6328729220651, + "fos_buckling": 0.8099252151317027, + "fos_yielding": 6.979056671483571, + "deflection": 0.010620703740303224, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007189)" + }, + "parent_node_id": "node_186", + "improvement_over_parent": null + }, + "node_188": { + "node_id": "node_188", + "content": "MODIFICATION: Increase 1 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 386.26 kg\n Factor of Safety: 0.81\n Max Deflection: 9.57e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.2604145733192, + "fos_buckling": 0.8092257916755455, + "fos_yielding": 9.74058489044627, + "deflection": 0.009567502497973206, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.425)" + }, + "parent_node_id": "node_187", + "improvement_over_parent": null + }, + "node_189": { + "node_id": "node_189", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 423.13 kg\n Factor of Safety: 1.25\n Max Deflection: 7.63e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.1271078745368, + "fos_buckling": 1.2484692923482867, + "fos_yielding": 11.024025981342179, + "deflection": 0.0076299534937115015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006576)" + }, + "parent_node_id": "node_188", + "improvement_over_parent": null + }, + "node_190": { + "node_id": "node_190", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.10 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1024701616133, + "fos_buckling": 1.537040353905007, + "fos_yielding": 14.265596274485729, + "deflection": 0.005955768559447529, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_189", + "improvement_over_parent": null + }, + "node_191": { + "node_id": "node_191", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_190", + "improvement_over_parent": null + }, + "node_192": { + "node_id": "node_192", + "content": "INITIAL DESIGN (Trace 29)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 413.66 kg\n Factor of Safety: 0.79\n Max Deflection: 9.43e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.6639383106901, + "fos_buckling": 0.793459373513081, + "fos_yielding": 9.686144040319531, + "deflection": 0.009429041524319627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_193": { + "node_id": "node_193", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 457.69 kg\n Factor of Safety: 0.86\n Max Deflection: 8.54e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.6879972307565, + "fos_buckling": 0.8639846824184765, + "fos_yielding": 10.69614111272087, + "deflection": 0.008540149129282242, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_192", + "improvement_over_parent": null + }, + "node_194": { + "node_id": "node_194", + "content": "MODIFICATION: Increase 9 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 471.02 kg\n Factor of Safety: 1.00\n Max Deflection: 8.07e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.02096569381047, + "fos_buckling": 0.9987383734852102, + "fos_yielding": 10.687151431637421, + "deflection": 0.008071750486617187, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.209)" + }, + "parent_node_id": "node_193", + "improvement_over_parent": null + }, + "node_195": { + "node_id": "node_195", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 480.07 kg\n Factor of Safety: 1.00\n Max Deflection: 7.72e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.07399459576766, + "fos_buckling": 0.9981687496085386, + "fos_yielding": 12.508893026046131, + "deflection": 0.007719527105214183, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.188)" + }, + "parent_node_id": "node_194", + "improvement_over_parent": null + }, + "node_196": { + "node_id": "node_196", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 527.68 kg\n Factor of Safety: 1.32\n Max Deflection: 6.23e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 527.6767590562706, + "fos_buckling": 1.3152394863199675, + "fos_yielding": 13.604521213186707, + "deflection": 0.006232793785097576, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_195", + "improvement_over_parent": null + }, + "node_197": { + "node_id": "node_197", + "content": "MODIFICATION: Increase 7 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0125)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.69 kg\n Factor of Safety: 1.36\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.6880178048514, + "fos_buckling": 1.364419105897491, + "fos_yielding": 13.230054517355935, + "deflection": 0.006124607704857538, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.319)" + }, + "parent_node_id": "node_196", + "improvement_over_parent": null + }, + "node_198": { + "node_id": "node_198", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_197", + "improvement_over_parent": null + }, + "node_199": { + "node_id": "node_199", + "content": "INITIAL DESIGN (Trace 30)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_200": { + "node_id": "node_200", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 390.83 kg\n Factor of Safety: 0.92\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.83213839856586, + "fos_buckling": 0.9191727621510841, + "fos_yielding": 11.300906399436464, + "deflection": 0.010178360212355778, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008448)" + }, + "parent_node_id": "node_199", + "improvement_over_parent": null + }, + "node_201": { + "node_id": "node_201", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 434.23 kg\n Factor of Safety: 1.00\n Max Deflection: 9.19e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.2251307650781, + "fos_buckling": 1.000453667629164, + "fos_yielding": 12.521690897867103, + "deflection": 0.009189646790538238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.122)" + }, + "parent_node_id": "node_200", + "improvement_over_parent": null + }, + "node_202": { + "node_id": "node_202", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 481.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.8278952255811, + "fos_buckling": 0.9974536519908396, + "fos_yielding": 12.484142663773577, + "deflection": 0.00746231123402385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_201", + "improvement_over_parent": null + }, + "node_203": { + "node_id": "node_203", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.96 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9605481182017, + "fos_buckling": 1.5369425618058712, + "fos_yielding": 14.256748797466397, + "deflection": 0.005957751913975961, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_202", + "improvement_over_parent": null + }, + "node_204": { + "node_id": "node_204", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_203", + "improvement_over_parent": null + }, + "node_205": { + "node_id": "node_205", + "content": "INITIAL DESIGN (Trace 31)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 295.94 kg\n Factor of Safety: 0.64\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.9431936734703, + "fos_buckling": 0.6431516040667508, + "fos_yielding": 7.500863763709267, + "deflection": 0.012419130057402005, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_206": { + "node_id": "node_206", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 383.31 kg\n Factor of Safety: 0.80\n Max Deflection: 9.64e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.3104590763928, + "fos_buckling": 0.8040800100793032, + "fos_yielding": 9.662124337317152, + "deflection": 0.009640387899856358, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.316)" + }, + "parent_node_id": "node_205", + "improvement_over_parent": null + }, + "node_207": { + "node_id": "node_207", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 437.44 kg\n Factor of Safety: 0.90\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.4381917118923, + "fos_buckling": 0.8973439535931836, + "fos_yielding": 10.989300782449915, + "deflection": 0.00847569614410916, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.153)" + }, + "parent_node_id": "node_206", + "improvement_over_parent": null + }, + "node_208": { + "node_id": "node_208", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 479.18 kg\n Factor of Safety: 1.38\n Max Deflection: 6.76e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.18411293018903, + "fos_buckling": 1.3842775526575823, + "fos_yielding": 12.499800276499325, + "deflection": 0.006760322381231008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007519)" + }, + "parent_node_id": "node_207", + "improvement_over_parent": null + }, + "node_209": { + "node_id": "node_209", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.78 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7796396537194, + "fos_buckling": 1.5387956654944162, + "fos_yielding": 14.283776168923648, + "deflection": 0.005948724849002033, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.155)" + }, + "parent_node_id": "node_208", + "improvement_over_parent": null + }, + "node_210": { + "node_id": "node_210", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_209", + "improvement_over_parent": null + }, + "node_211": { + "node_id": "node_211", + "content": "INITIAL DESIGN (Trace 32)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 287.80 kg\n Factor of Safety: 0.52\n Max Deflection: 1.46e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.79898540994776, + "fos_buckling": 0.5179413785119228, + "fos_yielding": 6.2715018572166565, + "deflection": 0.014622435811466888, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_212": { + "node_id": "node_212", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 317.96 kg\n Factor of Safety: 0.57\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.9577268754578, + "fos_buckling": 0.5676584649373467, + "fos_yielding": 6.930685222906005, + "deflection": 0.013256450286971519, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_211", + "improvement_over_parent": null + }, + "node_213": { + "node_id": "node_213", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 406.74 kg\n Factor of Safety: 0.71\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.73581592113715, + "fos_buckling": 0.7090417068026328, + "fos_yielding": 8.87642881584977, + "deflection": 0.010410359155413886, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_212", + "improvement_over_parent": null + }, + "node_214": { + "node_id": "node_214", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 470.87 kg\n Factor of Safety: 0.71\n Max Deflection: 8.70e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.8684688137578, + "fos_buckling": 0.7061752500975454, + "fos_yielding": 8.840543904352588, + "deflection": 0.008697917749773134, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_213", + "improvement_over_parent": null + }, + "node_215": { + "node_id": "node_215", + "content": "MODIFICATION: Increase 9 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0147)]\n\nPerformance:\n Mass: 501.07 kg\n Factor of Safety: 0.70\n Max Deflection: 8.56e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 501.0673456916937, + "fos_buckling": 0.7048334997130199, + "fos_yielding": 8.823746652988367, + "deflection": 0.008555299454140592, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.548)" + }, + "parent_node_id": "node_214", + "improvement_over_parent": null + }, + "node_216": { + "node_id": "node_216", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0147)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 548.67 kg\n Factor of Safety: 1.19\n Max Deflection: 6.29e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 548.6701101521967, + "fos_buckling": 1.1949495152887402, + "fos_yielding": 12.693810450803744, + "deflection": 0.006290794645658499, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_215", + "improvement_over_parent": null + }, + "node_217": { + "node_id": "node_217", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_216", + "improvement_over_parent": null + }, + "node_218": { + "node_id": "node_218", + "content": "INITIAL DESIGN (Trace 33)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 397.44 kg\n Factor of Safety: 0.55\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.435318859481, + "fos_buckling": 0.5494301829029378, + "fos_yielding": 6.456029325867345, + "deflection": 0.012415120544982177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_219": { + "node_id": "node_219", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 473.12 kg\n Factor of Safety: 1.24\n Max Deflection: 6.84e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.12113886171255, + "fos_buckling": 1.2440811001737322, + "fos_yielding": 12.938176669673918, + "deflection": 0.006840211433472718, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009728)" + }, + "parent_node_id": "node_218", + "improvement_over_parent": null + }, + "node_220": { + "node_id": "node_220", + "content": "MODIFICATION: Increase 10 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0115)]\n\nPerformance:\n Mass: 485.85 kg\n Factor of Safety: 1.25\n Max Deflection: 6.67e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.84611491940655, + "fos_buckling": 1.2451289049839585, + "fos_yielding": 13.291192776738617, + "deflection": 0.006674665799409522, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.186)" + }, + "parent_node_id": "node_219", + "improvement_over_parent": null + }, + "node_221": { + "node_id": "node_221", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0128)]\n\nPerformance:\n Mass: 535.39 kg\n Factor of Safety: 1.35\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.3922478076017, + "fos_buckling": 1.3509661660357104, + "fos_yielding": 14.656677938878435, + "deflection": 0.006074331333680646, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_220", + "improvement_over_parent": null + }, + "node_222": { + "node_id": "node_222", + "content": "MODIFICATION: Increase 9 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0116)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0128)]\n\nPerformance:\n Mass: 552.73 kg\n Factor of Safety: 1.55\n Max Deflection: 5.83e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 552.7312605351099, + "fos_buckling": 1.5475994475295987, + "fos_yielding": 15.266779733634499, + "deflection": 0.005830190965556119, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.269)" + }, + "parent_node_id": "node_221", + "improvement_over_parent": null + }, + "node_223": { + "node_id": "node_223", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_222", + "improvement_over_parent": null + }, + "node_224": { + "node_id": "node_224", + "content": "INITIAL DESIGN (Trace 34)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 466.35 kg\n Factor of Safety: 1.00\n Max Deflection: 8.20e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.35201002919234, + "fos_buckling": 0.9990295896456451, + "fos_yielding": 11.323776996384684, + "deflection": 0.0082013467595567, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_225": { + "node_id": "node_225", + "content": "MODIFICATION: Increase 1 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 476.48 kg\n Factor of Safety: 1.00\n Max Deflection: 7.87e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.477885048924, + "fos_buckling": 0.9983921313269197, + "fos_yielding": 12.497545809350648, + "deflection": 0.007870276624469374, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.362)" + }, + "parent_node_id": "node_224", + "improvement_over_parent": null + }, + "node_226": { + "node_id": "node_226", + "content": "MODIFICATION: Increase 1 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.67 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6674828224103, + "fos_buckling": 0.9969980611952847, + "fos_yielding": 12.480095295885148, + "deflection": 0.007462957189793562, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.613)" + }, + "parent_node_id": "node_225", + "improvement_over_parent": null + }, + "node_227": { + "node_id": "node_227", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2702472829133, + "fos_buckling": 1.5377080077155745, + "fos_yielding": 14.269460543292555, + "deflection": 0.005954170823354808, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_226", + "improvement_over_parent": null + }, + "node_228": { + "node_id": "node_228", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_227", + "improvement_over_parent": null + }, + "node_229": { + "node_id": "node_229", + "content": "INITIAL DESIGN (Trace 35)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_230": { + "node_id": "node_230", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 422.60 kg\n Factor of Safety: 0.90\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.6017664687199, + "fos_buckling": 0.8975902163382213, + "fos_yielding": 10.990983208671777, + "deflection": 0.008476609196039623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007514)" + }, + "parent_node_id": "node_229", + "improvement_over_parent": null + }, + "node_231": { + "node_id": "node_231", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.22 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.22087116914145, + "fos_buckling": 0.998164614351115, + "fos_yielding": 12.495065811952959, + "deflection": 0.0074560889754046195, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.155)" + }, + "parent_node_id": "node_230", + "improvement_over_parent": null + }, + "node_232": { + "node_id": "node_232", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.35 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3535240617621, + "fos_buckling": 1.5378512471318198, + "fos_yielding": 14.27265971556246, + "deflection": 0.0059531900442816085, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_231", + "improvement_over_parent": null + }, + "node_233": { + "node_id": "node_233", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_232", + "improvement_over_parent": null + }, + "node_234": { + "node_id": "node_234", + "content": "INITIAL DESIGN (Trace 36)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 323.10 kg\n Factor of Safety: 0.77\n Max Deflection: 9.99e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 323.09525791577266, + "fos_buckling": 0.7651106527052959, + "fos_yielding": 7.774264617791123, + "deflection": 0.009988063113468577, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_235": { + "node_id": "node_235", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 364.24 kg\n Factor of Safety: 0.85\n Max Deflection: 8.88e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.24087321894785, + "fos_buckling": 0.8528471836407066, + "fos_yielding": 8.734096734771233, + "deflection": 0.008881975848188842, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_234", + "improvement_over_parent": null + }, + "node_236": { + "node_id": "node_236", + "content": "MODIFICATION: Increase 4 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 366.68 kg\n Factor of Safety: 1.11\n Max Deflection: 8.77e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.6757561894438, + "fos_buckling": 1.10524883712315, + "fos_yielding": 9.541281385394047, + "deflection": 0.008774729356275712, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.639)" + }, + "parent_node_id": "node_235", + "improvement_over_parent": null + }, + "node_237": { + "node_id": "node_237", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 477.79 kg\n Factor of Safety: 1.38\n Max Deflection: 6.78e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.79023534663474, + "fos_buckling": 1.3809924480275084, + "fos_yielding": 12.462231852177096, + "deflection": 0.006779507306216789, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_236", + "improvement_over_parent": null + }, + "node_238": { + "node_id": "node_238", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.07 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0700699321561, + "fos_buckling": 1.5372298595199467, + "fos_yielding": 14.264074196134075, + "deflection": 0.005956228662539734, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.157)" + }, + "parent_node_id": "node_237", + "improvement_over_parent": null + }, + "node_239": { + "node_id": "node_239", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_238", + "improvement_over_parent": null + }, + "node_240": { + "node_id": "node_240", + "content": "INITIAL DESIGN (Trace 37)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 429.48 kg\n Factor of Safety: 1.00\n Max Deflection: 8.02e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.4790107890827, + "fos_buckling": 1.001153914638839, + "fos_yielding": 12.532116908594315, + "deflection": 0.008015237523008553, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_241": { + "node_id": "node_241", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 493.61 kg\n Factor of Safety: 1.21\n Max Deflection: 6.57e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 493.61166368170325, + "fos_buckling": 1.211813344237246, + "fos_yielding": 13.424451040715498, + "deflection": 0.006567889803148265, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_240", + "improvement_over_parent": null + }, + "node_242": { + "node_id": "node_242", + "content": "MODIFICATION: Increase 6 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 496.83 kg\n Factor of Safety: 1.21\n Max Deflection: 6.51e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 496.829853048196, + "fos_buckling": 1.2105772881875105, + "fos_yielding": 14.793957801873134, + "deflection": 0.006505727612592491, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.550)" + }, + "parent_node_id": "node_241", + "improvement_over_parent": null + }, + "node_243": { + "node_id": "node_243", + "content": "MODIFICATION: Increase 7 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 514.73 kg\n Factor of Safety: 1.42\n Max Deflection: 6.19e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 514.7253829667768, + "fos_buckling": 1.4159164477383002, + "fos_yielding": 15.479964590421805, + "deflection": 0.0061890494945984155, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.300)" + }, + "parent_node_id": "node_242", + "improvement_over_parent": null + }, + "node_244": { + "node_id": "node_244", + "content": "MODIFICATION: Increase 2 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 528.64 kg\n Factor of Safety: 1.47\n Max Deflection: 6.09e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.6366654208305, + "fos_buckling": 1.4658852621041967, + "fos_yielding": 14.912347416816958, + "deflection": 0.006088178508640407, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.453)" + }, + "parent_node_id": "node_243", + "improvement_over_parent": null + }, + "node_245": { + "node_id": "node_245", + "content": "MODIFICATION: Increase 8 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.19 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.192620007849, + "fos_buckling": 1.5372563685901963, + "fos_yielding": 14.271122788245261, + "deflection": 0.005954722538937503, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.414)" + }, + "parent_node_id": "node_244", + "improvement_over_parent": null + }, + "node_246": { + "node_id": "node_246", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_245", + "improvement_over_parent": null + }, + "node_247": { + "node_id": "node_247", + "content": "INITIAL DESIGN (Trace 38)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 394.73 kg\n Factor of Safety: 0.75\n Max Deflection: 3.55e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.7276048017011, + "fos_buckling": 0.7483100609430884, + "fos_yielding": 9.418078990754061, + "deflection": 3554593809282.6997, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_248": { + "node_id": "node_248", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 442.33 kg\n Factor of Safety: 0.76\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.33036926220404, + "fos_buckling": 0.7551062404807724, + "fos_yielding": 9.503614331065519, + "deflection": 0.010087177405350232, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_247", + "improvement_over_parent": null + }, + "node_249": { + "node_id": "node_249", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 506.46 kg\n Factor of Safety: 0.78\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 506.46302215482467, + "fos_buckling": 0.7808806087885508, + "fos_yielding": 9.828005314601832, + "deflection": 0.010052463261857119, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_248", + "improvement_over_parent": null + }, + "node_250": { + "node_id": "node_250", + "content": "MODIFICATION: Increase 6 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0140)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 532.84 kg\n Factor of Safety: 0.78\n Max Deflection: 1.00e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.84168234732, + "fos_buckling": 0.7828477139173965, + "fos_yielding": 9.852762901668397, + "deflection": 0.010049907756670935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.475)" + }, + "parent_node_id": "node_249", + "improvement_over_parent": null + }, + "node_251": { + "node_id": "node_251", + "content": "MODIFICATION: Increase 5 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0140)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.35 kg\n Factor of Safety: 0.90\n Max Deflection: 9.47e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.354297545402, + "fos_buckling": 0.9008611313295066, + "fos_yielding": 11.636644283646744, + "deflection": 0.009474539879814621, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.232)" + }, + "parent_node_id": "node_250", + "improvement_over_parent": null + }, + "node_252": { + "node_id": "node_252", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0140)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 558.32 kg\n Factor of Safety: 1.45\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 558.3238170549569, + "fos_buckling": 1.4479274984682602, + "fos_yielding": 13.436729873728673, + "deflection": 0.006020698915801445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_251", + "improvement_over_parent": null + }, + "node_253": { + "node_id": "node_253", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_252", + "improvement_over_parent": null + }, + "node_254": { + "node_id": "node_254", + "content": "INITIAL DESIGN (Trace 39)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 275.53 kg\n Factor of Safety: 0.44\n Max Deflection: 1.94e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 275.53343477537857, + "fos_buckling": 0.44152524678278043, + "fos_yielding": 5.025124633439234, + "deflection": 0.019354119275238543, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_255": { + "node_id": "node_255", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 333.72 kg\n Factor of Safety: 0.74\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.71611585003467, + "fos_buckling": 0.7411815260187313, + "fos_yielding": 8.798172415658835, + "deflection": 0.010838779911771755, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007332)" + }, + "parent_node_id": "node_254", + "improvement_over_parent": null + }, + "node_256": { + "node_id": "node_256", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 385.69 kg\n Factor of Safety: 0.84\n Max Deflection: 9.41e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.68594813381145, + "fos_buckling": 0.8377272520759238, + "fos_yielding": 10.131975360280641, + "deflection": 0.009409055644193627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_255", + "improvement_over_parent": null + }, + "node_257": { + "node_id": "node_257", + "content": "MODIFICATION: Increase 4 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 388.10 kg\n Factor of Safety: 0.84\n Max Deflection: 9.38e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.10218009093336, + "fos_buckling": 0.8374707423880714, + "fos_yielding": 10.128872978412858, + "deflection": 0.009383053381310501, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.323)" + }, + "parent_node_id": "node_256", + "improvement_over_parent": null + }, + "node_258": { + "node_id": "node_258", + "content": "MODIFICATION: Increase 7 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0105)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 406.42 kg\n Factor of Safety: 0.84\n Max Deflection: 9.39e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.4205218764034, + "fos_buckling": 0.836499819993037, + "fos_yielding": 10.117130061181921, + "deflection": 0.009393234002407288, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.393)" + }, + "parent_node_id": "node_257", + "improvement_over_parent": null + }, + "node_259": { + "node_id": "node_259", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 503.70 kg\n Factor of Safety: 1.00\n Max Deflection: 7.61e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 503.69559399566566, + "fos_buckling": 0.9965409602266025, + "fos_yielding": 12.4739836077313, + "deflection": 0.007614812344601476, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_258", + "improvement_over_parent": null + }, + "node_260": { + "node_id": "node_260", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 551.30 kg\n Factor of Safety: 1.46\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 551.2983584561687, + "fos_buckling": 1.4645813310341962, + "fos_yielding": 14.3715565576615, + "deflection": 0.005977208664689028, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_259", + "improvement_over_parent": null + }, + "node_261": { + "node_id": "node_261", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_260", + "improvement_over_parent": null + }, + "node_262": { + "node_id": "node_262", + "content": "INITIAL DESIGN (Trace 40)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0030)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0034)]\n\nPerformance:\n Mass: 222.52 kg\n Factor of Safety: 0.66\n Max Deflection: 1.46e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 222.51849916121282, + "fos_buckling": 0.6600538265319579, + "fos_yielding": 5.643718490779973, + "deflection": 0.014640444432340525, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_263": { + "node_id": "node_263", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n\nPerformance:\n Mass: 274.54 kg\n Factor of Safety: 0.80\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 274.538125552692, + "fos_buckling": 0.8018987536409578, + "fos_yielding": 6.97014053899861, + "deflection": 0.011901765533533318, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_262", + "improvement_over_parent": null + }, + "node_264": { + "node_id": "node_264", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 354.68 kg\n Factor of Safety: 1.01\n Max Deflection: 9.25e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.6791562558215, + "fos_buckling": 1.011301127511221, + "fos_yielding": 9.01908661413744, + "deflection": 0.009254589643072332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_263", + "improvement_over_parent": null + }, + "node_265": { + "node_id": "node_265", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 443.30 kg\n Factor of Safety: 1.23\n Max Deflection: 7.44e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 443.303883404666, + "fos_buckling": 1.2300786286634877, + "fos_yielding": 11.292904312556772, + "deflection": 0.0074414713950064085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_264", + "improvement_over_parent": null + }, + "node_266": { + "node_id": "node_266", + "content": "MODIFICATION: Increase 10 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 458.95 kg\n Factor of Safety: 1.36\n Max Deflection: 7.16e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 458.9488016354293, + "fos_buckling": 1.3576156811072817, + "fos_yielding": 11.749102872149804, + "deflection": 0.007162201157739771, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.300)" + }, + "parent_node_id": "node_265", + "improvement_over_parent": null + }, + "node_267": { + "node_id": "node_267", + "content": "MODIFICATION: Increase 1 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 471.85 kg\n Factor of Safety: 1.37\n Max Deflection: 6.86e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.8543633103303, + "fos_buckling": 1.3668315368094495, + "fos_yielding": 12.306230239541776, + "deflection": 0.006862309037075966, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.344)" + }, + "parent_node_id": "node_266", + "improvement_over_parent": null + }, + "node_268": { + "node_id": "node_268", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.59 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.587433597692, + "fos_buckling": 1.5382605566293284, + "fos_yielding": 14.278201377303121, + "deflection": 0.005950753365425761, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_267", + "improvement_over_parent": null + }, + "node_269": { + "node_id": "node_269", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_268", + "improvement_over_parent": null + }, + "node_270": { + "node_id": "node_270", + "content": "INITIAL DESIGN (Trace 41)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 189.64 kg\n Factor of Safety: 0.11\n Max Deflection: 2.60e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 189.64348772842123, + "fos_buckling": 0.11395696550427539, + "fos_yielding": 0.5083593057729296, + "deflection": 260062109895891.0, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_271": { + "node_id": "node_271", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 226.09 kg\n Factor of Safety: 0.11\n Max Deflection: 5.04e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 226.08861104669558, + "fos_buckling": 0.11210987429787932, + "fos_yielding": 0.9044732384287154, + "deflection": 50392542789624.36, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_270", + "improvement_over_parent": null + }, + "node_272": { + "node_id": "node_272", + "content": "MODIFICATION: Increase 0 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 241.60 kg\n Factor of Safety: 0.22\n Max Deflection: 6.71e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 241.5988837546875, + "fos_buckling": 0.22421974859575863, + "fos_yielding": 1.8089464768574308, + "deflection": 67051167195377.61, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.520)" + }, + "parent_node_id": "node_271", + "improvement_over_parent": null + }, + "node_273": { + "node_id": "node_273", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 267.10 kg\n Factor of Safety: 0.29\n Max Deflection: 2.70e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 267.09846440845956, + "fos_buckling": 0.2948512377501948, + "fos_yielding": 3.2464611509793193, + "deflection": 26991545629814.184, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_272", + "improvement_over_parent": null + }, + "node_274": { + "node_id": "node_274", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 337.66 kg\n Factor of Safety: 0.56\n Max Deflection: 2.91e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.6607036794736, + "fos_buckling": 0.5579520819905962, + "fos_yielding": 5.546129670398002, + "deflection": 29113370341629.836, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009016)" + }, + "parent_node_id": "node_273", + "improvement_over_parent": null + }, + "node_275": { + "node_id": "node_275", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 391.92 kg\n Factor of Safety: 0.52\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.92068776878205, + "fos_buckling": 0.5184558672885503, + "fos_yielding": 6.032910371432194, + "deflection": 0.012973332836267755, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007906)" + }, + "parent_node_id": "node_274", + "improvement_over_parent": null + }, + "node_276": { + "node_id": "node_276", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 462.48 kg\n Factor of Safety: 1.34\n Max Deflection: 7.00e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.4829270397961, + "fos_buckling": 1.3439599376206517, + "fos_yielding": 12.061963017442732, + "deflection": 0.006997395542469287, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009016)" + }, + "parent_node_id": "node_275", + "improvement_over_parent": null + }, + "node_277": { + "node_id": "node_277", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.69 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.688837886145, + "fos_buckling": 1.5379153663618597, + "fos_yielding": 14.283865181635207, + "deflection": 0.005949678200462744, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.200)" + }, + "parent_node_id": "node_276", + "improvement_over_parent": null + }, + "node_278": { + "node_id": "node_278", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_277", + "improvement_over_parent": null + }, + "node_279": { + "node_id": "node_279", + "content": "INITIAL DESIGN (Trace 42)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_280": { + "node_id": "node_280", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 315.35 kg\n Factor of Safety: 0.43\n Max Deflection: 2.09e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.3488948695545, + "fos_buckling": 0.43029170189742333, + "fos_yielding": 3.6178929537148625, + "deflection": 20901433143977.863, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_279", + "improvement_over_parent": null + }, + "node_281": { + "node_id": "node_281", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 373.52 kg\n Factor of Safety: 0.94\n Max Deflection: 3.73e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.5166549029647, + "fos_buckling": 0.9438796274502128, + "fos_yielding": 4.8416402195846855, + "deflection": 37330866417274.52, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007330)" + }, + "parent_node_id": "node_280", + "improvement_over_parent": null + }, + "node_282": { + "node_id": "node_282", + "content": "MODIFICATION: Increase 8 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.71 kg\n Factor of Safety: 0.22\n Max Deflection: 4.59e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.7073293593538, + "fos_buckling": 0.21514585094871166, + "fos_yielding": 1.8089464768574313, + "deflection": 45852521423213.45, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.475)" + }, + "parent_node_id": "node_281", + "improvement_over_parent": null + }, + "node_283": { + "node_id": "node_283", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.84 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.83998225197445, + "fos_buckling": 0.5930560632058428, + "fos_yielding": 7.075388955375661, + "deflection": 0.011030850464883262, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_282", + "improvement_over_parent": null + }, + "node_284": { + "node_id": "node_284", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2352146853359, + "fos_buckling": 1.5372543498678395, + "fos_yielding": 14.269006525207065, + "deflection": 0.005954557740426506, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_283", + "improvement_over_parent": null + }, + "node_285": { + "node_id": "node_285", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_284", + "improvement_over_parent": null + }, + "node_286": { + "node_id": "node_286", + "content": "INITIAL DESIGN (Trace 43)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 382.49 kg\n Factor of Safety: 0.57\n Max Deflection: 1.10e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.48630617495036, + "fos_buckling": 0.5710092346757489, + "fos_yielding": 7.955646561886195, + "deflection": 11039854194486.775, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_287": { + "node_id": "node_287", + "content": "MODIFICATION: Increase 4 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 385.77 kg\n Factor of Safety: 0.57\n Max Deflection: 1.10e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.7685661102363, + "fos_buckling": 0.5710092346757489, + "fos_yielding": 8.399564287062935, + "deflection": 11039854194486.775, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.567)" + }, + "parent_node_id": "node_286", + "improvement_over_parent": null + }, + "node_288": { + "node_id": "node_288", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 398.74 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.73808561979115, + "fos_buckling": 0.5954630927083794, + "fos_yielding": 7.097306093901712, + "deflection": 0.012200375686521051, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_287", + "improvement_over_parent": null + }, + "node_289": { + "node_id": "node_289", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.13 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1333180531526, + "fos_buckling": 0.9980358904464747, + "fos_yielding": 12.493086502648566, + "deflection": 0.007457426738945446, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_288", + "improvement_over_parent": null + }, + "node_290": { + "node_id": "node_290", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2659709457732, + "fos_buckling": 1.5376052593265412, + "fos_yielding": 14.270743609459068, + "deflection": 0.005954191130214661, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_289", + "improvement_over_parent": null + }, + "node_291": { + "node_id": "node_291", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_290", + "improvement_over_parent": null + }, + "node_292": { + "node_id": "node_292", + "content": "INITIAL DESIGN (Trace 44)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n\nPerformance:\n Mass: 303.78 kg\n Factor of Safety: 0.33\n Max Deflection: 1.75e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 303.7766533138328, + "fos_buckling": 0.3293093238927312, + "fos_yielding": 4.904324566123423, + "deflection": 0.01748187306762167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_293": { + "node_id": "node_293", + "content": "MODIFICATION: Increase 9 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 326.97 kg\n Factor of Safety: 0.33\n Max Deflection: 1.66e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 326.9699432879569, + "fos_buckling": 0.3288235087076563, + "fos_yielding": 4.897089437404338, + "deflection": 0.016635180979076236, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.656)" + }, + "parent_node_id": "node_292", + "improvement_over_parent": null + }, + "node_294": { + "node_id": "node_294", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 371.11 kg\n Factor of Safety: 0.90\n Max Deflection: 8.82e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 371.11375038412825, + "fos_buckling": 0.8951279726042064, + "fos_yielding": 10.213347207182599, + "deflection": 0.00881521663292553, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005480)" + }, + "parent_node_id": "node_293", + "improvement_over_parent": null + }, + "node_295": { + "node_id": "node_295", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 445.15 kg\n Factor of Safety: 1.05\n Max Deflection: 7.38e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.14952465079324, + "fos_buckling": 1.0547063278179967, + "fos_yielding": 12.267452569642465, + "deflection": 0.007378585379971159, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_294", + "improvement_over_parent": null + }, + "node_296": { + "node_id": "node_296", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 509.94 kg\n Factor of Safety: 1.19\n Max Deflection: 6.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 509.93640346087295, + "fos_buckling": 1.1892761022937597, + "fos_yielding": 14.069057507973442, + "deflection": 0.006463556537165246, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.159)" + }, + "parent_node_id": "node_295", + "improvement_over_parent": null + }, + "node_297": { + "node_id": "node_297", + "content": "MODIFICATION: Increase 2 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 524.33 kg\n Factor of Safety: 1.27\n Max Deflection: 6.30e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.3341313858624, + "fos_buckling": 1.2704008864993193, + "fos_yielding": 13.454630493059712, + "deflection": 0.006298673512917174, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.475)" + }, + "parent_node_id": "node_296", + "improvement_over_parent": null + }, + "node_298": { + "node_id": "node_298", + "content": "MODIFICATION: Increase 7 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0133)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 546.90 kg\n Factor of Safety: 1.33\n Max Deflection: 6.16e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.897780505959, + "fos_buckling": 1.3290983221619026, + "fos_yielding": 13.015510104625038, + "deflection": 0.0061631884202745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.403)" + }, + "parent_node_id": "node_297", + "improvement_over_parent": null + }, + "node_299": { + "node_id": "node_299", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_298", + "improvement_over_parent": null + }, + "node_300": { + "node_id": "node_300", + "content": "INITIAL DESIGN (Trace 45)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 295.45 kg\n Factor of Safety: 0.00\n Max Deflection: 4.40e+15 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.4543176865936, + "fos_buckling": 0.0034678922537643058, + "fos_yielding": 0.0498612922809836, + "deflection": 4398024043827521.5, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_301": { + "node_id": "node_301", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 305.80 kg\n Factor of Safety: 47.90\n Max Deflection: 1.29e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 305.7982436743836, + "fos_buckling": 47.896435729653334, + "fos_yielding": 11.759880680682416, + "deflection": 12866510777579.213, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004909)" + }, + "parent_node_id": "node_300", + "improvement_over_parent": null + }, + "node_302": { + "node_id": "node_302", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 383.77 kg\n Factor of Safety: 0.86\n Max Deflection: 1.18e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.7651487483978, + "fos_buckling": 0.8556929660611338, + "fos_yielding": 11.356093129757888, + "deflection": 11813893154861.197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_301", + "improvement_over_parent": null + }, + "node_303": { + "node_id": "node_303", + "content": "MODIFICATION: Increase 8 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0084)]\n\nPerformance:\n Mass: 387.61 kg\n Factor of Safety: 0.86\n Max Deflection: 2.49e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.60536631970325, + "fos_buckling": 0.8564759067804161, + "fos_yielding": 12.223472621921612, + "deflection": 24915697565217.176, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.337)" + }, + "parent_node_id": "node_302", + "improvement_over_parent": null + }, + "node_304": { + "node_id": "node_304", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 471.00 kg\n Factor of Safety: 1.00\n Max Deflection: 7.56e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.0005987530647, + "fos_buckling": 0.9984659101336303, + "fos_yielding": 12.501906887097043, + "deflection": 0.007562767598747084, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_303", + "improvement_over_parent": null + }, + "node_305": { + "node_id": "node_305", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 535.13 kg\n Factor of Safety: 1.50\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.1332516456853, + "fos_buckling": 1.4953881739071238, + "fos_yielding": 18.7076749333458, + "deflection": 0.005989877826108747, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_304", + "improvement_over_parent": null + }, + "node_306": { + "node_id": "node_306", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_305", + "improvement_over_parent": null + }, + "node_307": { + "node_id": "node_307", + "content": "INITIAL DESIGN (Trace 46)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 304.98 kg\n Factor of Safety: 0.36\n Max Deflection: 4.44e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 304.9773509189928, + "fos_buckling": 0.361318969822368, + "fos_yielding": 4.658049886196657, + "deflection": 0.04436285415375889, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_308": { + "node_id": "node_308", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 314.43 kg\n Factor of Safety: 0.36\n Max Deflection: 1.61e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.4331128823163, + "fos_buckling": 0.36088399072862876, + "fos_yielding": 5.232894069416142, + "deflection": 0.016119296321010418, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004459)" + }, + "parent_node_id": "node_307", + "improvement_over_parent": null + }, + "node_309": { + "node_id": "node_309", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 373.41 kg\n Factor of Safety: 0.42\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.41470232256, + "fos_buckling": 0.4204905527944871, + "fos_yielding": 6.175611678580319, + "deflection": 0.013618147222213306, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_308", + "improvement_over_parent": null + }, + "node_310": { + "node_id": "node_310", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 445.53 kg\n Factor of Safety: 1.10\n Max Deflection: 7.44e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.531013600953, + "fos_buckling": 1.1023490380182908, + "fos_yielding": 11.743369821643677, + "deflection": 0.007437602507209745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009231)" + }, + "parent_node_id": "node_309", + "improvement_over_parent": null + }, + "node_311": { + "node_id": "node_311", + "content": "MODIFICATION: Increase 1 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 463.09 kg\n Factor of Safety: 1.26\n Max Deflection: 6.96e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.08731164188936, + "fos_buckling": 1.2614127370347832, + "fos_yielding": 12.723456499634578, + "deflection": 0.006957259044987282, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.527)" + }, + "parent_node_id": "node_310", + "improvement_over_parent": null + }, + "node_312": { + "node_id": "node_312", + "content": "MODIFICATION: Increase 3 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 472.63 kg\n Factor of Safety: 1.37\n Max Deflection: 6.85e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.6288847344524, + "fos_buckling": 1.3682949751570102, + "fos_yielding": 12.326358847169017, + "deflection": 0.006851477620379998, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.326)" + }, + "parent_node_id": "node_311", + "improvement_over_parent": null + }, + "node_313": { + "node_id": "node_313", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.62 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6227003488091, + "fos_buckling": 1.537943126346066, + "fos_yielding": 14.278817363815476, + "deflection": 0.0059504624721334705, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_312", + "improvement_over_parent": null + }, + "node_314": { + "node_id": "node_314", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_313", + "improvement_over_parent": null + }, + "node_315": { + "node_id": "node_315", + "content": "INITIAL DESIGN (Trace 47)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n\nPerformance:\n Mass: 287.05 kg\n Factor of Safety: 0.42\n Max Deflection: 1.93e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.05117711441864, + "fos_buckling": 0.41677668145876207, + "fos_yielding": 4.407571161185219, + "deflection": 0.019323143636696908, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_316": { + "node_id": "node_316", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 331.88 kg\n Factor of Safety: 0.88\n Max Deflection: 9.69e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.87980481409187, + "fos_buckling": 0.8833747396277958, + "fos_yielding": 9.622570667371441, + "deflection": 0.009693898009302376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005569)" + }, + "parent_node_id": "node_315", + "improvement_over_parent": null + }, + "node_317": { + "node_id": "node_317", + "content": "MODIFICATION: Increase 4 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 333.17 kg\n Factor of Safety: 0.88\n Max Deflection: 9.65e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.1664984219758, + "fos_buckling": 0.8828834235322826, + "fos_yielding": 9.52240565999227, + "deflection": 0.009645791272194105, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.271)" + }, + "parent_node_id": "node_316", + "improvement_over_parent": null + }, + "node_318": { + "node_id": "node_318", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 399.30 kg\n Factor of Safety: 1.04\n Max Deflection: 8.08e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.30017608771465, + "fos_buckling": 1.036991282278699, + "fos_yielding": 11.418749030802651, + "deflection": 0.008079043176568993, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.212)" + }, + "parent_node_id": "node_317", + "improvement_over_parent": null + }, + "node_319": { + "node_id": "node_319", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 441.92 kg\n Factor of Safety: 1.13\n Max Deflection: 7.32e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.92267144511084, + "fos_buckling": 1.1326689336148654, + "fos_yielding": 12.641718213524799, + "deflection": 0.007317760171328702, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_318", + "improvement_over_parent": null + }, + "node_320": { + "node_id": "node_320", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 509.49 kg\n Factor of Safety: 1.28\n Max Deflection: 6.37e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 509.4937786111617, + "fos_buckling": 1.2785381681426338, + "fos_yielding": 14.581588932955603, + "deflection": 0.006371855546814918, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_319", + "improvement_over_parent": null + }, + "node_321": { + "node_id": "node_321", + "content": "MODIFICATION: Increase 9 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 531.14 kg\n Factor of Safety: 1.37\n Max Deflection: 6.17e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.1355863386596, + "fos_buckling": 1.3669731973439123, + "fos_yielding": 13.756311355470595, + "deflection": 0.006167091221105356, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.560)" + }, + "parent_node_id": "node_320", + "improvement_over_parent": null + }, + "node_322": { + "node_id": "node_322", + "content": "MODIFICATION: Increase 10 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.56 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.5615451208699, + "fos_buckling": 1.536041681573819, + "fos_yielding": 14.252719086096258, + "deflection": 0.005961384227809837, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.230)" + }, + "parent_node_id": "node_321", + "improvement_over_parent": null + }, + "node_323": { + "node_id": "node_323", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_322", + "improvement_over_parent": null + }, + "node_324": { + "node_id": "node_324", + "content": "INITIAL DESIGN (Trace 48)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 412.59 kg\n Factor of Safety: 0.73\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.58548490355054, + "fos_buckling": 0.734930515352186, + "fos_yielding": 9.208649536449037, + "deflection": 0.011022230408390364, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_325": { + "node_id": "node_325", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 466.10 kg\n Factor of Safety: 0.82\n Max Deflection: 9.76e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.0958486783505, + "fos_buckling": 0.8201495143594356, + "fos_yielding": 10.434907990335878, + "deflection": 0.009763781039283433, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_324", + "improvement_over_parent": null + }, + "node_326": { + "node_id": "node_326", + "content": "MODIFICATION: Increase 8 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 486.11 kg\n Factor of Safety: 1.00\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 486.111316495702, + "fos_buckling": 0.9991870974217182, + "fos_yielding": 12.509107141996283, + "deflection": 0.009014542269550577, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.346)" + }, + "parent_node_id": "node_325", + "improvement_over_parent": null + }, + "node_327": { + "node_id": "node_327", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 499.08 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 499.08083600525686, + "fos_buckling": 0.9975562106404233, + "fos_yielding": 12.488689607045805, + "deflection": 0.007457090643338459, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_326", + "improvement_over_parent": null + }, + "node_328": { + "node_id": "node_328", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.68 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6836004657598, + "fos_buckling": 1.538391039795249, + "fos_yielding": 14.274306109414129, + "deflection": 0.005949699329831217, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_327", + "improvement_over_parent": null + }, + "node_329": { + "node_id": "node_329", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_328", + "improvement_over_parent": null + }, + "node_330": { + "node_id": "node_330", + "content": "INITIAL DESIGN (Trace 49)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 480.12 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.12028519432306, + "fos_buckling": 0.9981630287293746, + "fos_yielding": 12.49467797804667, + "deflection": 0.007454749217268863, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_331": { + "node_id": "node_331", + "content": "MODIFICATION: Increase 7 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.69 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6910613414933, + "fos_buckling": 0.9969965819362279, + "fos_yielding": 12.480076779004616, + "deflection": 0.007462834111829589, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.447)" + }, + "parent_node_id": "node_330", + "improvement_over_parent": null + }, + "node_332": { + "node_id": "node_332", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 533.60 kg\n Factor of Safety: 1.39\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.6048573818294, + "fos_buckling": 1.3866225555017233, + "fos_yielding": 14.824659121398685, + "deflection": 0.006062848145525479, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006204)" + }, + "parent_node_id": "node_331", + "improvement_over_parent": null + }, + "node_333": { + "node_id": "node_333", + "content": "MODIFICATION: Increase 2 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0121)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 550.18 kg\n Factor of Safety: 1.39\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 550.1819117708714, + "fos_buckling": 1.3902043431613935, + "fos_yielding": 14.361188470522746, + "deflection": 0.005976019721242815, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.399)" + }, + "parent_node_id": "node_332", + "improvement_over_parent": null + }, + "node_334": { + "node_id": "node_334", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_333", + "improvement_over_parent": null + }, + "node_335": { + "node_id": "node_335", + "content": "INITIAL DESIGN (Trace 50)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 402.21 kg\n Factor of Safety: 0.22\n Max Deflection: 3.68e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.21484023093234, + "fos_buckling": 0.21514602430419996, + "fos_yielding": 1.8089464768574308, + "deflection": 36778585854631.87, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_336": { + "node_id": "node_336", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 449.82 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.8176046914353, + "fos_buckling": 0.5934794356184098, + "fos_yielding": 7.079957903976534, + "deflection": 0.011116590649268343, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_335", + "improvement_over_parent": null + }, + "node_337": { + "node_id": "node_337", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.21 kg\n Factor of Safety: 1.42\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2128371247967, + "fos_buckling": 1.4183611230715918, + "fos_yielding": 14.812455538291168, + "deflection": 0.00606776845586136, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_336", + "improvement_over_parent": null + }, + "node_338": { + "node_id": "node_338", + "content": "MODIFICATION: Increase 9 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.28 kg\n Factor of Safety: 1.42\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.2755081706845, + "fos_buckling": 1.4205745942201158, + "fos_yielding": 14.529685622432485, + "deflection": 0.0060148189932854364, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.214)" + }, + "parent_node_id": "node_337", + "improvement_over_parent": null + }, + "node_339": { + "node_id": "node_339", + "content": "MODIFICATION: Increase 6 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0134)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 565.20 kg\n Factor of Safety: 1.42\n Max Deflection: 5.90e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 565.1998356216301, + "fos_buckling": 1.4246087978810702, + "fos_yielding": 13.991169173998856, + "deflection": 0.0058975019070799505, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.410)" + }, + "parent_node_id": "node_338", + "improvement_over_parent": null + }, + "node_340": { + "node_id": "node_340", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_339", + "improvement_over_parent": null + }, + "node_341": { + "node_id": "node_341", + "content": "INITIAL DESIGN (Trace 51)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_342": { + "node_id": "node_342", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 315.35 kg\n Factor of Safety: 0.92\n Max Deflection: 1.97e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.3474106370129, + "fos_buckling": 0.9208722504365969, + "fos_yielding": 5.238391357944901, + "deflection": 19725676295349.03, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_341", + "improvement_over_parent": null + }, + "node_343": { + "node_id": "node_343", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.74 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.74264307037436, + "fos_buckling": 0.5954632603602682, + "fos_yielding": 7.103672982080554, + "deflection": 0.012199634358387841, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_342", + "improvement_over_parent": null + }, + "node_344": { + "node_id": "node_344", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 458.72 kg\n Factor of Safety: 1.00\n Max Deflection: 7.80e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 458.7195152109335, + "fos_buckling": 0.9994812795803412, + "fos_yielding": 12.511546677819357, + "deflection": 0.007800280292586615, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007573)" + }, + "parent_node_id": "node_343", + "improvement_over_parent": null + }, + "node_345": { + "node_id": "node_345", + "content": "MODIFICATION: Increase 7 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0136)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 482.66 kg\n Factor of Safety: 1.00\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.65824642350907, + "fos_buckling": 0.9979741605036525, + "fos_yielding": 12.492680500871105, + "deflection": 0.007645152880563806, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.429)" + }, + "parent_node_id": "node_344", + "improvement_over_parent": null + }, + "node_346": { + "node_id": "node_346", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0136)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.79 kg\n Factor of Safety: 1.32\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.7908993161296, + "fos_buckling": 1.3179132848656974, + "fos_yielding": 12.941066387230673, + "deflection": 0.006180707559171734, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_345", + "improvement_over_parent": null + }, + "node_347": { + "node_id": "node_347", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_346", + "improvement_over_parent": null + }, + "node_348": { + "node_id": "node_348", + "content": "INITIAL DESIGN (Trace 52)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 358.51 kg\n Factor of Safety: 0.49\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 358.5102687775197, + "fos_buckling": 0.4926527045047055, + "fos_yielding": 5.686057660984227, + "deflection": 0.013879726186265613, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_349": { + "node_id": "node_349", + "content": "MODIFICATION: Increase 2 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 368.48 kg\n Factor of Safety: 0.49\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.4798845425556, + "fos_buckling": 0.492341109563604, + "fos_yielding": 5.682504873262287, + "deflection": 0.013778303398235674, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.383)" + }, + "parent_node_id": "node_348", + "improvement_over_parent": null + }, + "node_350": { + "node_id": "node_350", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.12 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.12418206209327, + "fos_buckling": 0.5932805143473726, + "fos_yielding": 7.078633093279577, + "deflection": 0.01102501989161114, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.282)" + }, + "parent_node_id": "node_349", + "improvement_over_parent": null + }, + "node_351": { + "node_id": "node_351", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.52 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5194144954547, + "fos_buckling": 1.537790661503848, + "fos_yielding": 14.274895646510213, + "deflection": 0.005951652666123602, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_350", + "improvement_over_parent": null + }, + "node_352": { + "node_id": "node_352", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_351", + "improvement_over_parent": null + }, + "node_353": { + "node_id": "node_353", + "content": "INITIAL DESIGN (Trace 53)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 325.92 kg\n Factor of Safety: 0.96\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 325.9201449645184, + "fos_buckling": 0.9643161400602396, + "fos_yielding": 8.172253299556605, + "deflection": 0.010180869811339335, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_354": { + "node_id": "node_354", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 406.10 kg\n Factor of Safety: 1.17\n Max Deflection: 8.21e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.0966039449646, + "fos_buckling": 1.1662254751892034, + "fos_yielding": 10.198798051152375, + "deflection": 0.008206153412060085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_353", + "improvement_over_parent": null + }, + "node_355": { + "node_id": "node_355", + "content": "MODIFICATION: Increase 1 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 423.82 kg\n Factor of Safety: 1.25\n Max Deflection: 7.62e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.81959474807616, + "fos_buckling": 1.2502720442935988, + "fos_yielding": 11.042200186426566, + "deflection": 0.007617861986971335, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.626)" + }, + "parent_node_id": "node_354", + "improvement_over_parent": null + }, + "node_356": { + "node_id": "node_356", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.60 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5967439076906, + "fos_buckling": 1.5382363198876892, + "fos_yielding": 14.278609889714993, + "deflection": 0.005950602480658093, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.318)" + }, + "parent_node_id": "node_355", + "improvement_over_parent": null + }, + "node_357": { + "node_id": "node_357", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_356", + "improvement_over_parent": null + }, + "node_358": { + "node_id": "node_358", + "content": "INITIAL DESIGN (Trace 54)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 301.15 kg\n Factor of Safety: 0.46\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.14724231215024, + "fos_buckling": 0.45597894760156593, + "fos_yielding": 5.20411562466351, + "deflection": 0.01671626347352076, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_359": { + "node_id": "node_359", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n\nPerformance:\n Mass: 318.79 kg\n Factor of Safety: 0.46\n Max Deflection: 1.54e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.78543716989157, + "fos_buckling": 0.4554671137150645, + "fos_yielding": 5.1983387488911115, + "deflection": 0.015367126071985253, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.003036)" + }, + "parent_node_id": "node_358", + "improvement_over_parent": null + }, + "node_360": { + "node_id": "node_360", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n\nPerformance:\n Mass: 373.81 kg\n Factor of Safety: 0.52\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.80802008822593, + "fos_buckling": 0.5206482479480908, + "fos_yielding": 6.061260738569168, + "deflection": 0.013150497932711988, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.186)" + }, + "parent_node_id": "node_359", + "improvement_over_parent": null + }, + "node_361": { + "node_id": "node_361", + "content": "MODIFICATION: Increase 3 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0056)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n\nPerformance:\n Mass: 375.54 kg\n Factor of Safety: 0.52\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.54024643754315, + "fos_buckling": 0.5206482479480908, + "fos_yielding": 6.706729570560581, + "deflection": 0.012947232885696764, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.233)" + }, + "parent_node_id": "node_360", + "improvement_over_parent": null + }, + "node_362": { + "node_id": "node_362", + "content": "MODIFICATION: Increase 3 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0091)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n\nPerformance:\n Mass: 380.89 kg\n Factor of Safety: 0.52\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 380.88763643090385, + "fos_buckling": 0.5206482479480908, + "fos_yielding": 6.706729570560577, + "deflection": 0.012610630321670584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.637)" + }, + "parent_node_id": "node_361", + "improvement_over_parent": null + }, + "node_363": { + "node_id": "node_363", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0109)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n\nPerformance:\n Mass: 447.69 kg\n Factor of Safety: 0.59\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.6925904203668, + "fos_buckling": 0.5936381800874643, + "fos_yielding": 7.878833790261278, + "deflection": 0.010774028404374605, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.193)" + }, + "parent_node_id": "node_362", + "improvement_over_parent": null + }, + "node_364": { + "node_id": "node_364", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0109)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 531.09 kg\n Factor of Safety: 1.14\n Max Deflection: 6.15e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.0878228537282, + "fos_buckling": 1.1364395412098616, + "fos_yielding": 15.265602003082112, + "deflection": 0.006147577908339889, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_363", + "improvement_over_parent": null + }, + "node_365": { + "node_id": "node_365", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_364", + "improvement_over_parent": null + }, + "node_366": { + "node_id": "node_366", + "content": "INITIAL DESIGN (Trace 55)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 387.64 kg\n Factor of Safety: 0.55\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.64277455786845, + "fos_buckling": 0.5493638291545688, + "fos_yielding": 6.279729456475292, + "deflection": 0.013915647958734656, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_367": { + "node_id": "node_367", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 463.26 kg\n Factor of Safety: 1.34\n Max Deflection: 6.85e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.26424013486394, + "fos_buckling": 1.3445741752869325, + "fos_yielding": 14.169400076445541, + "deflection": 0.006847453252940557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009719)" + }, + "parent_node_id": "node_366", + "improvement_over_parent": null + }, + "node_368": { + "node_id": "node_368", + "content": "MODIFICATION: Increase 9 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 482.10 kg\n Factor of Safety: 1.37\n Max Deflection: 6.66e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.09518807944136, + "fos_buckling": 1.3690114670558735, + "fos_yielding": 13.381589470778659, + "deflection": 0.006663454124077823, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.520)" + }, + "parent_node_id": "node_367", + "improvement_over_parent": null + }, + "node_369": { + "node_id": "node_369", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.22 kg\n Factor of Safety: 1.48\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.2179816765898, + "fos_buckling": 1.4818785909491745, + "fos_yielding": 14.780735250040427, + "deflection": 0.006054453768959482, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_368", + "improvement_over_parent": null + }, + "node_370": { + "node_id": "node_370", + "content": "MODIFICATION: Increase 8 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.67 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6658014650176, + "fos_buckling": 1.5385627905048527, + "fos_yielding": 14.281924068830332, + "deflection": 0.005949808701381927, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.319)" + }, + "parent_node_id": "node_369", + "improvement_over_parent": null + }, + "node_371": { + "node_id": "node_371", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_370", + "improvement_over_parent": null + }, + "node_372": { + "node_id": "node_372", + "content": "INITIAL DESIGN (Trace 56)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 342.55 kg\n Factor of Safety: 0.67\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.54629524089046, + "fos_buckling": 0.6714201964525868, + "fos_yielding": 8.326327680038382, + "deflection": 0.01234955630439385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_373": { + "node_id": "node_373", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 389.51 kg\n Factor of Safety: 0.75\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 389.5122369172618, + "fos_buckling": 0.7536969400037559, + "fos_yielding": 9.48261384743125, + "deflection": 0.010875181488264043, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.148)" + }, + "parent_node_id": "node_372", + "improvement_over_parent": null + }, + "node_374": { + "node_id": "node_374", + "content": "MODIFICATION: Increase 3 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 400.77 kg\n Factor of Safety: 0.75\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 400.77289697906224, + "fos_buckling": 0.75314757467557, + "fos_yielding": 9.475702025196272, + "deflection": 0.010883034924541938, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.391)" + }, + "parent_node_id": "node_373", + "improvement_over_parent": null + }, + "node_375": { + "node_id": "node_375", + "content": "MODIFICATION: Increase 6 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 417.10 kg\n Factor of Safety: 0.91\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.1022952793734, + "fos_buckling": 0.9119659882226319, + "fos_yielding": 11.197851037223385, + "deflection": 0.010126310029206364, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.305)" + }, + "parent_node_id": "node_374", + "improvement_over_parent": null + }, + "node_376": { + "node_id": "node_376", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 474.35 kg\n Factor of Safety: 0.92\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.35175720258724, + "fos_buckling": 0.9215189728006975, + "fos_yielding": 11.315150256325346, + "deflection": 0.010126312592813236, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008379)" + }, + "parent_node_id": "node_375", + "improvement_over_parent": null + }, + "node_377": { + "node_id": "node_377", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 485.93 kg\n Factor of Safety: 1.36\n Max Deflection: 6.68e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.928363482213, + "fos_buckling": 1.358930101515353, + "fos_yielding": 12.825771623694438, + "deflection": 0.006678893878291795, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005544)" + }, + "parent_node_id": "node_376", + "improvement_over_parent": null + }, + "node_378": { + "node_id": "node_378", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 544.76 kg\n Factor of Safety: 1.49\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.7586973545834, + "fos_buckling": 1.4901034666956692, + "fos_yielding": 14.395950233733595, + "deflection": 0.005978779424134372, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.133)" + }, + "parent_node_id": "node_377", + "improvement_over_parent": null + }, + "node_379": { + "node_id": "node_379", + "content": "MODIFICATION: Increase 6 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 561.36 kg\n Factor of Safety: 1.48\n Max Deflection: 5.80e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 561.3612612161969, + "fos_buckling": 1.483168451269356, + "fos_yielding": 14.855505611620195, + "deflection": 0.00580449717302249, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.224)" + }, + "parent_node_id": "node_378", + "improvement_over_parent": null + }, + "node_380": { + "node_id": "node_380", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_379", + "improvement_over_parent": null + }, + "node_381": { + "node_id": "node_381", + "content": "INITIAL DESIGN (Trace 57)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0035)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 218.82 kg\n Factor of Safety: 0.49\n Max Deflection: 1.83e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 218.81793502127363, + "fos_buckling": 0.492413966326855, + "fos_yielding": 5.936099939510636, + "deflection": 0.018305518189742326, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_382": { + "node_id": "node_382", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 284.68 kg\n Factor of Safety: 0.62\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 284.68199668635293, + "fos_buckling": 0.6249127295817073, + "fos_yielding": 7.701824701599547, + "deflection": 0.014140963353152076, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.318)" + }, + "parent_node_id": "node_381", + "improvement_over_parent": null + }, + "node_383": { + "node_id": "node_383", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 333.97 kg\n Factor of Safety: 0.72\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.9680923420185, + "fos_buckling": 0.7193759647815846, + "fos_yielding": 9.01734611168644, + "deflection": 0.01209920650018108, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_382", + "improvement_over_parent": null + }, + "node_384": { + "node_id": "node_384", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 371.47 kg\n Factor of Safety: 0.72\n Max Deflection: 9.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 371.47178852910025, + "fos_buckling": 0.7176646991080469, + "fos_yielding": 8.995895471655642, + "deflection": 0.00992068607258655, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006698)" + }, + "parent_node_id": "node_383", + "improvement_over_parent": null + }, + "node_385": { + "node_id": "node_385", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 408.98 kg\n Factor of Safety: 1.10\n Max Deflection: 7.87e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.975484716182, + "fos_buckling": 1.0952311675256143, + "fos_yielding": 11.334819127271349, + "deflection": 0.007874266799198667, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006698)" + }, + "parent_node_id": "node_384", + "improvement_over_parent": null + }, + "node_386": { + "node_id": "node_386", + "content": "MODIFICATION: Increase 8 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0113)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 429.63 kg\n Factor of Safety: 1.10\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.63026429439066, + "fos_buckling": 1.096765964214473, + "fos_yielding": 11.872234196812629, + "deflection": 0.007552703718724309, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.346)" + }, + "parent_node_id": "node_385", + "improvement_over_parent": null + }, + "node_387": { + "node_id": "node_387", + "content": "MODIFICATION: Increase 7 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0113)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 438.09 kg\n Factor of Safety: 1.10\n Max Deflection: 7.49e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.08926263816807, + "fos_buckling": 1.0950821033382085, + "fos_yielding": 11.655306033512073, + "deflection": 0.007493616027050373, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.182)" + }, + "parent_node_id": "node_386", + "improvement_over_parent": null + }, + "node_388": { + "node_id": "node_388", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0112)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0146)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 555.15 kg\n Factor of Safety: 1.34\n Max Deflection: 5.95e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 555.1515515735301, + "fos_buckling": 1.3410421423516803, + "fos_yielding": 14.810304540369742, + "deflection": 0.005949274580880569, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.295)" + }, + "parent_node_id": "node_387", + "improvement_over_parent": null + }, + "node_389": { + "node_id": "node_389", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_388", + "improvement_over_parent": null + }, + "node_390": { + "node_id": "node_390", + "content": "INITIAL DESIGN (Trace 58)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 335.85 kg\n Factor of Safety: 0.26\n Max Deflection: 4.71e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.8501091841267, + "fos_buckling": 0.25783240869900215, + "fos_yielding": 2.738314875937454, + "deflection": 47082576438183.95, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_391": { + "node_id": "node_391", + "content": "MODIFICATION: Increase 0 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 354.49 kg\n Factor of Safety: 0.14\n Max Deflection: 1.38e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.48688086547725, + "fos_buckling": 0.14435965871257522, + "fos_yielding": 1.3622524365071214, + "deflection": 137588420095052.28, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.473)" + }, + "parent_node_id": "node_390", + "improvement_over_parent": null + }, + "node_392": { + "node_id": "node_392", + "content": "MODIFICATION: Increase 6 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 357.98 kg\n Factor of Safety: 0.11\n Max Deflection: 1.38e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.9796288494938, + "fos_buckling": 0.10706423150170293, + "fos_yielding": 0.9044732384287154, + "deflection": 137588420095052.23, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.623)" + }, + "parent_node_id": "node_391", + "improvement_over_parent": null + }, + "node_393": { + "node_id": "node_393", + "content": "MODIFICATION: Increase 7 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 373.88 kg\n Factor of Safety: 0.86\n Max Deflection: 1.26e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.87968363756437, + "fos_buckling": 0.8565138520136234, + "fos_yielding": 7.235785907429723, + "deflection": 12619667110583.13, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.362)" + }, + "parent_node_id": "node_392", + "improvement_over_parent": null + }, + "node_394": { + "node_id": "node_394", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 457.27 kg\n Factor of Safety: 1.00\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.2749160709258, + "fos_buckling": 0.9995724577182737, + "fos_yielding": 12.506295223753702, + "deflection": 0.007648988808431529, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_393", + "improvement_over_parent": null + }, + "node_395": { + "node_id": "node_395", + "content": "MODIFICATION: Increase 2 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 467.27 kg\n Factor of Safety: 1.00\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.27291719380526, + "fos_buckling": 0.9989423419294778, + "fos_yielding": 12.498411439022561, + "deflection": 0.0076538145340472935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.292)" + }, + "parent_node_id": "node_394", + "improvement_over_parent": null + }, + "node_396": { + "node_id": "node_396", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 531.41 kg\n Factor of Safety: 1.36\n Max Deflection: 6.17e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.4055700864259, + "fos_buckling": 1.364229667284224, + "fos_yielding": 13.759795607518495, + "deflection": 0.006165967803508221, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_395", + "improvement_over_parent": null + }, + "node_397": { + "node_id": "node_397", + "content": "MODIFICATION: Increase 10 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0117)]\n\nPerformance:\n Mass: 544.84 kg\n Factor of Safety: 1.36\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.8402181401601, + "fos_buckling": 1.3611604470507572, + "fos_yielding": 13.470452107517412, + "deflection": 0.006097571071494801, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.236)" + }, + "parent_node_id": "node_396", + "improvement_over_parent": null + }, + "node_398": { + "node_id": "node_398", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_397", + "improvement_over_parent": null + }, + "node_399": { + "node_id": "node_399", + "content": "INITIAL DESIGN (Trace 59)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 334.04 kg\n Factor of Safety: 0.89\n Max Deflection: 1.07e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.0401839933967, + "fos_buckling": 0.8854306932439374, + "fos_yielding": 7.235785907429723, + "deflection": 10717521169461.96, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_400": { + "node_id": "node_400", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 397.84 kg\n Factor of Safety: 0.43\n Max Deflection: 2.55e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.83979136687213, + "fos_buckling": 0.4303134249613755, + "fos_yielding": 3.6178929537148616, + "deflection": 25455523637599.645, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_399", + "improvement_over_parent": null + }, + "node_401": { + "node_id": "node_401", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 481.24 kg\n Factor of Safety: 1.00\n Max Deflection: 8.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.2350238002336, + "fos_buckling": 0.9978957628315127, + "fos_yielding": 9.529709395260305, + "deflection": 0.008158842961428409, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_400", + "improvement_over_parent": null + }, + "node_402": { + "node_id": "node_402", + "content": "MODIFICATION: Increase 1 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 495.86 kg\n Factor of Safety: 1.00\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.8616195070008, + "fos_buckling": 0.996977290285456, + "fos_yielding": 12.470666378783354, + "deflection": 0.007518495671425606, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.340)" + }, + "parent_node_id": "node_401", + "improvement_over_parent": null + }, + "node_403": { + "node_id": "node_403", + "content": "MODIFICATION: Increase 3 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.53 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.5286131037274, + "fos_buckling": 0.996977290285456, + "fos_yielding": 12.470666378783351, + "deflection": 0.007465253329906638, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.420)" + }, + "parent_node_id": "node_402", + "improvement_over_parent": null + }, + "node_404": { + "node_id": "node_404", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.13 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1313775642304, + "fos_buckling": 1.5373471556507936, + "fos_yielding": 14.265028943283395, + "deflection": 0.005955722761107408, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_403", + "improvement_over_parent": null + }, + "node_405": { + "node_id": "node_405", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_404", + "improvement_over_parent": null + }, + "node_406": { + "node_id": "node_406", + "content": "INITIAL DESIGN (Trace 60)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 284.72 kg\n Factor of Safety: 0.59\n Max Deflection: 1.68e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 284.71780692222904, + "fos_buckling": 0.5919741989875029, + "fos_yielding": 6.837830566628821, + "deflection": 0.01675759194023377, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_407": { + "node_id": "node_407", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0017)]\n\nPerformance:\n Mass: 288.51 kg\n Factor of Safety: 0.61\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.50622226455545, + "fos_buckling": 0.6138717575456601, + "fos_yielding": 4.577129413791677, + "deflection": 0.011487366414237055, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.001720)" + }, + "parent_node_id": "node_406", + "improvement_over_parent": null + }, + "node_408": { + "node_id": "node_408", + "content": "MODIFICATION: Increase 6 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0017)]\n\nPerformance:\n Mass: 299.93 kg\n Factor of Safety: 0.64\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 299.9294487679473, + "fos_buckling": 0.6392918087162549, + "fos_yielding": 4.7666655220795136, + "deflection": 0.01104833437337055, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.271)" + }, + "parent_node_id": "node_407", + "improvement_over_parent": null + }, + "node_409": { + "node_id": "node_409", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0020)]\n\nPerformance:\n Mass: 348.41 kg\n Factor of Safety: 0.74\n Max Deflection: 9.53e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.41482929957556, + "fos_buckling": 0.7397965003563789, + "fos_yielding": 5.559236093241751, + "deflection": 0.009534421667573931, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.171)" + }, + "parent_node_id": "node_408", + "improvement_over_parent": null + }, + "node_410": { + "node_id": "node_410", + "content": "MODIFICATION: Increase 5 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0020)]\n\nPerformance:\n Mass: 349.36 kg\n Factor of Safety: 0.73\n Max Deflection: 9.50e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.35911266322313, + "fos_buckling": 0.7340228411436438, + "fos_yielding": 5.515849655660534, + "deflection": 0.009499681355712435, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.208)" + }, + "parent_node_id": "node_409", + "improvement_over_parent": null + }, + "node_411": { + "node_id": "node_411", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0106)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n\nPerformance:\n Mass: 440.91 kg\n Factor of Safety: 0.92\n Max Deflection: 7.56e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.9075584919238, + "fos_buckling": 0.9196250302814576, + "fos_yielding": 7.015366701472255, + "deflection": 0.007562018646473839, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.282)" + }, + "parent_node_id": "node_410", + "improvement_over_parent": null + }, + "node_412": { + "node_id": "node_412", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0051)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0138)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n\nPerformance:\n Mass: 560.43 kg\n Factor of Safety: 1.16\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 560.4304683490548, + "fos_buckling": 1.157542610582972, + "fos_yielding": 9.01258728842584, + "deflection": 0.005984786909618952, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.299)" + }, + "parent_node_id": "node_411", + "improvement_over_parent": null + }, + "node_413": { + "node_id": "node_413", + "content": "MODIFICATION: Increase 5 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0080)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0138)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n\nPerformance:\n Mass: 564.82 kg\n Factor of Safety: 1.14\n Max Deflection: 5.95e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 564.8199258456682, + "fos_buckling": 1.141835778991189, + "fos_yielding": 8.890294433328043, + "deflection": 0.005946689895182483, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.550)" + }, + "parent_node_id": "node_412", + "improvement_over_parent": null + }, + "node_414": { + "node_id": "node_414", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_413", + "improvement_over_parent": null + }, + "node_415": { + "node_id": "node_415", + "content": "INITIAL DESIGN (Trace 61)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 400.88 kg\n Factor of Safety: 0.85\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 400.8766186764693, + "fos_buckling": 0.8545580133060061, + "fos_yielding": 10.370456666892066, + "deflection": 0.010905566728691073, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_416": { + "node_id": "node_416", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n\nPerformance:\n Mass: 411.58 kg\n Factor of Safety: 0.85\n Max Deflection: 8.99e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.5802140914487, + "fos_buckling": 0.8534005918096514, + "fos_yielding": 10.356410821804449, + "deflection": 0.008993872660958201, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005093)" + }, + "parent_node_id": "node_415", + "improvement_over_parent": null + }, + "node_417": { + "node_id": "node_417", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.90 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.90305362623576, + "fos_buckling": 0.9973537821973263, + "fos_yielding": 12.48556839310746, + "deflection": 0.007459554259232242, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.233)" + }, + "parent_node_id": "node_416", + "improvement_over_parent": null + }, + "node_418": { + "node_id": "node_418", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5058180867387, + "fos_buckling": 1.5381726210985882, + "fos_yielding": 14.27660623276132, + "deflection": 0.005951580654862096, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_417", + "improvement_over_parent": null + }, + "node_419": { + "node_id": "node_419", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_418", + "improvement_over_parent": null + }, + "node_420": { + "node_id": "node_420", + "content": "INITIAL DESIGN (Trace 62)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 278.28 kg\n Factor of Safety: 0.71\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.28440311247846, + "fos_buckling": 0.706056946689416, + "fos_yielding": 8.324599243501565, + "deflection": 0.013804201530903948, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_421": { + "node_id": "node_421", + "content": "MODIFICATION: Increase 2 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 285.88 kg\n Factor of Safety: 0.71\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 285.8828480261975, + "fos_buckling": 0.7057148151319977, + "fos_yielding": 8.320565421417642, + "deflection": 0.013810875869622307, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.339)" + }, + "parent_node_id": "node_420", + "improvement_over_parent": null + }, + "node_422": { + "node_id": "node_422", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 352.35 kg\n Factor of Safety: 0.84\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.34642592838276, + "fos_buckling": 0.8436647122016939, + "fos_yielding": 10.212323651596337, + "deflection": 0.011259373941153703, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_421", + "improvement_over_parent": null + }, + "node_423": { + "node_id": "node_423", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 434.50 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.4972416091447, + "fos_buckling": 1.0009263847192933, + "fos_yielding": 12.5289553283184, + "deflection": 0.009184339840809424, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.256)" + }, + "parent_node_id": "node_422", + "improvement_over_parent": null + }, + "node_424": { + "node_id": "node_424", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.10 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.10000606964763, + "fos_buckling": 0.9979250023011373, + "fos_yielding": 12.491385945780012, + "deflection": 0.007458214861664789, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_423", + "improvement_over_parent": null + }, + "node_425": { + "node_id": "node_425", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 530.22 kg\n Factor of Safety: 1.47\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.2228434768242, + "fos_buckling": 1.473706058396023, + "fos_yielding": 14.834574839844109, + "deflection": 0.006073423809520145, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006949)" + }, + "parent_node_id": "node_424", + "improvement_over_parent": null + }, + "node_426": { + "node_id": "node_426", + "content": "MODIFICATION: Increase 9 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0118)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 545.40 kg\n Factor of Safety: 1.47\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.4015613267401, + "fos_buckling": 1.4699185574975413, + "fos_yielding": 14.40110579425111, + "deflection": 0.005992339293983494, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.364)" + }, + "parent_node_id": "node_425", + "improvement_over_parent": null + }, + "node_427": { + "node_id": "node_427", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_426", + "improvement_over_parent": null + }, + "node_428": { + "node_id": "node_428", + "content": "INITIAL DESIGN (Trace 63)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 308.27 kg\n Factor of Safety: 0.36\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 308.27389112221425, + "fos_buckling": 0.3554776364231402, + "fos_yielding": 3.698765662556658, + "deflection": 0.016740206628833368, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_429": { + "node_id": "node_429", + "content": "MODIFICATION: Increase 0 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 323.28 kg\n Factor of Safety: 0.36\n Max Deflection: 1.61e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 323.2761925664242, + "fos_buckling": 0.35514194778679137, + "fos_yielding": 3.6952728026008783, + "deflection": 0.016085293742183315, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.560)" + }, + "parent_node_id": "node_428", + "improvement_over_parent": null + }, + "node_430": { + "node_id": "node_430", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 381.85 kg\n Factor of Safety: 1.01\n Max Deflection: 8.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.8466387780013, + "fos_buckling": 1.0112026480408185, + "fos_yielding": 10.13072387131153, + "deflection": 0.008458042059269715, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007384)" + }, + "parent_node_id": "node_429", + "improvement_over_parent": null + }, + "node_431": { + "node_id": "node_431", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 470.83 kg\n Factor of Safety: 1.21\n Max Deflection: 6.90e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.833133103952, + "fos_buckling": 1.2110611758943899, + "fos_yielding": 12.514399059158576, + "deflection": 0.006896573055098146, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.252)" + }, + "parent_node_id": "node_430", + "improvement_over_parent": null + }, + "node_432": { + "node_id": "node_432", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.14 kg\n Factor of Safety: 1.37\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.1440337842442, + "fos_buckling": 1.3661805838091514, + "fos_yielding": 14.48445780486833, + "deflection": 0.005993825014311111, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.171)" + }, + "parent_node_id": "node_431", + "improvement_over_parent": null + }, + "node_433": { + "node_id": "node_433", + "content": "MODIFICATION: Increase 6 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.65 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6481090773666, + "fos_buckling": 1.5383891496044706, + "fos_yielding": 14.2801491596974, + "deflection": 0.0059500822554226646, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.385)" + }, + "parent_node_id": "node_432", + "improvement_over_parent": null + }, + "node_434": { + "node_id": "node_434", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_433", + "improvement_over_parent": null + }, + "node_435": { + "node_id": "node_435", + "content": "INITIAL DESIGN (Trace 64)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_436": { + "node_id": "node_436", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.75 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.748726752415, + "fos_buckling": 0.5954630309595418, + "fos_yielding": 7.1036692898759615, + "deflection": 0.012199504690460918, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_435", + "improvement_over_parent": null + }, + "node_437": { + "node_id": "node_437", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8813796450356, + "fos_buckling": 0.5930545282405624, + "fos_yielding": 7.075369929738384, + "deflection": 0.011030294185434077, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_436", + "improvement_over_parent": null + }, + "node_438": { + "node_id": "node_438", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2766120783971, + "fos_buckling": 1.5376652864382843, + "fos_yielding": 14.269784411122624, + "deflection": 0.005954069601286748, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_437", + "improvement_over_parent": null + }, + "node_439": { + "node_id": "node_439", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_438", + "improvement_over_parent": null + }, + "node_440": { + "node_id": "node_440", + "content": "INITIAL DESIGN (Trace 65)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 412.91 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.90660147739914, + "fos_buckling": 0.5948403390756982, + "fos_yielding": 7.096353133802768, + "deflection": 0.012206365695019315, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_441": { + "node_id": "node_441", + "content": "MODIFICATION: Increase 5 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.28 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.28297600745407, + "fos_buckling": 0.5948403390756983, + "fos_yielding": 7.096353133802769, + "deflection": 0.012206365695019313, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.359)" + }, + "parent_node_id": "node_440", + "improvement_over_parent": null + }, + "node_442": { + "node_id": "node_442", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.885740467957, + "fos_buckling": 0.5930544861557415, + "fos_yielding": 7.075369435221012, + "deflection": 0.011030255093237459, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_441", + "improvement_over_parent": null + }, + "node_443": { + "node_id": "node_443", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2809729013185, + "fos_buckling": 1.5376635535031307, + "fos_yielding": 14.26955545257856, + "deflection": 0.005954019805461383, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_442", + "improvement_over_parent": null + }, + "node_444": { + "node_id": "node_444", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_443", + "improvement_over_parent": null + }, + "node_445": { + "node_id": "node_445", + "content": "INITIAL DESIGN (Trace 66)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 392.82 kg\n Factor of Safety: 0.52\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.8228882776372, + "fos_buckling": 0.5235239137288088, + "fos_yielding": 4.464655162735059, + "deflection": 0.013505547704718804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_446": { + "node_id": "node_446", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 458.31 kg\n Factor of Safety: 0.59\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 458.3149739656209, + "fos_buckling": 0.5930210435770645, + "fos_yielding": 5.229859927678586, + "deflection": 0.011611220595038623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_445", + "improvement_over_parent": null + }, + "node_447": { + "node_id": "node_447", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 541.71 kg\n Factor of Safety: 1.28\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.7102063989823, + "fos_buckling": 1.276691297617507, + "fos_yielding": 10.13810298220291, + "deflection": 0.006114894077396076, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_446", + "improvement_over_parent": null + }, + "node_448": { + "node_id": "node_448", + "content": "MODIFICATION: Increase 5 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.93 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9261729021665, + "fos_buckling": 1.5367762081961025, + "fos_yielding": 14.256481144853154, + "deflection": 0.005957730834087494, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.529)" + }, + "parent_node_id": "node_447", + "improvement_over_parent": null + }, + "node_449": { + "node_id": "node_449", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_448", + "improvement_over_parent": null + }, + "node_450": { + "node_id": "node_450", + "content": "INITIAL DESIGN (Trace 67)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 278.40 kg\n Factor of Safety: 0.84\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.4019142879985, + "fos_buckling": 0.8446658640425496, + "fos_yielding": 7.216364991395464, + "deflection": 0.011442075828116422, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_451": { + "node_id": "node_451", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 310.19 kg\n Factor of Safety: 0.93\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 310.19164059458274, + "fos_buckling": 0.9331934174943175, + "fos_yielding": 8.047675261043223, + "deflection": 0.010288887831878177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_450", + "improvement_over_parent": null + }, + "node_452": { + "node_id": "node_452", + "content": "MODIFICATION: Increase 0 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 318.26 kg\n Factor of Safety: 0.93\n Max Deflection: 9.94e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.2626600384947, + "fos_buckling": 0.9273652020838945, + "fos_yielding": 8.396793451064285, + "deflection": 0.009937698760008672, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.280)" + }, + "parent_node_id": "node_451", + "improvement_over_parent": null + }, + "node_453": { + "node_id": "node_453", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 409.01 kg\n Factor of Safety: 1.16\n Max Deflection: 7.78e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 409.0061367989677, + "fos_buckling": 1.164048466526419, + "fos_yielding": 10.82054223029985, + "deflection": 0.007775856931253252, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_452", + "improvement_over_parent": null + }, + "node_454": { + "node_id": "node_454", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 512.73 kg\n Factor of Safety: 1.40\n Max Deflection: 6.24e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 512.7254992571767, + "fos_buckling": 1.4032769487260455, + "fos_yielding": 13.607045503141416, + "deflection": 0.00624215592371157, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.277)" + }, + "parent_node_id": "node_453", + "improvement_over_parent": null + }, + "node_455": { + "node_id": "node_455", + "content": "MODIFICATION: Increase 3 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.14 kg\n Factor of Safety: 1.47\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.1424133631139, + "fos_buckling": 1.4654223333323193, + "fos_yielding": 12.981746888379535, + "deflection": 0.006116623407469308, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.577)" + }, + "parent_node_id": "node_454", + "improvement_over_parent": null + }, + "node_456": { + "node_id": "node_456", + "content": "MODIFICATION: Increase 9 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.58 kg\n Factor of Safety: 1.52\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.5841390163583, + "fos_buckling": 1.5241435891264747, + "fos_yielding": 12.514951085160718, + "deflection": 0.006007035734852292, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.348)" + }, + "parent_node_id": "node_455", + "improvement_over_parent": null + }, + "node_457": { + "node_id": "node_457", + "content": "MODIFICATION: Increase 5 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.37 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3742911265258, + "fos_buckling": 1.537917388222177, + "fos_yielding": 14.263534659066538, + "deflection": 0.005953234665448893, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.176)" + }, + "parent_node_id": "node_456", + "improvement_over_parent": null + }, + "node_458": { + "node_id": "node_458", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_457", + "improvement_over_parent": null + }, + "node_459": { + "node_id": "node_459", + "content": "INITIAL DESIGN (Trace 68)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 203.83 kg\n Factor of Safety: 0.23\n Max Deflection: 4.59e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 203.82518005917018, + "fos_buckling": 0.23295981368488466, + "fos_yielding": 1.8089464768574308, + "deflection": 45893762630889.36, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_460": { + "node_id": "node_460", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n\nPerformance:\n Mass: 238.51 kg\n Factor of Safety: 0.35\n Max Deflection: 2.01e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.51000223146266, + "fos_buckling": 0.35222769276293286, + "fos_yielding": 3.9074837543153307, + "deflection": 0.020122787449627578, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004915)" + }, + "parent_node_id": "node_459", + "improvement_over_parent": null + }, + "node_461": { + "node_id": "node_461", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 283.62 kg\n Factor of Safety: 0.86\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 283.61534445468857, + "fos_buckling": 0.8600312347575113, + "fos_yielding": 7.130537467063533, + "deflection": 0.011633984527318385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005605)" + }, + "parent_node_id": "node_460", + "improvement_over_parent": null + }, + "node_462": { + "node_id": "node_462", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 344.00 kg\n Factor of Safety: 1.02\n Max Deflection: 9.62e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.0018564907377, + "fos_buckling": 1.0202146302682897, + "fos_yielding": 8.6588685323441, + "deflection": 0.00962354840736387, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_461", + "improvement_over_parent": null + }, + "node_463": { + "node_id": "node_463", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 408.96 kg\n Factor of Safety: 1.18\n Max Deflection: 8.12e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.960046191259, + "fos_buckling": 1.183788895425233, + "fos_yielding": 10.307159154737883, + "deflection": 0.008123603824202368, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_462", + "improvement_over_parent": null + }, + "node_464": { + "node_id": "node_464", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 524.43 kg\n Factor of Safety: 1.45\n Max Deflection: 6.37e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.425168735085, + "fos_buckling": 1.4525715325172393, + "fos_yielding": 13.248451873334275, + "deflection": 0.0063743686879796655, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_463", + "improvement_over_parent": null + }, + "node_465": { + "node_id": "node_465", + "content": "MODIFICATION: Increase 0 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.61 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.6128478186288, + "fos_buckling": 1.5362633827595937, + "fos_yielding": 14.252332807428036, + "deflection": 0.005961102302445625, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.572)" + }, + "parent_node_id": "node_464", + "improvement_over_parent": null + }, + "node_466": { + "node_id": "node_466", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_465", + "improvement_over_parent": null + }, + "node_467": { + "node_id": "node_467", + "content": "INITIAL DESIGN (Trace 69)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 357.77 kg\n Factor of Safety: 0.55\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.7731410328631, + "fos_buckling": 0.5455693252587686, + "fos_yielding": 6.399782381671543, + "deflection": 0.013562292229409467, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_468": { + "node_id": "node_468", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.80 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.795108564601, + "fos_buckling": 0.5955209663336384, + "fos_yielding": 7.104504193563602, + "deflection": 0.012198048584174281, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.126)" + }, + "parent_node_id": "node_467", + "improvement_over_parent": null + }, + "node_469": { + "node_id": "node_469", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.19 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.19034099796244, + "fos_buckling": 0.9981329061937784, + "fos_yielding": 12.49457630580365, + "deflection": 0.007456531478209336, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_468", + "improvement_over_parent": null + }, + "node_470": { + "node_id": "node_470", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 525.99 kg\n Factor of Safety: 1.45\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.9918344294047, + "fos_buckling": 1.4525742178361596, + "fos_yielding": 15.052195013671309, + "deflection": 0.0061144897183669986, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006286)" + }, + "parent_node_id": "node_469", + "improvement_over_parent": null + }, + "node_471": { + "node_id": "node_471", + "content": "MODIFICATION: Increase 9 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0163)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 562.55 kg\n Factor of Safety: 1.45\n Max Deflection: 5.79e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 562.5489818014644, + "fos_buckling": 1.4540704474508075, + "fos_yielding": 16.032355642994105, + "deflection": 0.00578913563092669, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.508)" + }, + "parent_node_id": "node_470", + "improvement_over_parent": null + }, + "node_472": { + "node_id": "node_472", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_471", + "improvement_over_parent": null + }, + "node_473": { + "node_id": "node_473", + "content": "INITIAL DESIGN (Trace 70)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 302.68 kg\n Factor of Safety: 0.66\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 302.6793590572562, + "fos_buckling": 0.6560198996752787, + "fos_yielding": 7.668345732287845, + "deflection": 0.01214781111672752, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_474": { + "node_id": "node_474", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 335.22 kg\n Factor of Safety: 0.72\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.2152494898101, + "fos_buckling": 0.7170877117134864, + "fos_yielding": 8.475294827179786, + "deflection": 0.010990860938319436, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_473", + "improvement_over_parent": null + }, + "node_475": { + "node_id": "node_475", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n\nPerformance:\n Mass: 367.19 kg\n Factor of Safety: 1.11\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.1858829095985, + "fos_buckling": 1.1065443525611398, + "fos_yielding": 9.55646986724379, + "deflection": 0.008762601774174626, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005649)" + }, + "parent_node_id": "node_474", + "improvement_over_parent": null + }, + "node_476": { + "node_id": "node_476", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 440.62 kg\n Factor of Safety: 1.29\n Max Deflection: 7.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.6241703103369, + "fos_buckling": 1.2917033429549005, + "fos_yielding": 11.485828558914852, + "deflection": 0.0073347040173320005, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_475", + "improvement_over_parent": null + }, + "node_477": { + "node_id": "node_477", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.56 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5646218797323, + "fos_buckling": 1.5382746994183367, + "fos_yielding": 14.279791241340481, + "deflection": 0.005950880299625624, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_476", + "improvement_over_parent": null + }, + "node_478": { + "node_id": "node_478", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_477", + "improvement_over_parent": null + }, + "node_479": { + "node_id": "node_479", + "content": "INITIAL DESIGN (Trace 71)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 385.08 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.0808316254428, + "fos_buckling": 0.5959788600163287, + "fos_yielding": 7.109729713575779, + "deflection": 0.012188942831355503, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_480": { + "node_id": "node_480", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 468.48 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 468.47606405880424, + "fos_buckling": 0.9988958057524646, + "fos_yielding": 12.503850640898019, + "deflection": 0.007450880200488257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_479", + "improvement_over_parent": null + }, + "node_481": { + "node_id": "node_481", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 532.61 kg\n Factor of Safety: 1.36\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.6087169514249, + "fos_buckling": 1.36353478460416, + "fos_yielding": 14.882214246946592, + "deflection": 0.006073884478181657, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_480", + "improvement_over_parent": null + }, + "node_482": { + "node_id": "node_482", + "content": "MODIFICATION: Increase 3 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2510926772899, + "fos_buckling": 1.5376086351902276, + "fos_yielding": 14.2706408405245, + "deflection": 0.005954241103828181, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.441)" + }, + "parent_node_id": "node_481", + "improvement_over_parent": null + }, + "node_483": { + "node_id": "node_483", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_482", + "improvement_over_parent": null + }, + "node_484": { + "node_id": "node_484", + "content": "INITIAL DESIGN (Trace 72)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 478.14 kg\n Factor of Safety: 0.93\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.1386214715718, + "fos_buckling": 0.9255294559293759, + "fos_yielding": 11.373308840692793, + "deflection": 0.01007675840102135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_485": { + "node_id": "node_485", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n\nPerformance:\n Mass: 486.00 kg\n Factor of Safety: 1.16\n Max Deflection: 6.79e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 486.00381277909804, + "fos_buckling": 1.160128575014335, + "fos_yielding": 9.107948330698852, + "deflection": 0.006792809840603353, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003668)" + }, + "parent_node_id": "node_484", + "improvement_over_parent": null + }, + "node_486": { + "node_id": "node_486", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n\nPerformance:\n Mass: 542.20 kg\n Factor of Safety: 1.28\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.2032505108574, + "fos_buckling": 1.283890030059672, + "fos_yielding": 10.204274423413436, + "deflection": 0.006107159256064163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.127)" + }, + "parent_node_id": "node_485", + "improvement_over_parent": null + }, + "node_487": { + "node_id": "node_487", + "content": "MODIFICATION: Increase 5 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0082)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n\nPerformance:\n Mass: 546.50 kg\n Factor of Safety: 1.27\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.4993786368312, + "fos_buckling": 1.2681115595572123, + "fos_yielding": 10.078868166476187, + "deflection": 0.00607049804567206, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.517)" + }, + "parent_node_id": "node_486", + "improvement_over_parent": null + }, + "node_488": { + "node_id": "node_488", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_487", + "improvement_over_parent": null + }, + "node_489": { + "node_id": "node_489", + "content": "INITIAL DESIGN (Trace 73)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 365.07 kg\n Factor of Safety: 1.01\n Max Deflection: 9.11e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.06877885227436, + "fos_buckling": 1.0093910113566575, + "fos_yielding": 9.156419699294428, + "deflection": 0.009114341789465658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_490": { + "node_id": "node_490", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 439.63 kg\n Factor of Safety: 1.18\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.62766371520706, + "fos_buckling": 1.1849360248583711, + "fos_yielding": 11.04321181391896, + "deflection": 0.007598929163392663, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.220)" + }, + "parent_node_id": "node_489", + "improvement_over_parent": null + }, + "node_491": { + "node_id": "node_491", + "content": "MODIFICATION: Increase 0 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 457.91 kg\n Factor of Safety: 1.10\n Max Deflection: 7.21e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.90649319622815, + "fos_buckling": 1.102026171776518, + "fos_yielding": 11.682918875015906, + "deflection": 0.007214398210530167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.548)" + }, + "parent_node_id": "node_490", + "improvement_over_parent": null + }, + "node_492": { + "node_id": "node_492", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.49 kg\n Factor of Safety: 1.23\n Max Deflection: 6.36e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.4860733757795, + "fos_buckling": 1.2349340815168843, + "fos_yielding": 13.326799903017898, + "deflection": 0.006356819493038389, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_491", + "improvement_over_parent": null + }, + "node_493": { + "node_id": "node_493", + "content": "MODIFICATION: Increase 7 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.71 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7133078469918, + "fos_buckling": 1.5386978611484665, + "fos_yielding": 14.28109741565098, + "deflection": 0.005949554171011331, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.475)" + }, + "parent_node_id": "node_492", + "improvement_over_parent": null + }, + "node_494": { + "node_id": "node_494", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_493", + "improvement_over_parent": null + }, + "node_495": { + "node_id": "node_495", + "content": "INITIAL DESIGN (Trace 74)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 312.63 kg\n Factor of Safety: 0.70\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.63286420333304, + "fos_buckling": 0.6955064095877629, + "fos_yielding": 8.187066964160625, + "deflection": 0.011380131511371405, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_496": { + "node_id": "node_496", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 406.25 kg\n Factor of Safety: 0.87\n Max Deflection: 8.81e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.2459538203257, + "fos_buckling": 0.8688979637237176, + "fos_yielding": 10.57635061358252, + "deflection": 0.008808974801116939, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_495", + "improvement_over_parent": null + }, + "node_497": { + "node_id": "node_497", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 460.27 kg\n Factor of Safety: 1.34\n Max Deflection: 7.03e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.2708660702579, + "fos_buckling": 1.3392882229011618, + "fos_yielding": 12.001756753467022, + "deflection": 0.007030051967685386, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007869)" + }, + "parent_node_id": "node_496", + "improvement_over_parent": null + }, + "node_498": { + "node_id": "node_498", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1810118855956, + "fos_buckling": 1.5374681888294095, + "fos_yielding": 14.26817158569394, + "deflection": 0.005955000151353682, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_497", + "improvement_over_parent": null + }, + "node_499": { + "node_id": "node_499", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_498", + "improvement_over_parent": null + }, + "node_500": { + "node_id": "node_500", + "content": "INITIAL DESIGN (Trace 75)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 367.05 kg\n Factor of Safety: 1.06\n Max Deflection: 8.88e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.0535765242946, + "fos_buckling": 1.055966767018679, + "fos_yielding": 9.409932167498413, + "deflection": 0.008884390302014336, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_501": { + "node_id": "node_501", + "content": "MODIFICATION: Increase 0 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 374.57 kg\n Factor of Safety: 1.02\n Max Deflection: 8.66e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.56539176635755, + "fos_buckling": 1.0205859024978292, + "fos_yielding": 9.674255307750615, + "deflection": 0.008657902120219964, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.222)" + }, + "parent_node_id": "node_500", + "improvement_over_parent": null + }, + "node_502": { + "node_id": "node_502", + "content": "MODIFICATION: Increase 7 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 384.20 kg\n Factor of Safety: 1.15\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.1955433887063, + "fos_buckling": 1.1504747988626378, + "fos_yielding": 10.000741188482044, + "deflection": 0.008383810491998569, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.209)" + }, + "parent_node_id": "node_501", + "improvement_over_parent": null + }, + "node_503": { + "node_id": "node_503", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 447.72 kg\n Factor of Safety: 1.31\n Max Deflection: 7.22e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.71564447111086, + "fos_buckling": 1.3089691818018145, + "fos_yielding": 11.670055053201501, + "deflection": 0.007222057436014465, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.178)" + }, + "parent_node_id": "node_502", + "improvement_over_parent": null + }, + "node_504": { + "node_id": "node_504", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3823406929645, + "fos_buckling": 1.5378989845445024, + "fos_yielding": 14.272057254990195, + "deflection": 0.00595315275726639, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_503", + "improvement_over_parent": null + }, + "node_505": { + "node_id": "node_505", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_504", + "improvement_over_parent": null + }, + "node_506": { + "node_id": "node_506", + "content": "INITIAL DESIGN (Trace 76)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 291.16 kg\n Factor of Safety: 0.90\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.1569788661449, + "fos_buckling": 0.9024143902755014, + "fos_yielding": 7.564165083518109, + "deflection": 0.011000032028232312, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_507": { + "node_id": "node_507", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 361.26 kg\n Factor of Safety: 1.09\n Max Deflection: 8.90e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.2639434172377, + "fos_buckling": 1.0911394934486185, + "fos_yielding": 9.39960146045512, + "deflection": 0.008903265885713321, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.255)" + }, + "parent_node_id": "node_506", + "improvement_over_parent": null + }, + "node_508": { + "node_id": "node_508", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 454.79 kg\n Factor of Safety: 1.33\n Max Deflection: 7.11e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.78924147824097, + "fos_buckling": 1.3261195418485834, + "fos_yielding": 11.856732494280832, + "deflection": 0.007112515908088972, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_507", + "improvement_over_parent": null + }, + "node_509": { + "node_id": "node_509", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3078668143842, + "fos_buckling": 1.5377669934277856, + "fos_yielding": 14.270701905011663, + "deflection": 0.005953731867009857, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.221)" + }, + "parent_node_id": "node_508", + "improvement_over_parent": null + }, + "node_510": { + "node_id": "node_510", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_509", + "improvement_over_parent": null + }, + "node_511": { + "node_id": "node_511", + "content": "INITIAL DESIGN (Trace 77)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 330.29 kg\n Factor of Safety: 0.78\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.28728880599846, + "fos_buckling": 0.783968188262717, + "fos_yielding": 7.031271838175264, + "deflection": 0.010947583182056965, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_512": { + "node_id": "node_512", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 335.63 kg\n Factor of Safety: 0.78\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.6317382402, + "fos_buckling": 0.7837018280268823, + "fos_yielding": 7.028882900392998, + "deflection": 0.010865119940673471, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.190)" + }, + "parent_node_id": "node_511", + "improvement_over_parent": null + }, + "node_513": { + "node_id": "node_513", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 374.75 kg\n Factor of Safety: 0.97\n Max Deflection: 8.64e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.74903981410694, + "fos_buckling": 0.974088342518635, + "fos_yielding": 10.562988010678191, + "deflection": 0.008640476217529607, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005577)" + }, + "parent_node_id": "node_512", + "improvement_over_parent": null + }, + "node_514": { + "node_id": "node_514", + "content": "MODIFICATION: Increase 2 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 386.13 kg\n Factor of Safety: 1.21\n Max Deflection: 8.43e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.1276422207186, + "fos_buckling": 1.2061829580082033, + "fos_yielding": 10.352442578815404, + "deflection": 0.008434967168968485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.506)" + }, + "parent_node_id": "node_513", + "improvement_over_parent": null + }, + "node_515": { + "node_id": "node_515", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 471.38 kg\n Factor of Safety: 1.42\n Max Deflection: 6.94e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.38382898682335, + "fos_buckling": 1.422615621588697, + "fos_yielding": 12.650356494999686, + "deflection": 0.006943070536012441, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_514", + "improvement_over_parent": null + }, + "node_516": { + "node_id": "node_516", + "content": "MODIFICATION: Increase 8 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0105)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 483.69 kg\n Factor of Safety: 1.45\n Max Deflection: 6.87e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.6901601479403, + "fos_buckling": 1.4539423959457392, + "fos_yielding": 12.376977571937333, + "deflection": 0.006866747166448383, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.235)" + }, + "parent_node_id": "node_515", + "improvement_over_parent": null + }, + "node_517": { + "node_id": "node_517", + "content": "MODIFICATION: Increase 0 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0105)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 497.58 kg\n Factor of Safety: 1.38\n Max Deflection: 6.55e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 497.58314145983195, + "fos_buckling": 1.379703380744967, + "fos_yielding": 12.971096305790319, + "deflection": 0.006552277591429873, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.357)" + }, + "parent_node_id": "node_516", + "improvement_over_parent": null + }, + "node_518": { + "node_id": "node_518", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0117)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 548.21 kg\n Factor of Safety: 1.49\n Max Deflection: 5.96e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 548.2074484130478, + "fos_buckling": 1.4912946925539443, + "fos_yielding": 14.30923109692836, + "deflection": 0.005964475911462594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_517", + "improvement_over_parent": null + }, + "node_519": { + "node_id": "node_519", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_518", + "improvement_over_parent": null + }, + "node_520": { + "node_id": "node_520", + "content": "INITIAL DESIGN (Trace 78)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 293.86 kg\n Factor of Safety: 0.21\n Max Deflection: 7.13e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 293.86042690051636, + "fos_buckling": 0.21412846300340585, + "fos_yielding": 3.473798228865035, + "deflection": 71252821077637.08, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_521": { + "node_id": "node_521", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 377.26 kg\n Factor of Safety: 0.43\n Max Deflection: 2.87e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 377.2556593338778, + "fos_buckling": 0.4302920486083999, + "fos_yielding": 3.6178929537148616, + "deflection": 28739799637267.87, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_520", + "improvement_over_parent": null + }, + "node_522": { + "node_id": "node_522", + "content": "MODIFICATION: Increase 0 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.70 kg\n Factor of Safety: 0.20\n Max Deflection: 7.00e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.6999643594454, + "fos_buckling": 0.20375420343478667, + "fos_yielding": 1.8089464768574308, + "deflection": 69976678747442.12, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.582)" + }, + "parent_node_id": "node_521", + "improvement_over_parent": null + }, + "node_523": { + "node_id": "node_523", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 446.09 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.0903099226641, + "fos_buckling": 0.5936832323226026, + "fos_yielding": 7.097536563420663, + "deflection": 0.012165715530170342, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006836)" + }, + "parent_node_id": "node_522", + "improvement_over_parent": null + }, + "node_524": { + "node_id": "node_524", + "content": "MODIFICATION: Increase 9 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.81 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.80515494496626, + "fos_buckling": 0.5930573792953974, + "fos_yielding": 7.075428560039372, + "deflection": 0.011032432007663542, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.387)" + }, + "parent_node_id": "node_523", + "improvement_over_parent": null + }, + "node_525": { + "node_id": "node_525", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2003873783277, + "fos_buckling": 1.537561015280489, + "fos_yielding": 14.268923763512996, + "deflection": 0.005954889002778085, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_524", + "improvement_over_parent": null + }, + "node_526": { + "node_id": "node_526", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_525", + "improvement_over_parent": null + }, + "node_527": { + "node_id": "node_527", + "content": "INITIAL DESIGN (Trace 79)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 387.37 kg\n Factor of Safety: 0.85\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.3721140844759, + "fos_buckling": 0.8549057132503926, + "fos_yielding": 10.374890117466089, + "deflection": 0.009020299018957494, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_528": { + "node_id": "node_528", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 469.57 kg\n Factor of Safety: 1.00\n Max Deflection: 7.48e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.5656573050582, + "fos_buckling": 0.9988361332392838, + "fos_yielding": 12.502778035279349, + "deflection": 0.007483538725497421, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.232)" + }, + "parent_node_id": "node_527", + "improvement_over_parent": null + }, + "node_529": { + "node_id": "node_529", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 470.99 kg\n Factor of Safety: 1.00\n Max Deflection: 7.48e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.98688305718764, + "fos_buckling": 0.9988361332392838, + "fos_yielding": 12.502778035279347, + "deflection": 0.007483538725497421, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.190)" + }, + "parent_node_id": "node_528", + "improvement_over_parent": null + }, + "node_530": { + "node_id": "node_530", + "content": "MODIFICATION: Increase 4 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 474.43 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.43358574467703, + "fos_buckling": 0.9984021981782254, + "fos_yielding": 12.49734631973603, + "deflection": 0.007453308474758426, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.397)" + }, + "parent_node_id": "node_529", + "improvement_over_parent": null + }, + "node_531": { + "node_id": "node_531", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 522.04 kg\n Factor of Safety: 1.43\n Max Deflection: 6.16e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 522.03635020518, + "fos_buckling": 1.4314654052942455, + "fos_yielding": 15.275238992547324, + "deflection": 0.006158291751660076, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_530", + "improvement_over_parent": null + }, + "node_532": { + "node_id": "node_532", + "content": "MODIFICATION: Increase 9 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0180)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 569.03 kg\n Factor of Safety: 1.55\n Max Deflection: 5.71e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 569.030272949747, + "fos_buckling": 1.5486663644154814, + "fos_yielding": 16.380027128735847, + "deflection": 0.005707947917825873, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.664)" + }, + "parent_node_id": "node_531", + "improvement_over_parent": null + }, + "node_533": { + "node_id": "node_533", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_532", + "improvement_over_parent": null + }, + "node_534": { + "node_id": "node_534", + "content": "INITIAL DESIGN (Trace 80)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 299.53 kg\n Factor of Safety: 0.94\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 299.5258017305124, + "fos_buckling": 0.9392177123597579, + "fos_yielding": 7.7087037524254605, + "deflection": 0.010790017417870392, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_535": { + "node_id": "node_535", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 378.46 kg\n Factor of Safety: 1.15\n Max Deflection: 8.58e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.45974053031625, + "fos_buckling": 1.151808250941445, + "fos_yielding": 9.755406587667132, + "deflection": 0.008579526984044926, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_534", + "improvement_over_parent": null + }, + "node_536": { + "node_id": "node_536", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 430.64 kg\n Factor of Safety: 1.28\n Max Deflection: 7.56e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.64007940432293, + "fos_buckling": 1.2845640013009956, + "fos_yielding": 11.112015453707317, + "deflection": 0.007563122274800417, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.148)" + }, + "parent_node_id": "node_535", + "improvement_over_parent": null + }, + "node_537": { + "node_id": "node_537", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 536.34 kg\n Factor of Safety: 1.53\n Max Deflection: 6.11e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 536.3364704462249, + "fos_buckling": 1.5347819174529418, + "fos_yielding": 13.868951624905458, + "deflection": 0.006110258164259086, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_536", + "improvement_over_parent": null + }, + "node_538": { + "node_id": "node_538", + "content": "MODIFICATION: Increase 0 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.86 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8626148790212, + "fos_buckling": 1.5367815073272042, + "fos_yielding": 14.25892998795963, + "deflection": 0.00595843037948475, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.200)" + }, + "parent_node_id": "node_537", + "improvement_over_parent": null + }, + "node_539": { + "node_id": "node_539", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_538", + "improvement_over_parent": null + }, + "node_540": { + "node_id": "node_540", + "content": "INITIAL DESIGN (Trace 81)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 291.36 kg\n Factor of Safety: 0.90\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.3599480954548, + "fos_buckling": 0.9029764931190339, + "fos_yielding": 7.569470985581568, + "deflection": 0.010992505168871418, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_541": { + "node_id": "node_541", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 376.96 kg\n Factor of Safety: 1.13\n Max Deflection: 8.54e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.9635269144012, + "fos_buckling": 1.1319175329620796, + "fos_yielding": 9.811379567853951, + "deflection": 0.008540601562181704, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.312)" + }, + "parent_node_id": "node_540", + "improvement_over_parent": null + }, + "node_542": { + "node_id": "node_542", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 427.57 kg\n Factor of Safety: 1.26\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.57427176559435, + "fos_buckling": 1.2597057090151988, + "fos_yielding": 11.140714820584577, + "deflection": 0.007552793682306774, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.144)" + }, + "parent_node_id": "node_541", + "improvement_over_parent": null + }, + "node_543": { + "node_id": "node_543", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.99 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.992593305324, + "fos_buckling": 1.5370685985289165, + "fos_yielding": 14.262369701781166, + "deflection": 0.005957056961023079, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.304)" + }, + "parent_node_id": "node_542", + "improvement_over_parent": null + }, + "node_544": { + "node_id": "node_544", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_543", + "improvement_over_parent": null + }, + "node_545": { + "node_id": "node_545", + "content": "INITIAL DESIGN (Trace 82)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 306.13 kg\n Factor of Safety: 0.62\n Max Deflection: 1.49e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 306.1289387423632, + "fos_buckling": 0.6151244486672388, + "fos_yielding": 6.337879427706182, + "deflection": 0.01490010853051761, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_546": { + "node_id": "node_546", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 364.88 kg\n Factor of Safety: 0.72\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.88104308054017, + "fos_buckling": 0.7210204967066476, + "fos_yielding": 7.574172101454714, + "deflection": 0.012510371874864265, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.206)" + }, + "parent_node_id": "node_545", + "improvement_over_parent": null + }, + "node_547": { + "node_id": "node_547", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 418.93 kg\n Factor of Safety: 0.76\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.931377054819, + "fos_buckling": 0.7629889314014423, + "fos_yielding": 8.0150418806898, + "deflection": 0.012410688105969108, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007873)" + }, + "parent_node_id": "node_546", + "improvement_over_parent": null + }, + "node_548": { + "node_id": "node_548", + "content": "MODIFICATION: Increase 1 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 434.52 kg\n Factor of Safety: 0.74\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.52144159145973, + "fos_buckling": 0.7354186872039852, + "fos_yielding": 9.200971424602905, + "deflection": 0.011466210939139193, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.460)" + }, + "parent_node_id": "node_547", + "improvement_over_parent": null + }, + "node_549": { + "node_id": "node_549", + "content": "MODIFICATION: Increase 9 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n\nPerformance:\n Mass: 448.79 kg\n Factor of Safety: 0.74\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.7890221947281, + "fos_buckling": 0.7357905470179104, + "fos_yielding": 9.205623837685978, + "deflection": 0.011465822752226094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.292)" + }, + "parent_node_id": "node_548", + "improvement_over_parent": null + }, + "node_550": { + "node_id": "node_550", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n\nPerformance:\n Mass: 459.72 kg\n Factor of Safety: 1.15\n Max Deflection: 7.24e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.71832432398355, + "fos_buckling": 1.145990313671215, + "fos_yielding": 11.185171411317876, + "deflection": 0.0072401095987492245, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005209)" + }, + "parent_node_id": "node_549", + "improvement_over_parent": null + }, + "node_551": { + "node_id": "node_551", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0123)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.36 kg\n Factor of Safety: 1.33\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.3625717264475, + "fos_buckling": 1.3275077676577203, + "fos_yielding": 13.31270454575334, + "deflection": 0.006130121926500702, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_550", + "improvement_over_parent": null + }, + "node_552": { + "node_id": "node_552", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_551", + "improvement_over_parent": null + }, + "node_553": { + "node_id": "node_553", + "content": "INITIAL DESIGN (Trace 83)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 297.68 kg\n Factor of Safety: 0.95\n Max Deflection: 2.10e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 297.6768880847771, + "fos_buckling": 0.9478923438928155, + "fos_yielding": 10.438142577660603, + "deflection": 20953911264903.62, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_554": { + "node_id": "node_554", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 352.04 kg\n Factor of Safety: 0.52\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.04481867543495, + "fos_buckling": 0.5201593462316315, + "fos_yielding": 6.053214997425199, + "deflection": 0.014343817726325248, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007923)" + }, + "parent_node_id": "node_553", + "improvement_over_parent": null + }, + "node_555": { + "node_id": "node_555", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 422.74 kg\n Factor of Safety: 0.87\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.7446358272432, + "fos_buckling": 0.8725082507195787, + "fos_yielding": 10.629891054835465, + "deflection": 0.008762374102850455, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009035)" + }, + "parent_node_id": "node_554", + "improvement_over_parent": null + }, + "node_556": { + "node_id": "node_556", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.95 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.94650457218984, + "fos_buckling": 0.9974199265406951, + "fos_yielding": 12.486586252007987, + "deflection": 0.00745893047732722, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.198)" + }, + "parent_node_id": "node_555", + "improvement_over_parent": null + }, + "node_557": { + "node_id": "node_557", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.55 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5492690326928, + "fos_buckling": 1.5382629749623533, + "fos_yielding": 14.278492677181548, + "deflection": 0.005951096829576527, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_556", + "improvement_over_parent": null + }, + "node_558": { + "node_id": "node_558", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_557", + "improvement_over_parent": null + }, + "node_559": { + "node_id": "node_559", + "content": "INITIAL DESIGN (Trace 84)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 334.43 kg\n Factor of Safety: 1.02\n Max Deflection: 9.78e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.43351466233094, + "fos_buckling": 1.0188771692065373, + "fos_yielding": 8.784834356514226, + "deflection": 0.009784187168104693, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_560": { + "node_id": "node_560", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 437.69 kg\n Factor of Safety: 1.28\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.6892817389172, + "fos_buckling": 1.2816427899775462, + "fos_yielding": 11.512424343404716, + "deflection": 0.007519548143089234, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_559", + "improvement_over_parent": null + }, + "node_561": { + "node_id": "node_561", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 516.95 kg\n Factor of Safety: 1.47\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 516.9513913668765, + "fos_buckling": 1.4673789656853873, + "fos_yielding": 13.611271914476358, + "deflection": 0.0063947625911636545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.198)" + }, + "parent_node_id": "node_560", + "improvement_over_parent": null + }, + "node_562": { + "node_id": "node_562", + "content": "MODIFICATION: Increase 8 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 526.54 kg\n Factor of Safety: 1.47\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.5360007539293, + "fos_buckling": 1.4693982103703132, + "fos_yielding": 13.345957545809123, + "deflection": 0.006331236027108905, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.193)" + }, + "parent_node_id": "node_561", + "improvement_over_parent": null + }, + "node_563": { + "node_id": "node_563", + "content": "MODIFICATION: Increase 1 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.55 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5536266944697, + "fos_buckling": 1.5382788005772687, + "fos_yielding": 14.27921990859853, + "deflection": 0.005950988008074083, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.524)" + }, + "parent_node_id": "node_562", + "improvement_over_parent": null + }, + "node_564": { + "node_id": "node_564", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_563", + "improvement_over_parent": null + }, + "node_565": { + "node_id": "node_565", + "content": "INITIAL DESIGN (Trace 85)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 441.31 kg\n Factor of Safety: 1.12\n Max Deflection: 7.35e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.31179363279773, + "fos_buckling": 1.1184443119714096, + "fos_yielding": 12.330208644603486, + "deflection": 0.007348290609735291, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_566": { + "node_id": "node_566", + "content": "MODIFICATION: Increase 10 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 459.43 kg\n Factor of Safety: 1.31\n Max Deflection: 6.96e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.42798047064935, + "fos_buckling": 1.307339873968333, + "fos_yielding": 13.038223707212563, + "deflection": 0.0069646781524695745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.359)" + }, + "parent_node_id": "node_565", + "improvement_over_parent": null + }, + "node_567": { + "node_id": "node_567", + "content": "MODIFICATION: Increase 9 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 468.25 kg\n Factor of Safety: 1.31\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 468.25291040648335, + "fos_buckling": 1.310077700533349, + "fos_yielding": 12.738673193251214, + "deflection": 0.006884816551218696, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.203)" + }, + "parent_node_id": "node_566", + "improvement_over_parent": null + }, + "node_568": { + "node_id": "node_568", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 536.98 kg\n Factor of Safety: 1.47\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 536.9825715674739, + "fos_buckling": 1.4712011587739526, + "fos_yielding": 14.62553934657736, + "deflection": 0.006028624893753989, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.161)" + }, + "parent_node_id": "node_567", + "improvement_over_parent": null + }, + "node_569": { + "node_id": "node_569", + "content": "MODIFICATION: Increase 2 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9763394650054, + "fos_buckling": 1.5370395270151778, + "fos_yielding": 14.263895869435236, + "deflection": 0.005957053419718082, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.256)" + }, + "parent_node_id": "node_568", + "improvement_over_parent": null + }, + "node_570": { + "node_id": "node_570", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_569", + "improvement_over_parent": null + }, + "node_571": { + "node_id": "node_571", + "content": "INITIAL DESIGN (Trace 86)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 436.43 kg\n Factor of Safety: 1.01\n Max Deflection: 7.58e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.4255564479875, + "fos_buckling": 1.0137235498182913, + "fos_yielding": 11.780674675151262, + "deflection": 0.007576185743258391, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_572": { + "node_id": "node_572", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 506.77 kg\n Factor of Safety: 1.16\n Max Deflection: 6.55e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 506.765612993403, + "fos_buckling": 1.1572696006485905, + "fos_yielding": 13.698622348068335, + "deflection": 0.0065485503772157415, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_571", + "improvement_over_parent": null + }, + "node_573": { + "node_id": "node_573", + "content": "MODIFICATION: Increase 7 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.91 kg\n Factor of Safety: 1.40\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.9056875013734, + "fos_buckling": 1.3989486059007337, + "fos_yielding": 14.788837778221117, + "deflection": 0.006059451152505855, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.529)" + }, + "parent_node_id": "node_572", + "improvement_over_parent": null + }, + "node_574": { + "node_id": "node_574", + "content": "MODIFICATION: Increase 2 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.05 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0467033707171, + "fos_buckling": 1.5371008319538457, + "fos_yielding": 14.264294379062957, + "deflection": 0.005956386866478711, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.376)" + }, + "parent_node_id": "node_573", + "improvement_over_parent": null + }, + "node_575": { + "node_id": "node_575", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_574", + "improvement_over_parent": null + }, + "node_576": { + "node_id": "node_576", + "content": "INITIAL DESIGN (Trace 87)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 490.36 kg\n Factor of Safety: 0.91\n Max Deflection: 6.80e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.35837844098813, + "fos_buckling": 0.91277530675016, + "fos_yielding": 9.563313228406125, + "deflection": 0.0068001815369022585, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_577": { + "node_id": "node_577", + "content": "MODIFICATION: Increase 9 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 510.60 kg\n Factor of Safety: 0.92\n Max Deflection: 6.64e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 510.60349971817584, + "fos_buckling": 0.915592436690834, + "fos_yielding": 9.59282881217417, + "deflection": 0.006643897186689413, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.506)" + }, + "parent_node_id": "node_576", + "improvement_over_parent": null + }, + "node_578": { + "node_id": "node_578", + "content": "MODIFICATION: Increase 4 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 511.81 kg\n Factor of Safety: 1.07\n Max Deflection: 6.59e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 511.8072400786415, + "fos_buckling": 1.0727193916117193, + "fos_yielding": 11.478474312602426, + "deflection": 0.006588626148784868, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.238)" + }, + "parent_node_id": "node_577", + "improvement_over_parent": null + }, + "node_579": { + "node_id": "node_579", + "content": "MODIFICATION: Increase 4 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 514.88 kg\n Factor of Safety: 1.15\n Max Deflection: 6.51e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 514.8806880175605, + "fos_buckling": 1.1527081566164132, + "fos_yielding": 13.008939426850105, + "deflection": 0.006505604956209388, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.513)" + }, + "parent_node_id": "node_578", + "improvement_over_parent": null + }, + "node_580": { + "node_id": "node_580", + "content": "MODIFICATION: Increase 7 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2397726871336, + "fos_buckling": 1.5373390129572462, + "fos_yielding": 14.268594251001595, + "deflection": 0.005954455560981381, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.661)" + }, + "parent_node_id": "node_579", + "improvement_over_parent": null + }, + "node_581": { + "node_id": "node_581", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_580", + "improvement_over_parent": null + }, + "node_582": { + "node_id": "node_582", + "content": "INITIAL DESIGN (Trace 88)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 323.82 kg\n Factor of Safety: 0.82\n Max Deflection: 1.91e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 323.81730018859514, + "fos_buckling": 0.8160535345845626, + "fos_yielding": 9.48595294558189, + "deflection": 1906665938774.2224, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_583": { + "node_id": "node_583", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 360.40 kg\n Factor of Safety: 0.81\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.40149522658567, + "fos_buckling": 0.8055856876479088, + "fos_yielding": 9.680004916212159, + "deflection": 0.011702653511388722, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006522)" + }, + "parent_node_id": "node_582", + "improvement_over_parent": null + }, + "node_584": { + "node_id": "node_584", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n\nPerformance:\n Mass: 370.37 kg\n Factor of Safety: 0.80\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.367953613716, + "fos_buckling": 0.8045671769134448, + "fos_yielding": 9.667766380860796, + "deflection": 0.00980454980008316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004717)" + }, + "parent_node_id": "node_583", + "improvement_over_parent": null + }, + "node_585": { + "node_id": "node_585", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 429.23 kg\n Factor of Safety: 0.91\n Max Deflection: 8.49e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.23045608050614, + "fos_buckling": 0.9090985376401568, + "fos_yielding": 11.15917409068856, + "deflection": 0.008491989217353066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_584", + "improvement_over_parent": null + }, + "node_586": { + "node_id": "node_586", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0057)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 430.75 kg\n Factor of Safety: 0.91\n Max Deflection: 8.47e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.745368388715, + "fos_buckling": 0.9090985376401568, + "fos_yielding": 11.159174090688559, + "deflection": 0.00847133859572629, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.195)" + }, + "parent_node_id": "node_585", + "improvement_over_parent": null + }, + "node_587": { + "node_id": "node_587", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0065)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 483.80 kg\n Factor of Safety: 1.00\n Max Deflection: 7.57e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.7973021021667, + "fos_buckling": 0.9977455379691867, + "fos_yielding": 12.488899751599334, + "deflection": 0.007567693092073043, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_586", + "improvement_over_parent": null + }, + "node_588": { + "node_id": "node_588", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0065)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 531.40 kg\n Factor of Safety: 1.49\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.4000665626697, + "fos_buckling": 1.4872574067463658, + "fos_yielding": 14.817240001453772, + "deflection": 0.006071077735650714, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_587", + "improvement_over_parent": null + }, + "node_589": { + "node_id": "node_589", + "content": "MODIFICATION: Increase 9 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0065)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0084)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 535.22 kg\n Factor of Safety: 1.48\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.2164558552709, + "fos_buckling": 1.4776613129318725, + "fos_yielding": 16.27724784600273, + "deflection": 0.005998201819312482, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.335)" + }, + "parent_node_id": "node_588", + "improvement_over_parent": null + }, + "node_590": { + "node_id": "node_590", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_589", + "improvement_over_parent": null + }, + "node_591": { + "node_id": "node_591", + "content": "INITIAL DESIGN (Trace 89)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_592": { + "node_id": "node_592", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 388.36 kg\n Factor of Safety: 0.39\n Max Deflection: 3.79e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.3562511264694, + "fos_buckling": 0.3850678264613854, + "fos_yielding": 4.8637997135302635, + "deflection": 0.0379273807967681, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007573)" + }, + "parent_node_id": "node_591", + "improvement_over_parent": null + }, + "node_593": { + "node_id": "node_593", + "content": "MODIFICATION: Increase 8 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 403.11 kg\n Factor of Safety: 0.46\n Max Deflection: 3.53e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.11305054175205, + "fos_buckling": 0.4647973282317872, + "fos_yielding": 5.710218301283143, + "deflection": 0.03527129668518209, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.267)" + }, + "parent_node_id": "node_592", + "improvement_over_parent": null + }, + "node_594": { + "node_id": "node_594", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 477.83 kg\n Factor of Safety: 0.93\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.83245205633165, + "fos_buckling": 0.9250223444735057, + "fos_yielding": 11.365619515658373, + "deflection": 0.01008293964807063, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009593)" + }, + "parent_node_id": "node_593", + "improvement_over_parent": null + }, + "node_595": { + "node_id": "node_595", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.06 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.0593513269152, + "fos_buckling": 1.0112651390323706, + "fos_yielding": 12.657275718334375, + "deflection": 0.009053997673093098, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.127)" + }, + "parent_node_id": "node_594", + "improvement_over_parent": null + }, + "node_596": { + "node_id": "node_596", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.03 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0288708364701, + "fos_buckling": 1.5371309312034136, + "fos_yielding": 14.269785746663757, + "deflection": 0.00595654672599104, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_595", + "improvement_over_parent": null + }, + "node_597": { + "node_id": "node_597", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_596", + "improvement_over_parent": null + }, + "node_598": { + "node_id": "node_598", + "content": "INITIAL DESIGN (Trace 90)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 228.71 kg\n Factor of Safety: 0.36\n Max Deflection: 2.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 228.7149415180241, + "fos_buckling": 0.3583126111436827, + "fos_yielding": 3.980926195842786, + "deflection": 0.02191306179831352, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_599": { + "node_id": "node_599", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n\nPerformance:\n Mass: 254.93 kg\n Factor of Safety: 0.36\n Max Deflection: 1.98e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 254.9332793662059, + "fos_buckling": 0.3577123569457211, + "fos_yielding": 3.9743137342758352, + "deflection": 0.019778446459530877, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.004583)" + }, + "parent_node_id": "node_598", + "improvement_over_parent": null + }, + "node_600": { + "node_id": "node_600", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 300.87 kg\n Factor of Safety: 0.93\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 300.86775751747314, + "fos_buckling": 0.9292001893569555, + "fos_yielding": 7.817939643728095, + "deflection": 0.01065131284092308, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005713)" + }, + "parent_node_id": "node_599", + "improvement_over_parent": null + }, + "node_601": { + "node_id": "node_601", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 365.31 kg\n Factor of Safety: 1.10\n Max Deflection: 8.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.30702534710554, + "fos_buckling": 1.1016877850727684, + "fos_yielding": 9.50546142949648, + "deflection": 0.008806900123675042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.227)" + }, + "parent_node_id": "node_600", + "improvement_over_parent": null + }, + "node_602": { + "node_id": "node_602", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 447.11 kg\n Factor of Safety: 1.31\n Max Deflection: 7.23e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.1095682596548, + "fos_buckling": 1.3075358504007761, + "fos_yielding": 11.654405519307884, + "deflection": 0.007231336295250051, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_601", + "improvement_over_parent": null + }, + "node_603": { + "node_id": "node_603", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.46 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4565973171474, + "fos_buckling": 1.5380916601118853, + "fos_yielding": 14.274399033409516, + "deflection": 0.005952171686539791, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_602", + "improvement_over_parent": null + }, + "node_604": { + "node_id": "node_604", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_603", + "improvement_over_parent": null + }, + "node_605": { + "node_id": "node_605", + "content": "INITIAL DESIGN (Trace 91)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0030)]\n\nPerformance:\n Mass: 313.79 kg\n Factor of Safety: 0.63\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.788234443272, + "fos_buckling": 0.626943311250666, + "fos_yielding": 6.031791257940708, + "deflection": 0.011068971613186037, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_606": { + "node_id": "node_606", + "content": "MODIFICATION: Increase 10 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 322.18 kg\n Factor of Safety: 0.75\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 322.18043567173356, + "fos_buckling": 0.7529698353059279, + "fos_yielding": 6.427501113348434, + "deflection": 0.010403479210827276, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.351)" + }, + "parent_node_id": "node_605", + "improvement_over_parent": null + }, + "node_607": { + "node_id": "node_607", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 412.44 kg\n Factor of Safety: 0.94\n Max Deflection: 8.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.4435574088583, + "fos_buckling": 0.9449593098530805, + "fos_yielding": 8.277382317817889, + "deflection": 0.008162372112386932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.300)" + }, + "parent_node_id": "node_606", + "improvement_over_parent": null + }, + "node_608": { + "node_id": "node_608", + "content": "MODIFICATION: Increase 10 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 436.97 kg\n Factor of Safety: 1.15\n Max Deflection: 7.48e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.96631782334487, + "fos_buckling": 1.152048012589782, + "fos_yielding": 9.057270935108878, + "deflection": 0.007481879277151897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.618)" + }, + "parent_node_id": "node_607", + "improvement_over_parent": null + }, + "node_609": { + "node_id": "node_609", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.28 kg\n Factor of Safety: 1.40\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.2788672341875, + "fos_buckling": 1.404364034728884, + "fos_yielding": 11.334000740835766, + "deflection": 0.006053789556522179, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.267)" + }, + "parent_node_id": "node_608", + "improvement_over_parent": null + }, + "node_610": { + "node_id": "node_610", + "content": "MODIFICATION: Increase 5 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2921164990074, + "fos_buckling": 1.5376416159321755, + "fos_yielding": 14.277648131019046, + "deflection": 0.005953680364342681, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.332)" + }, + "parent_node_id": "node_609", + "improvement_over_parent": null + }, + "node_611": { + "node_id": "node_611", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_610", + "improvement_over_parent": null + }, + "node_612": { + "node_id": "node_612", + "content": "INITIAL DESIGN (Trace 92)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 374.37 kg\n Factor of Safety: 0.84\n Max Deflection: 9.19e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.36827779399306, + "fos_buckling": 0.8383678436650753, + "fos_yielding": 10.140054254008334, + "deflection": 0.009188054467299681, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_613": { + "node_id": "node_613", + "content": "MODIFICATION: Increase 2 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 388.67 kg\n Factor of Safety: 0.84\n Max Deflection: 9.20e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.6736287991305, + "fos_buckling": 0.8376079549782693, + "fos_yielding": 10.130863404705794, + "deflection": 0.009196391162535197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.639)" + }, + "parent_node_id": "node_612", + "improvement_over_parent": null + }, + "node_614": { + "node_id": "node_614", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.13 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1294456727694, + "fos_buckling": 0.9980810108272202, + "fos_yielding": 12.493773280975416, + "deflection": 0.007456860471638335, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_613", + "improvement_over_parent": null + }, + "node_615": { + "node_id": "node_615", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.26209856539, + "fos_buckling": 1.537595425600418, + "fos_yielding": 14.272192515099583, + "deflection": 0.0059540373640412335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_614", + "improvement_over_parent": null + }, + "node_616": { + "node_id": "node_616", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_615", + "improvement_over_parent": null + }, + "node_617": { + "node_id": "node_617", + "content": "INITIAL DESIGN (Trace 93)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n\nPerformance:\n Mass: 374.74 kg\n Factor of Safety: 0.87\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.7405835017346, + "fos_buckling": 0.8711046064691872, + "fos_yielding": 8.220383480870744, + "deflection": 0.010290554481201954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_618": { + "node_id": "node_618", + "content": "MODIFICATION: Increase 9 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 391.76 kg\n Factor of Safety: 0.87\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.75863091941466, + "fos_buckling": 0.8701657405226297, + "fos_yielding": 8.21152365156836, + "deflection": 0.009795114779500937, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.447)" + }, + "parent_node_id": "node_617", + "improvement_over_parent": null + }, + "node_619": { + "node_id": "node_619", + "content": "MODIFICATION: Increase 3 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 394.52 kg\n Factor of Safety: 0.87\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.51550213791177, + "fos_buckling": 0.8701657405226297, + "fos_yielding": 8.211523651568358, + "deflection": 0.009795114779500937, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.553)" + }, + "parent_node_id": "node_618", + "improvement_over_parent": null + }, + "node_620": { + "node_id": "node_620", + "content": "MODIFICATION: Increase 5 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 395.94 kg\n Factor of Safety: 0.87\n Max Deflection: 9.75e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.93851050618997, + "fos_buckling": 0.8701657405226297, + "fos_yielding": 8.211523651568358, + "deflection": 0.009754843932598945, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.229)" + }, + "parent_node_id": "node_619", + "improvement_over_parent": null + }, + "node_621": { + "node_id": "node_621", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 436.08 kg\n Factor of Safety: 1.17\n Max Deflection: 7.57e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.0814090863661, + "fos_buckling": 1.1742078798360542, + "fos_yielding": 11.101903647809811, + "deflection": 0.007565936245255326, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007207)" + }, + "parent_node_id": "node_620", + "improvement_over_parent": null + }, + "node_622": { + "node_id": "node_622", + "content": "MODIFICATION: Increase 0 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 447.78 kg\n Factor of Safety: 1.18\n Max Deflection: 7.28e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.78248124173706, + "fos_buckling": 1.1767933611640442, + "fos_yielding": 11.566287151092665, + "deflection": 0.007284349188316334, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.312)" + }, + "parent_node_id": "node_621", + "improvement_over_parent": null + }, + "node_623": { + "node_id": "node_623", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 530.77 kg\n Factor of Safety: 1.36\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.7668160748, + "fos_buckling": 1.3598687648700705, + "fos_yielding": 13.736248764164555, + "deflection": 0.006175018037265965, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_622", + "improvement_over_parent": null + }, + "node_624": { + "node_id": "node_624", + "content": "MODIFICATION: Increase 10 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0108)]\n\nPerformance:\n Mass: 540.98 kg\n Factor of Safety: 1.36\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 540.9786935900707, + "fos_buckling": 1.357210524664595, + "fos_yielding": 13.468529393387685, + "deflection": 0.006117491738875592, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.242)" + }, + "parent_node_id": "node_623", + "improvement_over_parent": null + }, + "node_625": { + "node_id": "node_625", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_624", + "improvement_over_parent": null + }, + "node_626": { + "node_id": "node_626", + "content": "INITIAL DESIGN (Trace 94)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 351.15 kg\n Factor of Safety: 0.84\n Max Deflection: 2.06e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.14596229191204, + "fos_buckling": 0.8386891151838138, + "fos_yielding": 8.730805437305696, + "deflection": 20595346432114.066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_627": { + "node_id": "node_627", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n\nPerformance:\n Mass: 381.24 kg\n Factor of Safety: 0.91\n Max Deflection: 1.53e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.2369693711871, + "fos_buckling": 0.9133429065516638, + "fos_yielding": 9.784963411804648, + "deflection": 15345198652481.818, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005298)" + }, + "parent_node_id": "node_626", + "improvement_over_parent": null + }, + "node_628": { + "node_id": "node_628", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 445.37 kg\n Factor of Safety: 0.59\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.36962226380774, + "fos_buckling": 0.5937102466972436, + "fos_yielding": 7.083075807274127, + "deflection": 0.011155629680529808, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_627", + "improvement_over_parent": null + }, + "node_629": { + "node_id": "node_629", + "content": "MODIFICATION: Increase 3 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 448.43 kg\n Factor of Safety: 0.59\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.4265032907665, + "fos_buckling": 0.5937102466972436, + "fos_yielding": 7.7681111105180936, + "deflection": 0.010915690384321669, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.362)" + }, + "parent_node_id": "node_628", + "improvement_over_parent": null + }, + "node_630": { + "node_id": "node_630", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 531.82 kg\n Factor of Safety: 1.27\n Max Deflection: 6.09e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.821735724128, + "fos_buckling": 1.2723070849024762, + "fos_yielding": 14.973656385571903, + "deflection": 0.006089835149680889, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_629", + "improvement_over_parent": null + }, + "node_631": { + "node_id": "node_631", + "content": "MODIFICATION: Increase 3 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0089)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.99 kg\n Factor of Safety: 1.27\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.991418791395, + "fos_buckling": 1.2730523718887077, + "fos_yielding": 14.897596874671724, + "deflection": 0.006074734984978015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.202)" + }, + "parent_node_id": "node_630", + "improvement_over_parent": null + }, + "node_632": { + "node_id": "node_632", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_631", + "improvement_over_parent": null + }, + "node_633": { + "node_id": "node_633", + "content": "INITIAL DESIGN (Trace 95)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_634": { + "node_id": "node_634", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 404.32 kg\n Factor of Safety: 0.47\n Max Deflection: 3.52e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.316849029954, + "fos_buckling": 0.46590775823145814, + "fos_yielding": 5.727238564235699, + "deflection": 0.03516793394127734, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009625)" + }, + "parent_node_id": "node_633", + "improvement_over_parent": null + }, + "node_635": { + "node_id": "node_635", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 449.94 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.93930054777684, + "fos_buckling": 0.5085768211305272, + "fos_yielding": 6.366081595127315, + "deflection": 0.03163879947815986, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_634", + "improvement_over_parent": null + }, + "node_636": { + "node_id": "node_636", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 518.19 kg\n Factor of Safety: 0.88\n Max Deflection: 9.57e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.1919770689823, + "fos_buckling": 0.876478816671076, + "fos_yielding": 11.262647256531151, + "deflection": 0.009574882633405484, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008698)" + }, + "parent_node_id": "node_635", + "improvement_over_parent": null + }, + "node_637": { + "node_id": "node_637", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 531.16 kg\n Factor of Safety: 1.36\n Max Deflection: 6.17e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.1614965785371, + "fos_buckling": 1.3599717947640473, + "fos_yielding": 13.746002919964106, + "deflection": 0.006170849890124159, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_636", + "improvement_over_parent": null + }, + "node_638": { + "node_id": "node_638", + "content": "MODIFICATION: Increase 10 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0078)]\n\nPerformance:\n Mass: 533.97 kg\n Factor of Safety: 1.37\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.96816569276, + "fos_buckling": 1.3747425224148673, + "fos_yielding": 16.393886144850786, + "deflection": 0.006104548061516278, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.244)" + }, + "parent_node_id": "node_637", + "improvement_over_parent": null + }, + "node_639": { + "node_id": "node_639", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_638", + "improvement_over_parent": null + }, + "node_640": { + "node_id": "node_640", + "content": "INITIAL DESIGN (Trace 96)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_641": { + "node_id": "node_641", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 306.01 kg\n Factor of Safety: 0.48\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 306.0110567692976, + "fos_buckling": 0.4789080781290317, + "fos_yielding": 5.5022469317409195, + "deflection": 0.01580575844999579, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006512)" + }, + "parent_node_id": "node_640", + "improvement_over_parent": null + }, + "node_642": { + "node_id": "node_642", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 355.23 kg\n Factor of Safety: 0.48\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.2263029787888, + "fos_buckling": 0.4774115555405707, + "fos_yielding": 5.4852541520429225, + "deflection": 0.014280451772711077, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007118)" + }, + "parent_node_id": "node_641", + "improvement_over_parent": null + }, + "node_643": { + "node_id": "node_643", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.00 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.9986186462912, + "fos_buckling": 0.5931757479157042, + "fos_yielding": 7.077118960662237, + "deflection": 0.011027535053562581, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.333)" + }, + "parent_node_id": "node_642", + "improvement_over_parent": null + }, + "node_644": { + "node_id": "node_644", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3938510796527, + "fos_buckling": 1.5377362526172642, + "fos_yielding": 14.27291603817558, + "deflection": 0.005952859572303975, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_643", + "improvement_over_parent": null + }, + "node_645": { + "node_id": "node_645", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_644", + "improvement_over_parent": null + }, + "node_646": { + "node_id": "node_646", + "content": "INITIAL DESIGN (Trace 97)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_647": { + "node_id": "node_647", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 440.84 kg\n Factor of Safety: 0.91\n Max Deflection: 8.44e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.8366457133307, + "fos_buckling": 0.9079111434740783, + "fos_yielding": 11.143616944179824, + "deflection": 0.008437322111277448, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008350)" + }, + "parent_node_id": "node_646", + "improvement_over_parent": null + }, + "node_648": { + "node_id": "node_648", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 495.42 kg\n Factor of Safety: 1.00\n Max Deflection: 7.53e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.42480382860424, + "fos_buckling": 0.9969997910628114, + "fos_yielding": 12.48012303845098, + "deflection": 0.0075328608430058645, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_647", + "improvement_over_parent": null + }, + "node_649": { + "node_id": "node_649", + "content": "MODIFICATION: Increase 3 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.67518029182565, + "fos_buckling": 0.9969997910628113, + "fos_yielding": 12.480123038450975, + "deflection": 0.007462806842398792, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.558)" + }, + "parent_node_id": "node_648", + "improvement_over_parent": null + }, + "node_650": { + "node_id": "node_650", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779447523286, + "fos_buckling": 1.5376998150136165, + "fos_yielding": 14.269979377206443, + "deflection": 0.005954038695911261, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_649", + "improvement_over_parent": null + }, + "node_651": { + "node_id": "node_651", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_650", + "improvement_over_parent": null + }, + "node_652": { + "node_id": "node_652", + "content": "INITIAL DESIGN (Trace 98)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 383.34 kg\n Factor of Safety: 0.80\n Max Deflection: 9.64e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.33581378940755, + "fos_buckling": 0.8041248439172723, + "fos_yielding": 9.662748123038696, + "deflection": 0.009639765331321822, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_653": { + "node_id": "node_653", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n\nPerformance:\n Mass: 414.09 kg\n Factor of Safety: 1.21\n Max Deflection: 7.76e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 414.0871049510499, + "fos_buckling": 1.205309301113907, + "fos_yielding": 11.16315089884806, + "deflection": 0.007763448829057067, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005421)" + }, + "parent_node_id": "node_652", + "improvement_over_parent": null + }, + "node_654": { + "node_id": "node_654", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n\nPerformance:\n Mass: 463.53 kg\n Factor of Safety: 1.33\n Max Deflection: 6.96e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.5272182611666, + "fos_buckling": 1.3283550014209922, + "fos_yielding": 12.507136476455244, + "deflection": 0.006956261269024139, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_653", + "improvement_over_parent": null + }, + "node_655": { + "node_id": "node_655", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 538.74 kg\n Factor of Safety: 1.51\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 538.7364797638257, + "fos_buckling": 1.5058583258422114, + "fos_yielding": 14.555879658472733, + "deflection": 0.006012470639169221, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.178)" + }, + "parent_node_id": "node_654", + "improvement_over_parent": null + }, + "node_656": { + "node_id": "node_656", + "content": "MODIFICATION: Increase 2 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0104)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 547.34 kg\n Factor of Safety: 1.50\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.3411520359559, + "fos_buckling": 1.5034303361195709, + "fos_yielding": 14.295400256915089, + "deflection": 0.005962006502235893, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.203)" + }, + "parent_node_id": "node_655", + "improvement_over_parent": null + }, + "node_657": { + "node_id": "node_657", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_656", + "improvement_over_parent": null + }, + "node_658": { + "node_id": "node_658", + "content": "INITIAL DESIGN (Trace 99)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0029)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 245.08 kg\n Factor of Safety: 0.76\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 245.08477378996383, + "fos_buckling": 0.7628669719940558, + "fos_yielding": 6.1851340735952665, + "deflection": 0.013376473243626976, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_659": { + "node_id": "node_659", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 279.57 kg\n Factor of Safety: 0.86\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.5697855511601, + "fos_buckling": 0.8593379424904355, + "fos_yielding": 7.060052939950568, + "deflection": 0.011749153700880432, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_658", + "improvement_over_parent": null + }, + "node_660": { + "node_id": "node_660", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 340.99 kg\n Factor of Safety: 1.02\n Max Deflection: 9.67e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.9899962016116, + "fos_buckling": 1.0246734488211573, + "fos_yielding": 8.621322641306268, + "deflection": 0.009665862754621283, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.232)" + }, + "parent_node_id": "node_659", + "improvement_over_parent": null + }, + "node_661": { + "node_id": "node_661", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 445.50 kg\n Factor of Safety: 1.29\n Max Deflection: 7.44e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.49909891444634, + "fos_buckling": 1.2871698159156548, + "fos_yielding": 11.28695628048023, + "deflection": 0.007441094366353749, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_660", + "improvement_over_parent": null + }, + "node_662": { + "node_id": "node_662", + "content": "MODIFICATION: Increase 1 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 462.18 kg\n Factor of Safety: 1.34\n Max Deflection: 7.00e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.18020319781857, + "fos_buckling": 1.343714307217723, + "fos_yielding": 12.05157309396642, + "deflection": 0.0070017888297176315, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.504)" + }, + "parent_node_id": "node_661", + "improvement_over_parent": null + }, + "node_663": { + "node_id": "node_663", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 547.16 kg\n Factor of Safety: 1.54\n Max Deflection: 5.94e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.164961280932, + "fos_buckling": 1.5394812943154577, + "fos_yielding": 14.293648276004745, + "deflection": 0.005944619335687736, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_662", + "improvement_over_parent": null + }, + "node_664": { + "node_id": "node_664", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_663", + "improvement_over_parent": null + }, + "node_665": { + "node_id": "node_665", + "content": "INITIAL DESIGN (Trace 100)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 418.70 kg\n Factor of Safety: 0.91\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.70289204674134, + "fos_buckling": 0.9050733598960135, + "fos_yielding": 11.099463480658915, + "deflection": 0.008761318222670471, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_666": { + "node_id": "node_666", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 460.83 kg\n Factor of Safety: 1.10\n Max Deflection: 7.17e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.8324872661776, + "fos_buckling": 1.102286945870135, + "fos_yielding": 11.553415873338832, + "deflection": 0.007168027945029102, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007594)" + }, + "parent_node_id": "node_665", + "improvement_over_parent": null + }, + "node_667": { + "node_id": "node_667", + "content": "MODIFICATION: Increase 10 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0106)]\n\nPerformance:\n Mass: 475.50 kg\n Factor of Safety: 1.04\n Max Deflection: 7.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 475.5027079875192, + "fos_buckling": 1.0386464393453227, + "fos_yielding": 10.886379725423032, + "deflection": 0.007082149404197385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.391)" + }, + "parent_node_id": "node_666", + "improvement_over_parent": null + }, + "node_668": { + "node_id": "node_668", + "content": "MODIFICATION: Increase 4 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0090)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0106)]\n\nPerformance:\n Mass: 481.82 kg\n Factor of Safety: 1.00\n Max Deflection: 6.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.81668065639076, + "fos_buckling": 0.9966173746958346, + "fos_yielding": 10.445859891198133, + "deflection": 0.006921879664659522, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.631)" + }, + "parent_node_id": "node_667", + "improvement_over_parent": null + }, + "node_669": { + "node_id": "node_669", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0102)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0121)]\n\nPerformance:\n Mass: 544.27 kg\n Factor of Safety: 1.11\n Max Deflection: 6.15e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.2742200619235, + "fos_buckling": 1.1085818945607615, + "fos_yielding": 11.768206339485316, + "deflection": 0.006147986741876111, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_668", + "improvement_over_parent": null + }, + "node_670": { + "node_id": "node_670", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_669", + "improvement_over_parent": null + }, + "node_671": { + "node_id": "node_671", + "content": "INITIAL DESIGN (Trace 101)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 343.06 kg\n Factor of Safety: 0.82\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 343.0574257527364, + "fos_buckling": 0.8247348806190559, + "fos_yielding": 7.3248013010825215, + "deflection": 0.012372758201178743, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_672": { + "node_id": "node_672", + "content": "MODIFICATION: Increase 7 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 357.15 kg\n Factor of Safety: 0.82\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.14932670253313, + "fos_buckling": 0.8239965546715237, + "fos_yielding": 7.318243932177442, + "deflection": 0.012373597963328008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.414)" + }, + "parent_node_id": "node_671", + "improvement_over_parent": null + }, + "node_673": { + "node_id": "node_673", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 453.07 kg\n Factor of Safety: 1.00\n Max Deflection: 9.78e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.0741306146165, + "fos_buckling": 1.0005151307426632, + "fos_yielding": 9.279773568730594, + "deflection": 0.009779182932296104, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.294)" + }, + "parent_node_id": "node_672", + "improvement_over_parent": null + }, + "node_674": { + "node_id": "node_674", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 517.21 kg\n Factor of Safety: 0.98\n Max Deflection: 9.75e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.2067835072371, + "fos_buckling": 0.9814263936749017, + "fos_yielding": 9.678116909944436, + "deflection": 0.009749246063261314, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_673", + "improvement_over_parent": null + }, + "node_675": { + "node_id": "node_675", + "content": "MODIFICATION: Increase 1 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 533.21 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2096988934601, + "fos_buckling": 1.011460613260114, + "fos_yielding": 12.656774572778874, + "deflection": 0.009052608723599453, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.383)" + }, + "parent_node_id": "node_674", + "improvement_over_parent": null + }, + "node_676": { + "node_id": "node_676", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1792184030149, + "fos_buckling": 1.5375390738244605, + "fos_yielding": 14.268083413389105, + "deflection": 0.0059552747481924385, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_675", + "improvement_over_parent": null + }, + "node_677": { + "node_id": "node_677", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_676", + "improvement_over_parent": null + }, + "node_678": { + "node_id": "node_678", + "content": "INITIAL DESIGN (Trace 102)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n\nPerformance:\n Mass: 296.60 kg\n Factor of Safety: 0.41\n Max Deflection: 1.42e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.59975077583204, + "fos_buckling": 0.41348419253890045, + "fos_yielding": 4.92548598633727, + "deflection": 0.014181274323612311, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_679": { + "node_id": "node_679", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 341.38 kg\n Factor of Safety: 0.75\n Max Deflection: 1.00e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.37736812304524, + "fos_buckling": 0.7519110608510453, + "fos_yielding": 8.301961777253664, + "deflection": 0.010030042775910544, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006435)" + }, + "parent_node_id": "node_678", + "improvement_over_parent": null + }, + "node_680": { + "node_id": "node_680", + "content": "MODIFICATION: Increase 10 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0086)]\n\nPerformance:\n Mass: 355.46 kg\n Factor of Safety: 0.79\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.4599221744861, + "fos_buckling": 0.7880538504753428, + "fos_yielding": 8.07261924845853, + "deflection": 0.009800433650944419, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.342)" + }, + "parent_node_id": "node_679", + "improvement_over_parent": null + }, + "node_681": { + "node_id": "node_681", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n\nPerformance:\n Mass: 446.14 kg\n Factor of Safety: 0.97\n Max Deflection: 7.84e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.1354171805925, + "fos_buckling": 0.9723803683621438, + "fos_yielding": 10.17293021760184, + "deflection": 0.007837719425346194, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_680", + "improvement_over_parent": null + }, + "node_682": { + "node_id": "node_682", + "content": "MODIFICATION: Increase 0 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n\nPerformance:\n Mass: 461.59 kg\n Factor of Safety: 0.98\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.5896829352449, + "fos_buckling": 0.9757402501414354, + "fos_yielding": 10.689791077854833, + "deflection": 0.007464698461508907, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.431)" + }, + "parent_node_id": "node_681", + "improvement_over_parent": null + }, + "node_683": { + "node_id": "node_683", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0127)]\n\nPerformance:\n Mass: 526.60 kg\n Factor of Safety: 1.10\n Max Deflection: 6.56e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.5985985789848, + "fos_buckling": 1.1000890735041244, + "fos_yielding": 12.23353153151077, + "deflection": 0.006561993150683497, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.155)" + }, + "parent_node_id": "node_682", + "improvement_over_parent": null + }, + "node_684": { + "node_id": "node_684", + "content": "MODIFICATION: Increase 10 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0185)]\n\nPerformance:\n Mass: 557.65 kg\n Factor of Safety: 1.15\n Max Deflection: 6.41e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 557.6486146642721, + "fos_buckling": 1.1525621960482955, + "fos_yielding": 11.91080010126104, + "deflection": 0.0064117472665749485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.456)" + }, + "parent_node_id": "node_683", + "improvement_over_parent": null + }, + "node_685": { + "node_id": "node_685", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_684", + "improvement_over_parent": null + }, + "node_686": { + "node_id": "node_686", + "content": "INITIAL DESIGN (Trace 103)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 355.98 kg\n Factor of Safety: 0.76\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.97565239409096, + "fos_buckling": 0.7551164113554676, + "fos_yielding": 8.988470227626088, + "deflection": 0.010363163654597392, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_687": { + "node_id": "node_687", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n\nPerformance:\n Mass: 389.95 kg\n Factor of Safety: 1.17\n Max Deflection: 8.26e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 389.9546630792356, + "fos_buckling": 1.1652523114632605, + "fos_yielding": 10.152330092538397, + "deflection": 0.00826258241434745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006027)" + }, + "parent_node_id": "node_686", + "improvement_over_parent": null + }, + "node_688": { + "node_id": "node_688", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n\nPerformance:\n Mass: 465.40 kg\n Factor of Safety: 1.35\n Max Deflection: 6.95e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.4017272533544, + "fos_buckling": 1.3515836370460756, + "fos_yielding": 12.136172028484015, + "deflection": 0.006954783832956576, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_687", + "improvement_over_parent": null + }, + "node_689": { + "node_id": "node_689", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.91 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9106244990667, + "fos_buckling": 1.5368869523018247, + "fos_yielding": 14.260204698519397, + "deflection": 0.005957922007853828, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_688", + "improvement_over_parent": null + }, + "node_690": { + "node_id": "node_690", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_689", + "improvement_over_parent": null + }, + "node_691": { + "node_id": "node_691", + "content": "INITIAL DESIGN (Trace 104)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 459.80 kg\n Factor of Safety: 1.32\n Max Deflection: 6.99e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.7954574247749, + "fos_buckling": 1.3153251079623034, + "fos_yielding": 12.850410564063301, + "deflection": 0.006989638807920777, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_692": { + "node_id": "node_692", + "content": "MODIFICATION: Increase 8 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 471.54 kg\n Factor of Safety: 1.32\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.54017551372925, + "fos_buckling": 1.3191037235997747, + "fos_yielding": 12.444088352554703, + "deflection": 0.006877112282743495, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.290)" + }, + "parent_node_id": "node_691", + "improvement_over_parent": null + }, + "node_693": { + "node_id": "node_693", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.53 kg\n Factor of Safety: 1.48\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.5314771679436, + "fos_buckling": 1.4823841238268458, + "fos_yielding": 14.391978149897712, + "deflection": 0.005981544300567362, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_692", + "improvement_over_parent": null + }, + "node_694": { + "node_id": "node_694", + "content": "MODIFICATION: Increase 6 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2174703064595, + "fos_buckling": 1.5375006564688554, + "fos_yielding": 14.267847854010476, + "deflection": 0.005954773382566437, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.233)" + }, + "parent_node_id": "node_693", + "improvement_over_parent": null + }, + "node_695": { + "node_id": "node_695", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_694", + "improvement_over_parent": null + }, + "node_696": { + "node_id": "node_696", + "content": "INITIAL DESIGN (Trace 105)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 392.24 kg\n Factor of Safety: 0.05\n Max Deflection: 1.35e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.24405260000026, + "fos_buckling": 0.0548243929511519, + "fos_yielding": 0.9200507539305153, + "deflection": 134950573196499.36, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_697": { + "node_id": "node_697", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 439.85 kg\n Factor of Safety: 0.51\n Max Deflection: 3.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.8468170605032, + "fos_buckling": 0.5085395583985828, + "fos_yielding": 6.365731687514821, + "deflection": 0.03224294828215168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_696", + "improvement_over_parent": null + }, + "node_698": { + "node_id": "node_698", + "content": "MODIFICATION: Increase 8 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n\nPerformance:\n Mass: 448.54 kg\n Factor of Safety: 0.51\n Max Deflection: 3.19e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.5363323517408, + "fos_buckling": 0.5082560456636555, + "fos_yielding": 6.362182767925895, + "deflection": 0.03185526633130168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.205)" + }, + "parent_node_id": "node_697", + "improvement_over_parent": null + }, + "node_699": { + "node_id": "node_699", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 508.32 kg\n Factor of Safety: 0.79\n Max Deflection: 9.98e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 508.3200024972733, + "fos_buckling": 0.7949092477705003, + "fos_yielding": 10.036524512097536, + "deflection": 0.009975873114101516, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007547)" + }, + "parent_node_id": "node_698", + "improvement_over_parent": null + }, + "node_700": { + "node_id": "node_700", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 521.29 kg\n Factor of Safety: 1.22\n Max Deflection: 6.37e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.2895220068282, + "fos_buckling": 1.217065708057316, + "fos_yielding": 13.458311574750716, + "deflection": 0.006368539622640138, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_699", + "improvement_over_parent": null + }, + "node_701": { + "node_id": "node_701", + "content": "MODIFICATION: Increase 10 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0105)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0090)]\n\nPerformance:\n Mass: 526.17 kg\n Factor of Safety: 1.24\n Max Deflection: 6.26e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.1737169273573, + "fos_buckling": 1.2364822695163644, + "fos_yielding": 15.611825678945792, + "deflection": 0.00626163675164434, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.433)" + }, + "parent_node_id": "node_700", + "improvement_over_parent": null + }, + "node_702": { + "node_id": "node_702", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_701", + "improvement_over_parent": null + }, + "node_703": { + "node_id": "node_703", + "content": "INITIAL DESIGN (Trace 106)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 477.63 kg\n Factor of Safety: 1.00\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.6281817249594, + "fos_buckling": 0.9980139082599399, + "fos_yielding": 12.492811336834869, + "deflection": 0.007596208285456815, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_704": { + "node_id": "node_704", + "content": "MODIFICATION: Increase 5 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 479.41 kg\n Factor of Safety: 1.00\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.4148715353308, + "fos_buckling": 0.9980139082599399, + "fos_yielding": 12.492811336834869, + "deflection": 0.007596208285456816, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.397)" + }, + "parent_node_id": "node_703", + "improvement_over_parent": null + }, + "node_705": { + "node_id": "node_705", + "content": "MODIFICATION: Increase 7 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 495.58 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.5820751224859, + "fos_buckling": 0.9969985816450808, + "fos_yielding": 12.480101810705303, + "deflection": 0.007462950172075993, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.370)" + }, + "parent_node_id": "node_704", + "improvement_over_parent": null + }, + "node_706": { + "node_id": "node_706", + "content": "MODIFICATION: Increase 5 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.66 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.66272743532454, + "fos_buckling": 0.9969985816450808, + "fos_yielding": 12.480101810705303, + "deflection": 0.007462950172075993, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.515)" + }, + "parent_node_id": "node_705", + "improvement_over_parent": null + }, + "node_707": { + "node_id": "node_707", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2654918958275, + "fos_buckling": 1.5376362289174144, + "fos_yielding": 14.270123929682796, + "deflection": 0.005954094281795384, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_706", + "improvement_over_parent": null + }, + "node_708": { + "node_id": "node_708", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_707", + "improvement_over_parent": null + }, + "node_709": { + "node_id": "node_709", + "content": "INITIAL DESIGN (Trace 107)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 378.98 kg\n Factor of Safety: 0.83\n Max Deflection: 9.24e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.9762555500089, + "fos_buckling": 0.8343051092856123, + "fos_yielding": 10.083418152962869, + "deflection": 0.00923966879920606, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_710": { + "node_id": "node_710", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 472.69 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.6863470520572, + "fos_buckling": 0.9985364452501079, + "fos_yielding": 12.499092806743562, + "deflection": 0.00745368633350969, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.271)" + }, + "parent_node_id": "node_709", + "improvement_over_parent": null + }, + "node_711": { + "node_id": "node_711", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 536.82 kg\n Factor of Safety: 1.46\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 536.8189999446778, + "fos_buckling": 1.462664059429259, + "fos_yielding": 14.649357740537834, + "deflection": 0.0060300223415601555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_710", + "improvement_over_parent": null + }, + "node_712": { + "node_id": "node_712", + "content": "MODIFICATION: Increase 3 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.245721996015, + "fos_buckling": 1.537551701236063, + "fos_yielding": 14.267260340224947, + "deflection": 0.005954508660092777, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.271)" + }, + "parent_node_id": "node_711", + "improvement_over_parent": null + }, + "node_713": { + "node_id": "node_713", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_712", + "improvement_over_parent": null + }, + "node_714": { + "node_id": "node_714", + "content": "INITIAL DESIGN (Trace 108)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 369.50 kg\n Factor of Safety: 0.43\n Max Deflection: 3.84e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.49904529673074, + "fos_buckling": 0.4319950078279246, + "fos_yielding": 5.238729183721581, + "deflection": 0.03844780297409897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_715": { + "node_id": "node_715", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 449.92 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.91929625013097, + "fos_buckling": 0.5085472244600693, + "fos_yielding": 6.365848845411714, + "deflection": 0.031640340884871096, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_714", + "improvement_over_parent": null + }, + "node_716": { + "node_id": "node_716", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 462.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8888157596858, + "fos_buckling": 0.5930632259484674, + "fos_yielding": 7.075495336405429, + "deflection": 0.01103009154397346, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_715", + "improvement_over_parent": null + }, + "node_717": { + "node_id": "node_717", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2840481930473, + "fos_buckling": 1.5376715767740998, + "fos_yielding": 14.270168617739026, + "deflection": 0.005953988023521274, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_716", + "improvement_over_parent": null + }, + "node_718": { + "node_id": "node_718", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_717", + "improvement_over_parent": null + }, + "node_719": { + "node_id": "node_719", + "content": "INITIAL DESIGN (Trace 109)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_720": { + "node_id": "node_720", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 399.26 kg\n Factor of Safety: 0.90\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.26279865245795, + "fos_buckling": 0.9002749155086051, + "fos_yielding": 11.025448775137555, + "deflection": 0.010286104443850513, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008223)" + }, + "parent_node_id": "node_719", + "improvement_over_parent": null + }, + "node_721": { + "node_id": "node_721", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 410.64 kg\n Factor of Safety: 0.90\n Max Deflection: 8.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.64109815561875, + "fos_buckling": 0.8989786092497908, + "fos_yielding": 11.00957322644988, + "deflection": 0.008462289225059882, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005441)" + }, + "parent_node_id": "node_720", + "improvement_over_parent": null + }, + "node_722": { + "node_id": "node_722", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 467.96 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.96175521846965, + "fos_buckling": 0.9985248934177974, + "fos_yielding": 12.498098256268547, + "deflection": 0.00745427555406015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.153)" + }, + "parent_node_id": "node_721", + "improvement_over_parent": null + }, + "node_723": { + "node_id": "node_723", + "content": "MODIFICATION: Increase 2 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 481.94 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.94169416280124, + "fos_buckling": 0.9976455561898595, + "fos_yielding": 12.487091977759512, + "deflection": 0.007460846986295223, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.456)" + }, + "parent_node_id": "node_722", + "improvement_over_parent": null + }, + "node_724": { + "node_id": "node_724", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.07 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0743470554219, + "fos_buckling": 1.5370874292139278, + "fos_yielding": 14.26091984711762, + "deflection": 0.005956464156786203, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_723", + "improvement_over_parent": null + }, + "node_725": { + "node_id": "node_725", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_724", + "improvement_over_parent": null + }, + "node_726": { + "node_id": "node_726", + "content": "INITIAL DESIGN (Trace 110)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 350.78 kg\n Factor of Safety: 0.75\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.7810596384381, + "fos_buckling": 0.75127763444573, + "fos_yielding": 8.935808416730591, + "deflection": 0.010485361332049812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_727": { + "node_id": "node_727", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n\nPerformance:\n Mass: 384.54 kg\n Factor of Safety: 0.94\n Max Deflection: 8.53e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.5430244827698, + "fos_buckling": 0.9410199384345477, + "fos_yielding": 7.238060455239244, + "deflection": 0.008530712824402271, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005986)" + }, + "parent_node_id": "node_726", + "improvement_over_parent": null + }, + "node_728": { + "node_id": "node_728", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n\nPerformance:\n Mass: 460.07 kg\n Factor of Safety: 1.11\n Max Deflection: 7.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.0735896056376, + "fos_buckling": 1.11366464946486, + "fos_yielding": 8.70610735879917, + "deflection": 0.007159609321420664, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.212)" + }, + "parent_node_id": "node_727", + "improvement_over_parent": null + }, + "node_729": { + "node_id": "node_729", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 542.22 kg\n Factor of Safety: 1.30\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.2170780739345, + "fos_buckling": 1.296702417741791, + "fos_yielding": 10.32263584892565, + "deflection": 0.0061020108150128954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.196)" + }, + "parent_node_id": "node_728", + "improvement_over_parent": null + }, + "node_730": { + "node_id": "node_730", + "content": "MODIFICATION: Increase 5 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0081)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.36 kg\n Factor of Safety: 1.28\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.3550515765094, + "fos_buckling": 1.2811487656678746, + "fos_yielding": 10.198818167796057, + "deflection": 0.006066154721043375, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.497)" + }, + "parent_node_id": "node_729", + "improvement_over_parent": null + }, + "node_731": { + "node_id": "node_731", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_730", + "improvement_over_parent": null + }, + "node_732": { + "node_id": "node_732", + "content": "INITIAL DESIGN (Trace 111)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0037)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 238.27 kg\n Factor of Safety: 0.61\n Max Deflection: 1.46e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.26971344385424, + "fos_buckling": 0.6132701337974361, + "fos_yielding": 7.113252402538306, + "deflection": 0.014596983699743025, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_733": { + "node_id": "node_733", + "content": "MODIFICATION: Increase 2 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0037)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 248.36 kg\n Factor of Safety: 0.61\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 248.3636924099932, + "fos_buckling": 0.61287443361178, + "fos_yielding": 7.108662719882678, + "deflection": 0.014148408475701002, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.637)" + }, + "parent_node_id": "node_732", + "improvement_over_parent": null + }, + "node_734": { + "node_id": "node_734", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 291.22 kg\n Factor of Safety: 0.70\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.22156046176497, + "fos_buckling": 0.7047565217451811, + "fos_yielding": 8.308203513215926, + "deflection": 0.012097640904657881, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_733", + "improvement_over_parent": null + }, + "node_735": { + "node_id": "node_735", + "content": "MODIFICATION: Increase 7 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 310.75 kg\n Factor of Safety: 0.70\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 310.7490587559909, + "fos_buckling": 0.7038802755954159, + "fos_yielding": 8.297873660117299, + "deflection": 0.011338198746696856, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.585)" + }, + "parent_node_id": "node_734", + "improvement_over_parent": null + }, + "node_736": { + "node_id": "node_736", + "content": "MODIFICATION: Increase 8 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 316.90 kg\n Factor of Safety: 0.70\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.9041150182686, + "fos_buckling": 0.7036045347723401, + "fos_yielding": 8.294623018506575, + "deflection": 0.01123075638347854, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.181)" + }, + "parent_node_id": "node_735", + "improvement_over_parent": null + }, + "node_737": { + "node_id": "node_737", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 359.05 kg\n Factor of Safety: 1.09\n Max Deflection: 8.96e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.0547603772808, + "fos_buckling": 1.0851556658870836, + "fos_yielding": 9.339511993826221, + "deflection": 0.008957080499689506, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006035)" + }, + "parent_node_id": "node_736", + "improvement_over_parent": null + }, + "node_738": { + "node_id": "node_738", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 432.65 kg\n Factor of Safety: 1.27\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.6512116511585, + "fos_buckling": 1.2719909461597274, + "fos_yielding": 11.271638274065836, + "deflection": 0.007466651973850772, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.220)" + }, + "parent_node_id": "node_737", + "improvement_over_parent": null + }, + "node_739": { + "node_id": "node_739", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.54 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5411989023603, + "fos_buckling": 1.5380320996752606, + "fos_yielding": 14.273659137199735, + "deflection": 0.0059514250000618175, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.289)" + }, + "parent_node_id": "node_738", + "improvement_over_parent": null + }, + "node_740": { + "node_id": "node_740", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_739", + "improvement_over_parent": null + }, + "node_741": { + "node_id": "node_741", + "content": "INITIAL DESIGN (Trace 112)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 303.82 kg\n Factor of Safety: 0.33\n Max Deflection: 4.46e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 303.8195593256966, + "fos_buckling": 0.3320111172788704, + "fos_yielding": 4.812143602616339, + "deflection": 0.0446127539106681, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_742": { + "node_id": "node_742", + "content": "MODIFICATION: Increase 1 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 317.36 kg\n Factor of Safety: 0.33\n Max Deflection: 4.46e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.3624936165357, + "fos_buckling": 0.332303952741504, + "fos_yielding": 4.81214360261634, + "deflection": 0.0446114247484384, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.437)" + }, + "parent_node_id": "node_741", + "improvement_over_parent": null + }, + "node_743": { + "node_id": "node_743", + "content": "MODIFICATION: Increase 7 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 333.65 kg\n Factor of Safety: 0.40\n Max Deflection: 4.25e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.6463745678716, + "fos_buckling": 0.4015128511888875, + "fos_yielding": 4.812143602616338, + "deflection": 0.042486978587857785, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.543)" + }, + "parent_node_id": "node_742", + "improvement_over_parent": null + }, + "node_744": { + "node_id": "node_744", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 396.49 kg\n Factor of Safety: 0.80\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.4886283521754, + "fos_buckling": 0.7995572089521582, + "fos_yielding": 9.587718420081874, + "deflection": 0.011954964283515676, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007960)" + }, + "parent_node_id": "node_743", + "improvement_over_parent": null + }, + "node_745": { + "node_id": "node_745", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 466.04 kg\n Factor of Safety: 0.92\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.04029923837726, + "fos_buckling": 0.9162287154932486, + "fos_yielding": 11.242987159467459, + "deflection": 0.010194473619951641, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_744", + "improvement_over_parent": null + }, + "node_746": { + "node_id": "node_746", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 525.51 kg\n Factor of Safety: 1.01\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.507085098439, + "fos_buckling": 1.0104995079342756, + "fos_yielding": 12.651965908852064, + "deflection": 0.009058876653879113, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_745", + "improvement_over_parent": null + }, + "node_747": { + "node_id": "node_747", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.48 kg\n Factor of Safety: 1.01\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.4837580683791, + "fos_buckling": 1.0103328887217595, + "fos_yielding": 12.644845827973832, + "deflection": 0.009062914325878638, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.189)" + }, + "parent_node_id": "node_746", + "improvement_over_parent": null + }, + "node_748": { + "node_id": "node_748", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.45 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.4532775779339, + "fos_buckling": 1.5357599638340265, + "fos_yielding": 14.269255854444372, + "deflection": 0.0059622372373173286, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_747", + "improvement_over_parent": null + }, + "node_749": { + "node_id": "node_749", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_748", + "improvement_over_parent": null + }, + "node_750": { + "node_id": "node_750", + "content": "INITIAL DESIGN (Trace 113)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 317.60 kg\n Factor of Safety: 0.50\n Max Deflection: 1.49e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.6043545771369, + "fos_buckling": 0.5042423337353882, + "fos_yielding": 5.837744233344378, + "deflection": 0.014882552313153665, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_751": { + "node_id": "node_751", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 356.42 kg\n Factor of Safety: 0.50\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 356.4235963721169, + "fos_buckling": 0.5029997897358831, + "fos_yielding": 5.823537512190162, + "deflection": 0.013678635917360042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006951)" + }, + "parent_node_id": "node_750", + "improvement_over_parent": null + }, + "node_752": { + "node_id": "node_752", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 437.26 kg\n Factor of Safety: 0.59\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.25726942138766, + "fos_buckling": 0.5937592306512501, + "fos_yielding": 7.083337347947754, + "deflection": 0.011210550263637703, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.248)" + }, + "parent_node_id": "node_751", + "improvement_over_parent": null + }, + "node_753": { + "node_id": "node_753", + "content": "MODIFICATION: Increase 4 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0103)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 444.39 kg\n Factor of Safety: 0.59\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.39054740710395, + "fos_buckling": 0.5932247206250107, + "fos_yielding": 7.0770570049054005, + "deflection": 0.010807593739342675, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.647)" + }, + "parent_node_id": "node_752", + "improvement_over_parent": null + }, + "node_754": { + "node_id": "node_754", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0103)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 527.79 kg\n Factor of Safety: 1.32\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 527.7857798404654, + "fos_buckling": 1.3219767968071177, + "fos_yielding": 14.019172443319825, + "deflection": 0.006084031972072617, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_753", + "improvement_over_parent": null + }, + "node_755": { + "node_id": "node_755", + "content": "MODIFICATION: Increase 8 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0103)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0149)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 559.12 kg\n Factor of Safety: 1.32\n Max Deflection: 5.94e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 559.1182185339934, + "fos_buckling": 1.323847450366447, + "fos_yielding": 14.039010170345962, + "deflection": 0.005935051573908324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.570)" + }, + "parent_node_id": "node_754", + "improvement_over_parent": null + }, + "node_756": { + "node_id": "node_756", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_755", + "improvement_over_parent": null + }, + "node_757": { + "node_id": "node_757", + "content": "INITIAL DESIGN (Trace 114)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_758": { + "node_id": "node_758", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 361.85 kg\n Factor of Safety: 0.69\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.84958729214884, + "fos_buckling": 0.6887872592389079, + "fos_yielding": 8.588742650755373, + "deflection": 0.011772550884375808, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007864)" + }, + "parent_node_id": "node_757", + "improvement_over_parent": null + }, + "node_759": { + "node_id": "node_759", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 401.93 kg\n Factor of Safety: 0.87\n Max Deflection: 9.19e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.9254504644006, + "fos_buckling": 0.8684404716169204, + "fos_yielding": 10.56947604301037, + "deflection": 0.00918846598852433, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007194)" + }, + "parent_node_id": "node_758", + "improvement_over_parent": null + }, + "node_760": { + "node_id": "node_760", + "content": "MODIFICATION: Increase 9 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0096)]\n\nPerformance:\n Mass: 413.92 kg\n Factor of Safety: 0.87\n Max Deflection: 9.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.9154074448547, + "fos_buckling": 0.8677818302300941, + "fos_yielding": 10.561459956028576, + "deflection": 0.009069264007283863, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.332)" + }, + "parent_node_id": "node_759", + "improvement_over_parent": null + }, + "node_761": { + "node_id": "node_761", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0116)]\n\nPerformance:\n Mass: 491.48 kg\n Factor of Safety: 1.00\n Max Deflection: 7.67e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 491.4838561463402, + "fos_buckling": 0.9971706508259955, + "fos_yielding": 12.481767130743968, + "deflection": 0.0076707397144743904, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.206)" + }, + "parent_node_id": "node_760", + "improvement_over_parent": null + }, + "node_762": { + "node_id": "node_762", + "content": "MODIFICATION: Increase 5 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0116)]\n\nPerformance:\n Mass: 507.79 kg\n Factor of Safety: 1.15\n Max Deflection: 7.27e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 507.79346164884356, + "fos_buckling": 1.1490010671774382, + "fos_yielding": 12.468965644763653, + "deflection": 0.0072686551582810625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.220)" + }, + "parent_node_id": "node_761", + "improvement_over_parent": null + }, + "node_763": { + "node_id": "node_763", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0116)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 555.40 kg\n Factor of Safety: 1.28\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 555.3962261093466, + "fos_buckling": 1.284139564580637, + "fos_yielding": 13.725098906998094, + "deflection": 0.006015256621390902, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_762", + "improvement_over_parent": null + }, + "node_764": { + "node_id": "node_764", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_763", + "improvement_over_parent": null + }, + "node_765": { + "node_id": "node_765", + "content": "INITIAL DESIGN (Trace 115)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 404.38 kg\n Factor of Safety: 1.04\n Max Deflection: 8.08e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.37550424628904, + "fos_buckling": 1.0390719179823182, + "fos_yielding": 8.01503262264851, + "deflection": 0.008083558218675074, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_766": { + "node_id": "node_766", + "content": "MODIFICATION: Increase 3 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 418.47 kg\n Factor of Safety: 0.98\n Max Deflection: 7.88e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.46508187469794, + "fos_buckling": 0.9802630964470238, + "fos_yielding": 7.561402209827634, + "deflection": 0.007879174152405145, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.664)" + }, + "parent_node_id": "node_765", + "improvement_over_parent": null + }, + "node_767": { + "node_id": "node_767", + "content": "MODIFICATION: Increase 5 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 421.99 kg\n Factor of Safety: 1.25\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.9853180474426, + "fos_buckling": 1.245777843227352, + "fos_yielding": 10.989983188586226, + "deflection": 0.007650479204692786, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.580)" + }, + "parent_node_id": "node_766", + "improvement_over_parent": null + }, + "node_768": { + "node_id": "node_768", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.17 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1674743538248, + "fos_buckling": 1.53735208035271, + "fos_yielding": 14.262174998139104, + "deflection": 0.005955393405725283, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_767", + "improvement_over_parent": null + }, + "node_769": { + "node_id": "node_769", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_768", + "improvement_over_parent": null + }, + "node_770": { + "node_id": "node_770", + "content": "INITIAL DESIGN (Trace 116)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 277.82 kg\n Factor of Safety: 0.64\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.8173867205595, + "fos_buckling": 0.6389432289467997, + "fos_yielding": 7.445553972173108, + "deflection": 0.012637605723555614, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_771": { + "node_id": "node_771", + "content": "MODIFICATION: Increase 5 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 279.84 kg\n Factor of Safety: 0.64\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.83824767218505, + "fos_buckling": 0.6389432289467997, + "fos_yielding": 7.445553972173108, + "deflection": 0.012512252572655832, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.582)" + }, + "parent_node_id": "node_770", + "improvement_over_parent": null + }, + "node_772": { + "node_id": "node_772", + "content": "MODIFICATION: Increase 7 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 293.42 kg\n Factor of Safety: 0.64\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 293.4239757743179, + "fos_buckling": 0.6383899388125817, + "fos_yielding": 7.439106526813399, + "deflection": 0.012522303359840174, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.592)" + }, + "parent_node_id": "node_771", + "improvement_over_parent": null + }, + "node_773": { + "node_id": "node_773", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 368.21 kg\n Factor of Safety: 0.78\n Max Deflection: 1.00e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.20921786845804, + "fos_buckling": 0.7772673874790409, + "fos_yielding": 9.291371486533697, + "deflection": 0.010025242928691279, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.272)" + }, + "parent_node_id": "node_772", + "improvement_over_parent": null + }, + "node_774": { + "node_id": "node_774", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 433.86 kg\n Factor of Safety: 0.89\n Max Deflection: 8.54e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 433.8617525609032, + "fos_buckling": 0.891422400379953, + "fos_yielding": 10.903187121797723, + "deflection": 0.008542695384679073, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.193)" + }, + "parent_node_id": "node_773", + "improvement_over_parent": null + }, + "node_775": { + "node_id": "node_775", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.24 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.2396634001134, + "fos_buckling": 0.9964028329852719, + "fos_yielding": 12.470934015860006, + "deflection": 0.007468334789564711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_774", + "improvement_over_parent": null + }, + "node_776": { + "node_id": "node_776", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.84 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8424278606163, + "fos_buckling": 1.5367343373301665, + "fos_yielding": 14.25931331141774, + "deflection": 0.0059585355346496805, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_775", + "improvement_over_parent": null + }, + "node_777": { + "node_id": "node_777", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_776", + "improvement_over_parent": null + }, + "node_778": { + "node_id": "node_778", + "content": "INITIAL DESIGN (Trace 117)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 333.71 kg\n Factor of Safety: 0.81\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.70904501360656, + "fos_buckling": 0.8059775231525357, + "fos_yielding": 9.683749995609357, + "deflection": 0.011871928891415896, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_779": { + "node_id": "node_779", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 434.65 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.6488714487459, + "fos_buckling": 1.0012291739641666, + "fos_yielding": 12.533605492827029, + "deflection": 0.009180946049648095, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_778", + "improvement_over_parent": null + }, + "node_780": { + "node_id": "node_780", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.25 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.2516359092489, + "fos_buckling": 0.9982269118230738, + "fos_yielding": 12.496022519576735, + "deflection": 0.007455590544048126, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_779", + "improvement_over_parent": null + }, + "node_781": { + "node_id": "node_781", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3842888018695, + "fos_buckling": 1.537940061981699, + "fos_yielding": 14.274169267842751, + "deflection": 0.005952815957065033, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_780", + "improvement_over_parent": null + }, + "node_782": { + "node_id": "node_782", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_781", + "improvement_over_parent": null + }, + "node_783": { + "node_id": "node_783", + "content": "INITIAL DESIGN (Trace 118)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 438.26 kg\n Factor of Safety: 0.81\n Max Deflection: 8.15e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.2559344029328, + "fos_buckling": 0.8138657441951529, + "fos_yielding": 10.392728806651217, + "deflection": 0.008146770750847259, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_784": { + "node_id": "node_784", + "content": "MODIFICATION: Increase 7 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 456.39 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.38635818276884, + "fos_buckling": 0.9996265237817782, + "fos_yielding": 12.514991710875648, + "deflection": 0.007462275810281634, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.305)" + }, + "parent_node_id": "node_783", + "improvement_over_parent": null + }, + "node_785": { + "node_id": "node_785", + "content": "MODIFICATION: Increase 2 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 463.59 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.5889162254092, + "fos_buckling": 0.9991724003577667, + "fos_yielding": 12.509306236599, + "deflection": 0.007465668533762546, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.319)" + }, + "parent_node_id": "node_784", + "improvement_over_parent": null + }, + "node_786": { + "node_id": "node_786", + "content": "MODIFICATION: Increase 2 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 480.09 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.0926715300077, + "fos_buckling": 0.9981333879714471, + "fos_yielding": 12.496298146984602, + "deflection": 0.00747344253264095, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.582)" + }, + "parent_node_id": "node_785", + "improvement_over_parent": null + }, + "node_787": { + "node_id": "node_787", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 544.23 kg\n Factor of Safety: 1.50\n Max Deflection: 6.02e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.2253244226283, + "fos_buckling": 1.502524630197082, + "fos_yielding": 12.286365145788078, + "deflection": 0.006016439039705536, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_786", + "improvement_over_parent": null + }, + "node_788": { + "node_id": "node_788", + "content": "MODIFICATION: Increase 5 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2472350457689, + "fos_buckling": 1.53743854574557, + "fos_yielding": 14.261369008597844, + "deflection": 0.005954506979112756, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.203)" + }, + "parent_node_id": "node_787", + "improvement_over_parent": null + }, + "node_789": { + "node_id": "node_789", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_788", + "improvement_over_parent": null + }, + "node_790": { + "node_id": "node_790", + "content": "INITIAL DESIGN (Trace 119)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 331.99 kg\n Factor of Safety: 0.76\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.98885522889105, + "fos_buckling": 0.7629130431094548, + "fos_yielding": 5.906469396937725, + "deflection": 0.011793472265200697, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_791": { + "node_id": "node_791", + "content": "MODIFICATION: Increase 0 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 347.64 kg\n Factor of Safety: 0.76\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.6418070441349, + "fos_buckling": 0.7621544588022126, + "fos_yielding": 9.087213055395186, + "deflection": 0.010255836075199445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.575)" + }, + "parent_node_id": "node_790", + "improvement_over_parent": null + }, + "node_792": { + "node_id": "node_792", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 384.85 kg\n Factor of Safety: 0.83\n Max Deflection: 9.29e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.85080148464385, + "fos_buckling": 0.8306137307506808, + "fos_yielding": 10.03639859165546, + "deflection": 0.009285751948506813, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_791", + "improvement_over_parent": null + }, + "node_793": { + "node_id": "node_793", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 481.96 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.95502919637005, + "fos_buckling": 0.9976836626659812, + "fos_yielding": 12.492769264140712, + "deflection": 0.0074596503881721975, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.277)" + }, + "parent_node_id": "node_792", + "improvement_over_parent": null + }, + "node_794": { + "node_id": "node_794", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.09 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0876820889906, + "fos_buckling": 1.537146435876675, + "fos_yielding": 14.263667527517464, + "deflection": 0.005956094911713179, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_793", + "improvement_over_parent": null + }, + "node_795": { + "node_id": "node_795", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_794", + "improvement_over_parent": null + }, + "node_796": { + "node_id": "node_796", + "content": "INITIAL DESIGN (Trace 120)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0030)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0033)]\n\nPerformance:\n Mass: 221.42 kg\n Factor of Safety: 0.63\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 221.4172442339926, + "fos_buckling": 0.6335204790096969, + "fos_yielding": 5.8194497946306605, + "deflection": 0.01473143257582715, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_797": { + "node_id": "node_797", + "content": "MODIFICATION: Increase 9 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0030)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0033)]\n\nPerformance:\n Mass: 225.76 kg\n Factor of Safety: 0.65\n Max Deflection: 1.45e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 225.76052882856365, + "fos_buckling": 0.6527609317582341, + "fos_yielding": 5.697966257479315, + "deflection": 0.014503344060659954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.186)" + }, + "parent_node_id": "node_796", + "improvement_over_parent": null + }, + "node_798": { + "node_id": "node_798", + "content": "MODIFICATION: Increase 1 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0033)]\n\nPerformance:\n Mass: 233.45 kg\n Factor of Safety: 0.61\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 233.45332779884134, + "fos_buckling": 0.6148287972110024, + "fos_yielding": 5.95515018096047, + "deflection": 0.013902709071484193, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.401)" + }, + "parent_node_id": "node_797", + "improvement_over_parent": null + }, + "node_799": { + "node_id": "node_799", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 288.79 kg\n Factor of Safety: 0.75\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.7935775468386, + "fos_buckling": 0.7497265592647145, + "fos_yielding": 7.376589306116171, + "deflection": 0.011274212796516055, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.248)" + }, + "parent_node_id": "node_798", + "improvement_over_parent": null + }, + "node_800": { + "node_id": "node_800", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 366.93 kg\n Factor of Safety: 0.93\n Max Deflection: 8.91e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.92601711485463, + "fos_buckling": 0.9331864072102588, + "fos_yielding": 9.390009377308722, + "deflection": 0.008912971850594632, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.287)" + }, + "parent_node_id": "node_799", + "improvement_over_parent": null + }, + "node_801": { + "node_id": "node_801", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 449.32 kg\n Factor of Safety: 1.12\n Max Deflection: 7.31e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.31816762820694, + "fos_buckling": 1.117827684725031, + "fos_yielding": 11.521662635237062, + "deflection": 0.00731244441400961, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_800", + "improvement_over_parent": null + }, + "node_802": { + "node_id": "node_802", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 524.02 kg\n Factor of Safety: 1.28\n Max Deflection: 6.30e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.0236945496752, + "fos_buckling": 1.2774605603905385, + "fos_yielding": 13.46211801063803, + "deflection": 0.006296188426172455, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_801", + "improvement_over_parent": null + }, + "node_803": { + "node_id": "node_803", + "content": "MODIFICATION: Increase 10 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.66 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.661404020082, + "fos_buckling": 1.5360917668608394, + "fos_yielding": 14.255454084118261, + "deflection": 0.005960351400787602, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.385)" + }, + "parent_node_id": "node_802", + "improvement_over_parent": null + }, + "node_804": { + "node_id": "node_804", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_803", + "improvement_over_parent": null + }, + "node_805": { + "node_id": "node_805", + "content": "INITIAL DESIGN (Trace 121)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n\nPerformance:\n Mass: 242.28 kg\n Factor of Safety: 0.13\n Max Deflection: 2.59e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.27699841104956, + "fos_buckling": 0.12714450149988293, + "fos_yielding": 1.120275084095848, + "deflection": 258580694611506.8, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_806": { + "node_id": "node_806", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n\nPerformance:\n Mass: 282.56 kg\n Factor of Safety: 0.34\n Max Deflection: 5.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.55653753943085, + "fos_buckling": 0.34225721022167294, + "fos_yielding": 4.014949695029818, + "deflection": 0.05016665272835688, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005752)" + }, + "parent_node_id": "node_805", + "improvement_over_parent": null + }, + "node_807": { + "node_id": "node_807", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0034)]\n\nPerformance:\n Mass: 310.09 kg\n Factor of Safety: 0.41\n Max Deflection: 1.75e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 310.09231365425467, + "fos_buckling": 0.4142141757724813, + "fos_yielding": 4.904497961997109, + "deflection": 0.01750087893423005, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.003361)" + }, + "parent_node_id": "node_806", + "improvement_over_parent": null + }, + "node_808": { + "node_id": "node_808", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n\nPerformance:\n Mass: 390.98 kg\n Factor of Safety: 0.52\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.98120674240573, + "fos_buckling": 0.5163776236888812, + "fos_yielding": 6.202973930980669, + "deflection": 0.013885479804589118, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_807", + "improvement_over_parent": null + }, + "node_809": { + "node_id": "node_809", + "content": "MODIFICATION: Increase 9 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 411.55 kg\n Factor of Safety: 0.73\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.5488571067372, + "fos_buckling": 0.7317786906211294, + "fos_yielding": 9.159188926689568, + "deflection": 0.011962790137420316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.623)" + }, + "parent_node_id": "node_808", + "improvement_over_parent": null + }, + "node_810": { + "node_id": "node_810", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 520.52 kg\n Factor of Safety: 0.90\n Max Deflection: 9.48e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 520.516245607862, + "fos_buckling": 0.8967741082069353, + "fos_yielding": 11.576626980263857, + "deflection": 0.009484589752969693, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_809", + "improvement_over_parent": null + }, + "node_811": { + "node_id": "node_811", + "content": "MODIFICATION: Increase 9 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.47 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.472255684828, + "fos_buckling": 1.0117381671425258, + "fos_yielding": 12.667592092475248, + "deflection": 0.009047605848033826, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.202)" + }, + "parent_node_id": "node_810", + "improvement_over_parent": null + }, + "node_812": { + "node_id": "node_812", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.44 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4417751943829, + "fos_buckling": 1.5378303148040429, + "fos_yielding": 14.27006706024974, + "deflection": 0.005952438903460323, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_811", + "improvement_over_parent": null + }, + "node_813": { + "node_id": "node_813", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_812", + "improvement_over_parent": null + }, + "node_814": { + "node_id": "node_814", + "content": "INITIAL DESIGN (Trace 122)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 278.91 kg\n Factor of Safety: 0.14\n Max Deflection: 1.81e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.90623194882187, + "fos_buckling": 0.1352417179380913, + "fos_yielding": 1.7371142611603327, + "deflection": 180902368811294.0, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_815": { + "node_id": "node_815", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 341.86 kg\n Factor of Safety: 10.60\n Max Deflection: 8.92e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 341.8567657877029, + "fos_buckling": 10.601735616974677, + "fos_yielding": 160.55286677846607, + "deflection": 89210081706877.08, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_814", + "improvement_over_parent": null + }, + "node_816": { + "node_id": "node_816", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 351.44 kg\n Factor of Safety: 6.02\n Max Deflection: 8.92e+13 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 351.43741615625385, + "fos_buckling": 6.023057464405685, + "fos_yielding": 64.3781103625203, + "deflection": 89210081706877.08, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.193)" + }, + "parent_node_id": "node_815", + "improvement_over_parent": null + }, + "node_817": { + "node_id": "node_817", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 399.04 kg\n Factor of Safety: 0.76\n Max Deflection: 2.84e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.0401806167568, + "fos_buckling": 0.7586071945396605, + "fos_yielding": 12.520647880025146, + "deflection": 28448924837059.953, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_816", + "improvement_over_parent": null + }, + "node_818": { + "node_id": "node_818", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 446.64 kg\n Factor of Safety: 0.51\n Max Deflection: 3.21e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.64294507725975, + "fos_buckling": 0.5083719931343673, + "fos_yielding": 5.09804626187592, + "deflection": 0.03210143220911842, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_817", + "improvement_over_parent": null + }, + "node_819": { + "node_id": "node_819", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 530.04 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.0381775106212, + "fos_buckling": 1.0107536470123761, + "fos_yielding": 12.651360588850649, + "deflection": 0.009052713384293332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_818", + "improvement_over_parent": null + }, + "node_820": { + "node_id": "node_820", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 543.01 kg\n Factor of Safety: 1.27\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.007697020176, + "fos_buckling": 1.2728106689978724, + "fos_yielding": 13.6045764470261, + "deflection": 0.006014901345295929, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_819", + "improvement_over_parent": null + }, + "node_821": { + "node_id": "node_821", + "content": "MODIFICATION: Increase 4 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0165)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 580.84 kg\n Factor of Safety: 1.45\n Max Deflection: 5.66e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 580.8448581576272, + "fos_buckling": 1.446287637222034, + "fos_yielding": 15.458804050148013, + "deflection": 0.005664149398143838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.527)" + }, + "parent_node_id": "node_820", + "improvement_over_parent": null + }, + "node_822": { + "node_id": "node_822", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_821", + "improvement_over_parent": null + }, + "node_823": { + "node_id": "node_823", + "content": "INITIAL DESIGN (Trace 123)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_824": { + "node_id": "node_824", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n\nPerformance:\n Mass: 396.10 kg\n Factor of Safety: 0.88\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.1019906674785, + "fos_buckling": 0.8756110215784084, + "fos_yielding": 10.670134442949683, + "deflection": 0.010632246664495018, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007260)" + }, + "parent_node_id": "node_823", + "improvement_over_parent": null + }, + "node_825": { + "node_id": "node_825", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 466.46 kg\n Factor of Safety: 1.00\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.4562019017312, + "fos_buckling": 0.9994857402281678, + "fos_yielding": 12.51071256046244, + "deflection": 0.009052054167302197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.195)" + }, + "parent_node_id": "node_824", + "improvement_over_parent": null + }, + "node_826": { + "node_id": "node_826", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 530.59 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.5888547943518, + "fos_buckling": 1.01099476159554, + "fos_yielding": 12.654772702977874, + "deflection": 0.009052054167302197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_825", + "improvement_over_parent": null + }, + "node_827": { + "node_id": "node_827", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 543.56 kg\n Factor of Safety: 1.35\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.5583743039067, + "fos_buckling": 1.349408232735209, + "fos_yielding": 14.4855599831391, + "deflection": 0.00600152008325759, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_826", + "improvement_over_parent": null + }, + "node_828": { + "node_id": "node_828", + "content": "MODIFICATION: Increase 6 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0134)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 566.37 kg\n Factor of Safety: 1.25\n Max Deflection: 5.90e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 566.3712778459596, + "fos_buckling": 1.250947056289181, + "fos_yielding": 13.493580699261186, + "deflection": 0.005901873168780322, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.408)" + }, + "parent_node_id": "node_827", + "improvement_over_parent": null + }, + "node_829": { + "node_id": "node_829", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_828", + "improvement_over_parent": null + }, + "node_830": { + "node_id": "node_830", + "content": "INITIAL DESIGN (Trace 124)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_831": { + "node_id": "node_831", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 365.04 kg\n Factor of Safety: 0.77\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.03822069611823, + "fos_buckling": 0.7714847797076012, + "fos_yielding": 9.212010074556503, + "deflection": 0.010111604591545063, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006768)" + }, + "parent_node_id": "node_830", + "improvement_over_parent": null + }, + "node_832": { + "node_id": "node_832", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 444.13 kg\n Factor of Safety: 0.91\n Max Deflection: 8.35e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.12549698809886, + "fos_buckling": 0.9085229317031774, + "fos_yielding": 11.152577936998677, + "deflection": 0.008351557931132793, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.235)" + }, + "parent_node_id": "node_831", + "improvement_over_parent": null + }, + "node_833": { + "node_id": "node_833", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 486.52 kg\n Factor of Safety: 1.40\n Max Deflection: 6.66e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 486.5156212454781, + "fos_buckling": 1.4015225908577609, + "fos_yielding": 12.692519998617467, + "deflection": 0.00666143740457729, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007645)" + }, + "parent_node_id": "node_832", + "improvement_over_parent": null + }, + "node_834": { + "node_id": "node_834", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2880935175424, + "fos_buckling": 1.5377217865897368, + "fos_yielding": 14.270203074649755, + "deflection": 0.0059539421423065305, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_833", + "improvement_over_parent": null + }, + "node_835": { + "node_id": "node_835", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_834", + "improvement_over_parent": null + }, + "node_836": { + "node_id": "node_836", + "content": "INITIAL DESIGN (Trace 125)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0034)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 262.39 kg\n Factor of Safety: 0.62\n Max Deflection: 1.49e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 262.3944670835316, + "fos_buckling": 0.6249149944473481, + "fos_yielding": 4.654331721525243, + "deflection": 0.014917142999422506, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_837": { + "node_id": "node_837", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0034)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n\nPerformance:\n Mass: 290.69 kg\n Factor of Safety: 0.87\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 290.69472782497314, + "fos_buckling": 0.8684049706255461, + "fos_yielding": 7.52207830638388, + "deflection": 0.011325786674860871, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.003976)" + }, + "parent_node_id": "node_836", + "improvement_over_parent": null + }, + "node_838": { + "node_id": "node_838", + "content": "MODIFICATION: Increase 1 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n\nPerformance:\n Mass: 303.41 kg\n Factor of Safety: 0.86\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 303.4136441665911, + "fos_buckling": 0.859719298546046, + "fos_yielding": 8.550500962977587, + "deflection": 0.010497190855500684, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.587)" + }, + "parent_node_id": "node_837", + "improvement_over_parent": null + }, + "node_839": { + "node_id": "node_839", + "content": "MODIFICATION: Increase 9 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n\nPerformance:\n Mass: 317.48 kg\n Factor of Safety: 0.85\n Max Deflection: 1.00e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.4828064692933, + "fos_buckling": 0.854724943370615, + "fos_yielding": 8.769838897536138, + "deflection": 0.010043077220077065, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.314)" + }, + "parent_node_id": "node_838", + "improvement_over_parent": null + }, + "node_840": { + "node_id": "node_840", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n\nPerformance:\n Mass: 368.89 kg\n Factor of Safety: 0.98\n Max Deflection: 8.67e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.8880764789707, + "fos_buckling": 0.9769347595259625, + "fos_yielding": 10.141465294604686, + "deflection": 0.00867047396208518, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_839", + "improvement_over_parent": null + }, + "node_841": { + "node_id": "node_841", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0120)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 472.38 kg\n Factor of Safety: 1.21\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.381550778353, + "fos_buckling": 1.2100248195182224, + "fos_yielding": 12.86806994207017, + "deflection": 0.00681316000172762, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.304)" + }, + "parent_node_id": "node_840", + "improvement_over_parent": null + }, + "node_842": { + "node_id": "node_842", + "content": "MODIFICATION: Increase 4 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0120)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 474.40 kg\n Factor of Safety: 1.36\n Max Deflection: 6.77e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.39775581784954, + "fos_buckling": 1.3606005497855462, + "fos_yielding": 13.128679518061235, + "deflection": 0.006765400246555954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.350)" + }, + "parent_node_id": "node_841", + "improvement_over_parent": null + }, + "node_843": { + "node_id": "node_843", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0142)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 554.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.82e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 554.390234704206, + "fos_buckling": 1.5429677372034065, + "fos_yielding": 15.359117476259112, + "deflection": 0.0058170201724517525, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.186)" + }, + "parent_node_id": "node_842", + "improvement_over_parent": null + }, + "node_844": { + "node_id": "node_844", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_843", + "improvement_over_parent": null + }, + "node_845": { + "node_id": "node_845", + "content": "INITIAL DESIGN (Trace 126)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_846": { + "node_id": "node_846", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1465619988734, + "fos_buckling": 0.9980356238604873, + "fos_yielding": 12.493083165612473, + "deflection": 0.007457272458590768, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_845", + "improvement_over_parent": null + }, + "node_847": { + "node_id": "node_847", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 529.00 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.9978285457917, + "fos_buckling": 1.4677414225826095, + "fos_yielding": 14.89682406823097, + "deflection": 0.006084652072070017, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006753)" + }, + "parent_node_id": "node_846", + "improvement_over_parent": null + }, + "node_848": { + "node_id": "node_848", + "content": "MODIFICATION: Increase 8 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0152)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 558.39 kg\n Factor of Safety: 1.47\n Max Deflection: 5.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 558.3901370292558, + "fos_buckling": 1.469308931503985, + "fos_yielding": 15.702042323453544, + "deflection": 0.005808138209189022, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.404)" + }, + "parent_node_id": "node_847", + "improvement_over_parent": null + }, + "node_849": { + "node_id": "node_849", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_848", + "improvement_over_parent": null + }, + "node_850": { + "node_id": "node_850", + "content": "INITIAL DESIGN (Trace 127)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 404.08 kg\n Factor of Safety: 0.62\n Max Deflection: 9.83e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.0824906463629, + "fos_buckling": 0.6173559504384405, + "fos_yielding": 7.605061672484057, + "deflection": 0.00983187760347489, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_851": { + "node_id": "node_851", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 448.81 kg\n Factor of Safety: 0.68\n Max Deflection: 8.87e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.80686892754227, + "fos_buckling": 0.6785988381987711, + "fos_yielding": 8.452077469543894, + "deflection": 0.00886594783784477, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.121)" + }, + "parent_node_id": "node_850", + "improvement_over_parent": null + }, + "node_852": { + "node_id": "node_852", + "content": "MODIFICATION: Increase 4 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 451.86 kg\n Factor of Safety: 0.68\n Max Deflection: 8.87e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.8556460020005, + "fos_buckling": 0.6785988381987711, + "fos_yielding": 8.452077469543894, + "deflection": 0.00886594783784477, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.508)" + }, + "parent_node_id": "node_851", + "improvement_over_parent": null + }, + "node_853": { + "node_id": "node_853", + "content": "MODIFICATION: Increase 7 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.19 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1854260607099, + "fos_buckling": 0.9985339429807356, + "fos_yielding": 12.492967643129049, + "deflection": 0.007455793961856741, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.626)" + }, + "parent_node_id": "node_852", + "improvement_over_parent": null + }, + "node_854": { + "node_id": "node_854", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3180789533305, + "fos_buckling": 1.5377031902212208, + "fos_yielding": 14.271872784505257, + "deflection": 0.005953554857220261, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_853", + "improvement_over_parent": null + }, + "node_855": { + "node_id": "node_855", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_854", + "improvement_over_parent": null + }, + "node_856": { + "node_id": "node_856", + "content": "INITIAL DESIGN (Trace 128)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 344.75 kg\n Factor of Safety: 0.76\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.74839864604786, + "fos_buckling": 0.756762906101842, + "fos_yielding": 9.009911443085178, + "deflection": 0.010340704704894288, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_857": { + "node_id": "node_857", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 404.82 kg\n Factor of Safety: 0.87\n Max Deflection: 8.84e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.821799231465, + "fos_buckling": 0.8663774516411011, + "fos_yielding": 10.540211293400848, + "deflection": 0.008839182652826849, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_856", + "improvement_over_parent": null + }, + "node_858": { + "node_id": "node_858", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 481.86 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.8621807447295, + "fos_buckling": 0.99757468340504, + "fos_yielding": 12.485996228177068, + "deflection": 0.007461505873030204, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_857", + "improvement_over_parent": null + }, + "node_859": { + "node_id": "node_859", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.99 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9948336373501, + "fos_buckling": 1.5369825172509968, + "fos_yielding": 14.26046392080031, + "deflection": 0.005957198880773785, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_858", + "improvement_over_parent": null + }, + "node_860": { + "node_id": "node_860", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_859", + "improvement_over_parent": null + }, + "node_861": { + "node_id": "node_861", + "content": "INITIAL DESIGN (Trace 129)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 340.15 kg\n Factor of Safety: 0.46\n Max Deflection: 1.49e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.15486211839203, + "fos_buckling": 0.46153500053892715, + "fos_yielding": 5.277813687596295, + "deflection": 0.014875597606201158, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_862": { + "node_id": "node_862", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 401.65 kg\n Factor of Safety: 1.17\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.6519894639336, + "fos_buckling": 1.1667274936330019, + "fos_yielding": 10.575138504452092, + "deflection": 0.008038253421310588, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007778)" + }, + "parent_node_id": "node_861", + "improvement_over_parent": null + }, + "node_863": { + "node_id": "node_863", + "content": "MODIFICATION: Increase 4 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 402.84 kg\n Factor of Safety: 1.20\n Max Deflection: 8.00e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.8387757244099, + "fos_buckling": 1.1979153459524, + "fos_yielding": 10.490788701294184, + "deflection": 0.008004582615277934, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.214)" + }, + "parent_node_id": "node_862", + "improvement_over_parent": null + }, + "node_864": { + "node_id": "node_864", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 473.21 kg\n Factor of Safety: 1.37\n Max Deflection: 6.84e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.2050517974219, + "fos_buckling": 1.3701164723209136, + "fos_yielding": 12.341877056331493, + "deflection": 0.006843333174808001, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.189)" + }, + "parent_node_id": "node_863", + "improvement_over_parent": null + }, + "node_865": { + "node_id": "node_865", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4297035106283, + "fos_buckling": 1.5379984524020107, + "fos_yielding": 14.27410097129761, + "deflection": 0.005952461312484093, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_864", + "improvement_over_parent": null + }, + "node_866": { + "node_id": "node_866", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_865", + "improvement_over_parent": null + }, + "node_867": { + "node_id": "node_867", + "content": "INITIAL DESIGN (Trace 130)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_868": { + "node_id": "node_868", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 461.82 kg\n Factor of Safety: 1.00\n Max Deflection: 7.74e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.8239415806972, + "fos_buckling": 0.999314910444536, + "fos_yielding": 12.509096856211354, + "deflection": 0.007743618422122449, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_867", + "improvement_over_parent": null + }, + "node_869": { + "node_id": "node_869", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 525.96 kg\n Factor of Safety: 1.30\n Max Deflection: 6.26e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.9565944733178, + "fos_buckling": 1.2957828740947892, + "fos_yielding": 13.533898848442481, + "deflection": 0.006263562972190338, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_868", + "improvement_over_parent": null + }, + "node_870": { + "node_id": "node_870", + "content": "MODIFICATION: Increase 10 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0128)]\n\nPerformance:\n Mass: 545.81 kg\n Factor of Safety: 1.29\n Max Deflection: 6.17e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.8108452884682, + "fos_buckling": 1.2916618851552482, + "fos_yielding": 13.149712098847838, + "deflection": 0.006169524251961736, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.353)" + }, + "parent_node_id": "node_869", + "improvement_over_parent": null + }, + "node_871": { + "node_id": "node_871", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_870", + "improvement_over_parent": null + }, + "node_872": { + "node_id": "node_872", + "content": "INITIAL DESIGN (Trace 131)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 261.27 kg\n Factor of Safety: 0.42\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 261.2692345802434, + "fos_buckling": 0.4228737442824268, + "fos_yielding": 4.780314746969085, + "deflection": 0.018217713174492244, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_873": { + "node_id": "node_873", + "content": "MODIFICATION: Increase 0 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 275.68 kg\n Factor of Safety: 0.42\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 275.6807327197325, + "fos_buckling": 0.4224848494031344, + "fos_yielding": 4.775963287212344, + "deflection": 0.018232487571563632, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.572)" + }, + "parent_node_id": "node_872", + "improvement_over_parent": null + }, + "node_874": { + "node_id": "node_874", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n\nPerformance:\n Mass: 307.28 kg\n Factor of Safety: 0.42\n Max Deflection: 1.65e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 307.2776422591312, + "fos_buckling": 0.42163470376726453, + "fos_yielding": 4.766450472442438, + "deflection": 0.016461379382584792, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005579)" + }, + "parent_node_id": "node_873", + "improvement_over_parent": null + }, + "node_875": { + "node_id": "node_875", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 362.64 kg\n Factor of Safety: 1.09\n Max Deflection: 8.87e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 362.63854711327417, + "fos_buckling": 1.0946814834259846, + "fos_yielding": 9.435790755831459, + "deflection": 0.008870207732776038, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006955)" + }, + "parent_node_id": "node_874", + "improvement_over_parent": null + }, + "node_876": { + "node_id": "node_876", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 473.96 kg\n Factor of Safety: 1.37\n Max Deflection: 6.83e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.9555242045441, + "fos_buckling": 1.3718711702797233, + "fos_yielding": 12.361685111075184, + "deflection": 0.006832753412687004, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_875", + "improvement_over_parent": null + }, + "node_877": { + "node_id": "node_877", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4325012398197, + "fos_buckling": 1.537977413728532, + "fos_yielding": 14.274216909480401, + "deflection": 0.005952385978614208, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.168)" + }, + "parent_node_id": "node_876", + "improvement_over_parent": null + }, + "node_878": { + "node_id": "node_878", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_877", + "improvement_over_parent": null + }, + "node_879": { + "node_id": "node_879", + "content": "INITIAL DESIGN (Trace 132)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 294.37 kg\n Factor of Safety: 0.42\n Max Deflection: 1.70e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.3706740493734, + "fos_buckling": 0.4179870844726647, + "fos_yielding": 4.72001273284035, + "deflection": 0.016986649261698582, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_880": { + "node_id": "node_880", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 383.96 kg\n Factor of Safety: 0.52\n Max Deflection: 1.31e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.963386227088, + "fos_buckling": 0.5235021824743752, + "fos_yielding": 6.10053407683279, + "deflection": 0.013095260232872882, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_879", + "improvement_over_parent": null + }, + "node_881": { + "node_id": "node_881", + "content": "MODIFICATION: Increase 7 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 396.26 kg\n Factor of Safety: 0.52\n Max Deflection: 1.28e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.26094565589193, + "fos_buckling": 0.5230944698007376, + "fos_yielding": 6.0958445975899025, + "deflection": 0.012832730038563719, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.225)" + }, + "parent_node_id": "node_880", + "improvement_over_parent": null + }, + "node_882": { + "node_id": "node_882", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 467.66 kg\n Factor of Safety: 1.36\n Max Deflection: 6.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.66240505613325, + "fos_buckling": 1.3565435732728153, + "fos_yielding": 12.195519272835663, + "deflection": 0.006922214398347192, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009132)" + }, + "parent_node_id": "node_881", + "improvement_over_parent": null + }, + "node_883": { + "node_id": "node_883", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4223541220041, + "fos_buckling": 1.5375615926770934, + "fos_yielding": 14.273503809539324, + "deflection": 0.005952614596071737, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_882", + "improvement_over_parent": null + }, + "node_884": { + "node_id": "node_884", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_883", + "improvement_over_parent": null + }, + "node_885": { + "node_id": "node_885", + "content": "INITIAL DESIGN (Trace 133)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_886": { + "node_id": "node_886", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 355.43 kg\n Factor of Safety: 0.05\n Max Deflection: 2.19e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.4264962588655, + "fos_buckling": 0.054840281213281286, + "fos_yielding": 0.4522366192143578, + "deflection": 218920886305622.22, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007653)" + }, + "parent_node_id": "node_885", + "improvement_over_parent": null + }, + "node_887": { + "node_id": "node_887", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 429.77 kg\n Factor of Safety: 0.91\n Max Deflection: 8.34e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.7658434480053, + "fos_buckling": 0.9100162761795577, + "fos_yielding": 11.172146921409222, + "deflection": 0.008339047437267296, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009540)" + }, + "parent_node_id": "node_886", + "improvement_over_parent": null + }, + "node_888": { + "node_id": "node_888", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.17 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1743994254669, + "fos_buckling": 0.9980980955764335, + "fos_yielding": 12.493716333634273, + "deflection": 0.007456817772600354, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.134)" + }, + "parent_node_id": "node_887", + "improvement_over_parent": null + }, + "node_889": { + "node_id": "node_889", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3070523180875, + "fos_buckling": 1.5377650618770198, + "fos_yielding": 14.270791717968415, + "deflection": 0.005953724817641351, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_888", + "improvement_over_parent": null + }, + "node_890": { + "node_id": "node_890", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_889", + "improvement_over_parent": null + }, + "node_891": { + "node_id": "node_891", + "content": "INITIAL DESIGN (Trace 134)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0031)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 317.83 kg\n Factor of Safety: 0.91\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.8274051762231, + "fos_buckling": 0.9060523931529957, + "fos_yielding": 7.469123688360969, + "deflection": 0.010599758381153783, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_892": { + "node_id": "node_892", + "content": "MODIFICATION: Increase 0 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0039)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 322.90 kg\n Factor of Safety: 0.98\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 322.9000215570605, + "fos_buckling": 0.9782878890127712, + "fos_yielding": 8.165533238293683, + "deflection": 0.010191902668402324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.253)" + }, + "parent_node_id": "node_891", + "improvement_over_parent": null + }, + "node_893": { + "node_id": "node_893", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 412.53 kg\n Factor of Safety: 1.21\n Max Deflection: 8.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.53088118853896, + "fos_buckling": 1.2086844828134358, + "fos_yielding": 10.450485917146219, + "deflection": 0.008017210075349007, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.297)" + }, + "parent_node_id": "node_892", + "improvement_over_parent": null + }, + "node_894": { + "node_id": "node_894", + "content": "MODIFICATION: Increase 0 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 427.85 kg\n Factor of Safety: 1.26\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.84719622489865, + "fos_buckling": 1.2603482443423102, + "fos_yielding": 11.147935777806005, + "deflection": 0.00754807626544486, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.495)" + }, + "parent_node_id": "node_893", + "improvement_over_parent": null + }, + "node_895": { + "node_id": "node_895", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.33 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3326364340304, + "fos_buckling": 1.5377851194819683, + "fos_yielding": 14.271415463509927, + "deflection": 0.00595345221227458, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.304)" + }, + "parent_node_id": "node_894", + "improvement_over_parent": null + }, + "node_896": { + "node_id": "node_896", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_895", + "improvement_over_parent": null + }, + "node_897": { + "node_id": "node_897", + "content": "INITIAL DESIGN (Trace 135)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 424.68 kg\n Factor of Safety: 1.00\n Max Deflection: 8.10e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.67546468555366, + "fos_buckling": 1.0013996172125328, + "fos_yielding": 12.535192532964613, + "deflection": 0.008096034575425914, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_898": { + "node_id": "node_898", + "content": "MODIFICATION: Increase 5 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 426.07 kg\n Factor of Safety: 1.00\n Max Deflection: 8.10e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 426.0742148315791, + "fos_buckling": 1.0013996172125328, + "fos_yielding": 12.535192532964613, + "deflection": 0.008096034575425914, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.271)" + }, + "parent_node_id": "node_897", + "improvement_over_parent": null + }, + "node_899": { + "node_id": "node_899", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 473.68 kg\n Factor of Safety: 1.15\n Max Deflection: 6.83e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.6769792920821, + "fos_buckling": 1.1463700516262374, + "fos_yielding": 14.401445449995965, + "deflection": 0.006831710205679733, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_898", + "improvement_over_parent": null + }, + "node_900": { + "node_id": "node_900", + "content": "MODIFICATION: Increase 8 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0091)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 494.09 kg\n Factor of Safety: 1.14\n Max Deflection: 6.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.0895953969799, + "fos_buckling": 1.1416990974761734, + "fos_yielding": 14.32276735349943, + "deflection": 0.006672203563100253, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.538)" + }, + "parent_node_id": "node_899", + "improvement_over_parent": null + }, + "node_901": { + "node_id": "node_901", + "content": "MODIFICATION: Increase 6 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0104)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0091)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 517.02 kg\n Factor of Safety: 1.34\n Max Deflection: 6.23e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.0246245219237, + "fos_buckling": 1.3384151469483336, + "fos_yielding": 14.403865195113212, + "deflection": 0.00623094254513721, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.437)" + }, + "parent_node_id": "node_900", + "improvement_over_parent": null + }, + "node_902": { + "node_id": "node_902", + "content": "MODIFICATION: Increase 9 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0104)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0091)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0173)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 559.78 kg\n Factor of Safety: 1.42\n Max Deflection: 5.85e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 559.7849691391987, + "fos_buckling": 1.4167818224271018, + "fos_yielding": 16.437188496330574, + "deflection": 0.005851085668509524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.600)" + }, + "parent_node_id": "node_901", + "improvement_over_parent": null + }, + "node_903": { + "node_id": "node_903", + "content": "MODIFICATION: Increase 7 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0104)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0092)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0091)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0173)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 579.41 kg\n Factor of Safety: 1.50\n Max Deflection: 5.68e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 579.4121291920736, + "fos_buckling": 1.5018116196933742, + "fos_yielding": 15.500304427755044, + "deflection": 0.005681805406231398, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.499)" + }, + "parent_node_id": "node_902", + "improvement_over_parent": null + }, + "node_904": { + "node_id": "node_904", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_903", + "improvement_over_parent": null + }, + "node_905": { + "node_id": "node_905", + "content": "INITIAL DESIGN (Trace 136)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0027)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n\nPerformance:\n Mass: 242.47 kg\n Factor of Safety: 0.37\n Max Deflection: 2.42e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.46678734945004, + "fos_buckling": 0.3740268574440912, + "fos_yielding": 3.135495786676104, + "deflection": 0.024205163124327318, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_906": { + "node_id": "node_906", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0033)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 291.05 kg\n Factor of Safety: 0.44\n Max Deflection: 2.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.05181950863044, + "fos_buckling": 0.4386414455290473, + "fos_yielding": 3.769105043557472, + "deflection": 0.0201897808220593, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.212)" + }, + "parent_node_id": "node_905", + "improvement_over_parent": null + }, + "node_907": { + "node_id": "node_907", + "content": "MODIFICATION: Increase 9 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0033)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 299.94 kg\n Factor of Safety: 0.44\n Max Deflection: 1.99e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 299.94260933623457, + "fos_buckling": 0.4383929631102913, + "fos_yielding": 3.7669699139491883, + "deflection": 0.0199077167063261, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.193)" + }, + "parent_node_id": "node_906", + "improvement_over_parent": null + }, + "node_908": { + "node_id": "node_908", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 369.57 kg\n Factor of Safety: 0.52\n Max Deflection: 1.62e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.57422512707035, + "fos_buckling": 0.5227588591514576, + "fos_yielding": 4.653510354537968, + "deflection": 0.016180946237511793, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_907", + "improvement_over_parent": null + }, + "node_909": { + "node_id": "node_909", + "content": "MODIFICATION: Increase 7 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 375.13 kg\n Factor of Safety: 0.52\n Max Deflection: 1.50e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.1330272938977, + "fos_buckling": 0.5225745781789721, + "fos_yielding": 5.540613196470339, + "deflection": 0.015044485962314882, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.200)" + }, + "parent_node_id": "node_908", + "improvement_over_parent": null + }, + "node_910": { + "node_id": "node_910", + "content": "MODIFICATION: Increase 7 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 395.24 kg\n Factor of Safety: 0.52\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.2366506509094, + "fos_buckling": 0.5219092021218421, + "fos_yielding": 6.079736415694413, + "deflection": 0.012866059310022781, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.626)" + }, + "parent_node_id": "node_909", + "improvement_over_parent": null + }, + "node_911": { + "node_id": "node_911", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.88195694002735, + "fos_buckling": 0.5930353522742229, + "fos_yielding": 7.075095859492957, + "deflection": 0.011030486304699744, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_910", + "improvement_over_parent": null + }, + "node_912": { + "node_id": "node_912", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2771893733888, + "fos_buckling": 1.5376548245612929, + "fos_yielding": 14.270027791895448, + "deflection": 0.005954015182862774, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_911", + "improvement_over_parent": null + }, + "node_913": { + "node_id": "node_913", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_912", + "improvement_over_parent": null + }, + "node_914": { + "node_id": "node_914", + "content": "INITIAL DESIGN (Trace 137)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 312.44 kg\n Factor of Safety: 0.05\n Max Deflection: 3.05e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.4429987130839, + "fos_buckling": 0.04743139419549569, + "fos_yielding": 0.4020278921491179, + "deflection": 304558504235220.9, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_915": { + "node_id": "node_915", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 395.84 kg\n Factor of Safety: 0.22\n Max Deflection: 4.33e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.83823114644537, + "fos_buckling": 0.21514602430419996, + "fos_yielding": 1.8089464768574308, + "deflection": 43308730830925.15, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_914", + "improvement_over_parent": null + }, + "node_916": { + "node_id": "node_916", + "content": "MODIFICATION: Increase 4 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.74 kg\n Factor of Safety: 0.22\n Max Deflection: 4.33e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.7413757873917, + "fos_buckling": 0.21514602430419996, + "fos_yielding": 1.8089464768574308, + "deflection": 43308730830925.15, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.473)" + }, + "parent_node_id": "node_915", + "improvement_over_parent": null + }, + "node_917": { + "node_id": "node_917", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.87 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8740286800123, + "fos_buckling": 0.593054713704449, + "fos_yielding": 7.073618827168073, + "deflection": 0.011030639461582219, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_916", + "improvement_over_parent": null + }, + "node_918": { + "node_id": "node_918", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2692611133738, + "fos_buckling": 1.5376441044700409, + "fos_yielding": 14.269930101889035, + "deflection": 0.005954149083901877, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_917", + "improvement_over_parent": null + }, + "node_919": { + "node_id": "node_919", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_918", + "improvement_over_parent": null + }, + "node_920": { + "node_id": "node_920", + "content": "INITIAL DESIGN (Trace 138)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_921": { + "node_id": "node_921", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 280.10 kg\n Factor of Safety: 0.34\n Max Deflection: 2.67e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.1003669140081, + "fos_buckling": 0.3444150609281769, + "fos_yielding": 5.827906334562794, + "deflection": 26688169705197.25, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005526)" + }, + "parent_node_id": "node_920", + "improvement_over_parent": null + }, + "node_922": { + "node_id": "node_922", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 314.92 kg\n Factor of Safety: 0.86\n Max Deflection: 9.19e+12 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.9207184832619, + "fos_buckling": 0.8605713566758664, + "fos_yielding": 7.235785907429725, + "deflection": 9193138760688.854, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_921", + "improvement_over_parent": null + }, + "node_923": { + "node_id": "node_923", + "content": "MODIFICATION: Increase 7 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n\nPerformance:\n Mass: 319.42 kg\n Factor of Safety: 0.76\n Max Deflection: 8.80e+12 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.4159765942298, + "fos_buckling": 0.7590072639090687, + "fos_yielding": 7.235785907429723, + "deflection": 8797853786128.168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.397)" + }, + "parent_node_id": "node_922", + "improvement_over_parent": null + }, + "node_924": { + "node_id": "node_924", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 402.81 kg\n Factor of Safety: 0.60\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.81120902759125, + "fos_buckling": 0.5952228939314261, + "fos_yielding": 7.101060686254147, + "deflection": 0.012018376482419183, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_923", + "improvement_over_parent": null + }, + "node_925": { + "node_id": "node_925", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n\nPerformance:\n Mass: 434.40 kg\n Factor of Safety: 0.59\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.4027755742572, + "fos_buckling": 0.5940351539325748, + "fos_yielding": 7.087104861870651, + "deflection": 0.0109260981103138, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005578)" + }, + "parent_node_id": "node_924", + "improvement_over_parent": null + }, + "node_926": { + "node_id": "node_926", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 517.80 kg\n Factor of Safety: 1.38\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.7980080076186, + "fos_buckling": 1.3845587967486044, + "fos_yielding": 17.815385464594403, + "deflection": 0.006130099565372403, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_925", + "improvement_over_parent": null + }, + "node_927": { + "node_id": "node_927", + "content": "MODIFICATION: Increase 3 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0084)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 522.39 kg\n Factor of Safety: 1.39\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 522.3914346469611, + "fos_buckling": 1.3863247980644506, + "fos_yielding": 17.805646102844353, + "deflection": 0.00608450242869839, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.555)" + }, + "parent_node_id": "node_926", + "improvement_over_parent": null + }, + "node_928": { + "node_id": "node_928", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_927", + "improvement_over_parent": null + }, + "node_929": { + "node_id": "node_929", + "content": "INITIAL DESIGN (Trace 139)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 331.87 kg\n Factor of Safety: 0.22\n Max Deflection: 3.49e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.87115741748164, + "fos_buckling": 0.224771438870083, + "fos_yielding": 3.3881430579149945, + "deflection": 34886146300849.305, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_930": { + "node_id": "node_930", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 407.23 kg\n Factor of Safety: 0.92\n Max Deflection: 9.99e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.22794452613715, + "fos_buckling": 0.9224669060639515, + "fos_yielding": 11.349757318606633, + "deflection": 0.00999424735318942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009682)" + }, + "parent_node_id": "node_929", + "improvement_over_parent": null + }, + "node_931": { + "node_id": "node_931", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 465.17 kg\n Factor of Safety: 0.93\n Max Deflection: 9.99e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.17475403579874, + "fos_buckling": 0.9314511399811013, + "fos_yielding": 11.460105302760772, + "deflection": 0.009994246628020209, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008490)" + }, + "parent_node_id": "node_930", + "improvement_over_parent": null + }, + "node_932": { + "node_id": "node_932", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 476.89 kg\n Factor of Safety: 1.35\n Max Deflection: 6.71e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.8934411826256, + "fos_buckling": 1.3533879622184233, + "fos_yielding": 13.465825085337034, + "deflection": 0.00671293113408165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005618)" + }, + "parent_node_id": "node_931", + "improvement_over_parent": null + }, + "node_933": { + "node_id": "node_933", + "content": "MODIFICATION: Increase 8 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0114)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 489.03 kg\n Factor of Safety: 1.42\n Max Deflection: 6.54e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.0334000838755, + "fos_buckling": 1.4248434988502576, + "fos_yielding": 13.81566757838239, + "deflection": 0.006536522460820366, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.178)" + }, + "parent_node_id": "node_932", + "improvement_over_parent": null + }, + "node_934": { + "node_id": "node_934", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0127)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 541.09 kg\n Factor of Safety: 1.54\n Max Deflection: 5.93e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 541.0858773116497, + "fos_buckling": 1.5447299233504268, + "fos_yielding": 15.295087111499043, + "deflection": 0.005926850665236015, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_933", + "improvement_over_parent": null + }, + "node_935": { + "node_id": "node_935", + "content": "MODIFICATION: Increase 2 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0127)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 550.45 kg\n Factor of Safety: 1.54\n Max Deflection: 5.87e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 550.4532739242777, + "fos_buckling": 1.5415056265905664, + "fos_yielding": 14.923963682737412, + "deflection": 0.0058657049021166785, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.269)" + }, + "parent_node_id": "node_934", + "improvement_over_parent": null + }, + "node_936": { + "node_id": "node_936", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_935", + "improvement_over_parent": null + }, + "node_937": { + "node_id": "node_937", + "content": "INITIAL DESIGN (Trace 140)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_938": { + "node_id": "node_938", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 471.30 kg\n Factor of Safety: 1.00\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.3024223935298, + "fos_buckling": 0.9995349749924182, + "fos_yielding": 12.511851552168855, + "deflection": 0.009014160450805615, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_937", + "improvement_over_parent": null + }, + "node_939": { + "node_id": "node_939", + "content": "MODIFICATION: Increase 2 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 485.68 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.67861040181015, + "fos_buckling": 0.9986292720884768, + "fos_yielding": 12.500514259759896, + "deflection": 0.009022467897509228, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.475)" + }, + "parent_node_id": "node_938", + "improvement_over_parent": null + }, + "node_940": { + "node_id": "node_940", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.28 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2813748623131, + "fos_buckling": 1.011663845649509, + "fos_yielding": 12.66367678385536, + "deflection": 0.00904997570614894, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_939", + "improvement_over_parent": null + }, + "node_941": { + "node_id": "node_941", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.250894371868, + "fos_buckling": 1.537593788288004, + "fos_yielding": 14.271177586970849, + "deflection": 0.005954221129416384, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_940", + "improvement_over_parent": null + }, + "node_942": { + "node_id": "node_942", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_941", + "improvement_over_parent": null + }, + "node_943": { + "node_id": "node_943", + "content": "INITIAL DESIGN (Trace 141)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 334.90 kg\n Factor of Safety: 0.72\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.89898867727493, + "fos_buckling": 0.7165027532480295, + "fos_yielding": 8.467466848866486, + "deflection": 0.011001024977078167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_944": { + "node_id": "node_944", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 402.81 kg\n Factor of Safety: 0.84\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.80682006330454, + "fos_buckling": 0.8382366847326883, + "fos_yielding": 10.141197045537114, + "deflection": 0.009184807946258608, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.218)" + }, + "parent_node_id": "node_943", + "improvement_over_parent": null + }, + "node_945": { + "node_id": "node_945", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.56 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.5609908574368, + "fos_buckling": 0.996813584610109, + "fos_yielding": 12.477260056335277, + "deflection": 0.007464520091752351, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_944", + "improvement_over_parent": null + }, + "node_946": { + "node_id": "node_946", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.16 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1637553179398, + "fos_buckling": 1.5374134781927464, + "fos_yielding": 14.266084636948731, + "deflection": 0.005955302890356652, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_945", + "improvement_over_parent": null + }, + "node_947": { + "node_id": "node_947", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_946", + "improvement_over_parent": null + }, + "node_948": { + "node_id": "node_948", + "content": "INITIAL DESIGN (Trace 142)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 331.03 kg\n Factor of Safety: 0.78\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.03328718854686, + "fos_buckling": 0.7752769715536948, + "fos_yielding": 9.260146322858056, + "deflection": 0.012267689585872679, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_949": { + "node_id": "node_949", + "content": "MODIFICATION: Increase 2 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 344.26 kg\n Factor of Safety: 0.77\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.25556156590505, + "fos_buckling": 0.7746252621963223, + "fos_yielding": 9.252362106080467, + "deflection": 0.012278102016717314, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.650)" + }, + "parent_node_id": "node_948", + "improvement_over_parent": null + }, + "node_950": { + "node_id": "node_950", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 353.77 kg\n Factor of Safety: 0.77\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.772896862652, + "fos_buckling": 0.773688988787606, + "fos_yielding": 9.241178968852058, + "deflection": 0.010082249163027114, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004490)" + }, + "parent_node_id": "node_949", + "improvement_over_parent": null + }, + "node_951": { + "node_id": "node_951", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 400.83 kg\n Factor of Safety: 1.19\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 400.83210684287627, + "fos_buckling": 1.1928502629737456, + "fos_yielding": 10.440089142437222, + "deflection": 0.0080434482287668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006785)" + }, + "parent_node_id": "node_950", + "improvement_over_parent": null + }, + "node_952": { + "node_id": "node_952", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 470.88 kg\n Factor of Safety: 1.36\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.8803278143643, + "fos_buckling": 1.3645987246485243, + "fos_yielding": 12.28297103503226, + "deflection": 0.006875960305173324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.189)" + }, + "parent_node_id": "node_951", + "improvement_over_parent": null + }, + "node_953": { + "node_id": "node_953", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.90 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8992304157499, + "fos_buckling": 1.5368195686922594, + "fos_yielding": 14.262765897187414, + "deflection": 0.0059578899869789015, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.175)" + }, + "parent_node_id": "node_952", + "improvement_over_parent": null + }, + "node_954": { + "node_id": "node_954", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_953", + "improvement_over_parent": null + }, + "node_955": { + "node_id": "node_955", + "content": "INITIAL DESIGN (Trace 143)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 342.81 kg\n Factor of Safety: 0.81\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.8141101852893, + "fos_buckling": 0.8121268202399164, + "fos_yielding": 6.414731176602435, + "deflection": 0.011353850062515708, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_956": { + "node_id": "node_956", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 392.53 kg\n Factor of Safety: 1.19\n Max Deflection: 8.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.53229679328035, + "fos_buckling": 1.1900705665381082, + "fos_yielding": 9.6953899299498, + "deflection": 0.008604695317315645, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007196)" + }, + "parent_node_id": "node_955", + "improvement_over_parent": null + }, + "node_957": { + "node_id": "node_957", + "content": "MODIFICATION: Increase 0 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 407.04 kg\n Factor of Safety: 1.18\n Max Deflection: 8.15e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.0443762356791, + "fos_buckling": 1.1815301221432604, + "fos_yielding": 10.26694819160141, + "deflection": 0.00815470855798473, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.464)" + }, + "parent_node_id": "node_956", + "improvement_over_parent": null + }, + "node_958": { + "node_id": "node_958", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 473.16 kg\n Factor of Safety: 1.34\n Max Deflection: 7.04e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.16314011938414, + "fos_buckling": 1.339436092776621, + "fos_yielding": 11.95061963918957, + "deflection": 0.007040297489981658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_957", + "improvement_over_parent": null + }, + "node_959": { + "node_id": "node_959", + "content": "MODIFICATION: Increase 1 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 492.15 kg\n Factor of Safety: 1.41\n Max Deflection: 6.59e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 492.14582813271335, + "fos_buckling": 1.4144679978832142, + "fos_yielding": 12.84130452199849, + "deflection": 0.00658732521611531, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.560)" + }, + "parent_node_id": "node_958", + "improvement_over_parent": null + }, + "node_960": { + "node_id": "node_960", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.89 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8907193455353, + "fos_buckling": 1.5366183365496946, + "fos_yielding": 14.260093439183219, + "deflection": 0.005958009639336559, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_959", + "improvement_over_parent": null + }, + "node_961": { + "node_id": "node_961", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_960", + "improvement_over_parent": null + }, + "node_962": { + "node_id": "node_962", + "content": "INITIAL DESIGN (Trace 144)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 463.60 kg\n Factor of Safety: 0.62\n Max Deflection: 9.26e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.59801772865455, + "fos_buckling": 0.6228201123193153, + "fos_yielding": 7.682493155768712, + "deflection": 0.009259958933127681, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_963": { + "node_id": "node_963", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 511.20 kg\n Factor of Safety: 1.10\n Max Deflection: 6.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 511.2007821891575, + "fos_buckling": 1.1032868666049396, + "fos_yielding": 12.808407368642225, + "deflection": 0.006603467075971215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_962", + "improvement_over_parent": null + }, + "node_964": { + "node_id": "node_964", + "content": "MODIFICATION: Increase 7 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0112)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 521.62 kg\n Factor of Safety: 1.13\n Max Deflection: 6.52e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.6188829898482, + "fos_buckling": 1.1319201162081522, + "fos_yielding": 12.590593773595494, + "deflection": 0.006517753925066828, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.182)" + }, + "parent_node_id": "node_963", + "improvement_over_parent": null + }, + "node_965": { + "node_id": "node_965", + "content": "MODIFICATION: Increase 7 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0170)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 553.95 kg\n Factor of Safety: 1.19\n Max Deflection: 6.35e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 553.9474886197629, + "fos_buckling": 1.194825356615582, + "fos_yielding": 12.176862615011089, + "deflection": 0.006345706791094376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.520)" + }, + "parent_node_id": "node_964", + "improvement_over_parent": null + }, + "node_966": { + "node_id": "node_966", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_965", + "improvement_over_parent": null + }, + "node_967": { + "node_id": "node_967", + "content": "INITIAL DESIGN (Trace 145)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 274.52 kg\n Factor of Safety: 0.86\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 274.5209371471155, + "fos_buckling": 0.8560305705369012, + "fos_yielding": 7.129431889812838, + "deflection": 0.011654800829467356, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_968": { + "node_id": "node_968", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 326.42 kg\n Factor of Safety: 1.00\n Max Deflection: 9.83e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 326.42234759085807, + "fos_buckling": 0.9987055875309129, + "fos_yielding": 8.486742739090685, + "deflection": 0.009832733346788367, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.199)" + }, + "parent_node_id": "node_967", + "improvement_over_parent": null + }, + "node_969": { + "node_id": "node_969", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 399.27 kg\n Factor of Safety: 1.19\n Max Deflection: 8.07e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.2674830716448, + "fos_buckling": 1.1889217333943867, + "fos_yielding": 10.396857246207404, + "deflection": 0.008074415502538953, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.238)" + }, + "parent_node_id": "node_968", + "improvement_over_parent": null + }, + "node_970": { + "node_id": "node_970", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 489.04 kg\n Factor of Safety: 1.41\n Max Deflection: 6.63e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.04154399569387, + "fos_buckling": 1.407434211580275, + "fos_yielding": 12.759088831158694, + "deflection": 0.006628037430470673, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_969", + "improvement_over_parent": null + }, + "node_971": { + "node_id": "node_971", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.89 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.8895768394535, + "fos_buckling": 1.539055045132475, + "fos_yielding": 14.286075919679583, + "deflection": 0.005947606810471552, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.130)" + }, + "parent_node_id": "node_970", + "improvement_over_parent": null + }, + "node_972": { + "node_id": "node_972", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_971", + "improvement_over_parent": null + }, + "node_973": { + "node_id": "node_973", + "content": "INITIAL DESIGN (Trace 146)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_974": { + "node_id": "node_974", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 323.10 kg\n Factor of Safety: 0.69\n Max Deflection: 2.27e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 323.097210800486, + "fos_buckling": 0.6856790441993498, + "fos_yielding": 7.501359998581189, + "deflection": 22730417852861.668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006903)" + }, + "parent_node_id": "node_973", + "improvement_over_parent": null + }, + "node_975": { + "node_id": "node_975", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 399.01 kg\n Factor of Safety: 2.29\n Max Deflection: 1.28e+13 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 399.01109173599446, + "fos_buckling": 2.2920671408511906, + "fos_yielding": 26.209764458497823, + "deflection": 12835326135982.479, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_974", + "improvement_over_parent": null + }, + "node_976": { + "node_id": "node_976", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.14 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.1437446286151, + "fos_buckling": 0.5933832914621642, + "fos_yielding": 7.079909746593996, + "deflection": 0.011025344165422401, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_975", + "improvement_over_parent": null + }, + "node_977": { + "node_id": "node_977", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.54 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5389770619765, + "fos_buckling": 1.5377007627572659, + "fos_yielding": 14.278884181213229, + "deflection": 0.005951198942797517, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_976", + "improvement_over_parent": null + }, + "node_978": { + "node_id": "node_978", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_977", + "improvement_over_parent": null + }, + "node_979": { + "node_id": "node_979", + "content": "INITIAL DESIGN (Trace 147)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_980": { + "node_id": "node_980", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 428.63 kg\n Factor of Safety: 0.90\n Max Deflection: 8.91e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.6294242050558, + "fos_buckling": 0.8990790545904155, + "fos_yielding": 9.352955925278994, + "deflection": 0.008908078346755686, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008237)" + }, + "parent_node_id": "node_979", + "improvement_over_parent": null + }, + "node_981": { + "node_id": "node_981", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 488.05 kg\n Factor of Safety: 1.00\n Max Deflection: 7.85e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 488.05262255282076, + "fos_buckling": 0.9977940191804233, + "fos_yielding": 10.629278949947794, + "deflection": 0.00784890986987302, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_980", + "improvement_over_parent": null + }, + "node_982": { + "node_id": "node_982", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 535.66 kg\n Factor of Safety: 1.51\n Max Deflection: 6.12e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 535.6553870133238, + "fos_buckling": 1.510187340009451, + "fos_yielding": 14.003047915898547, + "deflection": 0.006122350637767533, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_981", + "improvement_over_parent": null + }, + "node_983": { + "node_id": "node_983", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 544.86 kg\n Factor of Safety: 1.50\n Max Deflection: 5.98e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.8631758911922, + "fos_buckling": 1.5045135734342467, + "fos_yielding": 14.384766200646503, + "deflection": 0.005976732207235168, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.192)" + }, + "parent_node_id": "node_982", + "improvement_over_parent": null + }, + "node_984": { + "node_id": "node_984", + "content": "MODIFICATION: Increase 4 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0076)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 547.27 kg\n Factor of Safety: 1.48\n Max Deflection: 5.92e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.2650829165141, + "fos_buckling": 1.4799873492389788, + "fos_yielding": 16.27752558261042, + "deflection": 0.0059236546082534446, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.208)" + }, + "parent_node_id": "node_983", + "improvement_over_parent": null + }, + "node_985": { + "node_id": "node_985", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_984", + "improvement_over_parent": null + }, + "node_986": { + "node_id": "node_986", + "content": "INITIAL DESIGN (Trace 148)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_987": { + "node_id": "node_987", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 412.76 kg\n Factor of Safety: 0.90\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.7552263855222, + "fos_buckling": 0.9015963519546655, + "fos_yielding": 11.046329713783855, + "deflection": 0.010238946278265972, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005994)" + }, + "parent_node_id": "node_986", + "improvement_over_parent": null + }, + "node_988": { + "node_id": "node_988", + "content": "MODIFICATION: Increase 6 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 431.69 kg\n Factor of Safety: 0.90\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.68936912090874, + "fos_buckling": 0.9005168621748784, + "fos_yielding": 11.033103839472876, + "deflection": 0.01023894627826597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.376)" + }, + "parent_node_id": "node_987", + "improvement_over_parent": null + }, + "node_989": { + "node_id": "node_989", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 443.10 kg\n Factor of Safety: 0.90\n Max Deflection: 8.32e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 443.098515216334, + "fos_buckling": 0.8992193557232795, + "fos_yielding": 11.017206831860706, + "deflection": 0.008316067479475886, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005457)" + }, + "parent_node_id": "node_988", + "improvement_over_parent": null + }, + "node_990": { + "node_id": "node_990", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 484.97 kg\n Factor of Safety: 1.32\n Max Deflection: 6.76e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.9723996020726, + "fos_buckling": 1.3235122313104721, + "fos_yielding": 12.61815471015929, + "deflection": 0.006764352565579241, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007544)" + }, + "parent_node_id": "node_989", + "improvement_over_parent": null + }, + "node_991": { + "node_id": "node_991", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0131)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 551.36 kg\n Factor of Safety: 1.47\n Max Deflection: 5.97e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 551.3561712118988, + "fos_buckling": 1.468253657917018, + "fos_yielding": 14.374649864614923, + "deflection": 0.005971095134967627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.151)" + }, + "parent_node_id": "node_990", + "improvement_over_parent": null + }, + "node_992": { + "node_id": "node_992", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_991", + "improvement_over_parent": null + }, + "node_993": { + "node_id": "node_993", + "content": "INITIAL DESIGN (Trace 149)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 428.50 kg\n Factor of Safety: 1.24\n Max Deflection: 7.49e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.49752766850054, + "fos_buckling": 1.2350428180883286, + "fos_yielding": 11.977101150233539, + "deflection": 0.007489525009349464, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_994": { + "node_id": "node_994", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 531.39 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.3907246657542, + "fos_buckling": 1.47126110974296, + "fos_yielding": 14.870138917600991, + "deflection": 0.006077779184948658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_993", + "improvement_over_parent": null + }, + "node_995": { + "node_id": "node_995", + "content": "MODIFICATION: Increase 8 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.01 kg\n Factor of Safety: 1.39\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.0122405589102, + "fos_buckling": 1.3881332465518665, + "fos_yielding": 14.46058867454817, + "deflection": 0.005993431994116989, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.269)" + }, + "parent_node_id": "node_994", + "improvement_over_parent": null + }, + "node_996": { + "node_id": "node_996", + "content": "MODIFICATION: Increase 4 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.37 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3694391120389, + "fos_buckling": 1.5379097918151161, + "fos_yielding": 14.272302960023923, + "deflection": 0.00595303009539439, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.355)" + }, + "parent_node_id": "node_995", + "improvement_over_parent": null + }, + "node_997": { + "node_id": "node_997", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_996", + "improvement_over_parent": null + }, + "node_998": { + "node_id": "node_998", + "content": "INITIAL DESIGN (Trace 150)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 342.07 kg\n Factor of Safety: 0.84\n Max Deflection: 9.55e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.0687792160728, + "fos_buckling": 0.8359034214542003, + "fos_yielding": 9.391397426533866, + "deflection": 0.00954623927999104, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_999": { + "node_id": "node_999", + "content": "MODIFICATION: Increase 2 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 351.75 kg\n Factor of Safety: 0.89\n Max Deflection: 9.30e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.7529534797262, + "fos_buckling": 0.8927539993051328, + "fos_yielding": 8.988720509437377, + "deflection": 0.009298115481424143, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.460)" + }, + "parent_node_id": "node_998", + "improvement_over_parent": null + }, + "node_1000": { + "node_id": "node_1000", + "content": "MODIFICATION: Increase 7 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 367.13 kg\n Factor of Safety: 1.11\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.13382061741754, + "fos_buckling": 1.1062482581449131, + "fos_yielding": 9.55327867382806, + "deflection": 0.008764134326443868, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.401)" + }, + "parent_node_id": "node_999", + "improvement_over_parent": null + }, + "node_1001": { + "node_id": "node_1001", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 429.76 kg\n Factor of Safety: 1.26\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.75704314262236, + "fos_buckling": 1.2648728191483745, + "fos_yielding": 11.197822249390642, + "deflection": 0.007515504498510988, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_1000", + "improvement_over_parent": null + }, + "node_1002": { + "node_id": "node_1002", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.03 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0340370717857, + "fos_buckling": 1.5369200653361912, + "fos_yielding": 14.263101491022647, + "deflection": 0.0059566815262797786, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.297)" + }, + "parent_node_id": "node_1001", + "improvement_over_parent": null + }, + "node_1003": { + "node_id": "node_1003", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1002", + "improvement_over_parent": null + }, + "node_1004": { + "node_id": "node_1004", + "content": "INITIAL DESIGN (Trace 151)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 257.36 kg\n Factor of Safety: 1.23\n Max Deflection: 1.82e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.356719221069, + "fos_buckling": 1.2328922717831348, + "fos_yielding": 13.61609494778748, + "deflection": 18224669506111.766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1005": { + "node_id": "node_1005", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 329.44 kg\n Factor of Safety: 1.76\n Max Deflection: 8.49e+12 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 329.4369573214147, + "fos_buckling": 1.7632926500422086, + "fos_yielding": 14.471571814859447, + "deflection": 8494205696807.206, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009226)" + }, + "parent_node_id": "node_1004", + "improvement_over_parent": null + }, + "node_1006": { + "node_id": "node_1006", + "content": "MODIFICATION: Increase 3 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 335.41 kg\n Factor of Safety: 1.76\n Max Deflection: 8.05e+12 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 335.4097009276591, + "fos_buckling": 1.7632926500422086, + "fos_yielding": 14.471571814859447, + "deflection": 8045670984892.439, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.244)" + }, + "parent_node_id": "node_1005", + "improvement_over_parent": null + }, + "node_1007": { + "node_id": "node_1007", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 407.49 kg\n Factor of Safety: 0.89\n Max Deflection: 8.59e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.4899390280048, + "fos_buckling": 0.8878293177093206, + "fos_yielding": 10.847935698378997, + "deflection": 0.008588333446939054, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009226)" + }, + "parent_node_id": "node_1006", + "improvement_over_parent": null + }, + "node_1008": { + "node_id": "node_1008", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 471.42 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.4171954385235, + "fos_buckling": 0.9983971156167516, + "fos_yielding": 12.496587257218964, + "deflection": 0.007455120915870855, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_1007", + "improvement_over_parent": null + }, + "node_1009": { + "node_id": "node_1009", + "content": "MODIFICATION: Increase 3 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 481.95 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.94670822812316, + "fos_buckling": 0.9977348948957496, + "fos_yielding": 12.48829847223141, + "deflection": 0.00746006991860732, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.312)" + }, + "parent_node_id": "node_1008", + "improvement_over_parent": null + }, + "node_1010": { + "node_id": "node_1010", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.08 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0793611207438, + "fos_buckling": 1.5372291662448418, + "fos_yielding": 14.26394999950304, + "deflection": 0.005956209613046055, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1009", + "improvement_over_parent": null + }, + "node_1011": { + "node_id": "node_1011", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1010", + "improvement_over_parent": null + }, + "node_1012": { + "node_id": "node_1012", + "content": "INITIAL DESIGN (Trace 152)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 275.07 kg\n Factor of Safety: 0.46\n Max Deflection: 2.33e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 275.0719677603725, + "fos_buckling": 0.46430905214956336, + "fos_yielding": 3.738899802825497, + "deflection": 0.02329961310483346, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1013": { + "node_id": "node_1013", + "content": "MODIFICATION: Increase 7 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 286.57 kg\n Factor of Safety: 0.46\n Max Deflection: 2.20e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 286.568726641945, + "fos_buckling": 0.4643090521495638, + "fos_yielding": 3.7388998028255003, + "deflection": 0.021989497848191847, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.333)" + }, + "parent_node_id": "node_1012", + "improvement_over_parent": null + }, + "node_1014": { + "node_id": "node_1014", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 349.56 kg\n Factor of Safety: 0.47\n Max Deflection: 1.45e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.5585347594074, + "fos_buckling": 0.4710007202546279, + "fos_yielding": 5.40120642952189, + "deflection": 0.014505784179179904, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007980)" + }, + "parent_node_id": "node_1013", + "improvement_over_parent": null + }, + "node_1015": { + "node_id": "node_1015", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 418.42 kg\n Factor of Safety: 0.55\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.4165707672418, + "fos_buckling": 0.5469347465074672, + "fos_yielding": 6.423200519338489, + "deflection": 0.01216890906371956, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.214)" + }, + "parent_node_id": "node_1014", + "improvement_over_parent": null + }, + "node_1016": { + "node_id": "node_1016", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.59 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.5851120326464, + "fos_buckling": 0.5928071509785258, + "fos_yielding": 7.071795710318924, + "deflection": 0.011036190625976425, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_1015", + "improvement_over_parent": null + }, + "node_1017": { + "node_id": "node_1017", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9803444660079, + "fos_buckling": 1.536915687302826, + "fos_yielding": 14.265055936677957, + "deflection": 0.005956873780285685, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1016", + "improvement_over_parent": null + }, + "node_1018": { + "node_id": "node_1018", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1017", + "improvement_over_parent": null + }, + "node_1019": { + "node_id": "node_1019", + "content": "INITIAL DESIGN (Trace 153)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 337.73 kg\n Factor of Safety: 0.64\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.72590810454847, + "fos_buckling": 0.6357224970748765, + "fos_yielding": 7.852282485351176, + "deflection": 0.010989257533222264, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1020": { + "node_id": "node_1020", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 373.62 kg\n Factor of Safety: 0.70\n Max Deflection: 9.95e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.62453744964364, + "fos_buckling": 0.6951702786891484, + "fos_yielding": 8.678747492674738, + "deflection": 0.009951718628425473, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_1019", + "improvement_over_parent": null + }, + "node_1021": { + "node_id": "node_1021", + "content": "MODIFICATION: Increase 5 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 376.11 kg\n Factor of Safety: 0.69\n Max Deflection: 9.92e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.1119777101643, + "fos_buckling": 0.6949509796694514, + "fos_yielding": 8.676009687455373, + "deflection": 0.009918276247844608, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.335)" + }, + "parent_node_id": "node_1020", + "improvement_over_parent": null + }, + "node_1022": { + "node_id": "node_1022", + "content": "MODIFICATION: Increase 7 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 389.14 kg\n Factor of Safety: 0.84\n Max Deflection: 9.19e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 389.13842401275576, + "fos_buckling": 0.8382331889382284, + "fos_yielding": 10.142280842715417, + "deflection": 0.009186831431905284, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.258)" + }, + "parent_node_id": "node_1021", + "improvement_over_parent": null + }, + "node_1023": { + "node_id": "node_1023", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 440.88 kg\n Factor of Safety: 1.29\n Max Deflection: 7.33e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.8796951710242, + "fos_buckling": 1.2921729187173843, + "fos_yielding": 11.490744509980757, + "deflection": 0.007330660191227527, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007511)" + }, + "parent_node_id": "node_1022", + "improvement_over_parent": null + }, + "node_1024": { + "node_id": "node_1024", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.48 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4813006090105, + "fos_buckling": 1.537924436372871, + "fos_yielding": 14.275374514460507, + "deflection": 0.005951832258829251, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_1023", + "improvement_over_parent": null + }, + "node_1025": { + "node_id": "node_1025", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1024", + "improvement_over_parent": null + }, + "node_1026": { + "node_id": "node_1026", + "content": "INITIAL DESIGN (Trace 154)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 409.95 kg\n Factor of Safety: 1.08\n Max Deflection: 7.87e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 409.95149577426787, + "fos_buckling": 1.080014369855345, + "fos_yielding": 11.241975809402962, + "deflection": 0.007865879287135401, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1027": { + "node_id": "node_1027", + "content": "MODIFICATION: Increase 6 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 411.03 kg\n Factor of Safety: 1.08\n Max Deflection: 7.84e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.0259464518374, + "fos_buckling": 1.0808835369555918, + "fos_yielding": 11.251023055243415, + "deflection": 0.007838336301823552, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.181)" + }, + "parent_node_id": "node_1026", + "improvement_over_parent": null + }, + "node_1028": { + "node_id": "node_1028", + "content": "MODIFICATION: Increase 4 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 413.47 kg\n Factor of Safety: 1.16\n Max Deflection: 7.77e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.4691850792865, + "fos_buckling": 1.1585549299689133, + "fos_yielding": 11.295037567522039, + "deflection": 0.00776977558132608, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.524)" + }, + "parent_node_id": "node_1027", + "improvement_over_parent": null + }, + "node_1029": { + "node_id": "node_1029", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 536.47 kg\n Factor of Safety: 1.45\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 536.4681659081947, + "fos_buckling": 1.4498116183176448, + "fos_yielding": 14.685425423317191, + "deflection": 0.006033087162353148, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_1028", + "improvement_over_parent": null + }, + "node_1030": { + "node_id": "node_1030", + "content": "MODIFICATION: Increase 2 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.47 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4748714421077, + "fos_buckling": 1.5380995925722607, + "fos_yielding": 14.274367602153333, + "deflection": 0.0059520268807567505, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.292)" + }, + "parent_node_id": "node_1029", + "improvement_over_parent": null + }, + "node_1031": { + "node_id": "node_1031", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1030", + "improvement_over_parent": null + }, + "node_1032": { + "node_id": "node_1032", + "content": "INITIAL DESIGN (Trace 155)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n\nPerformance:\n Mass: 354.93 kg\n Factor of Safety: 0.81\n Max Deflection: 9.28e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.9325065415623, + "fos_buckling": 0.8071411801106206, + "fos_yielding": 9.74342893114113, + "deflection": 0.009280099056369123, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1033": { + "node_id": "node_1033", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 393.82 kg\n Factor of Safety: 0.89\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 393.81988791356366, + "fos_buckling": 0.8879032055401532, + "fos_yielding": 10.807674560876206, + "deflection": 0.008380711492879932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_1032", + "improvement_over_parent": null + }, + "node_1034": { + "node_id": "node_1034", + "content": "MODIFICATION: Increase 10 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 418.64 kg\n Factor of Safety: 1.21\n Max Deflection: 7.61e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.63520139557596, + "fos_buckling": 1.2124169152075421, + "fos_yielding": 11.935394851794772, + "deflection": 0.007610713579746215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.639)" + }, + "parent_node_id": "node_1033", + "improvement_over_parent": null + }, + "node_1035": { + "node_id": "node_1035", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 525.78 kg\n Factor of Safety: 1.46\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.7789056457985, + "fos_buckling": 1.459916930574739, + "fos_yielding": 15.00513036925037, + "deflection": 0.006100302718754002, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_1034", + "improvement_over_parent": null + }, + "node_1036": { + "node_id": "node_1036", + "content": "MODIFICATION: Increase 3 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 536.37 kg\n Factor of Safety: 1.50\n Max Deflection: 6.02e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 536.3689490324925, + "fos_buckling": 1.5010791760707325, + "fos_yielding": 14.585502101552812, + "deflection": 0.0060215347317321, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.314)" + }, + "parent_node_id": "node_1035", + "improvement_over_parent": null + }, + "node_1037": { + "node_id": "node_1037", + "content": "MODIFICATION: Increase 9 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2438112251104, + "fos_buckling": 1.5375527946301095, + "fos_yielding": 14.269417135847904, + "deflection": 0.005954297204861506, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.200)" + }, + "parent_node_id": "node_1036", + "improvement_over_parent": null + }, + "node_1038": { + "node_id": "node_1038", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1037", + "improvement_over_parent": null + }, + "node_1039": { + "node_id": "node_1039", + "content": "INITIAL DESIGN (Trace 156)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 264.03 kg\n Factor of Safety: 0.22\n Max Deflection: 3.72e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 264.0339823590952, + "fos_buckling": 0.22307741158634445, + "fos_yielding": 1.8089464768574308, + "deflection": 37188151531695.15, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1040": { + "node_id": "node_1040", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 331.86 kg\n Factor of Safety: 0.59\n Max Deflection: 5.25e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.8560079138622, + "fos_buckling": 0.5930200683150197, + "fos_yielding": 6.709525464690006, + "deflection": 52450239851893.38, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.282)" + }, + "parent_node_id": "node_1039", + "improvement_over_parent": null + }, + "node_1041": { + "node_id": "node_1041", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.25 kg\n Factor of Safety: 0.36\n Max Deflection: 1.07e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.25124034722364, + "fos_buckling": 0.35961920284439164, + "fos_yielding": 4.068790127004975, + "deflection": 106657208835334.92, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1040", + "improvement_over_parent": null + }, + "node_1042": { + "node_id": "node_1042", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.85 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8540048077266, + "fos_buckling": 0.5930897887570417, + "fos_yielding": 7.074832632376063, + "deflection": 0.011030745058232155, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1041", + "improvement_over_parent": null + }, + "node_1043": { + "node_id": "node_1043", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.249237241088, + "fos_buckling": 1.5376430015744813, + "fos_yielding": 14.268821260313413, + "deflection": 0.0059543600186709655, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1042", + "improvement_over_parent": null + }, + "node_1044": { + "node_id": "node_1044", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1043", + "improvement_over_parent": null + }, + "node_1045": { + "node_id": "node_1045", + "content": "INITIAL DESIGN (Trace 157)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 402.36 kg\n Factor of Safety: 0.84\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.36160173895155, + "fos_buckling": 0.8403297901912448, + "fos_yielding": 10.17046960377898, + "deflection": 0.00917853742598401, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1046": { + "node_id": "node_1046", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 440.92 kg\n Factor of Safety: 1.26\n Max Deflection: 7.38e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.9162465232049, + "fos_buckling": 1.2578240343306935, + "fos_yielding": 10.015826013128837, + "deflection": 0.007377510801148877, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006900)" + }, + "parent_node_id": "node_1045", + "improvement_over_parent": null + }, + "node_1047": { + "node_id": "node_1047", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n\nPerformance:\n Mass: 494.06 kg\n Factor of Safety: 1.39\n Max Deflection: 6.60e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.0559691954189, + "fos_buckling": 1.392549531491027, + "fos_yielding": 11.250675751441594, + "deflection": 0.0066043261553299, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_1046", + "improvement_over_parent": null + }, + "node_1048": { + "node_id": "node_1048", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n\nPerformance:\n Mass: 495.54 kg\n Factor of Safety: 1.38\n Max Deflection: 6.58e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.5421186912578, + "fos_buckling": 1.3843579537434125, + "fos_yielding": 11.184494417817893, + "deflection": 0.006584454089808749, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.188)" + }, + "parent_node_id": "node_1047", + "improvement_over_parent": null + }, + "node_1049": { + "node_id": "node_1049", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.59 kg\n Factor of Safety: 1.51\n Max Deflection: 6.00e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.5920943093138, + "fos_buckling": 1.5068270754871302, + "fos_yielding": 12.3440202066161, + "deflection": 0.0059976012493627865, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.111)" + }, + "parent_node_id": "node_1048", + "improvement_over_parent": null + }, + "node_1050": { + "node_id": "node_1050", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1049", + "improvement_over_parent": null + }, + "node_1051": { + "node_id": "node_1051", + "content": "INITIAL DESIGN (Trace 158)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 280.77 kg\n Factor of Safety: 0.37\n Max Deflection: 4.78e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.7707392256608, + "fos_buckling": 0.37011148135217586, + "fos_yielding": 3.6639646228643894, + "deflection": 0.04784773116239438, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1052": { + "node_id": "node_1052", + "content": "MODIFICATION: Increase 0 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 297.01 kg\n Factor of Safety: 0.37\n Max Deflection: 4.78e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 297.0134117760164, + "fos_buckling": 0.37011148135217614, + "fos_yielding": 3.667880993564551, + "deflection": 0.047848551438982055, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.656)" + }, + "parent_node_id": "node_1051", + "improvement_over_parent": null + }, + "node_1053": { + "node_id": "node_1053", + "content": "MODIFICATION: Increase 6 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 306.94 kg\n Factor of Safety: 0.37\n Max Deflection: 4.65e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 306.93756058117106, + "fos_buckling": 0.37011148135217575, + "fos_yielding": 3.6702779892857813, + "deflection": 0.04648719192006802, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.309)" + }, + "parent_node_id": "node_1052", + "improvement_over_parent": null + }, + "node_1054": { + "node_id": "node_1054", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n\nPerformance:\n Mass: 315.84 kg\n Factor of Safety: 0.43\n Max Deflection: 1.60e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.83857813113934, + "fos_buckling": 0.433987344858696, + "fos_yielding": 4.923292864750197, + "deflection": 0.01598786448342803, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004181)" + }, + "parent_node_id": "node_1053", + "improvement_over_parent": null + }, + "node_1055": { + "node_id": "node_1055", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n\nPerformance:\n Mass: 357.69 kg\n Factor of Safety: 0.48\n Max Deflection: 1.42e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.6909894381404, + "fos_buckling": 0.48257541473063303, + "fos_yielding": 5.553238861950523, + "deflection": 0.014153356107263867, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_1054", + "improvement_over_parent": null + }, + "node_1056": { + "node_id": "node_1056", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 460.06 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.0624154910706, + "fos_buckling": 0.5928817093378749, + "fos_yielding": 7.072882815995964, + "deflection": 0.011072816105445308, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_1055", + "improvement_over_parent": null + }, + "node_1057": { + "node_id": "node_1057", + "content": "MODIFICATION: Increase 6 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0135)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 483.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.8873109283895, + "fos_buckling": 0.5919921738183614, + "fos_yielding": 7.041618778448551, + "deflection": 0.01020781277465007, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.427)" + }, + "parent_node_id": "node_1056", + "improvement_over_parent": null + }, + "node_1058": { + "node_id": "node_1058", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0135)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 567.28 kg\n Factor of Safety: 1.34\n Max Deflection: 5.89e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 567.282543361751, + "fos_buckling": 1.3395513240041157, + "fos_yielding": 13.984821056016363, + "deflection": 0.005892545702548781, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1057", + "improvement_over_parent": null + }, + "node_1059": { + "node_id": "node_1059", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1058", + "improvement_over_parent": null + }, + "node_1060": { + "node_id": "node_1060", + "content": "INITIAL DESIGN (Trace 159)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 330.66 kg\n Factor of Safety: 0.33\n Max Deflection: 1.66e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.6551864062081, + "fos_buckling": 0.3345311669848686, + "fos_yielding": 4.990091808207655, + "deflection": 0.016576979362025797, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1061": { + "node_id": "node_1061", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 397.39 kg\n Factor of Safety: 0.40\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.394078013352, + "fos_buckling": 0.39572480372553587, + "fos_yielding": 6.010271659451839, + "deflection": 0.013826032984749752, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.221)" + }, + "parent_node_id": "node_1060", + "improvement_over_parent": null + }, + "node_1062": { + "node_id": "node_1062", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 445.00 kg\n Factor of Safety: 0.39\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.99684247385494, + "fos_buckling": 0.39453540144522636, + "fos_yielding": 5.992207007578288, + "deflection": 0.012656660558840828, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1061", + "improvement_over_parent": null + }, + "node_1063": { + "node_id": "node_1063", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 509.19 kg\n Factor of Safety: 1.13\n Max Deflection: 6.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 509.1872857309164, + "fos_buckling": 1.1324384954854008, + "fos_yielding": 14.441936541526108, + "deflection": 0.006457006322042491, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008143)" + }, + "parent_node_id": "node_1062", + "improvement_over_parent": null + }, + "node_1064": { + "node_id": "node_1064", + "content": "MODIFICATION: Increase 10 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 528.37 kg\n Factor of Safety: 1.26\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.3703750662957, + "fos_buckling": 1.2587716105148476, + "fos_yielding": 15.17610714199764, + "deflection": 0.006127445697064449, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.328)" + }, + "parent_node_id": "node_1063", + "improvement_over_parent": null + }, + "node_1065": { + "node_id": "node_1065", + "content": "MODIFICATION: Increase 3 thickness by 67%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0090)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.83 kg\n Factor of Safety: 1.26\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.8257492133231, + "fos_buckling": 1.2611311497485436, + "fos_yielding": 14.928843726433163, + "deflection": 0.006079114197236216, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.667)" + }, + "parent_node_id": "node_1064", + "improvement_over_parent": null + }, + "node_1066": { + "node_id": "node_1066", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1065", + "improvement_over_parent": null + }, + "node_1067": { + "node_id": "node_1067", + "content": "INITIAL DESIGN (Trace 160)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1068": { + "node_id": "node_1068", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 418.01 kg\n Factor of Safety: 1.00\n Max Deflection: 9.16e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.012783937274, + "fos_buckling": 1.0020839613303012, + "fos_yielding": 12.543758928564912, + "deflection": 0.009161717940862844, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1067", + "improvement_over_parent": null + }, + "node_1069": { + "node_id": "node_1069", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1454368298946, + "fos_buckling": 0.9980356945979698, + "fos_yielding": 12.493084051081107, + "deflection": 0.0074572612338921, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1068", + "improvement_over_parent": null + }, + "node_1070": { + "node_id": "node_1070", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2780897225152, + "fos_buckling": 1.5376965451729245, + "fos_yielding": 14.269895203680269, + "deflection": 0.005954044538855969, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1069", + "improvement_over_parent": null + }, + "node_1071": { + "node_id": "node_1071", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1070", + "improvement_over_parent": null + }, + "node_1072": { + "node_id": "node_1072", + "content": "INITIAL DESIGN (Trace 161)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0024)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0016)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n\nPerformance:\n Mass: 226.71 kg\n Factor of Safety: 0.64\n Max Deflection: 1.40e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 226.71050343410099, + "fos_buckling": 0.6400475646682671, + "fos_yielding": 6.422144184022215, + "deflection": 0.014023559135048456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1073": { + "node_id": "node_1073", + "content": "MODIFICATION: Increase 4 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0024)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n\nPerformance:\n Mass: 227.74 kg\n Factor of Safety: 0.62\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 227.74485857788187, + "fos_buckling": 0.6245120520132686, + "fos_yielding": 6.350984690663721, + "deflection": 0.013946295317318901, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.346)" + }, + "parent_node_id": "node_1072", + "improvement_over_parent": null + }, + "node_1074": { + "node_id": "node_1074", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 291.94 kg\n Factor of Safety: 0.79\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.94001464008886, + "fos_buckling": 0.7880077997267164, + "fos_yielding": 8.150102572516516, + "deflection": 0.010922121943810778, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.295)" + }, + "parent_node_id": "node_1073", + "improvement_over_parent": null + }, + "node_1075": { + "node_id": "node_1075", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 374.40 kg\n Factor of Safety: 0.99\n Max Deflection: 8.56e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.40376149283986, + "fos_buckling": 0.9900515471059497, + "fos_yielding": 10.466516904996697, + "deflection": 0.00855905986742978, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.300)" + }, + "parent_node_id": "node_1074", + "improvement_over_parent": null + }, + "node_1076": { + "node_id": "node_1076", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 467.55 kg\n Factor of Safety: 1.21\n Max Deflection: 6.89e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.5472881163334, + "fos_buckling": 1.2075525380137027, + "fos_yielding": 13.08960461204061, + "deflection": 0.006892460222725002, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_1075", + "improvement_over_parent": null + }, + "node_1077": { + "node_id": "node_1077", + "content": "MODIFICATION: Increase 2 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 480.10 kg\n Factor of Safety: 1.39\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.09625077732824, + "fos_buckling": 1.3864445190590176, + "fos_yielding": 12.523656432163651, + "deflection": 0.006747819755357812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.464)" + }, + "parent_node_id": "node_1076", + "improvement_over_parent": null + }, + "node_1078": { + "node_id": "node_1078", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.97e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.2180269325207, + "fos_buckling": 1.535354525803786, + "fos_yielding": 14.242297653712244, + "deflection": 0.005965177279893298, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.149)" + }, + "parent_node_id": "node_1077", + "improvement_over_parent": null + }, + "node_1079": { + "node_id": "node_1079", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1078", + "improvement_over_parent": null + }, + "node_1080": { + "node_id": "node_1080", + "content": "INITIAL DESIGN (Trace 162)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 336.31 kg\n Factor of Safety: 0.06\n Max Deflection: 2.09e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.31464671742856, + "fos_buckling": 0.055305252612515565, + "fos_yielding": 0.8684495572162588, + "deflection": 208797447664656.72, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1081": { + "node_id": "node_1081", + "content": "MODIFICATION: Increase 3 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 343.61 kg\n Factor of Safety: 0.15\n Max Deflection: 5.66e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 343.6129148275228, + "fos_buckling": 0.14748067363337486, + "fos_yielding": 2.182701359326424, + "deflection": 56582909935980.31, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.199)" + }, + "parent_node_id": "node_1080", + "improvement_over_parent": null + }, + "node_1082": { + "node_id": "node_1082", + "content": "MODIFICATION: Increase 4 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 346.95 kg\n Factor of Safety: 0.15\n Max Deflection: 5.66e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.95405224405715, + "fos_buckling": 0.14748067363337486, + "fos_yielding": 2.182701359326424, + "deflection": 56582909935980.31, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.582)" + }, + "parent_node_id": "node_1081", + "improvement_over_parent": null + }, + "node_1083": { + "node_id": "node_1083", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 411.09 kg\n Factor of Safety: 0.35\n Max Deflection: 3.77e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.0867051366778, + "fos_buckling": 0.3472720521085273, + "fos_yielding": 4.327298659103801, + "deflection": 0.037686774388488116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1082", + "improvement_over_parent": null + }, + "node_1084": { + "node_id": "node_1084", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 424.06 kg\n Factor of Safety: 0.50\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.05622464623264, + "fos_buckling": 0.5013846072948333, + "fos_yielding": 7.098521924448016, + "deflection": 0.012202074966251397, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1083", + "improvement_over_parent": null + }, + "node_1085": { + "node_id": "node_1085", + "content": "MODIFICATION: Increase 2 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 432.80 kg\n Factor of Safety: 0.59\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.7968996796161, + "fos_buckling": 0.5941549007486207, + "fos_yielding": 7.086937848784963, + "deflection": 0.011601786024993604, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.247)" + }, + "parent_node_id": "node_1084", + "improvement_over_parent": null + }, + "node_1086": { + "node_id": "node_1086", + "content": "MODIFICATION: Increase 9 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0102)]\n\nPerformance:\n Mass: 439.63 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.6330709655564, + "fos_buckling": 0.5936420329387261, + "fos_yielding": 7.080912816098652, + "deflection": 0.01113043104751624, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.618)" + }, + "parent_node_id": "node_1085", + "improvement_over_parent": null + }, + "node_1087": { + "node_id": "node_1087", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0102)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 523.03 kg\n Factor of Safety: 1.20\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 523.0283033989178, + "fos_buckling": 1.196906397356429, + "fos_yielding": 14.914449397542105, + "deflection": 0.006329096262388211, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1086", + "improvement_over_parent": null + }, + "node_1088": { + "node_id": "node_1088", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1087", + "improvement_over_parent": null + }, + "node_1089": { + "node_id": "node_1089", + "content": "INITIAL DESIGN (Trace 163)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 437.97 kg\n Factor of Safety: 1.16\n Max Deflection: 7.58e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.96565531298626, + "fos_buckling": 1.1593121749359283, + "fos_yielding": 11.776270026477722, + "deflection": 0.007583297346266832, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1090": { + "node_id": "node_1090", + "content": "MODIFICATION: Increase 8 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 448.38 kg\n Factor of Safety: 1.10\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.3798991043695, + "fos_buckling": 1.0974906486831906, + "fos_yielding": 11.491354748462024, + "deflection": 0.007469877535937014, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.244)" + }, + "parent_node_id": "node_1089", + "improvement_over_parent": null + }, + "node_1091": { + "node_id": "node_1091", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 507.92 kg\n Factor of Safety: 1.22\n Max Deflection: 6.61e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 507.9202343555012, + "fos_buckling": 1.2191955518990087, + "fos_yielding": 13.033121386632356, + "deflection": 0.006614771041289748, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.145)" + }, + "parent_node_id": "node_1090", + "improvement_over_parent": null + }, + "node_1092": { + "node_id": "node_1092", + "content": "MODIFICATION: Increase 10 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 524.33 kg\n Factor of Safety: 1.21\n Max Deflection: 6.38e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.3329548063457, + "fos_buckling": 1.21295766568481, + "fos_yielding": 13.112795190666665, + "deflection": 0.006375089121307073, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.269)" + }, + "parent_node_id": "node_1091", + "improvement_over_parent": null + }, + "node_1093": { + "node_id": "node_1093", + "content": "MODIFICATION: Increase 0 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.77 kg\n Factor of Safety: 1.37\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.7731896947013, + "fos_buckling": 1.3677183995466442, + "fos_yielding": 14.470937385344518, + "deflection": 0.005997614971459322, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.502)" + }, + "parent_node_id": "node_1092", + "improvement_over_parent": null + }, + "node_1094": { + "node_id": "node_1094", + "content": "MODIFICATION: Increase 4 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2550995738005, + "fos_buckling": 1.5373255700354864, + "fos_yielding": 14.268760589770729, + "deflection": 0.00595426697221532, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.381)" + }, + "parent_node_id": "node_1093", + "improvement_over_parent": null + }, + "node_1095": { + "node_id": "node_1095", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1094", + "improvement_over_parent": null + }, + "node_1096": { + "node_id": "node_1096", + "content": "INITIAL DESIGN (Trace 164)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 224.60 kg\n Factor of Safety: 0.27\n Max Deflection: 2.29e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 224.6034525027024, + "fos_buckling": 0.2708562129441115, + "fos_yielding": 3.969227922476101, + "deflection": 0.02288090662546468, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1097": { + "node_id": "node_1097", + "content": "MODIFICATION: Increase 3 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 233.99 kg\n Factor of Safety: 0.39\n Max Deflection: 2.07e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 233.9941409369641, + "fos_buckling": 0.38917033902876447, + "fos_yielding": 4.358428510336961, + "deflection": 0.020749936076946633, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.511)" + }, + "parent_node_id": "node_1096", + "improvement_over_parent": null + }, + "node_1098": { + "node_id": "node_1098", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 283.88 kg\n Factor of Safety: 0.46\n Max Deflection: 1.72e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 283.8763432379968, + "fos_buckling": 0.46034007463157545, + "fos_yielding": 5.259210935168453, + "deflection": 0.017154385345916234, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.227)" + }, + "parent_node_id": "node_1097", + "improvement_over_parent": null + }, + "node_1099": { + "node_id": "node_1099", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 344.90 kg\n Factor of Safety: 0.77\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.89943900594017, + "fos_buckling": 0.772578322936164, + "fos_yielding": 7.584580185817132, + "deflection": 0.010711407218763682, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007714)" + }, + "parent_node_id": "node_1098", + "improvement_over_parent": null + }, + "node_1100": { + "node_id": "node_1100", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 421.01 kg\n Factor of Safety: 0.91\n Max Deflection: 8.81e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.01156367298813, + "fos_buckling": 0.9122548268436144, + "fos_yielding": 9.23919336128165, + "deflection": 0.008811014516370402, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_1099", + "improvement_over_parent": null + }, + "node_1101": { + "node_id": "node_1101", + "content": "MODIFICATION: Increase 0 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 430.68 kg\n Factor of Safety: 0.91\n Max Deflection: 8.32e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.6765054348639, + "fos_buckling": 0.9116976499578524, + "fos_yielding": 11.190942865128017, + "deflection": 0.008322414477140624, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.230)" + }, + "parent_node_id": "node_1100", + "improvement_over_parent": null + }, + "node_1102": { + "node_id": "node_1102", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 487.92 kg\n Factor of Safety: 1.40\n Max Deflection: 6.64e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 487.91967769070357, + "fos_buckling": 1.4046207747247081, + "fos_yielding": 12.731738710296582, + "deflection": 0.006642750731218386, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008378)" + }, + "parent_node_id": "node_1101", + "improvement_over_parent": null + }, + "node_1103": { + "node_id": "node_1103", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.97 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.9671295614617, + "fos_buckling": 1.5390311454990162, + "fos_yielding": 14.290582234022743, + "deflection": 0.005946723015672733, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.133)" + }, + "parent_node_id": "node_1102", + "improvement_over_parent": null + }, + "node_1104": { + "node_id": "node_1104", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1103", + "improvement_over_parent": null + }, + "node_1105": { + "node_id": "node_1105", + "content": "INITIAL DESIGN (Trace 165)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 268.72 kg\n Factor of Safety: 0.46\n Max Deflection: 1.77e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.71886945688533, + "fos_buckling": 0.4614269489112389, + "fos_yielding": 5.272920059866729, + "deflection": 0.017708540817772987, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1106": { + "node_id": "node_1106", + "content": "MODIFICATION: Increase 0 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 276.31 kg\n Factor of Safety: 0.46\n Max Deflection: 1.77e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.3052935335476, + "fos_buckling": 0.4612035673692373, + "fos_yielding": 5.270396056559353, + "deflection": 0.017716165234392428, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.214)" + }, + "parent_node_id": "node_1105", + "improvement_over_parent": null + }, + "node_1107": { + "node_id": "node_1107", + "content": "MODIFICATION: Increase 8 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 292.47 kg\n Factor of Safety: 0.46\n Max Deflection: 1.65e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 292.4746027369428, + "fos_buckling": 0.46072818457380244, + "fos_yielding": 5.2650245824610336, + "deflection": 0.016524761662772405, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.383)" + }, + "parent_node_id": "node_1106", + "improvement_over_parent": null + }, + "node_1108": { + "node_id": "node_1108", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 351.05 kg\n Factor of Safety: 0.54\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.0481285915647, + "fos_buckling": 0.5370518197641075, + "fos_yielding": 6.28251786325615, + "deflection": 0.013817558017827539, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_1107", + "improvement_over_parent": null + }, + "node_1109": { + "node_id": "node_1109", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.66 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.65586235017963, + "fos_buckling": 0.5952637495928595, + "fos_yielding": 7.100804273246725, + "deflection": 0.012203246675410182, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.149)" + }, + "parent_node_id": "node_1108", + "improvement_over_parent": null + }, + "node_1110": { + "node_id": "node_1110", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.05 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.0510947835411, + "fos_buckling": 0.9981140860390939, + "fos_yielding": 12.487968769098, + "deflection": 0.007458252121208163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1109", + "improvement_over_parent": null + }, + "node_1111": { + "node_id": "node_1111", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1837476761617, + "fos_buckling": 1.5374081446637915, + "fos_yielding": 14.266701838589169, + "deflection": 0.0059549228034274275, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1110", + "improvement_over_parent": null + }, + "node_1112": { + "node_id": "node_1112", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1111", + "improvement_over_parent": null + }, + "node_1113": { + "node_id": "node_1113", + "content": "INITIAL DESIGN (Trace 166)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 293.93 kg\n Factor of Safety: 0.64\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 293.93190858797834, + "fos_buckling": 0.6392943882337091, + "fos_yielding": 7.450829448856722, + "deflection": 0.012502551380877757, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1114": { + "node_id": "node_1114", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n\nPerformance:\n Mass: 321.99 kg\n Factor of Safety: 0.99\n Max Deflection: 9.97e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.9882855877095, + "fos_buckling": 0.9867494035709015, + "fos_yielding": 8.37068941632743, + "deflection": 0.009965444911214427, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.004921)" + }, + "parent_node_id": "node_1113", + "improvement_over_parent": null + }, + "node_1115": { + "node_id": "node_1115", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 411.47 kg\n Factor of Safety: 1.22\n Max Deflection: 7.84e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.46643633428545, + "fos_buckling": 1.219639539795383, + "fos_yielding": 10.717344061006298, + "deflection": 0.007840816606457506, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.297)" + }, + "parent_node_id": "node_1114", + "improvement_over_parent": null + }, + "node_1116": { + "node_id": "node_1116", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 457.61 kg\n Factor of Safety: 1.33\n Max Deflection: 7.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.6095513027829, + "fos_buckling": 1.3329096455626697, + "fos_yielding": 11.931012759417035, + "deflection": 0.007069881431460336, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.121)" + }, + "parent_node_id": "node_1115", + "improvement_over_parent": null + }, + "node_1117": { + "node_id": "node_1117", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.77 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7665802043517, + "fos_buckling": 1.5387818120449617, + "fos_yielding": 14.282861084684871, + "deflection": 0.005948898521553139, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.214)" + }, + "parent_node_id": "node_1116", + "improvement_over_parent": null + }, + "node_1118": { + "node_id": "node_1118", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1117", + "improvement_over_parent": null + }, + "node_1119": { + "node_id": "node_1119", + "content": "INITIAL DESIGN (Trace 167)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 260.11 kg\n Factor of Safety: 0.12\n Max Deflection: 2.01e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 260.1127148181311, + "fos_buckling": 0.11812030910640164, + "fos_yielding": 1.1121519377046152, + "deflection": 201475896321377.62, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1120": { + "node_id": "node_1120", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 314.62 kg\n Factor of Safety: 0.16\n Max Deflection: 4.39e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.61955571629915, + "fos_buckling": 0.15512459309947396, + "fos_yielding": 2.3158654859100234, + "deflection": 43894597465898.89, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_1119", + "improvement_over_parent": null + }, + "node_1121": { + "node_id": "node_1121", + "content": "MODIFICATION: Increase 2 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 329.01 kg\n Factor of Safety: 1.09\n Max Deflection: 8.62e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.00943157179813, + "fos_buckling": 1.0870403182396253, + "fos_yielding": 3.4737982288650353, + "deflection": 86205850965186.22, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.626)" + }, + "parent_node_id": "node_1120", + "improvement_over_parent": null + }, + "node_1122": { + "node_id": "node_1122", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n\nPerformance:\n Mass: 339.66 kg\n Factor of Safety: 0.45\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.6642778114278, + "fos_buckling": 0.4493974687697826, + "fos_yielding": 4.800192706594371, + "deflection": 0.015061618640154662, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005068)" + }, + "parent_node_id": "node_1121", + "improvement_over_parent": null + }, + "node_1123": { + "node_id": "node_1123", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 378.77 kg\n Factor of Safety: 0.45\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.77371315837763, + "fos_buckling": 0.44829697610026664, + "fos_yielding": 4.78843790766252, + "deflection": 0.013630377805218967, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007007)" + }, + "parent_node_id": "node_1122", + "improvement_over_parent": null + }, + "node_1124": { + "node_id": "node_1124", + "content": "MODIFICATION: Increase 6 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 390.33 kg\n Factor of Safety: 0.45\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.332547826491, + "fos_buckling": 0.44797275547399906, + "fos_yielding": 4.784974778486921, + "deflection": 0.013565588886482367, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.241)" + }, + "parent_node_id": "node_1123", + "improvement_over_parent": null + }, + "node_1125": { + "node_id": "node_1125", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 474.95 kg\n Factor of Safety: 0.53\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.9530463263375, + "fos_buckling": 0.5293465935003656, + "fos_yielding": 5.801382933166817, + "deflection": 0.011195174754311237, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_1124", + "improvement_over_parent": null + }, + "node_1126": { + "node_id": "node_1126", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 558.35 kg\n Factor of Safety: 1.48\n Max Deflection: 5.91e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 558.3482787596989, + "fos_buckling": 1.4792852752098447, + "fos_yielding": 14.07784830785547, + "deflection": 0.005910185550268509, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1125", + "improvement_over_parent": null + }, + "node_1127": { + "node_id": "node_1127", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1126", + "improvement_over_parent": null + }, + "node_1128": { + "node_id": "node_1128", + "content": "INITIAL DESIGN (Trace 168)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 311.11 kg\n Factor of Safety: 0.49\n Max Deflection: 1.66e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 311.1054536615499, + "fos_buckling": 0.4857218052810866, + "fos_yielding": 5.591795480653814, + "deflection": 0.016585225109109765, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1129": { + "node_id": "node_1129", + "content": "MODIFICATION: Increase 4 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 313.85 kg\n Factor of Safety: 0.49\n Max Deflection: 1.63e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.85196685241823, + "fos_buckling": 0.48555195148527625, + "fos_yielding": 5.589863360216028, + "deflection": 0.01625371656595669, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.399)" + }, + "parent_node_id": "node_1128", + "improvement_over_parent": null + }, + "node_1130": { + "node_id": "node_1130", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 402.45 kg\n Factor of Safety: 0.60\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.4476567046896, + "fos_buckling": 0.5952289443037638, + "fos_yielding": 7.100674974839672, + "deflection": 0.012738845735117793, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_1129", + "improvement_over_parent": null + }, + "node_1131": { + "node_id": "node_1131", + "content": "MODIFICATION: Increase 0 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 415.20 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.19879615273595, + "fos_buckling": 0.5947488196385203, + "fos_yielding": 7.09503401932832, + "deflection": 0.012208595098004564, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.285)" + }, + "parent_node_id": "node_1130", + "improvement_over_parent": null + }, + "node_1132": { + "node_id": "node_1132", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.59 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.5940285860974, + "fos_buckling": 0.9968441729236619, + "fos_yielding": 12.476674556557365, + "deflection": 0.00746422126271715, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1131", + "improvement_over_parent": null + }, + "node_1133": { + "node_id": "node_1133", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1967930466004, + "fos_buckling": 1.5375666375042125, + "fos_yielding": 14.271502575245623, + "deflection": 0.0059548685481398845, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1132", + "improvement_over_parent": null + }, + "node_1134": { + "node_id": "node_1134", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1133", + "improvement_over_parent": null + }, + "node_1135": { + "node_id": "node_1135", + "content": "INITIAL DESIGN (Trace 169)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0015)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 218.78 kg\n Factor of Safety: 0.53\n Max Deflection: 1.49e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 218.78157128050293, + "fos_buckling": 0.5277011719580984, + "fos_yielding": 3.9145809996180416, + "deflection": 0.01490329021811758, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1136": { + "node_id": "node_1136", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0019)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 276.64 kg\n Factor of Safety: 0.66\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.6434020584596, + "fos_buckling": 0.6625008130889504, + "fos_yielding": 4.969803672497688, + "deflection": 0.011823331890184823, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_1135", + "improvement_over_parent": null + }, + "node_1137": { + "node_id": "node_1137", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0022)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 312.20 kg\n Factor of Safety: 0.74\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.203789646154, + "fos_buckling": 0.7443354579968909, + "fos_yielding": 5.622772996300085, + "deflection": 0.010496851301584119, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_1136", + "improvement_over_parent": null + }, + "node_1138": { + "node_id": "node_1138", + "content": "MODIFICATION: Increase 5 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 314.84 kg\n Factor of Safety: 0.97\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.84025898622286, + "fos_buckling": 0.9673912982147432, + "fos_yielding": 8.184789805360086, + "deflection": 0.010187205305250214, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.572)" + }, + "parent_node_id": "node_1137", + "improvement_over_parent": null + }, + "node_1139": { + "node_id": "node_1139", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 383.53 kg\n Factor of Safety: 1.15\n Max Deflection: 8.40e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.52867063030806, + "fos_buckling": 1.1488169580806218, + "fos_yielding": 9.985101369667946, + "deflection": 0.00839769952739577, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.232)" + }, + "parent_node_id": "node_1138", + "improvement_over_parent": null + }, + "node_1140": { + "node_id": "node_1140", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 430.34 kg\n Factor of Safety: 1.27\n Max Deflection: 7.51e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.34484446911904, + "fos_buckling": 1.26654825128508, + "fos_yielding": 11.215178241195366, + "deflection": 0.007505382460362817, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_1139", + "improvement_over_parent": null + }, + "node_1141": { + "node_id": "node_1141", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 476.04 kg\n Factor of Safety: 1.38\n Max Deflection: 6.80e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.0416856045308, + "fos_buckling": 1.3768786959892818, + "fos_yielding": 12.418224212347242, + "deflection": 0.006803664958922206, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_1140", + "improvement_over_parent": null + }, + "node_1142": { + "node_id": "node_1142", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 547.09 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.0925460442977, + "fos_buckling": 1.5395139125091735, + "fos_yielding": 14.293441390675275, + "deflection": 0.005945439745014363, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_1141", + "improvement_over_parent": null + }, + "node_1143": { + "node_id": "node_1143", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1142", + "improvement_over_parent": null + }, + "node_1144": { + "node_id": "node_1144", + "content": "INITIAL DESIGN (Trace 170)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n\nPerformance:\n Mass: 210.38 kg\n Factor of Safety: 0.51\n Max Deflection: 1.96e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 210.380897875157, + "fos_buckling": 0.5103185112820264, + "fos_yielding": 5.8189815194325645, + "deflection": 0.01958663189301329, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1145": { + "node_id": "node_1145", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 261.14 kg\n Factor of Safety: 0.62\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 261.14072262851175, + "fos_buckling": 0.619926569423797, + "fos_yielding": 7.199293613014496, + "deflection": 0.015810491715574693, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_1144", + "improvement_over_parent": null + }, + "node_1146": { + "node_id": "node_1146", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 340.27 kg\n Factor of Safety: 0.78\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.2690438173444, + "fos_buckling": 0.7805375159744704, + "fos_yielding": 9.332931107194325, + "deflection": 0.012171170684714435, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_1145", + "improvement_over_parent": null + }, + "node_1147": { + "node_id": "node_1147", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 387.74 kg\n Factor of Safety: 0.79\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.7437425831472, + "fos_buckling": 0.7872663766516762, + "fos_yielding": 9.41338847387435, + "deflection": 0.012171170684714431, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006849)" + }, + "parent_node_id": "node_1146", + "improvement_over_parent": null + }, + "node_1148": { + "node_id": "node_1148", + "content": "MODIFICATION: Increase 2 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 394.66 kg\n Factor of Safety: 0.79\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.66476410431545, + "fos_buckling": 0.787151022938815, + "fos_yielding": 9.412009183022782, + "deflection": 0.012176575291580252, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.261)" + }, + "parent_node_id": "node_1147", + "improvement_over_parent": null + }, + "node_1149": { + "node_id": "node_1149", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 404.27 kg\n Factor of Safety: 1.20\n Max Deflection: 7.98e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.26542958548487, + "fos_buckling": 1.2015217080235985, + "fos_yielding": 10.530498494569793, + "deflection": 0.007977047675962726, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004532)" + }, + "parent_node_id": "node_1148", + "improvement_over_parent": null + }, + "node_1150": { + "node_id": "node_1150", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n\nPerformance:\n Mass: 453.39 kg\n Factor of Safety: 1.32\n Max Deflection: 7.13e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.39096112198644, + "fos_buckling": 1.322720492454556, + "fos_yielding": 11.82255785301256, + "deflection": 0.007133886562367747, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_1149", + "improvement_over_parent": null + }, + "node_1151": { + "node_id": "node_1151", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.282224998675, + "fos_buckling": 1.5376833300087196, + "fos_yielding": 14.273143605929457, + "deflection": 0.005954033997645045, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_1150", + "improvement_over_parent": null + }, + "node_1152": { + "node_id": "node_1152", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1151", + "improvement_over_parent": null + }, + "node_1153": { + "node_id": "node_1153", + "content": "INITIAL DESIGN (Trace 171)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 431.73 kg\n Factor of Safety: 0.91\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.7294147647955, + "fos_buckling": 0.9084023333366611, + "fos_yielding": 11.14767617375565, + "deflection": 0.010135072934556804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1154": { + "node_id": "node_1154", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 485.95 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.9477569317272, + "fos_buckling": 0.9990162338687973, + "fos_yielding": 12.506469444033565, + "deflection": 0.009018101684146339, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_1153", + "improvement_over_parent": null + }, + "node_1155": { + "node_id": "node_1155", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.92 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.91727644128207, + "fos_buckling": 0.9973856096281722, + "fos_yielding": 12.486056009748221, + "deflection": 0.0074593028162427575, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1154", + "improvement_over_parent": null + }, + "node_1156": { + "node_id": "node_1156", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.52 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.520040901785, + "fos_buckling": 1.5381758785597122, + "fos_yielding": 14.271841980617856, + "deflection": 0.005951510500221811, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1155", + "improvement_over_parent": null + }, + "node_1157": { + "node_id": "node_1157", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1156", + "improvement_over_parent": null + }, + "node_1158": { + "node_id": "node_1158", + "content": "INITIAL DESIGN (Trace 172)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 352.13 kg\n Factor of Safety: 0.96\n Max Deflection: 9.48e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.1300965047917, + "fos_buckling": 0.9605264686514436, + "fos_yielding": 8.789422328301741, + "deflection": 0.009483976747749534, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1159": { + "node_id": "node_1159", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 459.67 kg\n Factor of Safety: 1.21\n Max Deflection: 7.31e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.67022285524604, + "fos_buckling": 1.2139195704996801, + "fos_yielding": 11.500464715063732, + "deflection": 0.007305824758452094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_1158", + "improvement_over_parent": null + }, + "node_1160": { + "node_id": "node_1160", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 506.80 kg\n Factor of Safety: 1.32\n Max Deflection: 6.64e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 506.80499207123404, + "fos_buckling": 1.3191902994077547, + "fos_yielding": 12.693104553322561, + "deflection": 0.0066423482568971105, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_1159", + "improvement_over_parent": null + }, + "node_1161": { + "node_id": "node_1161", + "content": "MODIFICATION: Increase 0 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 528.27 kg\n Factor of Safety: 1.32\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.2662883268173, + "fos_buckling": 1.3242693355710238, + "fos_yielding": 13.630293761228764, + "deflection": 0.006221152756681115, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.582)" + }, + "parent_node_id": "node_1160", + "improvement_over_parent": null + }, + "node_1162": { + "node_id": "node_1162", + "content": "MODIFICATION: Increase 10 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.36 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3640281276424, + "fos_buckling": 1.5377511557167272, + "fos_yielding": 14.27245363090164, + "deflection": 0.005953038193507398, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.304)" + }, + "parent_node_id": "node_1161", + "improvement_over_parent": null + }, + "node_1163": { + "node_id": "node_1163", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1162", + "improvement_over_parent": null + }, + "node_1164": { + "node_id": "node_1164", + "content": "INITIAL DESIGN (Trace 173)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 300.62 kg\n Factor of Safety: 0.88\n Max Deflection: 1.13e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 300.61583688747, + "fos_buckling": 0.880332160853607, + "fos_yielding": 7.235785907429725, + "deflection": 11342973316439.61, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1165": { + "node_id": "node_1165", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 342.16 kg\n Factor of Safety: 6.58\n Max Deflection: 1.21e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 342.15686762370444, + "fos_buckling": 6.583071123104958, + "fos_yielding": 17.84138794293978, + "deflection": 12050151088148.184, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007479)" + }, + "parent_node_id": "node_1164", + "improvement_over_parent": null + }, + "node_1166": { + "node_id": "node_1166", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 383.70 kg\n Factor of Safety: 0.53\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.6978983599389, + "fos_buckling": 0.532080463462174, + "fos_yielding": 6.217209029559467, + "deflection": 0.012853237049001813, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007479)" + }, + "parent_node_id": "node_1165", + "improvement_over_parent": null + }, + "node_1167": { + "node_id": "node_1167", + "content": "MODIFICATION: Increase 1 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 394.67 kg\n Factor of Safety: 0.53\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.6747166465956, + "fos_buckling": 0.5317105355696015, + "fos_yielding": 6.2129437591173104, + "deflection": 0.012587743765845231, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.276)" + }, + "parent_node_id": "node_1166", + "improvement_over_parent": null + }, + "node_1168": { + "node_id": "node_1168", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 452.28 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 452.279388480439, + "fos_buckling": 0.5933653076151308, + "fos_yielding": 7.078997539985123, + "deflection": 0.011025697480794868, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_1167", + "improvement_over_parent": null + }, + "node_1169": { + "node_id": "node_1169", + "content": "MODIFICATION: Increase 0 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.80 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.7967270615071, + "fos_buckling": 0.5929717181812597, + "fos_yielding": 7.0743727112917245, + "deflection": 0.011031748589452476, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.225)" + }, + "parent_node_id": "node_1168", + "improvement_over_parent": null + }, + "node_1170": { + "node_id": "node_1170", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.19 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1919594948686, + "fos_buckling": 1.5374317612257322, + "fos_yielding": 14.267855463396927, + "deflection": 0.005954952605623585, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1169", + "improvement_over_parent": null + }, + "node_1171": { + "node_id": "node_1171", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1170", + "improvement_over_parent": null + }, + "node_1172": { + "node_id": "node_1172", + "content": "INITIAL DESIGN (Trace 174)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n\nPerformance:\n Mass: 260.92 kg\n Factor of Safety: 0.37\n Max Deflection: 2.00e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 260.9207333626943, + "fos_buckling": 0.3679891081295099, + "fos_yielding": 3.106221210435377, + "deflection": 0.020049712899050436, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1173": { + "node_id": "node_1173", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 308.33 kg\n Factor of Safety: 0.79\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 308.3254989318995, + "fos_buckling": 0.7856125611795045, + "fos_yielding": 5.961559509177508, + "deflection": 0.010570677677857684, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005905)" + }, + "parent_node_id": "node_1172", + "improvement_over_parent": null + }, + "node_1174": { + "node_id": "node_1174", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 343.94 kg\n Factor of Safety: 0.87\n Max Deflection: 9.49e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 343.94060699038164, + "fos_buckling": 0.8716257175389431, + "fos_yielding": 6.665398016761075, + "deflection": 0.009494856103446843, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.122)" + }, + "parent_node_id": "node_1173", + "improvement_over_parent": null + }, + "node_1175": { + "node_id": "node_1175", + "content": "MODIFICATION: Increase 5 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 346.35 kg\n Factor of Safety: 1.05\n Max Deflection: 9.28e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.3465063943287, + "fos_buckling": 1.0518638685971065, + "fos_yielding": 9.005043130020482, + "deflection": 0.009278460328859803, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.437)" + }, + "parent_node_id": "node_1174", + "improvement_over_parent": null + }, + "node_1176": { + "node_id": "node_1176", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 443.62 kg\n Factor of Safety: 1.30\n Max Deflection: 7.29e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 443.6190066257568, + "fos_buckling": 1.2990213741138092, + "fos_yielding": 11.558271709365105, + "deflection": 0.007286792213395786, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.302)" + }, + "parent_node_id": "node_1175", + "improvement_over_parent": null + }, + "node_1177": { + "node_id": "node_1177", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.84 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8446505246006, + "fos_buckling": 1.5367030435711768, + "fos_yielding": 14.253059116029767, + "deflection": 0.005958699100865407, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_1176", + "improvement_over_parent": null + }, + "node_1178": { + "node_id": "node_1178", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1177", + "improvement_over_parent": null + }, + "node_1179": { + "node_id": "node_1179", + "content": "INITIAL DESIGN (Trace 175)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1180": { + "node_id": "node_1180", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 315.35 kg\n Factor of Safety: 0.15\n Max Deflection: 4.26e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.3508915059566, + "fos_buckling": 0.15464242025916417, + "fos_yielding": 1.7496741039195112, + "deflection": 42558051290817.695, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1179", + "improvement_over_parent": null + }, + "node_1181": { + "node_id": "node_1181", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 379.48 kg\n Factor of Safety: 0.59\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.48354439857724, + "fos_buckling": 0.5877743479422259, + "fos_yielding": 4.942003178240961, + "deflection": 0.016697352886302225, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1180", + "improvement_over_parent": null + }, + "node_1182": { + "node_id": "node_1182", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8787768319387, + "fos_buckling": 0.5930888805578486, + "fos_yielding": 7.075369992038722, + "deflection": 0.011030259682862711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1181", + "improvement_over_parent": null + }, + "node_1183": { + "node_id": "node_1183", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2740092653002, + "fos_buckling": 1.5376649520212504, + "fos_yielding": 14.269704657158648, + "deflection": 0.005954101413704511, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1182", + "improvement_over_parent": null + }, + "node_1184": { + "node_id": "node_1184", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1183", + "improvement_over_parent": null + }, + "node_1185": { + "node_id": "node_1185", + "content": "INITIAL DESIGN (Trace 176)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 353.97 kg\n Factor of Safety: 0.69\n Max Deflection: 2.95e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.9695128683066, + "fos_buckling": 0.6873239635692531, + "fos_yielding": 11.62558146711466, + "deflection": 29459485370347.164, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1186": { + "node_id": "node_1186", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 398.75 kg\n Factor of Safety: 1.52\n Max Deflection: 1.39e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 398.7474523275022, + "fos_buckling": 1.5178079878685256, + "fos_yielding": 10.90993856255395, + "deflection": 13904139330703.342, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_1185", + "improvement_over_parent": null + }, + "node_1187": { + "node_id": "node_1187", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8801052201228, + "fos_buckling": 0.5930558947255048, + "fos_yielding": 7.075390536159871, + "deflection": 0.011030336577050142, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1186", + "improvement_over_parent": null + }, + "node_1188": { + "node_id": "node_1188", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2753376534843, + "fos_buckling": 1.5376620795652678, + "fos_yielding": 14.269900452224691, + "deflection": 0.005954073618026429, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1187", + "improvement_over_parent": null + }, + "node_1189": { + "node_id": "node_1189", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1188", + "improvement_over_parent": null + }, + "node_1190": { + "node_id": "node_1190", + "content": "INITIAL DESIGN (Trace 177)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 220.81 kg\n Factor of Safety: 0.70\n Max Deflection: 1.44e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 220.81349770293724, + "fos_buckling": 0.7020604564164363, + "fos_yielding": 5.728054830895803, + "deflection": 0.014442038555692581, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1191": { + "node_id": "node_1191", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 282.13 kg\n Factor of Safety: 0.88\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.1278996879409, + "fos_buckling": 0.877316475673108, + "fos_yielding": 7.328178762423646, + "deflection": 0.011345820790788863, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_1190", + "improvement_over_parent": null + }, + "node_1192": { + "node_id": "node_1192", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 368.87 kg\n Factor of Safety: 1.11\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.8684454378549, + "fos_buckling": 1.1109589197893865, + "fos_yielding": 9.599022352298777, + "deflection": 0.008723744864499328, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_1191", + "improvement_over_parent": null + }, + "node_1193": { + "node_id": "node_1193", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 428.70 kg\n Factor of Safety: 1.26\n Max Deflection: 7.53e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.7033859484366, + "fos_buckling": 1.2624930436789583, + "fos_yielding": 11.170404869359913, + "deflection": 0.007533415633813832, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_1192", + "improvement_over_parent": null + }, + "node_1194": { + "node_id": "node_1194", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.49 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.4909273100259, + "fos_buckling": 1.5359568710407832, + "fos_yielding": 14.249111659013472, + "deflection": 0.0059623558038172635, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.299)" + }, + "parent_node_id": "node_1193", + "improvement_over_parent": null + }, + "node_1195": { + "node_id": "node_1195", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1194", + "improvement_over_parent": null + }, + "node_1196": { + "node_id": "node_1196", + "content": "INITIAL DESIGN (Trace 178)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n\nPerformance:\n Mass: 257.86 kg\n Factor of Safety: 0.81\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.85907475990433, + "fos_buckling": 0.8089556243520175, + "fos_yielding": 6.694333501665426, + "deflection": 0.012395268846022454, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1197": { + "node_id": "node_1197", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 337.58 kg\n Factor of Safety: 1.03\n Max Deflection: 9.51e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.5829699237785, + "fos_buckling": 1.028605783753889, + "fos_yielding": 8.779005799223333, + "deflection": 0.009514116560504757, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_1196", + "improvement_over_parent": null + }, + "node_1198": { + "node_id": "node_1198", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 424.85 kg\n Factor of Safety: 1.25\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.8517585410587, + "fos_buckling": 1.25297352362344, + "fos_yielding": 11.06913226447339, + "deflection": 0.007599941507773038, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.277)" + }, + "parent_node_id": "node_1197", + "improvement_over_parent": null + }, + "node_1199": { + "node_id": "node_1199", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3828080348048, + "fos_buckling": 1.5379329723997042, + "fos_yielding": 14.272682505016403, + "deflection": 0.005952942049176925, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_1198", + "improvement_over_parent": null + }, + "node_1200": { + "node_id": "node_1200", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1199", + "improvement_over_parent": null + }, + "node_1201": { + "node_id": "node_1201", + "content": "INITIAL DESIGN (Trace 179)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 324.95 kg\n Factor of Safety: 0.99\n Max Deflection: 9.88e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.9489504005214, + "fos_buckling": 0.9947376741556081, + "fos_yielding": 8.448169330493647, + "deflection": 0.009876431740081796, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1202": { + "node_id": "node_1202", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 398.69 kg\n Factor of Safety: 1.19\n Max Deflection: 8.09e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.6927438895388, + "fos_buckling": 1.187466463406246, + "fos_yielding": 10.381763352300814, + "deflection": 0.008085773694021388, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_1201", + "improvement_over_parent": null + }, + "node_1203": { + "node_id": "node_1203", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 489.79 kg\n Factor of Safety: 1.41\n Max Deflection: 6.62e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.7949232053553, + "fos_buckling": 1.4091943662723911, + "fos_yielding": 12.778951061823976, + "deflection": 0.006618142921374935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.248)" + }, + "parent_node_id": "node_1202", + "improvement_over_parent": null + }, + "node_1204": { + "node_id": "node_1204", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.96 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9590550388066, + "fos_buckling": 1.5369942920256225, + "fos_yielding": 14.261483342634211, + "deflection": 0.005957410904930466, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.126)" + }, + "parent_node_id": "node_1203", + "improvement_over_parent": null + }, + "node_1205": { + "node_id": "node_1205", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1204", + "improvement_over_parent": null + }, + "node_1206": { + "node_id": "node_1206", + "content": "INITIAL DESIGN (Trace 180)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1207": { + "node_id": "node_1207", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 274.67 kg\n Factor of Safety: 0.45\n Max Deflection: 2.55e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 274.67297093037655, + "fos_buckling": 0.44991931837654997, + "fos_yielding": 3.6178929537148625, + "deflection": 25523320184467.46, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006916)" + }, + "parent_node_id": "node_1206", + "improvement_over_parent": null + }, + "node_1208": { + "node_id": "node_1208", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 304.23 kg\n Factor of Safety: 0.47\n Max Deflection: 1.12e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 304.2348601845535, + "fos_buckling": 0.4662375242668873, + "fos_yielding": 0.4522366192143577, + "deflection": 111654759872202.47, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_1207", + "improvement_over_parent": null + }, + "node_1209": { + "node_id": "node_1209", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 343.61 kg\n Factor of Safety: 0.39\n Max Deflection: 8.74e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 343.6082653475789, + "fos_buckling": 0.39360944359661104, + "fos_yielding": 0.4522366192143577, + "deflection": 87360560326116.38, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007058)" + }, + "parent_node_id": "node_1208", + "improvement_over_parent": null + }, + "node_1210": { + "node_id": "node_1210", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 382.98 kg\n Factor of Safety: 0.51\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.98167051060426, + "fos_buckling": 0.5083785190953006, + "fos_yielding": 5.898768927457048, + "deflection": 0.013268080587362273, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007058)" + }, + "parent_node_id": "node_1209", + "improvement_over_parent": null + }, + "node_1211": { + "node_id": "node_1211", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 463.19 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.187345737173, + "fos_buckling": 0.5932475839585741, + "fos_yielding": 7.080407646966289, + "deflection": 0.011023498125725457, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.230)" + }, + "parent_node_id": "node_1210", + "improvement_over_parent": null + }, + "node_1212": { + "node_id": "node_1212", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.58 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5825781705345, + "fos_buckling": 1.5378016088404423, + "fos_yielding": 14.27978086085807, + "deflection": 0.005950809910847475, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1211", + "improvement_over_parent": null + }, + "node_1213": { + "node_id": "node_1213", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1212", + "improvement_over_parent": null + }, + "node_1214": { + "node_id": "node_1214", + "content": "INITIAL DESIGN (Trace 181)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 430.96 kg\n Factor of Safety: 1.00\n Max Deflection: 9.19e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.9611035195577, + "fos_buckling": 1.0012639764555404, + "fos_yielding": 12.533494626379676, + "deflection": 0.009189144065402909, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1215": { + "node_id": "node_1215", + "content": "MODIFICATION: Increase 6 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 451.11 kg\n Factor of Safety: 1.00\n Max Deflection: 9.20e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.107354383754, + "fos_buckling": 0.9999908293842581, + "fos_yielding": 12.517557788191422, + "deflection": 0.009204500900013984, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.502)" + }, + "parent_node_id": "node_1214", + "improvement_over_parent": null + }, + "node_1216": { + "node_id": "node_1216", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 498.71 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.71011884425695, + "fos_buckling": 0.9969953863179692, + "fos_yielding": 12.480061812646719, + "deflection": 0.007462610582540271, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1215", + "improvement_over_parent": null + }, + "node_1217": { + "node_id": "node_1217", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3128833047599, + "fos_buckling": 1.5377003342939413, + "fos_yielding": 14.268921732627147, + "deflection": 0.005953834173469497, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1216", + "improvement_over_parent": null + }, + "node_1218": { + "node_id": "node_1218", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1217", + "improvement_over_parent": null + }, + "node_1219": { + "node_id": "node_1219", + "content": "INITIAL DESIGN (Trace 182)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0032)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 238.65 kg\n Factor of Safety: 0.57\n Max Deflection: 1.45e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.65214938223997, + "fos_buckling": 0.5673715033962863, + "fos_yielding": 6.53080012671973, + "deflection": 0.014485349453881777, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1220": { + "node_id": "node_1220", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0032)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n\nPerformance:\n Mass: 271.67 kg\n Factor of Safety: 0.78\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 271.66861400705164, + "fos_buckling": 0.7844274730175117, + "fos_yielding": 7.6939367253646385, + "deflection": 0.011676541393868737, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004668)" + }, + "parent_node_id": "node_1219", + "improvement_over_parent": null + }, + "node_1221": { + "node_id": "node_1221", + "content": "MODIFICATION: Increase 3 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n\nPerformance:\n Mass: 277.68 kg\n Factor of Safety: 0.85\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.6780631229014, + "fos_buckling": 0.8533626957156886, + "fos_yielding": 7.436983130612921, + "deflection": 0.011484414474999078, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.339)" + }, + "parent_node_id": "node_1220", + "improvement_over_parent": null + }, + "node_1222": { + "node_id": "node_1222", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n\nPerformance:\n Mass: 364.68 kg\n Factor of Safety: 1.09\n Max Deflection: 8.79e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.6778878742896, + "fos_buckling": 1.0905206118240833, + "fos_yielding": 9.783096981763908, + "deflection": 0.008791283131041334, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_1221", + "improvement_over_parent": null + }, + "node_1223": { + "node_id": "node_1223", + "content": "MODIFICATION: Increase 2 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n\nPerformance:\n Mass: 369.30 kg\n Factor of Safety: 1.11\n Max Deflection: 8.71e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.30001842268086, + "fos_buckling": 1.1120066485313602, + "fos_yielding": 9.610199331559393, + "deflection": 0.008713792780708395, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.178)" + }, + "parent_node_id": "node_1222", + "improvement_over_parent": null + }, + "node_1224": { + "node_id": "node_1224", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 440.07 kg\n Factor of Safety: 1.29\n Max Deflection: 7.34e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.074520613963, + "fos_buckling": 1.2903260686474354, + "fos_yielding": 11.469319885263129, + "deflection": 0.007343817576803429, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.206)" + }, + "parent_node_id": "node_1223", + "improvement_over_parent": null + }, + "node_1225": { + "node_id": "node_1225", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.90 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8976799453019, + "fos_buckling": 1.536761206259915, + "fos_yielding": 14.25965379848932, + "deflection": 0.005958068189390598, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_1224", + "improvement_over_parent": null + }, + "node_1226": { + "node_id": "node_1226", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1225", + "improvement_over_parent": null + }, + "node_1227": { + "node_id": "node_1227", + "content": "INITIAL DESIGN (Trace 183)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 410.32 kg\n Factor of Safety: 0.93\n Max Deflection: 7.97e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.31798285643254, + "fos_buckling": 0.9299052596815839, + "fos_yielding": 9.638216696095691, + "deflection": 0.007972971318464157, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1228": { + "node_id": "node_1228", + "content": "MODIFICATION: Increase 6 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 412.99 kg\n Factor of Safety: 1.24\n Max Deflection: 7.87e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.99039366446806, + "fos_buckling": 1.2397312277354304, + "fos_yielding": 10.657945486315109, + "deflection": 0.00787482016469244, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.603)" + }, + "parent_node_id": "node_1227", + "improvement_over_parent": null + }, + "node_1229": { + "node_id": "node_1229", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 537.35 kg\n Factor of Safety: 1.54\n Max Deflection: 6.10e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 537.3549785637357, + "fos_buckling": 1.5363694138534865, + "fos_yielding": 13.902293981554593, + "deflection": 0.006096518356746976, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_1228", + "improvement_over_parent": null + }, + "node_1230": { + "node_id": "node_1230", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.57 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5708057630973, + "fos_buckling": 1.5381514734517803, + "fos_yielding": 14.277962682393861, + "deflection": 0.005950861397723284, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.192)" + }, + "parent_node_id": "node_1229", + "improvement_over_parent": null + }, + "node_1231": { + "node_id": "node_1231", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1230", + "improvement_over_parent": null + }, + "node_1232": { + "node_id": "node_1232", + "content": "INITIAL DESIGN (Trace 184)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 399.32 kg\n Factor of Safety: 1.00\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.31683510795176, + "fos_buckling": 1.0030456110294006, + "fos_yielding": 6.562557030158741, + "deflection": 0.011960615891563215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1233": { + "node_id": "node_1233", + "content": "MODIFICATION: Increase 4 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 402.86 kg\n Factor of Safety: 1.00\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.8611792242673, + "fos_buckling": 1.0030456110294006, + "fos_yielding": 6.562557030158741, + "deflection": 0.011960615891563215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.637)" + }, + "parent_node_id": "node_1232", + "improvement_over_parent": null + }, + "node_1234": { + "node_id": "node_1234", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 450.46 kg\n Factor of Safety: 1.00\n Max Deflection: 8.99e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.46394368477024, + "fos_buckling": 1.0000318665707704, + "fos_yielding": 8.738769669800307, + "deflection": 0.008986705208933557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1233", + "improvement_over_parent": null + }, + "node_1235": { + "node_id": "node_1235", + "content": "MODIFICATION: Increase 1 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 469.17 kg\n Factor of Safety: 1.00\n Max Deflection: 8.09e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.1712496169446, + "fos_buckling": 0.9988524528998983, + "fos_yielding": 12.069142994967866, + "deflection": 0.008094404066724356, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.475)" + }, + "parent_node_id": "node_1234", + "improvement_over_parent": null + }, + "node_1236": { + "node_id": "node_1236", + "content": "MODIFICATION: Increase 0 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 488.77 kg\n Factor of Safety: 1.00\n Max Deflection: 7.61e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 488.7749378518097, + "fos_buckling": 0.997619507656099, + "fos_yielding": 12.492688914001365, + "deflection": 0.00760903968488018, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.653)" + }, + "parent_node_id": "node_1235", + "improvement_over_parent": null + }, + "node_1237": { + "node_id": "node_1237", + "content": "MODIFICATION: Increase 0 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 498.66 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.66143531398643, + "fos_buckling": 0.9969988647653799, + "fos_yielding": 12.484916914255033, + "deflection": 0.007462644193616855, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.209)" + }, + "parent_node_id": "node_1236", + "improvement_over_parent": null + }, + "node_1238": { + "node_id": "node_1238", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2641997744894, + "fos_buckling": 1.5376468220503008, + "fos_yielding": 14.268407151623261, + "deflection": 0.0059542756395562155, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1237", + "improvement_over_parent": null + }, + "node_1239": { + "node_id": "node_1239", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1238", + "improvement_over_parent": null + }, + "node_1240": { + "node_id": "node_1240", + "content": "INITIAL DESIGN (Trace 185)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 357.30 kg\n Factor of Safety: 0.03\n Max Deflection: 5.20e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.3017807562433, + "fos_buckling": 0.027339767858155832, + "fos_yielding": 0.2261183096071789, + "deflection": 519667191210865.4, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1241": { + "node_id": "node_1241", + "content": "MODIFICATION: Increase 4 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 359.49 kg\n Factor of Safety: 3.72\n Max Deflection: 4.93e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 359.48873703463966, + "fos_buckling": 3.715590919984014, + "fos_yielding": 7.73098307265245, + "deflection": 49346320037434.164, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.362)" + }, + "parent_node_id": "node_1240", + "improvement_over_parent": null + }, + "node_1242": { + "node_id": "node_1242", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 395.82 kg\n Factor of Safety: 0.43\n Max Deflection: 2.98e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.81880835112037, + "fos_buckling": 0.4303205927605258, + "fos_yielding": 3.6178929537148625, + "deflection": 29767726660153.37, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.111)" + }, + "parent_node_id": "node_1241", + "improvement_over_parent": null + }, + "node_1243": { + "node_id": "node_1243", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 459.95 kg\n Factor of Safety: 0.47\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.95146124374094, + "fos_buckling": 0.4681151393294774, + "fos_yielding": 5.034288736844209, + "deflection": 0.011437697394138262, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1242", + "improvement_over_parent": null + }, + "node_1244": { + "node_id": "node_1244", + "content": "MODIFICATION: Increase 6 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.73 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.73224925536283, + "fos_buckling": 0.5928811760181119, + "fos_yielding": 7.074035355558543, + "deflection": 0.011032975566893853, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.445)" + }, + "parent_node_id": "node_1243", + "improvement_over_parent": null + }, + "node_1245": { + "node_id": "node_1245", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.13 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1274816887243, + "fos_buckling": 1.5372396645930124, + "fos_yielding": 14.264847100889382, + "deflection": 0.005955689157738865, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1244", + "improvement_over_parent": null + }, + "node_1246": { + "node_id": "node_1246", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1245", + "improvement_over_parent": null + }, + "node_1247": { + "node_id": "node_1247", + "content": "INITIAL DESIGN (Trace 186)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 319.78 kg\n Factor of Safety: 0.44\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.7815274629641, + "fos_buckling": 0.43643864531076954, + "fos_yielding": 4.954568362399331, + "deflection": 0.015829458095591244, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1248": { + "node_id": "node_1248", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n\nPerformance:\n Mass: 355.81 kg\n Factor of Safety: 0.83\n Max Deflection: 9.32e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.8076831600029, + "fos_buckling": 0.8316404778270794, + "fos_yielding": 8.965463085229905, + "deflection": 0.009321700023209381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.004435)" + }, + "parent_node_id": "node_1247", + "improvement_over_parent": null + }, + "node_1249": { + "node_id": "node_1249", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n\nPerformance:\n Mass: 398.76 kg\n Factor of Safety: 0.92\n Max Deflection: 8.34e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.76377717916813, + "fos_buckling": 0.9232215726444895, + "fos_yielding": 10.059359197222765, + "deflection": 0.008336523316609019, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1248", + "improvement_over_parent": null + }, + "node_1250": { + "node_id": "node_1250", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 444.99 kg\n Factor of Safety: 1.02\n Max Deflection: 7.49e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.987058226853, + "fos_buckling": 1.019666888695632, + "fos_yielding": 11.239379180091841, + "deflection": 0.007488792791407847, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_1249", + "improvement_over_parent": null + }, + "node_1251": { + "node_id": "node_1251", + "content": "MODIFICATION: Increase 10 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 471.71 kg\n Factor of Safety: 1.37\n Max Deflection: 6.86e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.7123841068337, + "fos_buckling": 1.36652759799192, + "fos_yielding": 12.30255240101552, + "deflection": 0.006864271022112228, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.637)" + }, + "parent_node_id": "node_1250", + "improvement_over_parent": null + }, + "node_1252": { + "node_id": "node_1252", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4255467306324, + "fos_buckling": 1.537938999532492, + "fos_yielding": 14.273990567121816, + "deflection": 0.005952420544205522, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_1251", + "improvement_over_parent": null + }, + "node_1253": { + "node_id": "node_1253", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1252", + "improvement_over_parent": null + }, + "node_1254": { + "node_id": "node_1254", + "content": "INITIAL DESIGN (Trace 187)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 352.34 kg\n Factor of Safety: 0.84\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.3369965801893, + "fos_buckling": 0.8436692205749577, + "fos_yielding": 10.212386200763564, + "deflection": 0.01125930520623706, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1255": { + "node_id": "node_1255", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 404.34 kg\n Factor of Safety: 0.84\n Max Deflection: 9.15e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.34064415290317, + "fos_buckling": 0.8408921126085251, + "fos_yielding": 10.178770064980988, + "deflection": 0.00915086236373243, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007552)" + }, + "parent_node_id": "node_1254", + "improvement_over_parent": null + }, + "node_1256": { + "node_id": "node_1256", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.61 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.61428654973935, + "fos_buckling": 0.9968923880647163, + "fos_yielding": 12.478472505460024, + "deflection": 0.007463771773799932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.256)" + }, + "parent_node_id": "node_1255", + "improvement_over_parent": null + }, + "node_1257": { + "node_id": "node_1257", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2170510102424, + "fos_buckling": 1.537547442238612, + "fos_yielding": 14.267607240264361, + "deflection": 0.005954737094591064, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1256", + "improvement_over_parent": null + }, + "node_1258": { + "node_id": "node_1258", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1257", + "improvement_over_parent": null + }, + "node_1259": { + "node_id": "node_1259", + "content": "INITIAL DESIGN (Trace 188)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0036)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n\nPerformance:\n Mass: 283.82 kg\n Factor of Safety: 0.43\n Max Deflection: 1.76e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 283.8235194630516, + "fos_buckling": 0.4260466753203889, + "fos_yielding": 4.686405407045991, + "deflection": 0.01759381681157072, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1260": { + "node_id": "node_1260", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 354.91 kg\n Factor of Safety: 0.51\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.9135792725806, + "fos_buckling": 0.5148701883507015, + "fos_yielding": 5.8583393821307554, + "deflection": 0.01412668892521351, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_1259", + "improvement_over_parent": null + }, + "node_1261": { + "node_id": "node_1261", + "content": "MODIFICATION: Increase 7 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 366.35 kg\n Factor of Safety: 0.51\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.3529184687572, + "fos_buckling": 0.5144964775430411, + "fos_yielding": 5.977877820030725, + "deflection": 0.013654427506134673, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.325)" + }, + "parent_node_id": "node_1260", + "improvement_over_parent": null + }, + "node_1262": { + "node_id": "node_1262", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 438.04 kg\n Factor of Safety: 0.59\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.0436474950912, + "fos_buckling": 0.5944894624426861, + "fos_yielding": 7.0935355180415645, + "deflection": 0.011469430721624941, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.214)" + }, + "parent_node_id": "node_1261", + "improvement_over_parent": null + }, + "node_1263": { + "node_id": "node_1263", + "content": "MODIFICATION: Increase 7 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.34 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.33726114116513, + "fos_buckling": 0.593541140355121, + "fos_yielding": 7.082390791954282, + "deflection": 0.011019501545627105, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.477)" + }, + "parent_node_id": "node_1262", + "improvement_over_parent": null + }, + "node_1264": { + "node_id": "node_1264", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.73 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7324935745265, + "fos_buckling": 1.5379448526754074, + "fos_yielding": 14.281453445598766, + "deflection": 0.005949447032484063, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1263", + "improvement_over_parent": null + }, + "node_1265": { + "node_id": "node_1265", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1264", + "improvement_over_parent": null + }, + "node_1266": { + "node_id": "node_1266", + "content": "INITIAL DESIGN (Trace 189)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 352.46 kg\n Factor of Safety: 0.54\n Max Deflection: 1.40e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.45718275470927, + "fos_buckling": 0.5444767555618243, + "fos_yielding": 5.676124224222939, + "deflection": 0.014048273603225157, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1267": { + "node_id": "node_1267", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 427.05 kg\n Factor of Safety: 0.91\n Max Deflection: 8.37e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.0547197042979, + "fos_buckling": 0.9130718143646361, + "fos_yielding": 11.216087387515898, + "deflection": 0.008365676305164434, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009576)" + }, + "parent_node_id": "node_1266", + "improvement_over_parent": null + }, + "node_1268": { + "node_id": "node_1268", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 484.42 kg\n Factor of Safety: 1.11\n Max Deflection: 6.84e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.41737348144034, + "fos_buckling": 1.1076439762221124, + "fos_yielding": 8.64282750073109, + "deflection": 0.006839594769919014, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008397)" + }, + "parent_node_id": "node_1267", + "improvement_over_parent": null + }, + "node_1269": { + "node_id": "node_1269", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 541.76 kg\n Factor of Safety: 1.23\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.7586369227312, + "fos_buckling": 1.2299250296185094, + "fos_yielding": 9.71088213293697, + "deflection": 0.006134160588097579, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.130)" + }, + "parent_node_id": "node_1268", + "improvement_over_parent": null + }, + "node_1270": { + "node_id": "node_1270", + "content": "MODIFICATION: Increase 5 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.44 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4374771623219, + "fos_buckling": 1.5380799274724448, + "fos_yielding": 14.280905475868396, + "deflection": 0.005952240635576338, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.618)" + }, + "parent_node_id": "node_1269", + "improvement_over_parent": null + }, + "node_1271": { + "node_id": "node_1271", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1270", + "improvement_over_parent": null + }, + "node_1272": { + "node_id": "node_1272", + "content": "INITIAL DESIGN (Trace 190)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 478.21 kg\n Factor of Safety: 1.00\n Max Deflection: 8.34e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.2133717744887, + "fos_buckling": 0.9981537950803208, + "fos_yielding": 8.77747575378933, + "deflection": 0.008338005886291553, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1273": { + "node_id": "node_1273", + "content": "MODIFICATION: Increase 0 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 496.60 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 496.60360998113765, + "fos_buckling": 0.9969986962699673, + "fos_yielding": 12.476026447226921, + "deflection": 0.007463501728636585, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.464)" + }, + "parent_node_id": "node_1272", + "improvement_over_parent": null + }, + "node_1274": { + "node_id": "node_1274", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 544.21 kg\n Factor of Safety: 1.43\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.2063744416406, + "fos_buckling": 1.4307300796230582, + "fos_yielding": 14.4270951951613, + "deflection": 0.005988307871540335, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1273", + "improvement_over_parent": null + }, + "node_1275": { + "node_id": "node_1275", + "content": "MODIFICATION: Increase 4 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0081)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 547.60 kg\n Factor of Safety: 1.40\n Max Deflection: 5.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.604048064442, + "fos_buckling": 1.3997875337770846, + "fos_yielding": 15.251576613011377, + "deflection": 0.005917933448866503, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.297)" + }, + "parent_node_id": "node_1274", + "improvement_over_parent": null + }, + "node_1276": { + "node_id": "node_1276", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1275", + "improvement_over_parent": null + }, + "node_1277": { + "node_id": "node_1277", + "content": "INITIAL DESIGN (Trace 191)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 372.49 kg\n Factor of Safety: 0.95\n Max Deflection: 8.75e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.49447418272337, + "fos_buckling": 0.9450457679428493, + "fos_yielding": 7.22930710505825, + "deflection": 0.00875321350613322, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1278": { + "node_id": "node_1278", + "content": "MODIFICATION: Increase 6 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 374.69 kg\n Factor of Safety: 0.93\n Max Deflection: 8.68e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.69041207436766, + "fos_buckling": 0.9279199698756858, + "fos_yielding": 7.0983000598479, + "deflection": 0.008681933830666287, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.499)" + }, + "parent_node_id": "node_1277", + "improvement_over_parent": null + }, + "node_1279": { + "node_id": "node_1279", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 415.27 kg\n Factor of Safety: 1.02\n Max Deflection: 7.85e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.2684669157356, + "fos_buckling": 1.0227921536902431, + "fos_yielding": 7.888856591279837, + "deflection": 0.007851133867639202, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_1278", + "improvement_over_parent": null + }, + "node_1280": { + "node_id": "node_1280", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 525.31 kg\n Factor of Safety: 1.27\n Max Deflection: 6.24e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.3092010976301, + "fos_buckling": 1.2742969337074337, + "fos_yielding": 10.057229265885894, + "deflection": 0.006244085212531865, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_1279", + "improvement_over_parent": null + }, + "node_1281": { + "node_id": "node_1281", + "content": "MODIFICATION: Increase 5 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 530.01 kg\n Factor of Safety: 1.47\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.0090789294267, + "fos_buckling": 1.4720336927473645, + "fos_yielding": 14.861968594950193, + "deflection": 0.0060748492856117445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.623)" + }, + "parent_node_id": "node_1280", + "improvement_over_parent": null + }, + "node_1282": { + "node_id": "node_1282", + "content": "MODIFICATION: Increase 8 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.47 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4733163444962, + "fos_buckling": 1.5380990580327378, + "fos_yielding": 14.273085234952111, + "deflection": 0.005951948277480433, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.379)" + }, + "parent_node_id": "node_1281", + "improvement_over_parent": null + }, + "node_1283": { + "node_id": "node_1283", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1282", + "improvement_over_parent": null + }, + "node_1284": { + "node_id": "node_1284", + "content": "INITIAL DESIGN (Trace 192)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 318.96 kg\n Factor of Safety: 0.99\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.9600277830064, + "fos_buckling": 0.992188434885976, + "fos_yielding": 8.370680707942933, + "deflection": 0.010217720321728251, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1285": { + "node_id": "node_1285", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 407.59 kg\n Factor of Safety: 1.23\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.58821864751974, + "fos_buckling": 1.225828258963983, + "fos_yielding": 10.71225349487897, + "deflection": 0.008036440665930086, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.297)" + }, + "parent_node_id": "node_1284", + "improvement_over_parent": null + }, + "node_1286": { + "node_id": "node_1286", + "content": "MODIFICATION: Increase 0 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 421.05 kg\n Factor of Safety: 1.23\n Max Deflection: 7.64e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.050465817898, + "fos_buckling": 1.2296718025052336, + "fos_yielding": 11.33052260548806, + "deflection": 0.007639436422706699, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.414)" + }, + "parent_node_id": "node_1285", + "improvement_over_parent": null + }, + "node_1287": { + "node_id": "node_1287", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 538.96 kg\n Factor of Safety: 1.51\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 538.960182953085, + "fos_buckling": 1.5073988985004314, + "fos_yielding": 14.534304537380912, + "deflection": 0.006010961770837281, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.307)" + }, + "parent_node_id": "node_1286", + "improvement_over_parent": null + }, + "node_1288": { + "node_id": "node_1288", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.04 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.043932165909, + "fos_buckling": 1.5373220852516671, + "fos_yielding": 14.261522328769528, + "deflection": 0.005956778390613828, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.192)" + }, + "parent_node_id": "node_1287", + "improvement_over_parent": null + }, + "node_1289": { + "node_id": "node_1289", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1288", + "improvement_over_parent": null + }, + "node_1290": { + "node_id": "node_1290", + "content": "INITIAL DESIGN (Trace 193)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 427.27 kg\n Factor of Safety: 0.49\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.2741865515146, + "fos_buckling": 0.4947846496303346, + "fos_yielding": 7.0993006247571575, + "deflection": 0.012155475912772927, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1291": { + "node_id": "node_1291", + "content": "MODIFICATION: Increase 2 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 436.58 kg\n Factor of Safety: 0.59\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.581598672156, + "fos_buckling": 0.5938166304230276, + "fos_yielding": 7.086966972498291, + "deflection": 0.011505899314845632, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.267)" + }, + "parent_node_id": "node_1290", + "improvement_over_parent": null + }, + "node_1292": { + "node_id": "node_1292", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 519.98 kg\n Factor of Safety: 1.22\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.9768311055175, + "fos_buckling": 1.2198250669601132, + "fos_yielding": 13.265747353421528, + "deflection": 0.0063853376548248745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1291", + "improvement_over_parent": null + }, + "node_1293": { + "node_id": "node_1293", + "content": "MODIFICATION: Increase 10 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0163)]\n\nPerformance:\n Mass: 556.26 kg\n Factor of Safety: 1.22\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 556.2614104813669, + "fos_buckling": 1.2218922390784508, + "fos_yielding": 14.018229086138067, + "deflection": 0.006056620942482658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.504)" + }, + "parent_node_id": "node_1292", + "improvement_over_parent": null + }, + "node_1294": { + "node_id": "node_1294", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1293", + "improvement_over_parent": null + }, + "node_1295": { + "node_id": "node_1295", + "content": "INITIAL DESIGN (Trace 194)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 251.55 kg\n Factor of Safety: 0.57\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.547507864229, + "fos_buckling": 0.5738367645217859, + "fos_yielding": 6.6127752896084555, + "deflection": 0.014089687375685573, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1296": { + "node_id": "node_1296", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n\nPerformance:\n Mass: 285.01 kg\n Factor of Safety: 0.89\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 285.0105424361618, + "fos_buckling": 0.8853406696021626, + "fos_yielding": 7.403363810258249, + "deflection": 0.011233087718119615, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004734)" + }, + "parent_node_id": "node_1295", + "improvement_over_parent": null + }, + "node_1297": { + "node_id": "node_1297", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n\nPerformance:\n Mass: 340.65 kg\n Factor of Safety: 1.04\n Max Deflection: 9.43e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.6505425431514, + "fos_buckling": 1.0367664105526162, + "fos_yielding": 8.859187439622168, + "deflection": 0.009430237617329381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.206)" + }, + "parent_node_id": "node_1296", + "improvement_over_parent": null + }, + "node_1298": { + "node_id": "node_1298", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 395.62 kg\n Factor of Safety: 1.18\n Max Deflection: 8.15e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.6168213941124, + "fos_buckling": 1.17965538433274, + "fos_yielding": 10.300790282596395, + "deflection": 0.00814715383937066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_1297", + "improvement_over_parent": null + }, + "node_1299": { + "node_id": "node_1299", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 490.03 kg\n Factor of Safety: 1.41\n Max Deflection: 6.62e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.02582256970953, + "fos_buckling": 1.409721857637415, + "fos_yielding": 12.78479723708968, + "deflection": 0.00661514169256217, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.259)" + }, + "parent_node_id": "node_1298", + "improvement_over_parent": null + }, + "node_1300": { + "node_id": "node_1300", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.77 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.7723077321134, + "fos_buckling": 1.5365682021026597, + "fos_yielding": 14.256282616383121, + "deflection": 0.005959404884347637, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_1299", + "improvement_over_parent": null + }, + "node_1301": { + "node_id": "node_1301", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1300", + "improvement_over_parent": null + }, + "node_1302": { + "node_id": "node_1302", + "content": "INITIAL DESIGN (Trace 195)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 339.64 kg\n Factor of Safety: 0.73\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.6412255801321, + "fos_buckling": 0.7297319485938877, + "fos_yielding": 8.644773726144342, + "deflection": 0.010834788433833752, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1303": { + "node_id": "node_1303", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n\nPerformance:\n Mass: 372.29 kg\n Factor of Safety: 1.08\n Max Deflection: 8.71e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.28846313075434, + "fos_buckling": 1.0812207104580653, + "fos_yielding": 8.448253087608478, + "deflection": 0.008713653579845083, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005776)" + }, + "parent_node_id": "node_1302", + "improvement_over_parent": null + }, + "node_1304": { + "node_id": "node_1304", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 425.41 kg\n Factor of Safety: 1.22\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 425.414851929517, + "fos_buckling": 1.2211986937208608, + "fos_yielding": 9.677415238504345, + "deflection": 0.007649165294976907, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.153)" + }, + "parent_node_id": "node_1303", + "improvement_over_parent": null + }, + "node_1305": { + "node_id": "node_1305", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 542.53 kg\n Factor of Safety: 1.51\n Max Deflection: 6.04e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 542.530115894518, + "fos_buckling": 1.5105106746108383, + "fos_yielding": 12.41021410091653, + "deflection": 0.006038832230504512, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.302)" + }, + "parent_node_id": "node_1304", + "improvement_over_parent": null + }, + "node_1306": { + "node_id": "node_1306", + "content": "MODIFICATION: Increase 5 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0055)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 544.02 kg\n Factor of Safety: 1.51\n Max Deflection: 6.02e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.0176645196905, + "fos_buckling": 1.5059719227267367, + "fos_yielding": 12.321848438167729, + "deflection": 0.006017144767523327, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.198)" + }, + "parent_node_id": "node_1305", + "improvement_over_parent": null + }, + "node_1307": { + "node_id": "node_1307", + "content": "MODIFICATION: Increase 6 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0055)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0128)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 557.56 kg\n Factor of Safety: 1.52\n Max Deflection: 5.87e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 557.55646069576, + "fos_buckling": 1.5240229281959725, + "fos_yielding": 12.649861454481636, + "deflection": 0.005867738421951291, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.182)" + }, + "parent_node_id": "node_1306", + "improvement_over_parent": null + }, + "node_1308": { + "node_id": "node_1308", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1307", + "improvement_over_parent": null + }, + "node_1309": { + "node_id": "node_1309", + "content": "INITIAL DESIGN (Trace 196)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n\nPerformance:\n Mass: 154.53 kg\n Factor of Safety: 0.23\n Max Deflection: 3.64e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 154.52784602881368, + "fos_buckling": 0.23493153556309568, + "fos_yielding": 1.8089464768574308, + "deflection": 36378868623289.2, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1310": { + "node_id": "node_1310", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n\nPerformance:\n Mass: 184.37 kg\n Factor of Safety: 0.23\n Max Deflection: 3.59e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 184.36759570500863, + "fos_buckling": 0.23126039906940826, + "fos_yielding": 1.8089464768574308, + "deflection": 35878502128644.586, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_1309", + "improvement_over_parent": null + }, + "node_1311": { + "node_id": "node_1311", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 216.66 kg\n Factor of Safety: 0.90\n Max Deflection: 2.24e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 216.66061688282952, + "fos_buckling": 0.9048498192107374, + "fos_yielding": 13.89519291546014, + "deflection": 22405905497906.8, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.186)" + }, + "parent_node_id": "node_1310", + "improvement_over_parent": null + }, + "node_1312": { + "node_id": "node_1312", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 242.75 kg\n Factor of Safety: 0.33\n Max Deflection: 4.29e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.75312432228503, + "fos_buckling": 0.3345553017827448, + "fos_yielding": 3.634392803066646, + "deflection": 42938581136343.25, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1311", + "improvement_over_parent": null + }, + "node_1313": { + "node_id": "node_1313", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 315.30 kg\n Factor of Safety: 0.43\n Max Deflection: 3.00e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.29798337116233, + "fos_buckling": 0.42826930594580687, + "fos_yielding": 3.6178929537148625, + "deflection": 29957363180026.523, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_1312", + "improvement_over_parent": null + }, + "node_1314": { + "node_id": "node_1314", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 398.69 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.6932158045238, + "fos_buckling": 0.5953868398646597, + "fos_yielding": 7.102571903537879, + "deflection": 0.012201097865357904, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1313", + "improvement_over_parent": null + }, + "node_1315": { + "node_id": "node_1315", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.83 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8258686971444, + "fos_buckling": 0.5929786370425074, + "fos_yielding": 7.074276750945316, + "deflection": 0.011031835980282075, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1314", + "improvement_over_parent": null + }, + "node_1316": { + "node_id": "node_1316", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2211011305059, + "fos_buckling": 1.537620859304594, + "fos_yielding": 14.268004949901565, + "deflection": 0.0059546520070732165, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1315", + "improvement_over_parent": null + }, + "node_1317": { + "node_id": "node_1317", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1316", + "improvement_over_parent": null + }, + "node_1318": { + "node_id": "node_1318", + "content": "INITIAL DESIGN (Trace 197)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 362.05 kg\n Factor of Safety: 0.88\n Max Deflection: 9.10e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 362.04512662011433, + "fos_buckling": 0.8797130173884649, + "fos_yielding": 9.192407618859022, + "deflection": 0.009098034613569356, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1319": { + "node_id": "node_1319", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 401.68 kg\n Factor of Safety: 0.97\n Max Deflection: 8.22e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.68071411903054, + "fos_buckling": 0.9667346251884096, + "fos_yielding": 10.2091071566555, + "deflection": 0.008218087261417574, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_1318", + "improvement_over_parent": null + }, + "node_1320": { + "node_id": "node_1320", + "content": "MODIFICATION: Increase 10 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 422.64 kg\n Factor of Safety: 1.25\n Max Deflection: 7.64e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.63905802200975, + "fos_buckling": 1.247477602672102, + "fos_yielding": 11.01095516583793, + "deflection": 0.007638711399351153, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.515)" + }, + "parent_node_id": "node_1319", + "improvement_over_parent": null + }, + "node_1321": { + "node_id": "node_1321", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2403596004654, + "fos_buckling": 1.5376035264142818, + "fos_yielding": 14.268911276466673, + "deflection": 0.005954446117308171, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_1320", + "improvement_over_parent": null + }, + "node_1322": { + "node_id": "node_1322", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1321", + "improvement_over_parent": null + }, + "node_1323": { + "node_id": "node_1323", + "content": "INITIAL DESIGN (Trace 198)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 365.63 kg\n Factor of Safety: 0.66\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.6340501418227, + "fos_buckling": 0.6603776287930143, + "fos_yielding": 8.193481032949993, + "deflection": 0.011477450919466711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1324": { + "node_id": "node_1324", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 423.06 kg\n Factor of Safety: 0.91\n Max Deflection: 8.75e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.059570140545, + "fos_buckling": 0.9138657870565613, + "fos_yielding": 11.227704544943325, + "deflection": 0.008752148220249901, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008407)" + }, + "parent_node_id": "node_1323", + "improvement_over_parent": null + }, + "node_1325": { + "node_id": "node_1325", + "content": "MODIFICATION: Increase 6 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 435.65 kg\n Factor of Safety: 0.91\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.6462620281934, + "fos_buckling": 0.9131391196603126, + "fos_yielding": 11.218776749480277, + "deflection": 0.008481856951223955, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.263)" + }, + "parent_node_id": "node_1324", + "improvement_over_parent": null + }, + "node_1326": { + "node_id": "node_1326", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 478.27 kg\n Factor of Safety: 1.27\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.2660165910974, + "fos_buckling": 1.2742394365582816, + "fos_yielding": 12.39590961776565, + "deflection": 0.006814602046546664, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007690)" + }, + "parent_node_id": "node_1325", + "improvement_over_parent": null + }, + "node_1327": { + "node_id": "node_1327", + "content": "MODIFICATION: Increase 7 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0100)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 487.89 kg\n Factor of Safety: 1.27\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 487.8858903821154, + "fos_buckling": 1.2719719041627404, + "fos_yielding": 12.17858881652328, + "deflection": 0.006751380524080112, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.185)" + }, + "parent_node_id": "node_1326", + "improvement_over_parent": null + }, + "node_1328": { + "node_id": "node_1328", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0112)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.12 kg\n Factor of Safety: 1.40\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.1224757452711, + "fos_buckling": 1.3959238770208362, + "fos_yielding": 13.632177939967336, + "deflection": 0.006061717254166809, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1327", + "improvement_over_parent": null + }, + "node_1329": { + "node_id": "node_1329", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1328", + "improvement_over_parent": null + }, + "node_1330": { + "node_id": "node_1330", + "content": "INITIAL DESIGN (Trace 199)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 370.70 kg\n Factor of Safety: 0.75\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.70065422219335, + "fos_buckling": 0.7456702019488644, + "fos_yielding": 8.847590598147557, + "deflection": 0.012953366697579434, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1331": { + "node_id": "node_1331", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 431.37 kg\n Factor of Safety: 0.85\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.3697575764652, + "fos_buckling": 0.8492101473427953, + "fos_yielding": 10.275936544726404, + "deflection": 0.011152860365479501, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_1330", + "improvement_over_parent": null + }, + "node_1332": { + "node_id": "node_1332", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n\nPerformance:\n Mass: 438.33 kg\n Factor of Safety: 1.04\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.32572877090774, + "fos_buckling": 1.0403650500410284, + "fos_yielding": 8.0724180769722, + "deflection": 0.007520055342394937, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003224)" + }, + "parent_node_id": "node_1331", + "improvement_over_parent": null + }, + "node_1333": { + "node_id": "node_1333", + "content": "MODIFICATION: Increase 5 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0067)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n\nPerformance:\n Mass: 442.13 kg\n Factor of Safety: 1.03\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.1291353871219, + "fos_buckling": 1.0270269384829858, + "fos_yielding": 7.968924776375869, + "deflection": 0.007472811165748011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.548)" + }, + "parent_node_id": "node_1332", + "improvement_over_parent": null + }, + "node_1334": { + "node_id": "node_1334", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0084)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n\nPerformance:\n Mass: 545.93 kg\n Factor of Safety: 1.25\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.9271902471153, + "fos_buckling": 1.2508274672680477, + "fos_yielding": 9.921050585200573, + "deflection": 0.006084179604553006, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_1333", + "improvement_over_parent": null + }, + "node_1335": { + "node_id": "node_1335", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1334", + "improvement_over_parent": null + }, + "node_1336": { + "node_id": "node_1336", + "content": "INITIAL DESIGN (Trace 200)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 352.98 kg\n Factor of Safety: 0.43\n Max Deflection: 1.72e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.9799273316613, + "fos_buckling": 0.42718889295798634, + "fos_yielding": 4.536092395857612, + "deflection": 0.017242961892353453, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1337": { + "node_id": "node_1337", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 436.38 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.3751597650228, + "fos_buckling": 0.5939161922439944, + "fos_yielding": 7.085494684324765, + "deflection": 0.011072525856922812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1336", + "improvement_over_parent": null + }, + "node_1338": { + "node_id": "node_1338", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 502.15 kg\n Factor of Safety: 1.24\n Max Deflection: 6.70e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 502.1513246097735, + "fos_buckling": 1.2373735825412957, + "fos_yielding": 12.971911429033664, + "deflection": 0.006698466594498267, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008359)" + }, + "parent_node_id": "node_1337", + "improvement_over_parent": null + }, + "node_1339": { + "node_id": "node_1339", + "content": "MODIFICATION: Increase 0 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 525.10 kg\n Factor of Safety: 1.22\n Max Deflection: 6.28e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.1034205457082, + "fos_buckling": 1.2243773429788607, + "fos_yielding": 13.001013946523598, + "deflection": 0.0062837352892968126, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.647)" + }, + "parent_node_id": "node_1338", + "improvement_over_parent": null + }, + "node_1340": { + "node_id": "node_1340", + "content": "MODIFICATION: Increase 6 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 528.61 kg\n Factor of Safety: 1.33\n Max Deflection: 6.21e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.6067539620544, + "fos_buckling": 1.3296459145746256, + "fos_yielding": 13.645160691393205, + "deflection": 0.006214578998355774, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.626)" + }, + "parent_node_id": "node_1339", + "improvement_over_parent": null + }, + "node_1341": { + "node_id": "node_1341", + "content": "MODIFICATION: Increase 7 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0123)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 545.24 kg\n Factor of Safety: 1.38\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.2440121675608, + "fos_buckling": 1.3757822047861052, + "fos_yielding": 13.29226153393931, + "deflection": 0.006114571139966085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.294)" + }, + "parent_node_id": "node_1340", + "improvement_over_parent": null + }, + "node_1342": { + "node_id": "node_1342", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1341", + "improvement_over_parent": null + }, + "node_1343": { + "node_id": "node_1343", + "content": "INITIAL DESIGN (Trace 201)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1344": { + "node_id": "node_1344", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n\nPerformance:\n Mass: 365.26 kg\n Factor of Safety: 0.47\n Max Deflection: 1.81e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.2632872884866, + "fos_buckling": 0.4652640880573594, + "fos_yielding": 4.146287303790873, + "deflection": 0.01814990039815937, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005179)" + }, + "parent_node_id": "node_1343", + "improvement_over_parent": null + }, + "node_1345": { + "node_id": "node_1345", + "content": "MODIFICATION: Increase 5 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n\nPerformance:\n Mass: 367.08 kg\n Factor of Safety: 0.47\n Max Deflection: 1.80e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.08136677022185, + "fos_buckling": 0.4652640880573594, + "fos_yielding": 4.146287303790872, + "deflection": 0.017992574267331505, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.212)" + }, + "parent_node_id": "node_1344", + "improvement_over_parent": null + }, + "node_1346": { + "node_id": "node_1346", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 450.48 kg\n Factor of Safety: 0.46\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.4765992035833, + "fos_buckling": 0.46281445431151397, + "fos_yielding": 6.3807010373156565, + "deflection": 0.012161904224089155, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1345", + "improvement_over_parent": null + }, + "node_1347": { + "node_id": "node_1347", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.87 kg\n Factor of Safety: 1.43\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.8718316369448, + "fos_buckling": 1.4296868129263498, + "fos_yielding": 12.573663754968084, + "deflection": 0.0060970693236945496, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1346", + "improvement_over_parent": null + }, + "node_1348": { + "node_id": "node_1348", + "content": "MODIFICATION: Increase 2 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.03 kg\n Factor of Safety: 1.49\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.0277578531151, + "fos_buckling": 1.4860227205664576, + "fos_yielding": 12.140246021457653, + "deflection": 0.005998692315971611, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.376)" + }, + "parent_node_id": "node_1347", + "improvement_over_parent": null + }, + "node_1349": { + "node_id": "node_1349", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1348", + "improvement_over_parent": null + }, + "node_1350": { + "node_id": "node_1350", + "content": "INITIAL DESIGN (Trace 202)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 362.01 kg\n Factor of Safety: 0.46\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 362.0084748988561, + "fos_buckling": 0.4631506587524778, + "fos_yielding": 4.967800327044865, + "deflection": 0.013487302282362302, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1351": { + "node_id": "node_1351", + "content": "MODIFICATION: Increase 6 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 363.27 kg\n Factor of Safety: 0.51\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 363.27218084353126, + "fos_buckling": 0.5088543971918961, + "fos_yielding": 5.902909350150027, + "deflection": 0.01326197293758974, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.203)" + }, + "parent_node_id": "node_1350", + "improvement_over_parent": null + }, + "node_1352": { + "node_id": "node_1352", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 432.23 kg\n Factor of Safety: 1.22\n Max Deflection: 7.74e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.23073557375284, + "fos_buckling": 1.2217557743949736, + "fos_yielding": 10.83513656945966, + "deflection": 0.007737712528285284, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008795)" + }, + "parent_node_id": "node_1351", + "improvement_over_parent": null + }, + "node_1353": { + "node_id": "node_1353", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 523.03 kg\n Factor of Safety: 1.43\n Max Deflection: 6.42e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 523.0271073158182, + "fos_buckling": 1.4280444948137103, + "fos_yielding": 13.135928389477588, + "deflection": 0.006424968032427831, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.230)" + }, + "parent_node_id": "node_1352", + "improvement_over_parent": null + }, + "node_1354": { + "node_id": "node_1354", + "content": "MODIFICATION: Increase 1 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.89 kg\n Factor of Safety: 1.53\n Max Deflection: 6.18e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 532.8932314586666, + "fos_buckling": 1.5347119101225106, + "fos_yielding": 13.695559550730417, + "deflection": 0.006180945875566924, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.274)" + }, + "parent_node_id": "node_1353", + "improvement_over_parent": null + }, + "node_1355": { + "node_id": "node_1355", + "content": "MODIFICATION: Increase 1 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3166163228433, + "fos_buckling": 1.5377291546061378, + "fos_yielding": 14.2708709354007, + "deflection": 0.00595361501789513, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.304)" + }, + "parent_node_id": "node_1354", + "improvement_over_parent": null + }, + "node_1356": { + "node_id": "node_1356", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1355", + "improvement_over_parent": null + }, + "node_1357": { + "node_id": "node_1357", + "content": "INITIAL DESIGN (Trace 203)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 320.83 kg\n Factor of Safety: 0.58\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.832140384058, + "fos_buckling": 0.5774335325419856, + "fos_yielding": 5.102454732413604, + "deflection": 0.013799568366197243, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1358": { + "node_id": "node_1358", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 375.59 kg\n Factor of Safety: 0.67\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.58907907662643, + "fos_buckling": 0.6650394178300902, + "fos_yielding": 5.979452236168426, + "deflection": 0.01180063821332381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_1357", + "improvement_over_parent": null + }, + "node_1359": { + "node_id": "node_1359", + "content": "MODIFICATION: Increase 1 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 388.75 kg\n Factor of Safety: 0.66\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.7533433928761, + "fos_buckling": 0.6644845830834407, + "fos_yielding": 8.251579767740546, + "deflection": 0.010461264361958019, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.475)" + }, + "parent_node_id": "node_1358", + "improvement_over_parent": null + }, + "node_1360": { + "node_id": "node_1360", + "content": "MODIFICATION: Increase 9 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 407.47 kg\n Factor of Safety: 0.87\n Max Deflection: 9.40e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.4746186582259, + "fos_buckling": 0.8700372582414576, + "fos_yielding": 8.637943281345933, + "deflection": 0.009404378713200167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.391)" + }, + "parent_node_id": "node_1359", + "improvement_over_parent": null + }, + "node_1361": { + "node_id": "node_1361", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.63 kg\n Factor of Safety: 1.00\n Max Deflection: 7.97e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.63275888761063, + "fos_buckling": 0.9973865470654716, + "fos_yielding": 10.21164145354748, + "deflection": 0.007970424441589033, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_1360", + "improvement_over_parent": null + }, + "node_1362": { + "node_id": "node_1362", + "content": "MODIFICATION: Increase 1 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 493.87 kg\n Factor of Safety: 1.00\n Max Deflection: 7.51e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 493.8716889608661, + "fos_buckling": 0.996680769310904, + "fos_yielding": 12.472219129125762, + "deflection": 0.00751119610454874, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.244)" + }, + "parent_node_id": "node_1361", + "improvement_over_parent": null + }, + "node_1363": { + "node_id": "node_1363", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 541.47 kg\n Factor of Safety: 1.28\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.474453421369, + "fos_buckling": 1.2786957449134848, + "fos_yielding": 10.157039858008856, + "deflection": 0.006116713516810981, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1362", + "improvement_over_parent": null + }, + "node_1364": { + "node_id": "node_1364", + "content": "MODIFICATION: Increase 5 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0082)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.82 kg\n Factor of Safety: 1.26\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.8204731036718, + "fos_buckling": 1.2628410965294652, + "fos_yielding": 10.031101927729672, + "deflection": 0.006079691445937318, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.524)" + }, + "parent_node_id": "node_1363", + "improvement_over_parent": null + }, + "node_1365": { + "node_id": "node_1365", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1364", + "improvement_over_parent": null + }, + "node_1366": { + "node_id": "node_1366", + "content": "INITIAL DESIGN (Trace 204)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 315.17 kg\n Factor of Safety: 0.12\n Max Deflection: 8.97e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.1667519548564, + "fos_buckling": 0.11526865265136618, + "fos_yielding": 0.9044732384287154, + "deflection": 89696617200246.77, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1367": { + "node_id": "node_1367", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 369.90 kg\n Factor of Safety: 0.70\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.89642313485655, + "fos_buckling": 0.7004901291138739, + "fos_yielding": 8.75337787353286, + "deflection": 0.010338302107959161, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006871)" + }, + "parent_node_id": "node_1366", + "improvement_over_parent": null + }, + "node_1368": { + "node_id": "node_1368", + "content": "MODIFICATION: Increase 5 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 372.20 kg\n Factor of Safety: 0.70\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.19908358909515, + "fos_buckling": 0.7004901291138738, + "fos_yielding": 8.75337787353286, + "deflection": 0.010338302107959163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.435)" + }, + "parent_node_id": "node_1367", + "improvement_over_parent": null + }, + "node_1369": { + "node_id": "node_1369", + "content": "MODIFICATION: Increase 4 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 375.13 kg\n Factor of Safety: 0.70\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.134152548127, + "fos_buckling": 0.7002293671591159, + "fos_yielding": 8.750119372334671, + "deflection": 0.010284628104943126, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.404)" + }, + "parent_node_id": "node_1368", + "improvement_over_parent": null + }, + "node_1370": { + "node_id": "node_1370", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 452.60 kg\n Factor of Safety: 0.82\n Max Deflection: 8.56e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 452.5984847497898, + "fos_buckling": 0.8232239150946027, + "fos_yielding": 10.533076691395266, + "deflection": 0.008556377432891097, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_1369", + "improvement_over_parent": null + }, + "node_1371": { + "node_id": "node_1371", + "content": "MODIFICATION: Increase 9 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 469.78 kg\n Factor of Safety: 1.00\n Max Deflection: 7.92e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.78464899013875, + "fos_buckling": 0.9987029513490163, + "fos_yielding": 12.499971645019583, + "deflection": 0.0079168128568862, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.285)" + }, + "parent_node_id": "node_1370", + "improvement_over_parent": null + }, + "node_1372": { + "node_id": "node_1372", + "content": "MODIFICATION: Increase 6 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.51 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.5131427584126, + "fos_buckling": 0.9968974921022865, + "fos_yielding": 12.477374145573044, + "deflection": 0.007464976820163726, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.577)" + }, + "parent_node_id": "node_1371", + "improvement_over_parent": null + }, + "node_1373": { + "node_id": "node_1373", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1159072189156, + "fos_buckling": 1.536683415248654, + "fos_yielding": 14.261492938999687, + "deflection": 0.005955919971008099, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1372", + "improvement_over_parent": null + }, + "node_1374": { + "node_id": "node_1374", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1373", + "improvement_over_parent": null + }, + "node_1375": { + "node_id": "node_1375", + "content": "INITIAL DESIGN (Trace 205)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 381.44 kg\n Factor of Safety: 0.60\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.4372894914903, + "fos_buckling": 0.6003723306639722, + "fos_yielding": 7.372716901056111, + "deflection": 0.012006723714722362, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1376": { + "node_id": "node_1376", + "content": "MODIFICATION: Increase 6 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 391.91 kg\n Factor of Safety: 0.72\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.9099563013842, + "fos_buckling": 0.7208456200439189, + "fos_yielding": 9.041621992164371, + "deflection": 0.011182500415247588, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.241)" + }, + "parent_node_id": "node_1375", + "improvement_over_parent": null + }, + "node_1377": { + "node_id": "node_1377", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 437.18 kg\n Factor of Safety: 0.75\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.18435441693583, + "fos_buckling": 0.7496340698280706, + "fos_yielding": 9.402717729519129, + "deflection": 0.01115159978574658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006511)" + }, + "parent_node_id": "node_1376", + "improvement_over_parent": null + }, + "node_1378": { + "node_id": "node_1378", + "content": "MODIFICATION: Increase 7 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 449.78 kg\n Factor of Safety: 0.75\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.7796091366582, + "fos_buckling": 0.7499397411532065, + "fos_yielding": 9.406551788433926, + "deflection": 0.01115128441628067, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.250)" + }, + "parent_node_id": "node_1377", + "improvement_over_parent": null + }, + "node_1379": { + "node_id": "node_1379", + "content": "MODIFICATION: Increase 6 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0102)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 465.73 kg\n Factor of Safety: 0.90\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.72796278352905, + "fos_buckling": 0.9017089263543373, + "fos_yielding": 11.023914605115397, + "deflection": 0.01038744002933492, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.305)" + }, + "parent_node_id": "node_1378", + "improvement_over_parent": null + }, + "node_1380": { + "node_id": "node_1380", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0119)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 535.96 kg\n Factor of Safety: 1.01\n Max Deflection: 9.04e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.9586329090206, + "fos_buckling": 1.0115989812357307, + "fos_yielding": 12.660503116767892, + "deflection": 0.009043877547099038, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.166)" + }, + "parent_node_id": "node_1379", + "improvement_over_parent": null + }, + "node_1381": { + "node_id": "node_1381", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0119)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 548.93 kg\n Factor of Safety: 1.49\n Max Deflection: 5.96e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 548.9281524185755, + "fos_buckling": 1.489874587720134, + "fos_yielding": 14.31958796147298, + "deflection": 0.005960717053292974, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1380", + "improvement_over_parent": null + }, + "node_1382": { + "node_id": "node_1382", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1381", + "improvement_over_parent": null + }, + "node_1383": { + "node_id": "node_1383", + "content": "INITIAL DESIGN (Trace 206)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 384.31 kg\n Factor of Safety: 0.96\n Max Deflection: 8.35e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.309967288541, + "fos_buckling": 0.9578422220895867, + "fos_yielding": 10.96298596845965, + "deflection": 0.008350130291469613, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1384": { + "node_id": "node_1384", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 430.81 kg\n Factor of Safety: 1.06\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.80991827596563, + "fos_buckling": 1.0625657000194348, + "fos_yielding": 12.298092203030889, + "deflection": 0.007469519931479796, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.130)" + }, + "parent_node_id": "node_1383", + "improvement_over_parent": null + }, + "node_1385": { + "node_id": "node_1385", + "content": "MODIFICATION: Increase 3 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 445.09 kg\n Factor of Safety: 1.30\n Max Deflection: 7.26e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.0856459219374, + "fos_buckling": 1.3026177164087671, + "fos_yielding": 11.60121640373665, + "deflection": 0.007263333942152027, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.626)" + }, + "parent_node_id": "node_1384", + "improvement_over_parent": null + }, + "node_1386": { + "node_id": "node_1386", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.419085406903, + "fos_buckling": 1.5380070537872381, + "fos_yielding": 14.273493643391504, + "deflection": 0.005952569201467186, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_1385", + "improvement_over_parent": null + }, + "node_1387": { + "node_id": "node_1387", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1386", + "improvement_over_parent": null + }, + "node_1388": { + "node_id": "node_1388", + "content": "INITIAL DESIGN (Trace 207)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n\nPerformance:\n Mass: 255.85 kg\n Factor of Safety: 0.37\n Max Deflection: 5.18e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 255.8491321094347, + "fos_buckling": 0.36784607030341354, + "fos_yielding": 5.765860521532252, + "deflection": 51769148908082.37, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1389": { + "node_id": "node_1389", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n\nPerformance:\n Mass: 263.68 kg\n Factor of Safety: 0.92\n Max Deflection: 1.20e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 263.6837990910025, + "fos_buckling": 0.922026384905473, + "fos_yielding": 7.235785907429725, + "deflection": 11983438799757.639, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003653)" + }, + "parent_node_id": "node_1388", + "improvement_over_parent": null + }, + "node_1390": { + "node_id": "node_1390", + "content": "MODIFICATION: Increase 8 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n\nPerformance:\n Mass: 268.31 kg\n Factor of Safety: 1.91\n Max Deflection: 2.06e+13 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 268.3134534194381, + "fos_buckling": 1.911991962521153, + "fos_yielding": 13.895192915460141, + "deflection": 20627121757619.164, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.645)" + }, + "parent_node_id": "node_1389", + "improvement_over_parent": null + }, + "node_1391": { + "node_id": "node_1391", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 327.33 kg\n Factor of Safety: 0.75\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 327.3308855417165, + "fos_buckling": 0.750578215649484, + "fos_yielding": 8.924961901824002, + "deflection": 0.01074484414293383, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007444)" + }, + "parent_node_id": "node_1390", + "improvement_over_parent": null + }, + "node_1392": { + "node_id": "node_1392", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 372.72 kg\n Factor of Safety: 1.09\n Max Deflection: 8.51e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.7163032353475, + "fos_buckling": 1.088867993140057, + "fos_yielding": 12.947528777829858, + "deflection": 0.008508036623932737, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006528)" + }, + "parent_node_id": "node_1391", + "improvement_over_parent": null + }, + "node_1393": { + "node_id": "node_1393", + "content": "MODIFICATION: Increase 5 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 373.87 kg\n Factor of Safety: 1.09\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.8683270130725, + "fos_buckling": 1.0885950618902551, + "fos_yielding": 12.944283402602151, + "deflection": 0.008480216528533913, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.182)" + }, + "parent_node_id": "node_1392", + "improvement_over_parent": null + }, + "node_1394": { + "node_id": "node_1394", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n\nPerformance:\n Mass: 413.98 kg\n Factor of Safety: 1.19\n Max Deflection: 7.68e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.9828825503736, + "fos_buckling": 1.187123855079871, + "fos_yielding": 14.30171763690455, + "deflection": 0.007677524744811156, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_1393", + "improvement_over_parent": null + }, + "node_1395": { + "node_id": "node_1395", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 528.76 kg\n Factor of Safety: 1.45\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.763204280928, + "fos_buckling": 1.450137915963707, + "fos_yielding": 18.153953760767372, + "deflection": 0.006053598978642027, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.304)" + }, + "parent_node_id": "node_1394", + "improvement_over_parent": null + }, + "node_1396": { + "node_id": "node_1396", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1395", + "improvement_over_parent": null + }, + "node_1397": { + "node_id": "node_1397", + "content": "INITIAL DESIGN (Trace 208)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1398": { + "node_id": "node_1398", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n\nPerformance:\n Mass: 231.70 kg\n Factor of Safety: 92.37\n Max Deflection: 5.39e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 231.7004226333188, + "fos_buckling": 92.36751972901162, + "fos_yielding": 2.912348326208034, + "deflection": 53859950961302.02, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006090)" + }, + "parent_node_id": "node_1397", + "improvement_over_parent": null + }, + "node_1399": { + "node_id": "node_1399", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 266.84 kg\n Factor of Safety: 0.73\n Max Deflection: 1.69e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 266.8360937065545, + "fos_buckling": 0.7317481997923635, + "fos_yielding": 6.737714028645792, + "deflection": 16916159438766.38, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_1398", + "improvement_over_parent": null + }, + "node_1400": { + "node_id": "node_1400", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 336.01 kg\n Factor of Safety: 0.86\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.0054474406223, + "fos_buckling": 0.8610933521651265, + "fos_yielding": 8.253402535883195, + "deflection": 0.01164458628979485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008824)" + }, + "parent_node_id": "node_1399", + "improvement_over_parent": null + }, + "node_1401": { + "node_id": "node_1401", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 405.04 kg\n Factor of Safety: 1.00\n Max Deflection: 9.70e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 405.0411364235801, + "fos_buckling": 1.0023521199538616, + "fos_yielding": 9.940683302960636, + "deflection": 0.009699704648650448, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_1400", + "improvement_over_parent": null + }, + "node_1402": { + "node_id": "node_1402", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 469.17 kg\n Factor of Safety: 1.00\n Max Deflection: 7.66e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.17378931620067, + "fos_buckling": 0.9987622019830903, + "fos_yielding": 12.501931457280646, + "deflection": 0.007658350005817258, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1401", + "improvement_over_parent": null + }, + "node_1403": { + "node_id": "node_1403", + "content": "MODIFICATION: Increase 0 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 482.07 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.07329421596455, + "fos_buckling": 0.9979506377514745, + "fos_yielding": 12.491772762471504, + "deflection": 0.007458256466370165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.289)" + }, + "parent_node_id": "node_1402", + "improvement_over_parent": null + }, + "node_1404": { + "node_id": "node_1404", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.21 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2059471085852, + "fos_buckling": 1.5369484953328476, + "fos_yielding": 14.267486144797566, + "deflection": 0.0059548562836707186, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1403", + "improvement_over_parent": null + }, + "node_1405": { + "node_id": "node_1405", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1404", + "improvement_over_parent": null + }, + "node_1406": { + "node_id": "node_1406", + "content": "INITIAL DESIGN (Trace 209)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 267.10 kg\n Factor of Safety: 0.56\n Max Deflection: 1.79e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 267.0999610508914, + "fos_buckling": 0.5569351329649546, + "fos_yielding": 6.395822663195084, + "deflection": 0.017918896667877444, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1407": { + "node_id": "node_1407", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 299.94 kg\n Factor of Safety: 0.62\n Max Deflection: 1.60e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 299.94149411857256, + "fos_buckling": 0.6183996772297724, + "fos_yielding": 7.174773605700474, + "deflection": 0.015973477590540994, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1406", + "improvement_over_parent": null + }, + "node_1408": { + "node_id": "node_1408", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n\nPerformance:\n Mass: 305.07 kg\n Factor of Safety: 0.78\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 305.06899529994445, + "fos_buckling": 0.775530936509131, + "fos_yielding": 5.879566579487616, + "deflection": 0.01068387658575268, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.002348)" + }, + "parent_node_id": "node_1407", + "improvement_over_parent": null + }, + "node_1409": { + "node_id": "node_1409", + "content": "MODIFICATION: Increase 5 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n\nPerformance:\n Mass: 307.31 kg\n Factor of Safety: 0.77\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 307.307024977658, + "fos_buckling": 0.7667983561870845, + "fos_yielding": 5.81336188668025, + "deflection": 0.010623576676050824, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.443)" + }, + "parent_node_id": "node_1408", + "improvement_over_parent": null + }, + "node_1410": { + "node_id": "node_1410", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n\nPerformance:\n Mass: 357.80 kg\n Factor of Safety: 0.89\n Max Deflection: 9.15e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.8021239884699, + "fos_buckling": 0.8861501379275664, + "fos_yielding": 6.791304134955441, + "deflection": 0.00914908894483909, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_1409", + "improvement_over_parent": null + }, + "node_1411": { + "node_id": "node_1411", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0062)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n\nPerformance:\n Mass: 439.99 kg\n Factor of Safety: 1.08\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.99392588206814, + "fos_buckling": 1.0763038252542425, + "fos_yielding": 8.398531447781505, + "deflection": 0.007472749900842852, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_1410", + "improvement_over_parent": null + }, + "node_1412": { + "node_id": "node_1412", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0078)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n\nPerformance:\n Mass: 546.52 kg\n Factor of Safety: 1.32\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.516391771522, + "fos_buckling": 1.3150409218974872, + "fos_yielding": 10.512086179966122, + "deflection": 0.00605027636424299, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.266)" + }, + "parent_node_id": "node_1411", + "improvement_over_parent": null + }, + "node_1413": { + "node_id": "node_1413", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1412", + "improvement_over_parent": null + }, + "node_1414": { + "node_id": "node_1414", + "content": "INITIAL DESIGN (Trace 210)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1415": { + "node_id": "node_1415", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 421.58 kg\n Factor of Safety: 1.01\n Max Deflection: 3.55e+12 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.5769927923433, + "fos_buckling": 1.0147472477678041, + "fos_yielding": 12.131195551470475, + "deflection": 3554593809282.702, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1414", + "improvement_over_parent": null + }, + "node_1416": { + "node_id": "node_1416", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 469.18 kg\n Factor of Safety: 1.00\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.17975725284623, + "fos_buckling": 0.9996688425588786, + "fos_yielding": 12.513527262535291, + "deflection": 0.009049993640246671, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1415", + "improvement_over_parent": null + }, + "node_1417": { + "node_id": "node_1417", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n\nPerformance:\n Mass: 480.20 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.20415906479406, + "fos_buckling": 0.9982800630091418, + "fos_yielding": 12.496142974841783, + "deflection": 0.007472167049566731, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005258)" + }, + "parent_node_id": "node_1416", + "improvement_over_parent": null + }, + "node_1418": { + "node_id": "node_1418", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 544.34 kg\n Factor of Safety: 1.51\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.3368119574146, + "fos_buckling": 1.5110229318689916, + "fos_yielding": 12.370124058744304, + "deflection": 0.006013142817848866, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1417", + "improvement_over_parent": null + }, + "node_1419": { + "node_id": "node_1419", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 555.37 kg\n Factor of Safety: 1.48\n Max Deflection: 5.96e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 555.3722003719483, + "fos_buckling": 1.4836845312128473, + "fos_yielding": 12.146315802395828, + "deflection": 0.005957068359845335, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.193)" + }, + "parent_node_id": "node_1418", + "improvement_over_parent": null + }, + "node_1420": { + "node_id": "node_1420", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1419", + "improvement_over_parent": null + }, + "node_1421": { + "node_id": "node_1421", + "content": "INITIAL DESIGN (Trace 211)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 376.76 kg\n Factor of Safety: 0.92\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.7625718420307, + "fos_buckling": 0.9236743926711576, + "fos_yielding": 8.12761176412631, + "deflection": 0.011031287279607524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1422": { + "node_id": "node_1422", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 417.01 kg\n Factor of Safety: 1.00\n Max Deflection: 9.99e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.0088374436957, + "fos_buckling": 1.0020659811741934, + "fos_yielding": 8.997567509685922, + "deflection": 0.009989324669700055, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_1421", + "improvement_over_parent": null + }, + "node_1423": { + "node_id": "node_1423", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 481.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.76e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.14149033631634, + "fos_buckling": 0.9980175312120286, + "fos_yielding": 12.492632976799126, + "deflection": 0.007757573162187019, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1422", + "improvement_over_parent": null + }, + "node_1424": { + "node_id": "node_1424", + "content": "MODIFICATION: Increase 1 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.66 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6597634272223, + "fos_buckling": 0.9969173513297988, + "fos_yielding": 12.478861531862218, + "deflection": 0.0074631739979749015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.433)" + }, + "parent_node_id": "node_1423", + "improvement_over_parent": null + }, + "node_1425": { + "node_id": "node_1425", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2625278877252, + "fos_buckling": 1.5374817883903866, + "fos_yielding": 14.269072830474093, + "deflection": 0.005954173316389396, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1424", + "improvement_over_parent": null + }, + "node_1426": { + "node_id": "node_1426", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1425", + "improvement_over_parent": null + }, + "node_1427": { + "node_id": "node_1427", + "content": "INITIAL DESIGN (Trace 212)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 287.96 kg\n Factor of Safety: 0.43\n Max Deflection: 2.48e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.96129967452396, + "fos_buckling": 0.4302920486083999, + "fos_yielding": 3.6178929537148616, + "deflection": 24762449410439.25, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1428": { + "node_id": "node_1428", + "content": "MODIFICATION: Increase 2 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 299.44 kg\n Factor of Safety: 0.11\n Max Deflection: 1.40e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 299.43535303750616, + "fos_buckling": 0.11155622428724823, + "fos_yielding": 1.6137797830231475, + "deflection": 140061419392562.8, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.490)" + }, + "parent_node_id": "node_1427", + "improvement_over_parent": null + }, + "node_1429": { + "node_id": "node_1429", + "content": "MODIFICATION: Increase 1 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 320.76 kg\n Factor of Safety: 0.11\n Max Deflection: 1.40e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.75664232107954, + "fos_buckling": 0.11155622428724823, + "fos_yielding": 1.7368991144325174, + "deflection": 140251722199666.5, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.577)" + }, + "parent_node_id": "node_1428", + "improvement_over_parent": null + }, + "node_1430": { + "node_id": "node_1430", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 404.15 kg\n Factor of Safety: 0.48\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.151874754441, + "fos_buckling": 0.4759270843161543, + "fos_yielding": 7.111096339773328, + "deflection": 0.01301635289879269, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1429", + "improvement_over_parent": null + }, + "node_1431": { + "node_id": "node_1431", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 451.75 kg\n Factor of Safety: 0.47\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.75463921494395, + "fos_buckling": 0.47449723392246035, + "fos_yielding": 7.090025489648545, + "deflection": 0.011842658563039139, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1430", + "improvement_over_parent": null + }, + "node_1432": { + "node_id": "node_1432", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 535.15 kg\n Factor of Safety: 1.42\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.1498716483054, + "fos_buckling": 1.4243543827044907, + "fos_yielding": 14.734149890700017, + "deflection": 0.006046628153744069, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1431", + "improvement_over_parent": null + }, + "node_1433": { + "node_id": "node_1433", + "content": "MODIFICATION: Increase 2 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1990256191717, + "fos_buckling": 1.537557810939853, + "fos_yielding": 14.268682381246284, + "deflection": 0.005954965107267014, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.332)" + }, + "parent_node_id": "node_1432", + "improvement_over_parent": null + }, + "node_1434": { + "node_id": "node_1434", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1433", + "improvement_over_parent": null + }, + "node_1435": { + "node_id": "node_1435", + "content": "INITIAL DESIGN (Trace 213)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1436": { + "node_id": "node_1436", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 339.01 kg\n Factor of Safety: 0.69\n Max Deflection: 1.72e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.0067078169341, + "fos_buckling": 0.6871611279236988, + "fos_yielding": 7.535054411401132, + "deflection": 17204943243397.582, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007680)" + }, + "parent_node_id": "node_1435", + "improvement_over_parent": null + }, + "node_1437": { + "node_id": "node_1437", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 407.69 kg\n Factor of Safety: 0.85\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.68887820279383, + "fos_buckling": 0.8521798238277783, + "fos_yielding": 10.338859754649906, + "deflection": 0.009053501500143543, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008757)" + }, + "parent_node_id": "node_1436", + "improvement_over_parent": null + }, + "node_1438": { + "node_id": "node_1438", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 446.89 kg\n Factor of Safety: 1.12\n Max Deflection: 7.35e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.8915135025699, + "fos_buckling": 1.122601856191887, + "fos_yielding": 8.790818116472437, + "deflection": 0.007345172630910911, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007025)" + }, + "parent_node_id": "node_1437", + "improvement_over_parent": null + }, + "node_1439": { + "node_id": "node_1439", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 542.58 kg\n Factor of Safety: 1.34\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.5782125642013, + "fos_buckling": 1.3418531212087985, + "fos_yielding": 10.742990141633122, + "deflection": 0.006081725502783509, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.235)" + }, + "parent_node_id": "node_1438", + "improvement_over_parent": null + }, + "node_1440": { + "node_id": "node_1440", + "content": "MODIFICATION: Increase 5 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0077)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.33\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.1190989737067, + "fos_buckling": 1.3273768798380732, + "fos_yielding": 10.62709212278475, + "deflection": 0.006049277399183817, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.422)" + }, + "parent_node_id": "node_1439", + "improvement_over_parent": null + }, + "node_1441": { + "node_id": "node_1441", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1440", + "improvement_over_parent": null + }, + "node_1442": { + "node_id": "node_1442", + "content": "INITIAL DESIGN (Trace 214)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 212.56 kg\n Factor of Safety: 0.36\n Max Deflection: 2.30e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 212.56461159248943, + "fos_buckling": 0.3620874531063949, + "fos_yielding": 4.026341699941439, + "deflection": 0.023042709876990718, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1443": { + "node_id": "node_1443", + "content": "MODIFICATION: Increase 1 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 221.93 kg\n Factor of Safety: 0.36\n Max Deflection: 2.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 221.92656784841404, + "fos_buckling": 0.3618704000371492, + "fos_yielding": 4.023948810285235, + "deflection": 0.02168039142718355, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.391)" + }, + "parent_node_id": "node_1442", + "improvement_over_parent": null + }, + "node_1444": { + "node_id": "node_1444", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n\nPerformance:\n Mass: 257.61 kg\n Factor of Safety: 0.36\n Max Deflection: 1.96e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.61398515896605, + "fos_buckling": 0.3610453832926421, + "fos_yielding": 4.014853233824247, + "deflection": 0.019575972229404597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005064)" + }, + "parent_node_id": "node_1443", + "improvement_over_parent": null + }, + "node_1445": { + "node_id": "node_1445", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 314.67 kg\n Factor of Safety: 0.43\n Max Deflection: 1.61e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.6717483995188, + "fos_buckling": 0.4303880976108026, + "fos_yielding": 4.877459247269005, + "deflection": 0.016081784757677027, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.235)" + }, + "parent_node_id": "node_1444", + "improvement_over_parent": null + }, + "node_1446": { + "node_id": "node_1446", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 403.36 kg\n Factor of Safety: 0.53\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.36416091319734, + "fos_buckling": 0.5307204079172918, + "fos_yielding": 6.199881669430437, + "deflection": 0.012612898263934316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_1445", + "improvement_over_parent": null + }, + "node_1447": { + "node_id": "node_1447", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 476.05 kg\n Factor of Safety: 1.38\n Max Deflection: 6.80e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.04999844612064, + "fos_buckling": 1.3766382114066398, + "fos_yielding": 12.41735595097767, + "deflection": 0.00680338689460108, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009310)" + }, + "parent_node_id": "node_1446", + "improvement_over_parent": null + }, + "node_1448": { + "node_id": "node_1448", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.82 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8199671887996, + "fos_buckling": 1.5364130917516166, + "fos_yielding": 14.258587568028064, + "deflection": 0.005958705132372842, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.161)" + }, + "parent_node_id": "node_1447", + "improvement_over_parent": null + }, + "node_1449": { + "node_id": "node_1449", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1448", + "improvement_over_parent": null + }, + "node_1450": { + "node_id": "node_1450", + "content": "INITIAL DESIGN (Trace 215)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 240.76 kg\n Factor of Safety: 0.41\n Max Deflection: 1.64e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 240.76496581043074, + "fos_buckling": 0.409257467300075, + "fos_yielding": 4.8709269238169695, + "deflection": 0.01637546504389662, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1451": { + "node_id": "node_1451", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 278.38 kg\n Factor of Safety: 0.47\n Max Deflection: 1.42e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.3806475461836, + "fos_buckling": 0.4685737453832907, + "fos_yielding": 5.629140384866754, + "deflection": 0.014187156004206135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_1450", + "improvement_over_parent": null + }, + "node_1452": { + "node_id": "node_1452", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 320.46 kg\n Factor of Safety: 0.53\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.45848595103564, + "fos_buckling": 0.5334616399539912, + "fos_yielding": 6.476825004167188, + "deflection": 0.01234777022095754, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_1451", + "improvement_over_parent": null + }, + "node_1453": { + "node_id": "node_1453", + "content": "MODIFICATION: Increase 6 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 337.80 kg\n Factor of Safety: 0.74\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.79628826824944, + "fos_buckling": 0.7355882283573287, + "fos_yielding": 8.719991016830331, + "deflection": 0.010823228897752047, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.456)" + }, + "parent_node_id": "node_1452", + "improvement_over_parent": null + }, + "node_1454": { + "node_id": "node_1454", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 416.10 kg\n Factor of Safety: 0.88\n Max Deflection: 8.83e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.0998376348758, + "fos_buckling": 0.87675540446219, + "fos_yielding": 10.685919295992194, + "deflection": 0.008829569143240347, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_1453", + "improvement_over_parent": null + }, + "node_1455": { + "node_id": "node_1455", + "content": "MODIFICATION: Increase 2 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 424.80 kg\n Factor of Safety: 0.88\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.79515995544205, + "fos_buckling": 0.8762734610311913, + "fos_yielding": 10.68004535602824, + "deflection": 0.008720387403944556, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.295)" + }, + "parent_node_id": "node_1454", + "improvement_over_parent": null + }, + "node_1456": { + "node_id": "node_1456", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n\nPerformance:\n Mass: 465.36 kg\n Factor of Safety: 1.35\n Max Deflection: 6.96e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.36044959472895, + "fos_buckling": 1.3513400173789039, + "fos_yielding": 12.135611214221036, + "deflection": 0.006955285537760727, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007289)" + }, + "parent_node_id": "node_1455", + "improvement_over_parent": null + }, + "node_1457": { + "node_id": "node_1457", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.86 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8630219874747, + "fos_buckling": 1.5366212766067953, + "fos_yielding": 14.25955843869777, + "deflection": 0.005958342142579448, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_1456", + "improvement_over_parent": null + }, + "node_1458": { + "node_id": "node_1458", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1457", + "improvement_over_parent": null + }, + "node_1459": { + "node_id": "node_1459", + "content": "INITIAL DESIGN (Trace 216)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 287.91 kg\n Factor of Safety: 0.22\n Max Deflection: 4.07e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.9135159278383, + "fos_buckling": 0.21939093576429589, + "fos_yielding": 2.2971581622596666, + "deflection": 40683524302785.555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1460": { + "node_id": "node_1460", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 353.05 kg\n Factor of Safety: 0.82\n Max Deflection: 9.90e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.0517145140886, + "fos_buckling": 0.8167514153891042, + "fos_yielding": 9.835201453717945, + "deflection": 0.009901413445396847, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008272)" + }, + "parent_node_id": "node_1459", + "improvement_over_parent": null + }, + "node_1461": { + "node_id": "node_1461", + "content": "MODIFICATION: Increase 5 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 355.25 kg\n Factor of Safety: 0.82\n Max Deflection: 9.83e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.24606079345665, + "fos_buckling": 0.8167514153891042, + "fos_yielding": 9.835201453717945, + "deflection": 0.009828431910829515, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.441)" + }, + "parent_node_id": "node_1460", + "improvement_over_parent": null + }, + "node_1462": { + "node_id": "node_1462", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 392.42 kg\n Factor of Safety: 1.18\n Max Deflection: 8.14e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.4210264721216, + "fos_buckling": 1.1842104000211424, + "fos_yielding": 11.660002259984365, + "deflection": 0.008139575487080851, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006635)" + }, + "parent_node_id": "node_1461", + "improvement_over_parent": null + }, + "node_1463": { + "node_id": "node_1463", + "content": "MODIFICATION: Increase 1 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 401.39 kg\n Factor of Safety: 1.19\n Max Deflection: 7.89e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.3876146831307, + "fos_buckling": 1.185771426382829, + "fos_yielding": 12.085871928035843, + "deflection": 0.007886945523033973, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.244)" + }, + "parent_node_id": "node_1462", + "improvement_over_parent": null + }, + "node_1464": { + "node_id": "node_1464", + "content": "MODIFICATION: Increase 8 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0127)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 432.37 kg\n Factor of Safety: 1.19\n Max Deflection: 7.42e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.37087915053047, + "fos_buckling": 1.187474919437848, + "fos_yielding": 12.923482977608597, + "deflection": 0.007419448436381291, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.531)" + }, + "parent_node_id": "node_1463", + "improvement_over_parent": null + }, + "node_1465": { + "node_id": "node_1465", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0166)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 552.31 kg\n Factor of Safety: 1.45\n Max Deflection: 5.85e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 552.3061212680701, + "fos_buckling": 1.4530455084612452, + "fos_yielding": 16.51796855298261, + "deflection": 0.005845870183679176, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.307)" + }, + "parent_node_id": "node_1464", + "improvement_over_parent": null + }, + "node_1466": { + "node_id": "node_1466", + "content": "MODIFICATION: Increase 9 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0166)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 568.97 kg\n Factor of Safety: 1.63\n Max Deflection: 5.65e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 568.9739549361275, + "fos_buckling": 1.6282911922639598, + "fos_yielding": 17.08760857284163, + "deflection": 0.005649812001968748, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.225)" + }, + "parent_node_id": "node_1465", + "improvement_over_parent": null + }, + "node_1467": { + "node_id": "node_1467", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1466", + "improvement_over_parent": null + }, + "node_1468": { + "node_id": "node_1468", + "content": "INITIAL DESIGN (Trace 217)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 466.17 kg\n Factor of Safety: 1.00\n Max Deflection: 7.65e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.16782394066155, + "fos_buckling": 0.9990949655557387, + "fos_yielding": 12.506343658107095, + "deflection": 0.00764753336000562, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1469": { + "node_id": "node_1469", + "content": "MODIFICATION: Increase 4 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 468.64 kg\n Factor of Safety: 1.00\n Max Deflection: 7.63e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 468.63601606809, + "fos_buckling": 0.9987840610176265, + "fos_yielding": 12.502451856894448, + "deflection": 0.007632532018847348, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.258)" + }, + "parent_node_id": "node_1468", + "improvement_over_parent": null + }, + "node_1470": { + "node_id": "node_1470", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 516.24 kg\n Factor of Safety: 1.46\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 516.238780528593, + "fos_buckling": 1.4573322392516599, + "fos_yielding": 15.417482257533312, + "deflection": 0.006184289741783575, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1469", + "improvement_over_parent": null + }, + "node_1471": { + "node_id": "node_1471", + "content": "MODIFICATION: Increase 9 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 532.33 kg\n Factor of Safety: 1.46\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.333887966856, + "fos_buckling": 1.4583036999130483, + "fos_yielding": 15.919309595234832, + "deflection": 0.006006746936718437, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.217)" + }, + "parent_node_id": "node_1470", + "improvement_over_parent": null + }, + "node_1472": { + "node_id": "node_1472", + "content": "MODIFICATION: Increase 4 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0077)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 534.88 kg\n Factor of Safety: 1.47\n Max Deflection: 5.96e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.8824981902197, + "fos_buckling": 1.468822449730119, + "fos_yielding": 17.73466769942147, + "deflection": 0.005961550828302432, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.221)" + }, + "parent_node_id": "node_1471", + "improvement_over_parent": null + }, + "node_1473": { + "node_id": "node_1473", + "content": "MODIFICATION: Increase 8 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0077)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0111)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 555.27 kg\n Factor of Safety: 1.46\n Max Deflection: 5.85e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 555.2703115919444, + "fos_buckling": 1.464223830657713, + "fos_yielding": 17.779506698892177, + "deflection": 0.005846631638998505, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.425)" + }, + "parent_node_id": "node_1472", + "improvement_over_parent": null + }, + "node_1474": { + "node_id": "node_1474", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1473", + "improvement_over_parent": null + }, + "node_1475": { + "node_id": "node_1475", + "content": "INITIAL DESIGN (Trace 218)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 214.71 kg\n Factor of Safety: 0.34\n Max Deflection: 2.33e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 214.70561268569207, + "fos_buckling": 0.3385569356627264, + "fos_yielding": 3.7423062986930504, + "deflection": 0.023322858223014893, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1476": { + "node_id": "node_1476", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n\nPerformance:\n Mass: 239.31 kg\n Factor of Safety: 0.34\n Max Deflection: 2.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 239.3145049260113, + "fos_buckling": 0.3380240678918728, + "fos_yielding": 3.7364630421052176, + "deflection": 0.021049094463277677, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.004289)" + }, + "parent_node_id": "node_1475", + "improvement_over_parent": null + }, + "node_1477": { + "node_id": "node_1477", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 282.43 kg\n Factor of Safety: 0.88\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.4330153799735, + "fos_buckling": 0.8781641692542916, + "fos_yielding": 7.336224820846384, + "deflection": 0.011333753981327159, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005347)" + }, + "parent_node_id": "node_1476", + "improvement_over_parent": null + }, + "node_1478": { + "node_id": "node_1478", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 345.55 kg\n Factor of Safety: 1.05\n Max Deflection: 9.30e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 345.5479418751333, + "fos_buckling": 1.0497724537362587, + "fos_yielding": 8.987758283377545, + "deflection": 0.009299298853527007, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_1477", + "improvement_over_parent": null + }, + "node_1479": { + "node_id": "node_1479", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 447.98 kg\n Factor of Safety: 1.31\n Max Deflection: 7.22e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.97844577712596, + "fos_buckling": 1.3096442449604229, + "fos_yielding": 11.677577187946818, + "deflection": 0.007217668157230035, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_1478", + "improvement_over_parent": null + }, + "node_1480": { + "node_id": "node_1480", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2963456208531, + "fos_buckling": 1.5377356449925073, + "fos_yielding": 14.270532957129374, + "deflection": 0.005953843062165298, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_1479", + "improvement_over_parent": null + }, + "node_1481": { + "node_id": "node_1481", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1480", + "improvement_over_parent": null + }, + "node_1482": { + "node_id": "node_1482", + "content": "INITIAL DESIGN (Trace 219)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1483": { + "node_id": "node_1483", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1465619988734, + "fos_buckling": 0.9980356238604884, + "fos_yielding": 12.493083165612479, + "deflection": 0.007457272458590764, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1482", + "improvement_over_parent": null + }, + "node_1484": { + "node_id": "node_1484", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691677, + "deflection": 0.005954037788644468, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1483", + "improvement_over_parent": null + }, + "node_1485": { + "node_id": "node_1485", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1484", + "improvement_over_parent": null + }, + "node_1486": { + "node_id": "node_1486", + "content": "INITIAL DESIGN (Trace 220)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1487": { + "node_id": "node_1487", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 243.82 kg\n Factor of Safety: 0.29\n Max Deflection: 2.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 243.82114695297872, + "fos_buckling": 0.2926227440992809, + "fos_yielding": 4.313340415730323, + "deflection": 0.0215673895669963, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005538)" + }, + "parent_node_id": "node_1486", + "improvement_over_parent": null + }, + "node_1488": { + "node_id": "node_1488", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 312.68 kg\n Factor of Safety: 0.37\n Max Deflection: 1.69e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.6754874947052, + "fos_buckling": 0.36737328100314026, + "fos_yielding": 5.530479650064957, + "deflection": 0.016873725640158044, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.302)" + }, + "parent_node_id": "node_1487", + "improvement_over_parent": null + }, + "node_1489": { + "node_id": "node_1489", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 402.91 kg\n Factor of Safety: 0.46\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.91169317108375, + "fos_buckling": 0.46012918910631134, + "fos_yielding": 7.1148085263562955, + "deflection": 0.01315022795854179, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.316)" + }, + "parent_node_id": "node_1488", + "improvement_over_parent": null + }, + "node_1490": { + "node_id": "node_1490", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 450.51 kg\n Factor of Safety: 0.46\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.5144576315867, + "fos_buckling": 0.458746692721032, + "fos_yielding": 7.093721442130236, + "deflection": 0.011978377160171486, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1489", + "improvement_over_parent": null + }, + "node_1491": { + "node_id": "node_1491", + "content": "MODIFICATION: Increase 2 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.97 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.9697403290471, + "fos_buckling": 0.5929201655674807, + "fos_yielding": 7.0772564730464245, + "deflection": 0.011028876355573642, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.389)" + }, + "parent_node_id": "node_1490", + "improvement_over_parent": null + }, + "node_1492": { + "node_id": "node_1492", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.36 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3649727624086, + "fos_buckling": 1.5376454593222308, + "fos_yielding": 14.274306524234891, + "deflection": 0.005953032125132981, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1491", + "improvement_over_parent": null + }, + "node_1493": { + "node_id": "node_1493", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1492", + "improvement_over_parent": null + }, + "node_1494": { + "node_id": "node_1494", + "content": "INITIAL DESIGN (Trace 221)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 243.83 kg\n Factor of Safety: 0.65\n Max Deflection: 2.42e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 243.82859475124764, + "fos_buckling": 0.6453006196394854, + "fos_yielding": 7.578137515450016, + "deflection": 2416752571187.787, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1495": { + "node_id": "node_1495", + "content": "MODIFICATION: Increase 2 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 248.10 kg\n Factor of Safety: 0.65\n Max Deflection: 2.42e+12 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 248.09680285512758, + "fos_buckling": 0.6451232145060007, + "fos_yielding": 7.597513033441517, + "deflection": 2416752571187.7188, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.189)" + }, + "parent_node_id": "node_1494", + "improvement_over_parent": null + }, + "node_1496": { + "node_id": "node_1496", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 324.12 kg\n Factor of Safety: 0.82\n Max Deflection: 3.78e+12 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.12138000065306, + "fos_buckling": 0.81526540812475, + "fos_yielding": 9.740335391437997, + "deflection": 3778680300437.6167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_1495", + "improvement_over_parent": null + }, + "node_1497": { + "node_id": "node_1497", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 360.73 kg\n Factor of Safety: 0.81\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.7317463646495, + "fos_buckling": 0.8058896127017194, + "fos_yielding": 9.684140899510444, + "deflection": 0.011725827166962924, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006527)" + }, + "parent_node_id": "node_1496", + "improvement_over_parent": null + }, + "node_1498": { + "node_id": "node_1498", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 410.06 kg\n Factor of Safety: 0.81\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.05667497833116, + "fos_buckling": 0.8133519466457101, + "fos_yielding": 9.77381359439793, + "deflection": 0.011725827166962927, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007135)" + }, + "parent_node_id": "node_1497", + "improvement_over_parent": null + }, + "node_1499": { + "node_id": "node_1499", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n\nPerformance:\n Mass: 420.03 kg\n Factor of Safety: 1.24\n Max Deflection: 7.69e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 420.0310197776866, + "fos_buckling": 1.2409796701761737, + "fos_yielding": 10.943376628438758, + "deflection": 0.007685112526951188, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004721)" + }, + "parent_node_id": "node_1498", + "improvement_over_parent": null + }, + "node_1500": { + "node_id": "node_1500", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.317237632871, + "fos_buckling": 1.5377541183400227, + "fos_yielding": 14.27217229166053, + "deflection": 0.005953776069023184, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_1499", + "improvement_over_parent": null + }, + "node_1501": { + "node_id": "node_1501", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1500", + "improvement_over_parent": null + }, + "node_1502": { + "node_id": "node_1502", + "content": "INITIAL DESIGN (Trace 222)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1503": { + "node_id": "node_1503", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 278.07 kg\n Factor of Safety: 0.14\n Max Deflection: 1.38e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.06621584761933, + "fos_buckling": 0.14363977164132924, + "fos_yielding": 1.7368991144325177, + "deflection": 138496302804563.25, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007591)" + }, + "parent_node_id": "node_1502", + "improvement_over_parent": null + }, + "node_1504": { + "node_id": "node_1504", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n\nPerformance:\n Mass: 287.41 kg\n Factor of Safety: 0.45\n Max Deflection: 1.68e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.41458367914555, + "fos_buckling": 0.45397043333158205, + "fos_yielding": 5.177605101665264, + "deflection": 0.01680891476769286, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004405)" + }, + "parent_node_id": "node_1503", + "improvement_over_parent": null + }, + "node_1505": { + "node_id": "node_1505", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 358.64 kg\n Factor of Safety: 0.55\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 358.6350451902415, + "fos_buckling": 0.5466489522288637, + "fos_yielding": 6.414704020095998, + "deflection": 0.01353040920641587, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_1504", + "improvement_over_parent": null + }, + "node_1506": { + "node_id": "node_1506", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 416.29 kg\n Factor of Safety: 0.54\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.29305753580843, + "fos_buckling": 0.5446553347335863, + "fos_yielding": 6.391628392014294, + "deflection": 0.012229855272584631, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008444)" + }, + "parent_node_id": "node_1505", + "improvement_over_parent": null + }, + "node_1507": { + "node_id": "node_1507", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.26 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.2626569572367, + "fos_buckling": 0.593474408610848, + "fos_yielding": 7.0814266532659955, + "deflection": 0.011020881236073954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_1506", + "improvement_over_parent": null + }, + "node_1508": { + "node_id": "node_1508", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.66 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6578893905981, + "fos_buckling": 1.537917722785701, + "fos_yielding": 14.281307553283963, + "deflection": 0.00595005327831977, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1507", + "improvement_over_parent": null + }, + "node_1509": { + "node_id": "node_1509", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1508", + "improvement_over_parent": null + }, + "node_1510": { + "node_id": "node_1510", + "content": "INITIAL DESIGN (Trace 223)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 428.58 kg\n Factor of Safety: 0.60\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.58227254369024, + "fos_buckling": 0.5988456057019312, + "fos_yielding": 7.292345582588096, + "deflection": 0.012373119275864746, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1511": { + "node_id": "node_1511", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n\nPerformance:\n Mass: 435.70 kg\n Factor of Safety: 0.94\n Max Deflection: 7.90e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.704994870624, + "fos_buckling": 0.9378009790810381, + "fos_yielding": 7.457980856194263, + "deflection": 0.007901024068495011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003305)" + }, + "parent_node_id": "node_1510", + "improvement_over_parent": null + }, + "node_1512": { + "node_id": "node_1512", + "content": "MODIFICATION: Increase 5 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n\nPerformance:\n Mass: 440.14 kg\n Factor of Safety: 0.95\n Max Deflection: 7.83e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.1396634897482, + "fos_buckling": 0.9464616386708236, + "fos_yielding": 7.3595480898470145, + "deflection": 0.00782862657914387, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.610)" + }, + "parent_node_id": "node_1511", + "improvement_over_parent": null + }, + "node_1513": { + "node_id": "node_1513", + "content": "MODIFICATION: Increase 10 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n\nPerformance:\n Mass: 441.37 kg\n Factor of Safety: 0.97\n Max Deflection: 7.72e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.36568017502384, + "fos_buckling": 0.968449347951701, + "fos_yielding": 8.426403504542112, + "deflection": 0.007721706361460282, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.182)" + }, + "parent_node_id": "node_1512", + "improvement_over_parent": null + }, + "node_1514": { + "node_id": "node_1514", + "content": "MODIFICATION: Increase 10 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0058)]\n\nPerformance:\n Mass: 445.18 kg\n Factor of Safety: 1.00\n Max Deflection: 7.51e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.17522519940167, + "fos_buckling": 0.9957184581054448, + "fos_yielding": 11.74166830010826, + "deflection": 0.007514703364015301, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.497)" + }, + "parent_node_id": "node_1513", + "improvement_over_parent": null + }, + "node_1515": { + "node_id": "node_1515", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0087)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0069)]\n\nPerformance:\n Mass: 517.86 kg\n Factor of Safety: 1.14\n Max Deflection: 6.48e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.8622130414179, + "fos_buckling": 1.141043181284725, + "fos_yielding": 13.674308747125789, + "deflection": 0.006483552413011783, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.179)" + }, + "parent_node_id": "node_1514", + "improvement_over_parent": null + }, + "node_1516": { + "node_id": "node_1516", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1515", + "improvement_over_parent": null + }, + "node_1517": { + "node_id": "node_1517", + "content": "INITIAL DESIGN (Trace 224)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 285.11 kg\n Factor of Safety: 0.68\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 285.10531222809186, + "fos_buckling": 0.6810657401259426, + "fos_yielding": 7.994952935625329, + "deflection": 0.011861681901510135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1518": { + "node_id": "node_1518", + "content": "MODIFICATION: Increase 8 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 294.87 kg\n Factor of Safety: 0.68\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.8672452192676, + "fos_buckling": 0.680641999323424, + "fos_yielding": 7.98997869074199, + "deflection": 0.011661055154998807, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.335)" + }, + "parent_node_id": "node_1517", + "improvement_over_parent": null + }, + "node_1519": { + "node_id": "node_1519", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 354.23 kg\n Factor of Safety: 0.80\n Max Deflection: 9.75e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.2348881051211, + "fos_buckling": 0.7969119047728289, + "fos_yielding": 9.560264528861387, + "deflection": 0.009745497170229012, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_1518", + "improvement_over_parent": null + }, + "node_1520": { + "node_id": "node_1520", + "content": "MODIFICATION: Increase 3 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 366.02 kg\n Factor of Safety: 0.80\n Max Deflection: 9.75e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.01830997836777, + "fos_buckling": 0.7963160858843847, + "fos_yielding": 9.553116704678185, + "deflection": 0.009752789905724034, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.517)" + }, + "parent_node_id": "node_1519", + "improvement_over_parent": null + }, + "node_1521": { + "node_id": "node_1521", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 427.45 kg\n Factor of Safety: 0.91\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.44603553688114, + "fos_buckling": 0.9059978868407852, + "fos_yielding": 11.113635944808255, + "deflection": 0.008383170098753895, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_1520", + "improvement_over_parent": null + }, + "node_1522": { + "node_id": "node_1522", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 484.29 kg\n Factor of Safety: 1.40\n Max Deflection: 6.69e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.28639954673696, + "fos_buckling": 1.3962980701711079, + "fos_yielding": 12.634791954827875, + "deflection": 0.006691070014427025, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008314)" + }, + "parent_node_id": "node_1521", + "improvement_over_parent": null + }, + "node_1523": { + "node_id": "node_1523", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.87 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.8653460678189, + "fos_buckling": 1.539001643894654, + "fos_yielding": 14.286608651640842, + "deflection": 0.005947748192527028, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_1522", + "improvement_over_parent": null + }, + "node_1524": { + "node_id": "node_1524", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1523", + "improvement_over_parent": null + }, + "node_1525": { + "node_id": "node_1525", + "content": "INITIAL DESIGN (Trace 225)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 396.33 kg\n Factor of Safety: 0.85\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.3280815881614, + "fos_buckling": 0.8464792172598931, + "fos_yielding": 10.255626616891885, + "deflection": 0.011029304745338787, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1526": { + "node_id": "node_1526", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 485.48 kg\n Factor of Safety: 1.00\n Max Deflection: 9.03e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.4839281570004, + "fos_buckling": 0.998262601856371, + "fos_yielding": 12.494883018552997, + "deflection": 0.009026599165701064, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_1525", + "improvement_over_parent": null + }, + "node_1527": { + "node_id": "node_1527", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.45 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.45344766655523, + "fos_buckling": 0.996633162045872, + "fos_yielding": 12.474487924336204, + "deflection": 0.007466133625140508, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1526", + "improvement_over_parent": null + }, + "node_1528": { + "node_id": "node_1528", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.06 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0562121270582, + "fos_buckling": 1.537176579217751, + "fos_yielding": 14.268628684713654, + "deflection": 0.005956379034325779, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1527", + "improvement_over_parent": null + }, + "node_1529": { + "node_id": "node_1529", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1528", + "improvement_over_parent": null + }, + "node_1530": { + "node_id": "node_1530", + "content": "INITIAL DESIGN (Trace 226)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 412.61 kg\n Factor of Safety: 0.43\n Max Deflection: 5.54e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.60715337713975, + "fos_buckling": 0.4282569260068117, + "fos_yielding": 6.548104077979272, + "deflection": 55407229153946.5, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1531": { + "node_id": "node_1531", + "content": "MODIFICATION: Increase 3 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.27 kg\n Factor of Safety: 0.43\n Max Deflection: 5.54e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.27373210365715, + "fos_buckling": 0.4282569260068117, + "fos_yielding": 6.548104077979272, + "deflection": 55407229153946.5, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.420)" + }, + "parent_node_id": "node_1530", + "improvement_over_parent": null + }, + "node_1532": { + "node_id": "node_1532", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8764965641601, + "fos_buckling": 0.5930887411116433, + "fos_yielding": 7.070961803113926, + "deflection": 0.011030790914236735, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1531", + "improvement_over_parent": null + }, + "node_1533": { + "node_id": "node_1533", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2717289975216, + "fos_buckling": 1.537630745178566, + "fos_yielding": 14.270121229206564, + "deflection": 0.005954142853627627, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1532", + "improvement_over_parent": null + }, + "node_1534": { + "node_id": "node_1534", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1533", + "improvement_over_parent": null + }, + "node_1535": { + "node_id": "node_1535", + "content": "INITIAL DESIGN (Trace 227)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1536": { + "node_id": "node_1536", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 376.71 kg\n Factor of Safety: 0.90\n Max Deflection: 9.08e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.7077991992333, + "fos_buckling": 0.8952877023667712, + "fos_yielding": 10.952100364903156, + "deflection": 0.009077204443703829, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007463)" + }, + "parent_node_id": "node_1535", + "improvement_over_parent": null + }, + "node_1537": { + "node_id": "node_1537", + "content": "MODIFICATION: Increase 8 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0133)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 404.18 kg\n Factor of Safety: 1.16\n Max Deflection: 8.31e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.1825281812715, + "fos_buckling": 1.1602663059569087, + "fos_yielding": 10.93305531028867, + "deflection": 0.008308715798921777, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.425)" + }, + "parent_node_id": "node_1536", + "improvement_over_parent": null + }, + "node_1538": { + "node_id": "node_1538", + "content": "MODIFICATION: Increase 2 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0133)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 415.78 kg\n Factor of Safety: 1.16\n Max Deflection: 8.23e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.7768107377895, + "fos_buckling": 1.159415492462254, + "fos_yielding": 10.925038193056151, + "deflection": 0.0082253559221905, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.420)" + }, + "parent_node_id": "node_1537", + "improvement_over_parent": null + }, + "node_1539": { + "node_id": "node_1539", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0154)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 477.01 kg\n Factor of Safety: 1.28\n Max Deflection: 7.20e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.01126044632633, + "fos_buckling": 1.2764649380243573, + "fos_yielding": 12.49797564076734, + "deflection": 0.007196752401811786, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_1538", + "improvement_over_parent": null + }, + "node_1540": { + "node_id": "node_1540", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0154)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 541.14 kg\n Factor of Safety: 1.36\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.143913338947, + "fos_buckling": 1.3602840015095223, + "fos_yielding": 17.0281990755961, + "deflection": 0.006030899927709682, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1539", + "improvement_over_parent": null + }, + "node_1541": { + "node_id": "node_1541", + "content": "MODIFICATION: Increase 4 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0082)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0154)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 544.58 kg\n Factor of Safety: 1.37\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.5754170815219, + "fos_buckling": 1.3692569439245652, + "fos_yielding": 17.140523450188212, + "deflection": 0.005981438736170231, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.300)" + }, + "parent_node_id": "node_1540", + "improvement_over_parent": null + }, + "node_1542": { + "node_id": "node_1542", + "content": "MODIFICATION: Increase 8 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0082)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0242)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 595.93 kg\n Factor of Safety: 1.37\n Max Deflection: 5.73e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 595.9269992710499, + "fos_buckling": 1.3672385162497491, + "fos_yielding": 17.11525652928909, + "deflection": 0.005729916187589112, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.570)" + }, + "parent_node_id": "node_1541", + "improvement_over_parent": null + }, + "node_1543": { + "node_id": "node_1543", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1542", + "improvement_over_parent": null + }, + "node_1544": { + "node_id": "node_1544", + "content": "INITIAL DESIGN (Trace 228)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 421.84 kg\n Factor of Safety: 0.87\n Max Deflection: 8.78e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.8434465087704, + "fos_buckling": 0.8709748321561008, + "fos_yielding": 10.607847698659889, + "deflection": 0.00878060413937381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1545": { + "node_id": "node_1545", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.66 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6570975512254, + "fos_buckling": 0.9969651376195399, + "fos_yielding": 12.479590756586736, + "deflection": 0.0074631253562018295, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.200)" + }, + "parent_node_id": "node_1544", + "improvement_over_parent": null + }, + "node_1546": { + "node_id": "node_1546", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 538.46 kg\n Factor of Safety: 1.50\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 538.4646248533777, + "fos_buckling": 1.4993935442472457, + "fos_yielding": 14.574302481090834, + "deflection": 0.006014726628500859, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007142)" + }, + "parent_node_id": "node_1545", + "improvement_over_parent": null + }, + "node_1547": { + "node_id": "node_1547", + "content": "MODIFICATION: Increase 3 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 540.31 kg\n Factor of Safety: 1.50\n Max Deflection: 5.99e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 540.3078023378982, + "fos_buckling": 1.5006158928757958, + "fos_yielding": 14.474493143804308, + "deflection": 0.00599377371297719, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.215)" + }, + "parent_node_id": "node_1546", + "improvement_over_parent": null + }, + "node_1548": { + "node_id": "node_1548", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1547", + "improvement_over_parent": null + }, + "node_1549": { + "node_id": "node_1549", + "content": "INITIAL DESIGN (Trace 229)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n\nPerformance:\n Mass: 242.94 kg\n Factor of Safety: 0.34\n Max Deflection: 2.07e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.93882183567644, + "fos_buckling": 0.3446753348227371, + "fos_yielding": 3.8165102965450957, + "deflection": 0.020687902845563554, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1550": { + "node_id": "node_1550", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 287.01 kg\n Factor of Safety: 0.74\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.00561865270635, + "fos_buckling": 0.739637108443279, + "fos_yielding": 7.502078957985747, + "deflection": 0.011200561149241018, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005470)" + }, + "parent_node_id": "node_1549", + "improvement_over_parent": null + }, + "node_1551": { + "node_id": "node_1551", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 375.13 kg\n Factor of Safety: 0.94\n Max Deflection: 8.62e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.13411744750596, + "fos_buckling": 0.9413874219406486, + "fos_yielding": 9.725596672377678, + "deflection": 0.008615425171776181, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_1550", + "improvement_over_parent": null + }, + "node_1552": { + "node_id": "node_1552", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 477.35 kg\n Factor of Safety: 1.16\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.3528225279937, + "fos_buckling": 1.1613008360241401, + "fos_yielding": 12.264706018621697, + "deflection": 0.006812559221421773, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.295)" + }, + "parent_node_id": "node_1551", + "improvement_over_parent": null + }, + "node_1553": { + "node_id": "node_1553", + "content": "MODIFICATION: Increase 4 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 479.99 kg\n Factor of Safety: 1.39\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.99076657952537, + "fos_buckling": 1.3861625370427586, + "fos_yielding": 12.520881879007261, + "deflection": 0.0067493367534528755, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.490)" + }, + "parent_node_id": "node_1552", + "improvement_over_parent": null + }, + "node_1554": { + "node_id": "node_1554", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3937276236105, + "fos_buckling": 1.5379235105063847, + "fos_yielding": 14.273377880234007, + "deflection": 0.005952830012700004, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_1553", + "improvement_over_parent": null + }, + "node_1555": { + "node_id": "node_1555", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1554", + "improvement_over_parent": null + }, + "node_1556": { + "node_id": "node_1556", + "content": "INITIAL DESIGN (Trace 230)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 401.56 kg\n Factor of Safety: 1.03\n Max Deflection: 8.14e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.55802757503596, + "fos_buckling": 1.0344017291393373, + "fos_yielding": 10.316446786232174, + "deflection": 0.008135307668461187, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1557": { + "node_id": "node_1557", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 467.64 kg\n Factor of Safety: 1.18\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.636052872022, + "fos_buckling": 1.1824033453064184, + "fos_yielding": 12.033085845765147, + "deflection": 0.0070121184355285094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.178)" + }, + "parent_node_id": "node_1556", + "improvement_over_parent": null + }, + "node_1558": { + "node_id": "node_1558", + "content": "MODIFICATION: Increase 10 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 484.84 kg\n Factor of Safety: 1.40\n Max Deflection: 6.68e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.83695417826334, + "fos_buckling": 1.3975181987927539, + "fos_yielding": 12.648383349841563, + "deflection": 0.006683755433488878, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.328)" + }, + "parent_node_id": "node_1557", + "improvement_over_parent": null + }, + "node_1559": { + "node_id": "node_1559", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.17 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1713424097189, + "fos_buckling": 1.5373906256517493, + "fos_yielding": 14.267242777020781, + "deflection": 0.005955111813813033, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_1558", + "improvement_over_parent": null + }, + "node_1560": { + "node_id": "node_1560", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1559", + "improvement_over_parent": null + }, + "node_1561": { + "node_id": "node_1561", + "content": "INITIAL DESIGN (Trace 231)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0035)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0025)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n\nPerformance:\n Mass: 217.55 kg\n Factor of Safety: 0.48\n Max Deflection: 2.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 217.5508890550141, + "fos_buckling": 0.4794739233216433, + "fos_yielding": 5.438471944251337, + "deflection": 0.02106510439708567, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1562": { + "node_id": "node_1562", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0033)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 284.27 kg\n Factor of Safety: 0.61\n Max Deflection: 1.62e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 284.26893903650193, + "fos_buckling": 0.6115593376153565, + "fos_yielding": 7.087566108696595, + "deflection": 0.016161996261409434, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_1561", + "improvement_over_parent": null + }, + "node_1563": { + "node_id": "node_1563", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 325.23 kg\n Factor of Safety: 0.69\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 325.2325849036866, + "fos_buckling": 0.6892242808352688, + "fos_yielding": 8.09572037029864, + "deflection": 0.014148409985040045, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_1562", + "improvement_over_parent": null + }, + "node_1564": { + "node_id": "node_1564", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 378.95 kg\n Factor of Safety: 0.79\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.9515123859052, + "fos_buckling": 0.7871402801570289, + "fos_yielding": 9.412766161289435, + "deflection": 0.012167705971267786, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_1563", + "improvement_over_parent": null + }, + "node_1565": { + "node_id": "node_1565", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 436.61 kg\n Factor of Safety: 0.89\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.60712591593585, + "fos_buckling": 0.88729865496318, + "fos_yielding": 10.819974826946565, + "deflection": 0.010584271403951098, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_1564", + "improvement_over_parent": null + }, + "node_1566": { + "node_id": "node_1566", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n\nPerformance:\n Mass: 447.69 kg\n Factor of Safety: 1.27\n Max Deflection: 7.15e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.68774352237256, + "fos_buckling": 1.2727138450196216, + "fos_yielding": 12.884520001996146, + "deflection": 0.00714882709120149, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005287)" + }, + "parent_node_id": "node_1565", + "improvement_over_parent": null + }, + "node_1567": { + "node_id": "node_1567", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 524.54 kg\n Factor of Safety: 1.45\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.5448187516043, + "fos_buckling": 1.4468305266364498, + "fos_yielding": 15.10352374840967, + "deflection": 0.006129931007984762, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_1566", + "improvement_over_parent": null + }, + "node_1568": { + "node_id": "node_1568", + "content": "MODIFICATION: Increase 9 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0167)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 563.31 kg\n Factor of Safety: 1.55\n Max Deflection: 5.74e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 563.309220668933, + "fos_buckling": 1.54629779334542, + "fos_yielding": 16.05639483245459, + "deflection": 0.005743911177231969, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.541)" + }, + "parent_node_id": "node_1567", + "improvement_over_parent": null + }, + "node_1569": { + "node_id": "node_1569", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1568", + "improvement_over_parent": null + }, + "node_1570": { + "node_id": "node_1570", + "content": "INITIAL DESIGN (Trace 232)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 373.26 kg\n Factor of Safety: 1.02\n Max Deflection: 8.61e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.25914543968935, + "fos_buckling": 1.0191652138654812, + "fos_yielding": 10.474463562671723, + "deflection": 0.00860556814915794, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1571": { + "node_id": "node_1571", + "content": "MODIFICATION: Increase 2 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 381.58 kg\n Factor of Safety: 1.02\n Max Deflection: 8.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.5818870714108, + "fos_buckling": 1.0226865984280291, + "fos_yielding": 10.11452897084542, + "deflection": 0.008461965721398094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.353)" + }, + "parent_node_id": "node_1570", + "improvement_over_parent": null + }, + "node_1572": { + "node_id": "node_1572", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 442.60 kg\n Factor of Safety: 1.16\n Max Deflection: 7.32e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.5962612776947, + "fos_buckling": 1.1624120094868942, + "fos_yielding": 11.746528471300532, + "deflection": 0.007322489412291332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_1571", + "improvement_over_parent": null + }, + "node_1573": { + "node_id": "node_1573", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.41 kg\n Factor of Safety: 1.38\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.4125566958859, + "fos_buckling": 1.3798036448413233, + "fos_yielding": 14.451787606347999, + "deflection": 0.006000360405541616, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_1572", + "improvement_over_parent": null + }, + "node_1574": { + "node_id": "node_1574", + "content": "MODIFICATION: Increase 6 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.81 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8112880616053, + "fos_buckling": 1.5366340553304454, + "fos_yielding": 14.25882900571005, + "deflection": 0.005958891445571462, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.364)" + }, + "parent_node_id": "node_1573", + "improvement_over_parent": null + }, + "node_1575": { + "node_id": "node_1575", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1574", + "improvement_over_parent": null + }, + "node_1576": { + "node_id": "node_1576", + "content": "INITIAL DESIGN (Trace 233)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1577": { + "node_id": "node_1577", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 295.71 kg\n Factor of Safety: 0.22\n Max Deflection: 8.65e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.7085728351103, + "fos_buckling": 0.22277993941201676, + "fos_yielding": 3.4737982288650353, + "deflection": 86504103843062.67, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006590)" + }, + "parent_node_id": "node_1576", + "improvement_over_parent": null + }, + "node_1578": { + "node_id": "node_1578", + "content": "MODIFICATION: Increase 1 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 309.45 kg\n Factor of Safety: 0.45\n Max Deflection: 1.79e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 309.4461767599091, + "fos_buckling": 0.44767079486283456, + "fos_yielding": 3.6178929537148625, + "deflection": 17855118205112.465, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.429)" + }, + "parent_node_id": "node_1577", + "improvement_over_parent": null + }, + "node_1579": { + "node_id": "node_1579", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 359.22 kg\n Factor of Safety: 0.48\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.2159024217332, + "fos_buckling": 0.48193770883370846, + "fos_yielding": 5.54463322495113, + "deflection": 0.014125506741760958, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007204)" + }, + "parent_node_id": "node_1578", + "improvement_over_parent": null + }, + "node_1580": { + "node_id": "node_1580", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 423.94 kg\n Factor of Safety: 1.25\n Max Deflection: 7.62e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.93559130310217, + "fos_buckling": 1.2506582494587002, + "fos_yielding": 11.04507731050934, + "deflection": 0.007615908661294882, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008215)" + }, + "parent_node_id": "node_1579", + "improvement_over_parent": null + }, + "node_1581": { + "node_id": "node_1581", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.74 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7425659343407, + "fos_buckling": 1.5386745264027737, + "fos_yielding": 14.282235939649883, + "deflection": 0.005949126737134719, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.318)" + }, + "parent_node_id": "node_1580", + "improvement_over_parent": null + }, + "node_1582": { + "node_id": "node_1582", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1581", + "improvement_over_parent": null + }, + "node_1583": { + "node_id": "node_1583", + "content": "INITIAL DESIGN (Trace 234)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 315.50 kg\n Factor of Safety: 0.58\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.4969661710546, + "fos_buckling": 0.5841870417638351, + "fos_yielding": 7.152025345378268, + "deflection": 0.01231700131227957, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1584": { + "node_id": "node_1584", + "content": "MODIFICATION: Increase 8 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 327.81 kg\n Factor of Safety: 0.58\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 327.8141312528742, + "fos_buckling": 0.5837293793451246, + "fos_yielding": 7.14642232274298, + "deflection": 0.012129705674438761, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.376)" + }, + "parent_node_id": "node_1583", + "improvement_over_parent": null + }, + "node_1585": { + "node_id": "node_1585", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 364.23 kg\n Factor of Safety: 0.64\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.2341965820728, + "fos_buckling": 0.6417346053553799, + "fos_yielding": 7.936337796428704, + "deflection": 0.010931527912511212, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.119)" + }, + "parent_node_id": "node_1584", + "improvement_over_parent": null + }, + "node_1586": { + "node_id": "node_1586", + "content": "MODIFICATION: Increase 0 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 375.66 kg\n Factor of Safety: 0.64\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.66134433489907, + "fos_buckling": 0.6412695867383561, + "fos_yielding": 7.930586906893479, + "deflection": 0.010199082160107, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.314)" + }, + "parent_node_id": "node_1585", + "improvement_over_parent": null + }, + "node_1587": { + "node_id": "node_1587", + "content": "MODIFICATION: Increase 7 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 394.25 kg\n Factor of Safety: 0.85\n Max Deflection: 9.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.24713110139044, + "fos_buckling": 0.8475214910997705, + "fos_yielding": 10.266970006185533, + "deflection": 0.009071367064277037, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.403)" + }, + "parent_node_id": "node_1586", + "improvement_over_parent": null + }, + "node_1588": { + "node_id": "node_1588", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 446.67 kg\n Factor of Safety: 1.31\n Max Deflection: 7.24e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.6726831471759, + "fos_buckling": 1.3064952068361722, + "fos_yielding": 11.64089948288264, + "deflection": 0.007238548387859176, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007618)" + }, + "parent_node_id": "node_1587", + "improvement_over_parent": null + }, + "node_1589": { + "node_id": "node_1589", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.33 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3325456173243, + "fos_buckling": 1.5378391999373695, + "fos_yielding": 14.268701418445929, + "deflection": 0.005953744650300215, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.245)" + }, + "parent_node_id": "node_1588", + "improvement_over_parent": null + }, + "node_1590": { + "node_id": "node_1590", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1589", + "improvement_over_parent": null + }, + "node_1591": { + "node_id": "node_1591", + "content": "INITIAL DESIGN (Trace 235)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1592": { + "node_id": "node_1592", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 469.18 kg\n Factor of Safety: 1.00\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.1774015528813, + "fos_buckling": 0.9996689911428909, + "fos_yielding": 12.513529122461316, + "deflection": 0.009049992278978168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1591", + "improvement_over_parent": null + }, + "node_1593": { + "node_id": "node_1593", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.14692106243615, + "fos_buckling": 0.9980355787130479, + "fos_yielding": 12.493082600471608, + "deflection": 0.007457270140576672, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1592", + "improvement_over_parent": null + }, + "node_1594": { + "node_id": "node_1594", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2795739550568, + "fos_buckling": 1.5377027894170479, + "fos_yielding": 14.270214928086874, + "deflection": 0.005954028359191444, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1593", + "improvement_over_parent": null + }, + "node_1595": { + "node_id": "node_1595", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1594", + "improvement_over_parent": null + }, + "node_1596": { + "node_id": "node_1596", + "content": "INITIAL DESIGN (Trace 236)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n\nPerformance:\n Mass: 216.34 kg\n Factor of Safety: 0.26\n Max Deflection: 7.96e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 216.34305312725007, + "fos_buckling": 0.2566170268308635, + "fos_yielding": 2.680048635599365, + "deflection": 79605760858978.62, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1597": { + "node_id": "node_1597", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 257.89 kg\n Factor of Safety: 0.23\n Max Deflection: 4.70e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.8913922127599, + "fos_buckling": 0.22798965866612447, + "fos_yielding": 3.473798228865035, + "deflection": 46959023690056.91, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_1596", + "improvement_over_parent": null + }, + "node_1598": { + "node_id": "node_1598", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 311.34 kg\n Factor of Safety: 0.69\n Max Deflection: 1.40e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 311.340768959849, + "fos_buckling": 0.6888546463124475, + "fos_yielding": 8.098608988385461, + "deflection": 0.014006448840566585, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006701)" + }, + "parent_node_id": "node_1597", + "improvement_over_parent": null + }, + "node_1599": { + "node_id": "node_1599", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n\nPerformance:\n Mass: 341.85 kg\n Factor of Safety: 0.69\n Max Deflection: 1.40e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.85069448339374, + "fos_buckling": 0.6945417891955202, + "fos_yielding": 8.166608032657907, + "deflection": 0.014033961939928218, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005376)" + }, + "parent_node_id": "node_1598", + "improvement_over_parent": null + }, + "node_1600": { + "node_id": "node_1600", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n\nPerformance:\n Mass: 350.16 kg\n Factor of Safety: 1.06\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.16202876336337, + "fos_buckling": 1.061853587474513, + "fos_yielding": 9.10661125890902, + "deflection": 0.009179454288458046, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003888)" + }, + "parent_node_id": "node_1599", + "improvement_over_parent": null + }, + "node_1601": { + "node_id": "node_1601", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 433.67 kg\n Factor of Safety: 1.27\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 433.6739549795317, + "fos_buckling": 1.2745907675399515, + "fos_yielding": 11.298719161580578, + "deflection": 0.007449390220308745, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.256)" + }, + "parent_node_id": "node_1600", + "improvement_over_parent": null + }, + "node_1602": { + "node_id": "node_1602", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2575037295619, + "fos_buckling": 1.5375003518850845, + "fos_yielding": 14.266407880667016, + "deflection": 0.005954324537528504, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.285)" + }, + "parent_node_id": "node_1601", + "improvement_over_parent": null + }, + "node_1603": { + "node_id": "node_1603", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1602", + "improvement_over_parent": null + }, + "node_1604": { + "node_id": "node_1604", + "content": "INITIAL DESIGN (Trace 237)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1605": { + "node_id": "node_1605", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.51 kg\n Factor of Safety: 1.00\n Max Deflection: 8.42e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.50740016186364, + "fos_buckling": 0.9992718341890922, + "fos_yielding": 8.538952345574147, + "deflection": 0.008417176439295541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1604", + "improvement_over_parent": null + }, + "node_1606": { + "node_id": "node_1606", + "content": "MODIFICATION: Increase 0 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.19 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.18934729794967, + "fos_buckling": 0.9980329340281079, + "fos_yielding": 12.501686838361449, + "deflection": 0.0074558500103784064, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.511)" + }, + "parent_node_id": "node_1605", + "improvement_over_parent": null + }, + "node_1607": { + "node_id": "node_1607", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3220001905703, + "fos_buckling": 1.5375212510017244, + "fos_yielding": 14.271442778886476, + "deflection": 0.005953445643811202, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1606", + "improvement_over_parent": null + }, + "node_1608": { + "node_id": "node_1608", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1607", + "improvement_over_parent": null + }, + "node_1609": { + "node_id": "node_1609", + "content": "INITIAL DESIGN (Trace 238)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0032)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 268.63 kg\n Factor of Safety: 0.84\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.62928371057956, + "fos_buckling": 0.8447522107391602, + "fos_yielding": 6.718430547701429, + "deflection": 0.011724035132715808, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1610": { + "node_id": "node_1610", + "content": "MODIFICATION: Increase 8 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0032)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 280.89 kg\n Factor of Safety: 0.83\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.89152447769146, + "fos_buckling": 0.8296078996240042, + "fos_yielding": 6.29808535174866, + "deflection": 0.011394705206115897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.575)" + }, + "parent_node_id": "node_1609", + "improvement_over_parent": null + }, + "node_1611": { + "node_id": "node_1611", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 341.26 kg\n Factor of Safety: 1.00\n Max Deflection: 9.41e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.25604946970327, + "fos_buckling": 0.996276562857743, + "fos_yielding": 7.673237361173967, + "deflection": 0.009411992778873949, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.227)" + }, + "parent_node_id": "node_1610", + "improvement_over_parent": null + }, + "node_1612": { + "node_id": "node_1612", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 444.57 kg\n Factor of Safety: 1.25\n Max Deflection: 7.27e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.56618584496886, + "fos_buckling": 1.253282594503044, + "fos_yielding": 10.046100989261232, + "deflection": 0.007267981807048148, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_1611", + "improvement_over_parent": null + }, + "node_1613": { + "node_id": "node_1613", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.73 kg\n Factor of Safety: 1.43\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.7322852760823, + "fos_buckling": 1.4269603336683852, + "fos_yielding": 11.835313331798154, + "deflection": 0.006220493657509081, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_1612", + "improvement_over_parent": null + }, + "node_1614": { + "node_id": "node_1614", + "content": "MODIFICATION: Increase 5 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 524.87 kg\n Factor of Safety: 1.45\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.8744175733856, + "fos_buckling": 1.4467453461212432, + "fos_yielding": 15.108762664180889, + "deflection": 0.0061262860450664374, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.351)" + }, + "parent_node_id": "node_1613", + "improvement_over_parent": null + }, + "node_1615": { + "node_id": "node_1615", + "content": "MODIFICATION: Increase 9 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.289811155002, + "fos_buckling": 1.5377155062690928, + "fos_yielding": 14.268696490032125, + "deflection": 0.005953773687315378, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.550)" + }, + "parent_node_id": "node_1614", + "improvement_over_parent": null + }, + "node_1616": { + "node_id": "node_1616", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1615", + "improvement_over_parent": null + }, + "node_1617": { + "node_id": "node_1617", + "content": "INITIAL DESIGN (Trace 239)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 291.96 kg\n Factor of Safety: 0.68\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.95844762602496, + "fos_buckling": 0.6793932889505103, + "fos_yielding": 6.95710503412721, + "deflection": 0.012583179905450659, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1618": { + "node_id": "node_1618", + "content": "MODIFICATION: Increase 1 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 303.17 kg\n Factor of Safety: 0.68\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 303.17417607178237, + "fos_buckling": 0.682862640508368, + "fos_yielding": 7.566215054407704, + "deflection": 0.012138609129607935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.422)" + }, + "parent_node_id": "node_1617", + "improvement_over_parent": null + }, + "node_1619": { + "node_id": "node_1619", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 340.56 kg\n Factor of Safety: 0.75\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.5596204003282, + "fos_buckling": 0.7549489090668469, + "fos_yielding": 8.476960246980655, + "deflection": 0.010830825669849511, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_1618", + "improvement_over_parent": null + }, + "node_1620": { + "node_id": "node_1620", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 384.71 kg\n Factor of Safety: 0.84\n Max Deflection: 9.61e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.7120718231227, + "fos_buckling": 0.8367477688287366, + "fos_yielding": 9.547523452347411, + "deflection": 0.00961365207671018, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_1619", + "improvement_over_parent": null + }, + "node_1621": { + "node_id": "node_1621", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 423.04 kg\n Factor of Safety: 0.96\n Max Deflection: 7.76e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.0433927285519, + "fos_buckling": 0.9582612861652994, + "fos_yielding": 10.00087888261812, + "deflection": 0.007761711824629322, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006857)" + }, + "parent_node_id": "node_1620", + "improvement_over_parent": null + }, + "node_1622": { + "node_id": "node_1622", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 525.87 kg\n Factor of Safety: 1.16\n Max Deflection: 6.28e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.8732075903781, + "fos_buckling": 1.1571057803639038, + "fos_yielding": 12.351287600041577, + "deflection": 0.006280485917248821, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.266)" + }, + "parent_node_id": "node_1621", + "improvement_over_parent": null + }, + "node_1623": { + "node_id": "node_1623", + "content": "MODIFICATION: Increase 6 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0167)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 565.02 kg\n Factor of Safety: 1.15\n Max Deflection: 5.94e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 565.0157658758238, + "fos_buckling": 1.1470513438477132, + "fos_yielding": 12.243963585958118, + "deflection": 0.005935359041639248, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.546)" + }, + "parent_node_id": "node_1622", + "improvement_over_parent": null + }, + "node_1624": { + "node_id": "node_1624", + "content": "MODIFICATION: Increase 10 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0167)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0112)]\n\nPerformance:\n Mass: 577.08 kg\n Factor of Safety: 1.15\n Max Deflection: 5.89e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 577.0823867214172, + "fos_buckling": 1.1486897403665182, + "fos_yielding": 12.261452312529254, + "deflection": 0.005885799835639676, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.287)" + }, + "parent_node_id": "node_1623", + "improvement_over_parent": null + }, + "node_1625": { + "node_id": "node_1625", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1624", + "improvement_over_parent": null + }, + "node_1626": { + "node_id": "node_1626", + "content": "INITIAL DESIGN (Trace 240)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 383.45 kg\n Factor of Safety: 0.43\n Max Deflection: 1.20e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.44766325530907, + "fos_buckling": 0.42776034851691724, + "fos_yielding": 5.558077166184055, + "deflection": 12023990859940.092, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1627": { + "node_id": "node_1627", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 396.42 kg\n Factor of Safety: 0.32\n Max Deflection: 5.12e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.4171827648639, + "fos_buckling": 0.32082026138768793, + "fos_yielding": 4.257488967416361, + "deflection": 51211764790490.07, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1626", + "improvement_over_parent": null + }, + "node_1628": { + "node_id": "node_1628", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 460.55 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.54983565748455, + "fos_buckling": 0.5930545894908924, + "fos_yielding": 7.075371638495066, + "deflection": 0.01106194033778015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1627", + "improvement_over_parent": null + }, + "node_1629": { + "node_id": "node_1629", + "content": "MODIFICATION: Increase 4 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.88049698612656, + "fos_buckling": 0.5930545894908922, + "fos_yielding": 7.075371638495063, + "deflection": 0.011030311586539268, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.350)" + }, + "parent_node_id": "node_1628", + "improvement_over_parent": null + }, + "node_1630": { + "node_id": "node_1630", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.275729419488, + "fos_buckling": 1.5376638795682052, + "fos_yielding": 14.270146041417915, + "deflection": 0.0059540611745384, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1629", + "improvement_over_parent": null + }, + "node_1631": { + "node_id": "node_1631", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1630", + "improvement_over_parent": null + }, + "node_1632": { + "node_id": "node_1632", + "content": "INITIAL DESIGN (Trace 241)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 251.05 kg\n Factor of Safety: 0.45\n Max Deflection: 1.73e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.04520093959852, + "fos_buckling": 0.4529849419113721, + "fos_yielding": 3.6178929537148625, + "deflection": 17306537278280.385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1633": { + "node_id": "node_1633", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 313.07 kg\n Factor of Safety: 0.73\n Max Deflection: 1.47e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.07355768459087, + "fos_buckling": 0.7337818625943864, + "fos_yielding": 7.235785907429725, + "deflection": 14665972022985.943, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.267)" + }, + "parent_node_id": "node_1632", + "improvement_over_parent": null + }, + "node_1634": { + "node_id": "node_1634", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 386.62 kg\n Factor of Safety: 0.90\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.6229511599349, + "fos_buckling": 0.9043090094317827, + "fos_yielding": 11.083790360304276, + "deflection": 0.010386462037708988, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009430)" + }, + "parent_node_id": "node_1633", + "improvement_over_parent": null + }, + "node_1635": { + "node_id": "node_1635", + "content": "MODIFICATION: Increase 7 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0119)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 404.31 kg\n Factor of Safety: 0.90\n Max Deflection: 9.85e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.3113349006683, + "fos_buckling": 0.9033041965930402, + "fos_yielding": 11.07138023018978, + "deflection": 0.009850915546406642, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.267)" + }, + "parent_node_id": "node_1634", + "improvement_over_parent": null + }, + "node_1636": { + "node_id": "node_1636", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0119)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 446.29 kg\n Factor of Safety: 1.08\n Max Deflection: 7.89e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.2926528339525, + "fos_buckling": 1.0757173660617643, + "fos_yielding": 11.042037186900686, + "deflection": 0.00788700321454277, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007565)" + }, + "parent_node_id": "node_1635", + "improvement_over_parent": null + }, + "node_1637": { + "node_id": "node_1637", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0119)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 488.27 kg\n Factor of Safety: 1.40\n Max Deflection: 6.58e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 488.2739707672367, + "fos_buckling": 1.395752427873871, + "fos_yielding": 13.421242891357318, + "deflection": 0.006579296566944326, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007565)" + }, + "parent_node_id": "node_1636", + "improvement_over_parent": null + }, + "node_1638": { + "node_id": "node_1638", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0137)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 553.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.83e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 553.3806669190819, + "fos_buckling": 1.5433505359052573, + "fos_yielding": 15.2246033968868, + "deflection": 0.005828115089708364, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_1637", + "improvement_over_parent": null + }, + "node_1639": { + "node_id": "node_1639", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1638", + "improvement_over_parent": null + }, + "node_1640": { + "node_id": "node_1640", + "content": "INITIAL DESIGN (Trace 242)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 449.91 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.91098866805737, + "fos_buckling": 0.5085396353008689, + "fos_yielding": 6.365732650152463, + "deflection": 0.03164091842367361, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1641": { + "node_id": "node_1641", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 515.73 kg\n Factor of Safety: 0.85\n Max Deflection: 9.68e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 515.7311150319642, + "fos_buckling": 0.8537303305436115, + "fos_yielding": 10.91474271437979, + "deflection": 0.009679481733790088, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008365)" + }, + "parent_node_id": "node_1640", + "improvement_over_parent": null + }, + "node_1642": { + "node_id": "node_1642", + "content": "MODIFICATION: Increase 6 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0123)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 532.37 kg\n Factor of Safety: 0.85\n Max Deflection: 9.68e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.3683732374706, + "fos_buckling": 0.8548077166685788, + "fos_yielding": 10.92851684414577, + "deflection": 0.009678675531192199, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.294)" + }, + "parent_node_id": "node_1641", + "improvement_over_parent": null + }, + "node_1643": { + "node_id": "node_1643", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0123)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.34 kg\n Factor of Safety: 1.38\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.3378927470254, + "fos_buckling": 1.3761514958587262, + "fos_yielding": 13.295846104053664, + "deflection": 0.006113258561122244, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1642", + "improvement_over_parent": null + }, + "node_1644": { + "node_id": "node_1644", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1643", + "improvement_over_parent": null + }, + "node_1645": { + "node_id": "node_1645", + "content": "INITIAL DESIGN (Trace 243)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 262.56 kg\n Factor of Safety: 0.28\n Max Deflection: 2.62e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 262.55984072521437, + "fos_buckling": 0.2808479419068648, + "fos_yielding": 2.1421322553096576, + "deflection": 0.026174600107520013, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1646": { + "node_id": "node_1646", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 298.76 kg\n Factor of Safety: 0.32\n Max Deflection: 2.30e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 298.75699537541095, + "fos_buckling": 0.3172971323195499, + "fos_yielding": 2.4446991562729457, + "deflection": 0.023029683063888532, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.148)" + }, + "parent_node_id": "node_1645", + "improvement_over_parent": null + }, + "node_1647": { + "node_id": "node_1647", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 365.25 kg\n Factor of Safety: 0.49\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.25061420319525, + "fos_buckling": 0.4934366386535568, + "fos_yielding": 3.8653373877137773, + "deflection": 0.014660265445116746, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008457)" + }, + "parent_node_id": "node_1646", + "improvement_over_parent": null + }, + "node_1648": { + "node_id": "node_1648", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 431.74 kg\n Factor of Safety: 0.98\n Max Deflection: 7.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.74423303097956, + "fos_buckling": 0.9754132084203813, + "fos_yielding": 7.5153274478423935, + "deflection": 0.007665374668597235, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008457)" + }, + "parent_node_id": "node_1647", + "improvement_over_parent": null + }, + "node_1649": { + "node_id": "node_1649", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 541.53 kg\n Factor of Safety: 1.21\n Max Deflection: 6.15e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.5262940740107, + "fos_buckling": 1.2078751817247215, + "fos_yielding": 9.511635562476958, + "deflection": 0.006146576960274838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_1648", + "improvement_over_parent": null + }, + "node_1650": { + "node_id": "node_1650", + "content": "MODIFICATION: Increase 5 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.41 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4091864775104, + "fos_buckling": 1.5377702759913492, + "fos_yielding": 14.280206858687944, + "deflection": 0.005952667220919354, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.661)" + }, + "parent_node_id": "node_1649", + "improvement_over_parent": null + }, + "node_1651": { + "node_id": "node_1651", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1650", + "improvement_over_parent": null + }, + "node_1652": { + "node_id": "node_1652", + "content": "INITIAL DESIGN (Trace 244)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 344.47 kg\n Factor of Safety: 0.47\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.4674423890767, + "fos_buckling": 0.4651267984555962, + "fos_yielding": 5.324538880250313, + "deflection": 0.01471696034834732, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1653": { + "node_id": "node_1653", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 417.11 kg\n Factor of Safety: 0.55\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.106532164548, + "fos_buckling": 0.545491263603719, + "fos_yielding": 6.403202632354344, + "deflection": 0.012207232168028723, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.229)" + }, + "parent_node_id": "node_1652", + "improvement_over_parent": null + }, + "node_1654": { + "node_id": "node_1654", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 463.03 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.03107480618985, + "fos_buckling": 0.5932074933453501, + "fos_yielding": 7.077577204107506, + "deflection": 0.011026805056008965, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.121)" + }, + "parent_node_id": "node_1653", + "improvement_over_parent": null + }, + "node_1655": { + "node_id": "node_1655", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4263072395513, + "fos_buckling": 1.5377545000996706, + "fos_yielding": 14.273706409078686, + "deflection": 0.005952533825678439, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1654", + "improvement_over_parent": null + }, + "node_1656": { + "node_id": "node_1656", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1655", + "improvement_over_parent": null + }, + "node_1657": { + "node_id": "node_1657", + "content": "INITIAL DESIGN (Trace 245)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 383.12 kg\n Factor of Safety: 0.89\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.12451830017915, + "fos_buckling": 0.8908325378255374, + "fos_yielding": 6.933710550994856, + "deflection": 0.01034025031934595, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1658": { + "node_id": "node_1658", + "content": "MODIFICATION: Increase 1 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 402.58 kg\n Factor of Safety: 0.89\n Max Deflection: 8.99e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.58421844241565, + "fos_buckling": 0.8897351077719148, + "fos_yielding": 10.873210951019365, + "deflection": 0.008985861660677648, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.616)" + }, + "parent_node_id": "node_1657", + "improvement_over_parent": null + }, + "node_1659": { + "node_id": "node_1659", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 465.24 kg\n Factor of Safety: 1.00\n Max Deflection: 7.81e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.2403187847156, + "fos_buckling": 0.9992584105937401, + "fos_yielding": 12.506860521053117, + "deflection": 0.007806882218627987, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_1658", + "improvement_over_parent": null + }, + "node_1660": { + "node_id": "node_1660", + "content": "MODIFICATION: Increase 8 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 478.79 kg\n Factor of Safety: 1.00\n Max Deflection: 7.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.79132402981327, + "fos_buckling": 0.9984052575767729, + "fos_yielding": 12.496182336438205, + "deflection": 0.00781302987764793, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.294)" + }, + "parent_node_id": "node_1659", + "improvement_over_parent": null + }, + "node_1661": { + "node_id": "node_1661", + "content": "MODIFICATION: Increase 0 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.74 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.74415917658365, + "fos_buckling": 0.9971517024003814, + "fos_yielding": 12.480492661394832, + "deflection": 0.007462076413050895, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.522)" + }, + "parent_node_id": "node_1660", + "improvement_over_parent": null + }, + "node_1662": { + "node_id": "node_1662", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.35 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3469236370867, + "fos_buckling": 1.5379638458100608, + "fos_yielding": 14.27150660337811, + "deflection": 0.005953432875166872, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1661", + "improvement_over_parent": null + }, + "node_1663": { + "node_id": "node_1663", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1662", + "improvement_over_parent": null + }, + "node_1664": { + "node_id": "node_1664", + "content": "INITIAL DESIGN (Trace 246)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0037)]\n\nPerformance:\n Mass: 336.36 kg\n Factor of Safety: 0.75\n Max Deflection: 9.93e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.3641491086081, + "fos_buckling": 0.7483024296439632, + "fos_yielding": 8.909986894582163, + "deflection": 0.009927031435597537, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1665": { + "node_id": "node_1665", + "content": "MODIFICATION: Increase 10 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 344.97 kg\n Factor of Safety: 0.88\n Max Deflection: 9.45e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.9685614993616, + "fos_buckling": 0.8758249059654194, + "fos_yielding": 9.408229926570824, + "deflection": 0.00944870526451543, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.294)" + }, + "parent_node_id": "node_1664", + "improvement_over_parent": null + }, + "node_1666": { + "node_id": "node_1666", + "content": "MODIFICATION: Increase 2 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 354.91 kg\n Factor of Safety: 0.87\n Max Deflection: 9.26e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.90801563195055, + "fos_buckling": 0.8727587127564508, + "fos_yielding": 9.026251104352715, + "deflection": 0.009261369173115541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.468)" + }, + "parent_node_id": "node_1665", + "improvement_over_parent": null + }, + "node_1667": { + "node_id": "node_1667", + "content": "MODIFICATION: Increase 10 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 372.79 kg\n Factor of Safety: 1.12\n Max Deflection: 8.63e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.79159991172946, + "fos_buckling": 1.1211008753917815, + "fos_yielding": 9.702893717432667, + "deflection": 0.008633850373658701, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.486)" + }, + "parent_node_id": "node_1666", + "improvement_over_parent": null + }, + "node_1668": { + "node_id": "node_1668", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 416.67 kg\n Factor of Safety: 1.23\n Max Deflection: 7.75e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.6747992419685, + "fos_buckling": 1.232620014445393, + "fos_yielding": 10.855261465207755, + "deflection": 0.0077451243993916525, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.126)" + }, + "parent_node_id": "node_1667", + "improvement_over_parent": null + }, + "node_1669": { + "node_id": "node_1669", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 490.36 kg\n Factor of Safety: 1.41\n Max Deflection: 6.61e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.3595352317301, + "fos_buckling": 1.410469942902843, + "fos_yielding": 12.795092081734762, + "deflection": 0.006610639850899466, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.192)" + }, + "parent_node_id": "node_1668", + "improvement_over_parent": null + }, + "node_1670": { + "node_id": "node_1670", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.14 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1395924038228, + "fos_buckling": 1.5373471904185045, + "fos_yielding": 14.267643732322249, + "deflection": 0.005955410204798788, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_1669", + "improvement_over_parent": null + }, + "node_1671": { + "node_id": "node_1671", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1670", + "improvement_over_parent": null + }, + "node_1672": { + "node_id": "node_1672", + "content": "INITIAL DESIGN (Trace 247)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 309.57 kg\n Factor of Safety: 0.02\n Max Deflection: 9.00e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 309.56953641545, + "fos_buckling": 0.020267718359316466, + "fos_yielding": 0.22547635198727561, + "deflection": 899938721832331.4, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1673": { + "node_id": "node_1673", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 342.05 kg\n Factor of Safety: 0.76\n Max Deflection: 3.54e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.04725754742685, + "fos_buckling": 0.7591119970712958, + "fos_yielding": 13.100623142056984, + "deflection": 35397268472617.65, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_1672", + "improvement_over_parent": null + }, + "node_1674": { + "node_id": "node_1674", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 389.65 kg\n Factor of Safety: 0.86\n Max Deflection: 1.44e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 389.6500220079298, + "fos_buckling": 0.8565209360150806, + "fos_yielding": 13.89519291546014, + "deflection": 14444405948861.834, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1673", + "improvement_over_parent": null + }, + "node_1675": { + "node_id": "node_1675", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 453.78 kg\n Factor of Safety: 0.59\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.78267490055043, + "fos_buckling": 0.5935590823080481, + "fos_yielding": 7.081742650852066, + "deflection": 0.011188710486890234, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1674", + "improvement_over_parent": null + }, + "node_1676": { + "node_id": "node_1676", + "content": "MODIFICATION: Increase 0 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.99 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.9922397878481, + "fos_buckling": 0.593214325206677, + "fos_yielding": 7.077691391794559, + "deflection": 0.011028003793047284, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.192)" + }, + "parent_node_id": "node_1675", + "improvement_over_parent": null + }, + "node_1677": { + "node_id": "node_1677", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3874722212096, + "fos_buckling": 1.537683709804784, + "fos_yielding": 14.274647318163856, + "deflection": 0.005952813869544718, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1676", + "improvement_over_parent": null + }, + "node_1678": { + "node_id": "node_1678", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1677", + "improvement_over_parent": null + }, + "node_1679": { + "node_id": "node_1679", + "content": "INITIAL DESIGN (Trace 248)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 301.18 kg\n Factor of Safety: 0.80\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.1768132817133, + "fos_buckling": 0.7958594418404056, + "fos_yielding": 6.218366232487063, + "deflection": 0.013502095645497595, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1680": { + "node_id": "node_1680", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 350.11 kg\n Factor of Safety: 0.90\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.1112812219471, + "fos_buckling": 0.9021618377396753, + "fos_yielding": 7.232213968973683, + "deflection": 0.011648670965520627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.175)" + }, + "parent_node_id": "node_1679", + "improvement_over_parent": null + }, + "node_1681": { + "node_id": "node_1681", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 399.21 kg\n Factor of Safety: 1.00\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.21114508360773, + "fos_buckling": 1.0025626237334504, + "fos_yielding": 8.25181299100638, + "deflection": 0.010245480433783413, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.153)" + }, + "parent_node_id": "node_1680", + "improvement_over_parent": null + }, + "node_1682": { + "node_id": "node_1682", + "content": "MODIFICATION: Increase 3 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 401.23 kg\n Factor of Safety: 1.00\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.23455677559974, + "fos_buckling": 1.0025626237334504, + "fos_yielding": 8.25181299100638, + "deflection": 0.010245480433783413, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.292)" + }, + "parent_node_id": "node_1681", + "improvement_over_parent": null + }, + "node_1683": { + "node_id": "node_1683", + "content": "MODIFICATION: Increase 1 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 422.38 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.3777030598233, + "fos_buckling": 1.001222314737204, + "fos_yielding": 12.525224827184665, + "deflection": 0.009181412898119039, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.570)" + }, + "parent_node_id": "node_1682", + "improvement_over_parent": null + }, + "node_1684": { + "node_id": "node_1684", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 486.51 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 486.5103559524439, + "fos_buckling": 0.9971786421716117, + "fos_yielding": 12.47463875127917, + "deflection": 0.007463562030874628, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1683", + "improvement_over_parent": null + }, + "node_1685": { + "node_id": "node_1685", + "content": "MODIFICATION: Increase 8 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0135)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 504.84 kg\n Factor of Safety: 1.17\n Max Deflection: 7.02e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 504.8354253165138, + "fos_buckling": 1.1669052024285107, + "fos_yielding": 12.460259410799878, + "deflection": 0.007020406322554181, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.248)" + }, + "parent_node_id": "node_1684", + "improvement_over_parent": null + }, + "node_1686": { + "node_id": "node_1686", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0135)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 552.44 kg\n Factor of Safety: 1.54\n Max Deflection: 5.84e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 552.4381897770168, + "fos_buckling": 1.5424010317343457, + "fos_yielding": 15.150028917171982, + "deflection": 0.005839170004489029, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1685", + "improvement_over_parent": null + }, + "node_1687": { + "node_id": "node_1687", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1686", + "improvement_over_parent": null + }, + "node_1688": { + "node_id": "node_1688", + "content": "INITIAL DESIGN (Trace 249)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 465.78 kg\n Factor of Safety: 0.82\n Max Deflection: 9.77e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.7812712157688, + "fos_buckling": 0.8198390530292305, + "fos_yielding": 10.43036552513753, + "deflection": 0.009769788020401102, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1689": { + "node_id": "node_1689", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 513.38 kg\n Factor of Safety: 0.83\n Max Deflection: 9.79e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 513.3840356762718, + "fos_buckling": 0.8315013552046748, + "fos_yielding": 10.578738640696047, + "deflection": 0.009786652944699218, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1688", + "improvement_over_parent": null + }, + "node_1690": { + "node_id": "node_1690", + "content": "MODIFICATION: Increase 6 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0127)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 532.75 kg\n Factor of Safety: 0.83\n Max Deflection: 9.79e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.7504776554722, + "fos_buckling": 0.8328237957872802, + "fos_yielding": 10.595563331604442, + "deflection": 0.009785464916641742, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.344)" + }, + "parent_node_id": "node_1689", + "improvement_over_parent": null + }, + "node_1691": { + "node_id": "node_1691", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0127)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.72 kg\n Factor of Safety: 1.35\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.719997165027, + "fos_buckling": 1.3528548796481925, + "fos_yielding": 13.156473341787109, + "deflection": 0.006139643753540679, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1690", + "improvement_over_parent": null + }, + "node_1692": { + "node_id": "node_1692", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1691", + "improvement_over_parent": null + }, + "node_1693": { + "node_id": "node_1693", + "content": "INITIAL DESIGN (Trace 250)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 312.72 kg\n Factor of Safety: 0.41\n Max Deflection: 1.54e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.724178238051, + "fos_buckling": 0.41476743837454955, + "fos_yielding": 4.386170910578094, + "deflection": 0.015422460051406397, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1694": { + "node_id": "node_1694", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 349.93 kg\n Factor of Safety: 0.46\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.9342995281202, + "fos_buckling": 0.4575992821815734, + "fos_yielding": 4.900548503693658, + "deflection": 0.013814940725183203, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1693", + "improvement_over_parent": null + }, + "node_1695": { + "node_id": "node_1695", + "content": "MODIFICATION: Increase 4 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 352.02 kg\n Factor of Safety: 0.55\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.0190722175932, + "fos_buckling": 0.5487813502732646, + "fos_yielding": 6.442588114383092, + "deflection": 0.013469815881917062, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.342)" + }, + "parent_node_id": "node_1694", + "improvement_over_parent": null + }, + "node_1696": { + "node_id": "node_1696", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 390.22 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.21856551094106, + "fos_buckling": 0.5962361373085954, + "fos_yielding": 7.112842964289525, + "deflection": 0.012182620967094262, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.119)" + }, + "parent_node_id": "node_1695", + "improvement_over_parent": null + }, + "node_1697": { + "node_id": "node_1697", + "content": "MODIFICATION: Increase 0 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 399.15 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.15100416544874, + "fos_buckling": 0.5958988882831858, + "fos_yielding": 7.1088806880570266, + "deflection": 0.012188694379253911, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.185)" + }, + "parent_node_id": "node_1696", + "improvement_over_parent": null + }, + "node_1698": { + "node_id": "node_1698", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.28 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.28365705806937, + "fos_buckling": 0.5934886831136255, + "fos_yielding": 7.080561656292368, + "deflection": 0.011020838940699308, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1697", + "improvement_over_parent": null + }, + "node_1699": { + "node_id": "node_1699", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.68 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6788894914308, + "fos_buckling": 1.537761384355684, + "fos_yielding": 14.283954797902728, + "deflection": 0.005949564525197135, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1698", + "improvement_over_parent": null + }, + "node_1700": { + "node_id": "node_1700", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1699", + "improvement_over_parent": null + }, + "node_1701": { + "node_id": "node_1701", + "content": "INITIAL DESIGN (Trace 251)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1702": { + "node_id": "node_1702", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 318.35 kg\n Factor of Safety: 0.69\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.352319779796, + "fos_buckling": 0.6856629386695783, + "fos_yielding": 8.057494864234789, + "deflection": 0.011560944600587224, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005852)" + }, + "parent_node_id": "node_1701", + "improvement_over_parent": null + }, + "node_1703": { + "node_id": "node_1703", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 396.35 kg\n Factor of Safety: 0.83\n Max Deflection: 9.33e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.34800364516394, + "fos_buckling": 0.826993360544579, + "fos_yielding": 9.982641713502877, + "deflection": 0.00933074691987831, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_1702", + "improvement_over_parent": null + }, + "node_1704": { + "node_id": "node_1704", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.87 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.8748616175069, + "fos_buckling": 0.9973104429171169, + "fos_yielding": 12.484901682451088, + "deflection": 0.007459949183257623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.284)" + }, + "parent_node_id": "node_1703", + "improvement_over_parent": null + }, + "node_1705": { + "node_id": "node_1705", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.48 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4776260780098, + "fos_buckling": 1.5381152585383275, + "fos_yielding": 14.276248355390582, + "deflection": 0.005951874257977502, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1704", + "improvement_over_parent": null + }, + "node_1706": { + "node_id": "node_1706", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1705", + "improvement_over_parent": null + }, + "node_1707": { + "node_id": "node_1707", + "content": "INITIAL DESIGN (Trace 252)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 361.24 kg\n Factor of Safety: 0.83\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.23807616041387, + "fos_buckling": 0.8308097686658855, + "fos_yielding": 10.031744321044512, + "deflection": 0.011322960679968144, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1708": { + "node_id": "node_1708", + "content": "MODIFICATION: Increase 5 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 363.79 kg\n Factor of Safety: 0.83\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 363.78789302597977, + "fos_buckling": 0.8308097686658855, + "fos_yielding": 10.031744321044512, + "deflection": 0.011322960679968144, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.534)" + }, + "parent_node_id": "node_1707", + "improvement_over_parent": null + }, + "node_1709": { + "node_id": "node_1709", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 414.88 kg\n Factor of Safety: 0.84\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 414.8754778068018, + "fos_buckling": 0.8379561579655882, + "fos_yielding": 10.118034532085716, + "deflection": 0.011322960679968144, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007409)" + }, + "parent_node_id": "node_1708", + "improvement_over_parent": null + }, + "node_1710": { + "node_id": "node_1710", + "content": "MODIFICATION: Increase 7 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 424.80 kg\n Factor of Safety: 0.84\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.80435641974816, + "fos_buckling": 0.8382480521725741, + "fos_yielding": 10.121559054983388, + "deflection": 0.011322960679968137, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.259)" + }, + "parent_node_id": "node_1709", + "improvement_over_parent": null + }, + "node_1711": { + "node_id": "node_1711", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 435.13 kg\n Factor of Safety: 1.28\n Max Deflection: 7.43e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.13455932128454, + "fos_buckling": 1.278284875540289, + "fos_yielding": 11.33929226398311, + "deflection": 0.007425032079730424, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004902)" + }, + "parent_node_id": "node_1710", + "improvement_over_parent": null + }, + "node_1712": { + "node_id": "node_1712", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1158207259258, + "fos_buckling": 1.5373046214701103, + "fos_yielding": 14.265329843752426, + "deflection": 0.005955813654241237, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_1711", + "improvement_over_parent": null + }, + "node_1713": { + "node_id": "node_1713", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1712", + "improvement_over_parent": null + }, + "node_1714": { + "node_id": "node_1714", + "content": "INITIAL DESIGN (Trace 253)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 316.73 kg\n Factor of Safety: 0.49\n Max Deflection: 1.53e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.729877824608, + "fos_buckling": 0.4930484326157482, + "fos_yielding": 5.688899020408026, + "deflection": 0.015280905358615381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1715": { + "node_id": "node_1715", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 354.39 kg\n Factor of Safety: 0.54\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.3871690941385, + "fos_buckling": 0.5413330224843751, + "fos_yielding": 6.341356562072171, + "deflection": 0.013689007991789277, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_1714", + "improvement_over_parent": null + }, + "node_1716": { + "node_id": "node_1716", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 398.89 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.8932064131401, + "fos_buckling": 0.5956373878633435, + "fos_yielding": 7.106182545201418, + "deflection": 0.012195122505293903, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_1715", + "improvement_over_parent": null + }, + "node_1717": { + "node_id": "node_1717", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.29 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.28843884650155, + "fos_buckling": 0.9983280685147783, + "fos_yielding": 12.497573785748665, + "deflection": 0.0074549837317347, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1716", + "improvement_over_parent": null + }, + "node_1718": { + "node_id": "node_1718", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4210917391222, + "fos_buckling": 1.5377730719669926, + "fos_yielding": 14.274890238683128, + "deflection": 0.005952482389168056, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1717", + "improvement_over_parent": null + }, + "node_1719": { + "node_id": "node_1719", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1718", + "improvement_over_parent": null + }, + "node_1720": { + "node_id": "node_1720", + "content": "INITIAL DESIGN (Trace 254)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 320.04 kg\n Factor of Safety: 0.22\n Max Deflection: 3.63e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.04176400435995, + "fos_buckling": 0.22070807523224137, + "fos_yielding": 3.4737982288650353, + "deflection": 36265178964445.28, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1721": { + "node_id": "node_1721", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n\nPerformance:\n Mass: 326.72 kg\n Factor of Safety: 0.51\n Max Deflection: 1.52e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 326.7189440208706, + "fos_buckling": 0.5116079401101616, + "fos_yielding": 5.127103035684607, + "deflection": 0.015159401729243665, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003089)" + }, + "parent_node_id": "node_1720", + "improvement_over_parent": null + }, + "node_1722": { + "node_id": "node_1722", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 395.90 kg\n Factor of Safety: 0.86\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.90283160017884, + "fos_buckling": 0.8582394981190548, + "fos_yielding": 10.422892582648457, + "deflection": 0.009007305953552192, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008826)" + }, + "parent_node_id": "node_1721", + "improvement_over_parent": null + }, + "node_1723": { + "node_id": "node_1723", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 477.08 kg\n Factor of Safety: 1.00\n Max Deflection: 7.51e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.07552636014543, + "fos_buckling": 0.9983173184461482, + "fos_yielding": 12.495665063460757, + "deflection": 0.007511351054811167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.225)" + }, + "parent_node_id": "node_1722", + "improvement_over_parent": null + }, + "node_1724": { + "node_id": "node_1724", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 541.21 kg\n Factor of Safety: 1.21\n Max Deflection: 6.15e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.2081792527661, + "fos_buckling": 1.2080999701278516, + "fos_yielding": 9.513669102458048, + "deflection": 0.0061496587215641545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1723", + "improvement_over_parent": null + }, + "node_1725": { + "node_id": "node_1725", + "content": "MODIFICATION: Increase 5 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0090)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.59 kg\n Factor of Safety: 1.19\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.5921851119409, + "fos_buckling": 1.1910160128860936, + "fos_yielding": 9.379134610133354, + "deflection": 0.006107933434027395, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.658)" + }, + "parent_node_id": "node_1724", + "improvement_over_parent": null + }, + "node_1726": { + "node_id": "node_1726", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1725", + "improvement_over_parent": null + }, + "node_1727": { + "node_id": "node_1727", + "content": "INITIAL DESIGN (Trace 255)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 280.61 kg\n Factor of Safety: 0.66\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.61131454059057, + "fos_buckling": 0.6552529883949425, + "fos_yielding": 7.65713939933019, + "deflection": 0.012439214540279561, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1728": { + "node_id": "node_1728", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 319.43 kg\n Factor of Safety: 0.96\n Max Deflection: 9.95e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.4291135898957, + "fos_buckling": 0.9597212852011028, + "fos_yielding": 9.009518979601705, + "deflection": 0.009946386695426183, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005532)" + }, + "parent_node_id": "node_1727", + "improvement_over_parent": null + }, + "node_1729": { + "node_id": "node_1729", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 390.18 kg\n Factor of Safety: 1.14\n Max Deflection: 8.18e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.1827106251588, + "fos_buckling": 1.141278181331072, + "fos_yielding": 11.012648750479345, + "deflection": 0.00817825463130749, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_1728", + "improvement_over_parent": null + }, + "node_1730": { + "node_id": "node_1730", + "content": "MODIFICATION: Increase 8 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 403.73 kg\n Factor of Safety: 1.20\n Max Deflection: 7.99e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.73230171125834, + "fos_buckling": 1.2001851670517059, + "fos_yielding": 10.513580658371938, + "deflection": 0.007987365237210494, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.427)" + }, + "parent_node_id": "node_1729", + "improvement_over_parent": null + }, + "node_1731": { + "node_id": "node_1731", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 495.51 kg\n Factor of Safety: 1.42\n Max Deflection: 6.54e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.50776965094997, + "fos_buckling": 1.422483103750393, + "fos_yielding": 12.928929364493946, + "deflection": 0.006544159435074668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_1730", + "improvement_over_parent": null + }, + "node_1732": { + "node_id": "node_1732", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.90 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.9008154683994, + "fos_buckling": 1.5390605165231375, + "fos_yielding": 14.28565538774142, + "deflection": 0.005947548824356392, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_1731", + "improvement_over_parent": null + }, + "node_1733": { + "node_id": "node_1733", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1732", + "improvement_over_parent": null + }, + "node_1734": { + "node_id": "node_1734", + "content": "INITIAL DESIGN (Trace 256)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (6 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1735": { + "node_id": "node_1735", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 281.76 kg\n Factor of Safety: 0.53\n Max Deflection: 7.74e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 281.76047774152016, + "fos_buckling": 0.5285713928883908, + "fos_yielding": 6.763645730245061, + "deflection": 77370522322044.69, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008423)" + }, + "parent_node_id": "node_1734", + "improvement_over_parent": null + }, + "node_1736": { + "node_id": "node_1736", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 319.57 kg\n Factor of Safety: 0.42\n Max Deflection: 2.14e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.57161901136374, + "fos_buckling": 0.41679099562040345, + "fos_yielding": 4.631730971820047, + "deflection": 21381985458701.812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006757)" + }, + "parent_node_id": "node_1735", + "improvement_over_parent": null + }, + "node_1737": { + "node_id": "node_1737", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 385.82 kg\n Factor of Safety: 0.83\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.81646621982225, + "fos_buckling": 0.8276546918960469, + "fos_yielding": 9.990106804061258, + "deflection": 0.01132648490719411, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008423)" + }, + "parent_node_id": "node_1736", + "improvement_over_parent": null + }, + "node_1738": { + "node_id": "node_1738", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 485.63 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.62557142983667, + "fos_buckling": 0.9984745904777677, + "fos_yielding": 12.498536695937569, + "deflection": 0.00902405001885501, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.284)" + }, + "parent_node_id": "node_1737", + "improvement_over_parent": null + }, + "node_1739": { + "node_id": "node_1739", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.60 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.5950909393915, + "fos_buckling": 0.996844818575225, + "fos_yielding": 12.478135812305467, + "deflection": 0.007464071771536804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1738", + "improvement_over_parent": null + }, + "node_1740": { + "node_id": "node_1740", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1978553998945, + "fos_buckling": 1.5374876357614693, + "fos_yielding": 14.269503639347224, + "deflection": 0.005954899076449281, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1739", + "improvement_over_parent": null + }, + "node_1741": { + "node_id": "node_1741", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1740", + "improvement_over_parent": null + }, + "node_1742": { + "node_id": "node_1742", + "content": "INITIAL DESIGN (Trace 257)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n\nPerformance:\n Mass: 318.60 kg\n Factor of Safety: 0.42\n Max Deflection: 1.62e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.59834266360474, + "fos_buckling": 0.42460104661191156, + "fos_yielding": 5.658497980298577, + "deflection": 0.016181792202241127, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1743": { + "node_id": "node_1743", + "content": "MODIFICATION: Increase 2 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n\nPerformance:\n Mass: 324.30 kg\n Factor of Safety: 0.49\n Max Deflection: 1.56e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.3009635215917, + "fos_buckling": 0.49018549048687915, + "fos_yielding": 5.652413414547133, + "deflection": 0.015580022035881347, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.192)" + }, + "parent_node_id": "node_1742", + "improvement_over_parent": null + }, + "node_1744": { + "node_id": "node_1744", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 361.88 kg\n Factor of Safety: 0.49\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.8828616409741, + "fos_buckling": 0.48901626659633973, + "fos_yielding": 4.943486930845916, + "deflection": 0.014269259658269319, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006713)" + }, + "parent_node_id": "node_1743", + "improvement_over_parent": null + }, + "node_1745": { + "node_id": "node_1745", + "content": "MODIFICATION: Increase 4 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 364.21 kg\n Factor of Safety: 0.49\n Max Deflection: 1.39e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.20551438788345, + "fos_buckling": 0.4888721320521003, + "fos_yielding": 5.637450790748692, + "deflection": 0.013864767098309944, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.300)" + }, + "parent_node_id": "node_1744", + "improvement_over_parent": null + }, + "node_1746": { + "node_id": "node_1746", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 430.05 kg\n Factor of Safety: 1.17\n Max Deflection: 7.52e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.04761976198887, + "fos_buckling": 1.1697956077079588, + "fos_yielding": 11.776043521627033, + "deflection": 0.007516342147894008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008368)" + }, + "parent_node_id": "node_1745", + "improvement_over_parent": null + }, + "node_1747": { + "node_id": "node_1747", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0065)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.47 kg\n Factor of Safety: 1.42\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.4663106158872, + "fos_buckling": 1.4228515272370255, + "fos_yielding": 14.931635295666808, + "deflection": 0.005978273740809359, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.292)" + }, + "parent_node_id": "node_1746", + "improvement_over_parent": null + }, + "node_1748": { + "node_id": "node_1748", + "content": "MODIFICATION: Increase 5 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0065)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0067)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.56 kg\n Factor of Safety: 1.42\n Max Deflection: 5.95e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.5594988354551, + "fos_buckling": 1.42404726791816, + "fos_yielding": 14.818758279640486, + "deflection": 0.005954784610810923, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.245)" + }, + "parent_node_id": "node_1747", + "improvement_over_parent": null + }, + "node_1749": { + "node_id": "node_1749", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1748", + "improvement_over_parent": null + }, + "node_1750": { + "node_id": "node_1750", + "content": "INITIAL DESIGN (Trace 258)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 282.80 kg\n Factor of Safety: 0.15\n Max Deflection: 5.19e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.79758602104323, + "fos_buckling": 0.1535472332695858, + "fos_yielding": 1.6451710657165102, + "deflection": 51932672074784.836, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1751": { + "node_id": "node_1751", + "content": "MODIFICATION: Increase 8 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 296.96 kg\n Factor of Safety: 0.60\n Max Deflection: 1.02e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.9625048674903, + "fos_buckling": 0.59873374803371, + "fos_yielding": 5.406246078129938, + "deflection": 101802973534835.45, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.279)" + }, + "parent_node_id": "node_1750", + "improvement_over_parent": null + }, + "node_1752": { + "node_id": "node_1752", + "content": "MODIFICATION: Increase 0 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 314.48 kg\n Factor of Safety: 0.14\n Max Deflection: 3.23e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.4750753093189, + "fos_buckling": 0.13657556272982962, + "fos_yielding": 1.757130572226745, + "deflection": 322879156787783.56, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.562)" + }, + "parent_node_id": "node_1751", + "improvement_over_parent": null + }, + "node_1753": { + "node_id": "node_1753", + "content": "MODIFICATION: Increase 6 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 317.49 kg\n Factor of Safety: 0.14\n Max Deflection: 3.23e+14 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 317.49123824101883, + "fos_buckling": 0.13657556272982962, + "fos_yielding": 1.757130572226745, + "deflection": 322879156787783.56, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.656)" + }, + "parent_node_id": "node_1752", + "improvement_over_parent": null + }, + "node_1754": { + "node_id": "node_1754", + "content": "MODIFICATION: Increase 3 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 329.12 kg\n Factor of Safety: 0.22\n Max Deflection: 5.34e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.1242547070133, + "fos_buckling": 0.2219114121765099, + "fos_yielding": 1.8089464768574313, + "deflection": 53414107397465.77, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.453)" + }, + "parent_node_id": "node_1753", + "improvement_over_parent": null + }, + "node_1755": { + "node_id": "node_1755", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 397.98 kg\n Factor of Safety: 0.85\n Max Deflection: 8.99e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.98100539621066, + "fos_buckling": 0.8543964305081942, + "fos_yielding": 10.358357191603163, + "deflection": 0.008988245543345631, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008781)" + }, + "parent_node_id": "node_1754", + "improvement_over_parent": null + }, + "node_1756": { + "node_id": "node_1756", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 450.93 kg\n Factor of Safety: 1.32\n Max Deflection: 7.17e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.929955473619, + "fos_buckling": 1.3167436309571092, + "fos_yielding": 11.755748543847226, + "deflection": 0.007171815590399573, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007700)" + }, + "parent_node_id": "node_1755", + "improvement_over_parent": null + }, + "node_1757": { + "node_id": "node_1757", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1968633406781, + "fos_buckling": 1.5374600280099144, + "fos_yielding": 14.268466363869456, + "deflection": 0.0059549815926714595, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.232)" + }, + "parent_node_id": "node_1756", + "improvement_over_parent": null + }, + "node_1758": { + "node_id": "node_1758", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1757", + "improvement_over_parent": null + }, + "node_1759": { + "node_id": "node_1759", + "content": "INITIAL DESIGN (Trace 259)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1760": { + "node_id": "node_1760", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 333.67 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.6743006521232, + "fos_buckling": 0.8107644335846121, + "fos_yielding": 9.749927320355072, + "deflection": 0.011801711829792214, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006563)" + }, + "parent_node_id": "node_1759", + "improvement_over_parent": null + }, + "node_1761": { + "node_id": "node_1761", + "content": "MODIFICATION: Increase 4 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 335.79 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.7937919701732, + "fos_buckling": 0.8107644335846121, + "fos_yielding": 9.749927320355072, + "deflection": 0.011801711829792214, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.312)" + }, + "parent_node_id": "node_1760", + "improvement_over_parent": null + }, + "node_1762": { + "node_id": "node_1762", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0071)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 434.56 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.56495912395985, + "fos_buckling": 1.0018537959407887, + "fos_yielding": 12.54216751549972, + "deflection": 0.009184568459710867, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_1761", + "improvement_over_parent": null + }, + "node_1763": { + "node_id": "node_1763", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0071)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.17 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1677235844628, + "fos_buckling": 0.998848598610889, + "fos_yielding": 12.504545570579754, + "deflection": 0.007447122040250165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1762", + "improvement_over_parent": null + }, + "node_1764": { + "node_id": "node_1764", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0071)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.41\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.3003764770834, + "fos_buckling": 1.4062972831161347, + "fos_yielding": 11.370667778253662, + "deflection": 0.006019076851326106, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1763", + "improvement_over_parent": null + }, + "node_1765": { + "node_id": "node_1765", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1764", + "improvement_over_parent": null + }, + "node_1766": { + "node_id": "node_1766", + "content": "INITIAL DESIGN (Trace 260)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 333.26 kg\n Factor of Safety: 0.72\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.2583219136225, + "fos_buckling": 0.721139979104828, + "fos_yielding": 8.529576509344174, + "deflection": 0.011017020527624042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1767": { + "node_id": "node_1767", + "content": "MODIFICATION: Increase 5 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 335.29 kg\n Factor of Safety: 0.72\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.2876907278476, + "fos_buckling": 0.721139979104828, + "fos_yielding": 8.529576509344174, + "deflection": 0.011017020527624042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.479)" + }, + "parent_node_id": "node_1766", + "improvement_over_parent": null + }, + "node_1768": { + "node_id": "node_1768", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 396.48 kg\n Factor of Safety: 0.83\n Max Deflection: 9.35e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.4792263836732, + "fos_buckling": 0.8315584389119237, + "fos_yielding": 10.046916189393892, + "deflection": 0.009352051094785626, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.196)" + }, + "parent_node_id": "node_1767", + "improvement_over_parent": null + }, + "node_1769": { + "node_id": "node_1769", + "content": "MODIFICATION: Increase 3 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 398.97 kg\n Factor of Safety: 0.83\n Max Deflection: 9.27e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.96604555614647, + "fos_buckling": 0.8315584389119237, + "fos_yielding": 10.046916189393892, + "deflection": 0.009271037665532443, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.511)" + }, + "parent_node_id": "node_1768", + "improvement_over_parent": null + }, + "node_1770": { + "node_id": "node_1770", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 437.05 kg\n Factor of Safety: 1.28\n Max Deflection: 7.39e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.05302518310475, + "fos_buckling": 1.28300544117256, + "fos_yielding": 11.389758933980316, + "deflection": 0.007393251935047897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006810)" + }, + "parent_node_id": "node_1769", + "improvement_over_parent": null + }, + "node_1771": { + "node_id": "node_1771", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.13 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1311263860448, + "fos_buckling": 1.537359968088438, + "fos_yielding": 14.26572838464187, + "deflection": 0.005955616337438965, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.274)" + }, + "parent_node_id": "node_1770", + "improvement_over_parent": null + }, + "node_1772": { + "node_id": "node_1772", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1771", + "improvement_over_parent": null + }, + "node_1773": { + "node_id": "node_1773", + "content": "INITIAL DESIGN (Trace 261)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n\nPerformance:\n Mass: 281.52 kg\n Factor of Safety: 0.42\n Max Deflection: 1.88e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 281.5199335935287, + "fos_buckling": 0.41789562583556766, + "fos_yielding": 4.981081272297294, + "deflection": 0.01878455021419796, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1774": { + "node_id": "node_1774", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 332.47 kg\n Factor of Safety: 0.49\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 332.4727685275669, + "fos_buckling": 0.4926621832097491, + "fos_yielding": 5.463816272343956, + "deflection": 0.015127883457613858, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007388)" + }, + "parent_node_id": "node_1773", + "improvement_over_parent": null + }, + "node_1775": { + "node_id": "node_1775", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 398.73 kg\n Factor of Safety: 0.79\n Max Deflection: 8.64e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.73225350736914, + "fos_buckling": 0.791078167776857, + "fos_yielding": 9.429207684473408, + "deflection": 0.008637672855051064, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008425)" + }, + "parent_node_id": "node_1774", + "improvement_over_parent": null + }, + "node_1776": { + "node_id": "node_1776", + "content": "MODIFICATION: Increase 10 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0130)]\n\nPerformance:\n Mass: 430.86 kg\n Factor of Safety: 0.79\n Max Deflection: 8.19e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.8579156778531, + "fos_buckling": 0.7928952971916712, + "fos_yielding": 9.450866847043903, + "deflection": 0.008185429138838416, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.543)" + }, + "parent_node_id": "node_1775", + "improvement_over_parent": null + }, + "node_1777": { + "node_id": "node_1777", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0146)]\n\nPerformance:\n Mass: 480.49 kg\n Factor of Safety: 0.88\n Max Deflection: 7.35e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.4912368468869, + "fos_buckling": 0.8786629488527002, + "fos_yielding": 10.550417589629665, + "deflection": 0.007352398751748659, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.126)" + }, + "parent_node_id": "node_1776", + "improvement_over_parent": null + }, + "node_1778": { + "node_id": "node_1778", + "content": "MODIFICATION: Increase 10 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0211)]\n\nPerformance:\n Mass: 519.67 kg\n Factor of Safety: 0.88\n Max Deflection: 7.11e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.672534286198, + "fos_buckling": 0.8788206161480008, + "fos_yielding": 10.552310756751165, + "deflection": 0.007112631229406314, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.439)" + }, + "parent_node_id": "node_1777", + "improvement_over_parent": null + }, + "node_1779": { + "node_id": "node_1779", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0240)]\n\nPerformance:\n Mass: 583.42 kg\n Factor of Safety: 0.98\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 583.4153914379335, + "fos_buckling": 0.9818644541548242, + "fos_yielding": 11.898422987080899, + "deflection": 0.006334776140489142, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_1778", + "improvement_over_parent": null + }, + "node_1780": { + "node_id": "node_1780", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1779", + "improvement_over_parent": null + }, + "node_1781": { + "node_id": "node_1781", + "content": "INITIAL DESIGN (Trace 262)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 249.83 kg\n Factor of Safety: 0.63\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 249.8326356418963, + "fos_buckling": 0.6268518525337039, + "fos_yielding": 7.2880815773334415, + "deflection": 0.0157621796166986, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1782": { + "node_id": "node_1782", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n\nPerformance:\n Mass: 286.71 kg\n Factor of Safety: 0.63\n Max Deflection: 1.28e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 286.70731661232537, + "fos_buckling": 0.6253778964253452, + "fos_yielding": 7.27094465364771, + "deflection": 0.012811907542527886, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005241)" + }, + "parent_node_id": "node_1781", + "improvement_over_parent": null + }, + "node_1783": { + "node_id": "node_1783", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 329.21 kg\n Factor of Safety: 0.71\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.20697459184913, + "fos_buckling": 0.705941055839109, + "fos_yielding": 8.326463909912084, + "deflection": 0.0111873389848305, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.157)" + }, + "parent_node_id": "node_1782", + "improvement_over_parent": null + }, + "node_1784": { + "node_id": "node_1784", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 407.23 kg\n Factor of Safety: 0.85\n Max Deflection: 9.09e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.22717041730664, + "fos_buckling": 0.8458871067761256, + "fos_yielding": 10.249577470351012, + "deflection": 0.009087617548119351, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.255)" + }, + "parent_node_id": "node_1783", + "improvement_over_parent": null + }, + "node_1785": { + "node_id": "node_1785", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.826733403906, + "fos_buckling": 0.9972267111465916, + "fos_yielding": 12.483614567209829, + "deflection": 0.007460693154894721, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_1784", + "improvement_over_parent": null + }, + "node_1786": { + "node_id": "node_1786", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.429497864409, + "fos_buckling": 1.5380090976350098, + "fos_yielding": 14.274414459047616, + "deflection": 0.005952422325588348, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1785", + "improvement_over_parent": null + }, + "node_1787": { + "node_id": "node_1787", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1786", + "improvement_over_parent": null + }, + "node_1788": { + "node_id": "node_1788", + "content": "INITIAL DESIGN (Trace 263)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1789": { + "node_id": "node_1789", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 360.78 kg\n Factor of Safety: 0.86\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.77808984110874, + "fos_buckling": 0.862882288536248, + "fos_yielding": 10.485525974637337, + "deflection": 0.010966974003346326, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007112)" + }, + "parent_node_id": "node_1788", + "improvement_over_parent": null + }, + "node_1790": { + "node_id": "node_1790", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 414.20 kg\n Factor of Safety: 0.86\n Max Deflection: 8.91e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 414.1986267706003, + "fos_buckling": 0.8599665641090395, + "fos_yielding": 10.450094833423117, + "deflection": 0.00891323149909691, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007774)" + }, + "parent_node_id": "node_1789", + "improvement_over_parent": null + }, + "node_1791": { + "node_id": "node_1791", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0105)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 426.25 kg\n Factor of Safety: 0.86\n Max Deflection: 8.74e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 426.24673480462275, + "fos_buckling": 0.8593116923743779, + "fos_yielding": 10.442136998762379, + "deflection": 0.00874146618969134, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.190)" + }, + "parent_node_id": "node_1790", + "improvement_over_parent": null + }, + "node_1792": { + "node_id": "node_1792", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0129)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 511.33 kg\n Factor of Safety: 1.00\n Max Deflection: 7.32e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 511.32583754560324, + "fos_buckling": 0.9960190658631224, + "fos_yielding": 12.467574848664952, + "deflection": 0.00732384035268325, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.220)" + }, + "parent_node_id": "node_1791", + "improvement_over_parent": null + }, + "node_1793": { + "node_id": "node_1793", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0129)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 558.93 kg\n Factor of Safety: 1.51\n Max Deflection: 5.82e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 558.9286020061062, + "fos_buckling": 1.514279391474969, + "fos_yielding": 14.76581086638285, + "deflection": 0.005824978265431323, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1792", + "improvement_over_parent": null + }, + "node_1794": { + "node_id": "node_1794", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1793", + "improvement_over_parent": null + }, + "node_1795": { + "node_id": "node_1795", + "content": "INITIAL DESIGN (Trace 264)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 466.75 kg\n Factor of Safety: 1.21\n Max Deflection: 7.00e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.75128106269165, + "fos_buckling": 1.2094058221282749, + "fos_yielding": 9.516761278457157, + "deflection": 0.007003719926332831, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1796": { + "node_id": "node_1796", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 531.90 kg\n Factor of Safety: 1.36\n Max Deflection: 6.17e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.8997536493193, + "fos_buckling": 1.3634014099999716, + "fos_yielding": 10.892408232537392, + "deflection": 0.006168117621736353, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.153)" + }, + "parent_node_id": "node_1795", + "improvement_over_parent": null + }, + "node_1797": { + "node_id": "node_1797", + "content": "MODIFICATION: Increase 5 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 535.66 kg\n Factor of Safety: 1.44\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.6649101125867, + "fos_buckling": 1.4396959346947715, + "fos_yielding": 14.694458098555838, + "deflection": 0.006041421174835101, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.449)" + }, + "parent_node_id": "node_1796", + "improvement_over_parent": null + }, + "node_1798": { + "node_id": "node_1798", + "content": "MODIFICATION: Increase 3 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.07 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0675012943034, + "fos_buckling": 1.5371908372907357, + "fos_yielding": 14.263297071073554, + "deflection": 0.00595633259334377, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.307)" + }, + "parent_node_id": "node_1797", + "improvement_over_parent": null + }, + "node_1799": { + "node_id": "node_1799", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1798", + "improvement_over_parent": null + }, + "node_1800": { + "node_id": "node_1800", + "content": "INITIAL DESIGN (Trace 265)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 427.98 kg\n Factor of Safety: 0.85\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.97744485242436, + "fos_buckling": 0.8474199290646152, + "fos_yielding": 10.251538576466347, + "deflection": 0.011173718253630472, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1801": { + "node_id": "node_1801", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 530.53 kg\n Factor of Safety: 1.01\n Max Deflection: 9.04e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.5292193623491, + "fos_buckling": 1.0116021768705676, + "fos_yielding": 12.664485301273816, + "deflection": 0.009043836939636125, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_1800", + "improvement_over_parent": null + }, + "node_1802": { + "node_id": "node_1802", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 543.50 kg\n Factor of Safety: 1.27\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.4987388719039, + "fos_buckling": 1.271126960787931, + "fos_yielding": 13.583388423874004, + "deflection": 0.006010074659215336, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1801", + "improvement_over_parent": null + }, + "node_1803": { + "node_id": "node_1803", + "content": "MODIFICATION: Increase 6 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0166)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 581.64 kg\n Factor of Safety: 1.26\n Max Deflection: 5.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 581.6406853081646, + "fos_buckling": 1.2591863544738195, + "fos_yielding": 13.455789923814972, + "deflection": 0.005672609642758897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.531)" + }, + "parent_node_id": "node_1802", + "improvement_over_parent": null + }, + "node_1804": { + "node_id": "node_1804", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1803", + "improvement_over_parent": null + }, + "node_1805": { + "node_id": "node_1805", + "content": "INITIAL DESIGN (Trace 266)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 319.18 kg\n Factor of Safety: 0.38\n Max Deflection: 4.45e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.17527040947044, + "fos_buckling": 0.3809408194120706, + "fos_yielding": 4.531065067834313, + "deflection": 0.044452600983428424, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1806": { + "node_id": "node_1806", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 407.33 kg\n Factor of Safety: 0.47\n Max Deflection: 3.49e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.3340048629409, + "fos_buckling": 0.46878004931679673, + "fos_yielding": 5.7695762526313725, + "deflection": 0.03491029820405401, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.300)" + }, + "parent_node_id": "node_1805", + "improvement_over_parent": null + }, + "node_1807": { + "node_id": "node_1807", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 482.85 kg\n Factor of Safety: 0.93\n Max Deflection: 9.98e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.8481897394825, + "fos_buckling": 0.9330438304742625, + "fos_yielding": 11.483283031254093, + "deflection": 0.009979819236664049, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009704)" + }, + "parent_node_id": "node_1806", + "improvement_over_parent": null + }, + "node_1808": { + "node_id": "node_1808", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.37 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.3739356922518, + "fos_buckling": 1.011759785793533, + "fos_yielding": 12.664805540373353, + "deflection": 0.009048788405035467, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_1807", + "improvement_over_parent": null + }, + "node_1809": { + "node_id": "node_1809", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.34 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3434552018067, + "fos_buckling": 1.5378215841459655, + "fos_yielding": 14.270736589118657, + "deflection": 0.005953356561485682, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1808", + "improvement_over_parent": null + }, + "node_1810": { + "node_id": "node_1810", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1809", + "improvement_over_parent": null + }, + "node_1811": { + "node_id": "node_1811", + "content": "INITIAL DESIGN (Trace 267)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 408.62 kg\n Factor of Safety: 0.43\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.6203885170169, + "fos_buckling": 0.43343585942600893, + "fos_yielding": 5.690078462480907, + "deflection": 0.014051893148559296, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1812": { + "node_id": "node_1812", + "content": "MODIFICATION: Increase 6 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 410.56 kg\n Factor of Safety: 0.43\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.5609860767093, + "fos_buckling": 0.4334358594260088, + "fos_yielding": 6.659277148787336, + "deflection": 0.013801921362244623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.277)" + }, + "parent_node_id": "node_1811", + "improvement_over_parent": null + }, + "node_1813": { + "node_id": "node_1813", + "content": "MODIFICATION: Increase 3 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 425.32 kg\n Factor of Safety: 0.59\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 425.3227105628277, + "fos_buckling": 0.5944300181600772, + "fos_yielding": 7.014271902581055, + "deflection": 0.012602083795586617, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.493)" + }, + "parent_node_id": "node_1812", + "improvement_over_parent": null + }, + "node_1814": { + "node_id": "node_1814", + "content": "MODIFICATION: Increase 8 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 441.13 kg\n Factor of Safety: 0.59\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.1255347714745, + "fos_buckling": 0.5938368187881423, + "fos_yielding": 7.007272152299148, + "deflection": 0.012519816924350679, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.359)" + }, + "parent_node_id": "node_1813", + "improvement_over_parent": null + }, + "node_1815": { + "node_id": "node_1815", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 524.52 kg\n Factor of Safety: 1.45\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.5207672048359, + "fos_buckling": 1.4541685732949796, + "fos_yielding": 15.171587727957005, + "deflection": 0.006138543603426219, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1814", + "improvement_over_parent": null + }, + "node_1816": { + "node_id": "node_1816", + "content": "MODIFICATION: Increase 4 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 526.13 kg\n Factor of Safety: 1.45\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.1297705621982, + "fos_buckling": 1.4535055950353073, + "fos_yielding": 15.039944820601708, + "deflection": 0.006112993997382111, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.220)" + }, + "parent_node_id": "node_1815", + "improvement_over_parent": null + }, + "node_1817": { + "node_id": "node_1817", + "content": "MODIFICATION: Increase 9 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2743274070273, + "fos_buckling": 1.5376356879735806, + "fos_yielding": 14.269933124065966, + "deflection": 0.005954102156070588, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.502)" + }, + "parent_node_id": "node_1816", + "improvement_over_parent": null + }, + "node_1818": { + "node_id": "node_1818", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1817", + "improvement_over_parent": null + }, + "node_1819": { + "node_id": "node_1819", + "content": "INITIAL DESIGN (Trace 268)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 276.68 kg\n Factor of Safety: 0.39\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.67904920127023, + "fos_buckling": 0.3920138905482951, + "fos_yielding": 4.395259843208262, + "deflection": 0.018152148269185365, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1820": { + "node_id": "node_1820", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 349.14 kg\n Factor of Safety: 0.48\n Max Deflection: 1.44e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.1359754808212, + "fos_buckling": 0.47904612207664937, + "fos_yielding": 5.506345016081585, + "deflection": 0.01444890719884129, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_1819", + "improvement_over_parent": null + }, + "node_1821": { + "node_id": "node_1821", + "content": "MODIFICATION: Increase 0 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 356.48 kg\n Factor of Safety: 0.48\n Max Deflection: 1.42e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 356.4780274272151, + "fos_buckling": 0.47882282029627293, + "fos_yielding": 5.503808403531413, + "deflection": 0.014231504046048856, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.195)" + }, + "parent_node_id": "node_1820", + "improvement_over_parent": null + }, + "node_1822": { + "node_id": "node_1822", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 397.35 kg\n Factor of Safety: 0.52\n Max Deflection: 1.28e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.3537708133442, + "fos_buckling": 0.5242247153499237, + "fos_yielding": 6.111227303932742, + "deflection": 0.012798952758963969, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_1821", + "improvement_over_parent": null + }, + "node_1823": { + "node_id": "node_1823", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.83 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8272440899747, + "fos_buckling": 0.5929915351801033, + "fos_yielding": 7.07446175905281, + "deflection": 0.011031597892950782, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.181)" + }, + "parent_node_id": "node_1822", + "improvement_over_parent": null + }, + "node_1824": { + "node_id": "node_1824", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2224765233361, + "fos_buckling": 1.5375013884276538, + "fos_yielding": 14.268575198493567, + "deflection": 0.005954588049889243, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1823", + "improvement_over_parent": null + }, + "node_1825": { + "node_id": "node_1825", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1824", + "improvement_over_parent": null + }, + "node_1826": { + "node_id": "node_1826", + "content": "INITIAL DESIGN (Trace 269)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 437.25 kg\n Factor of Safety: 0.49\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.252921758198, + "fos_buckling": 0.4904360272488768, + "fos_yielding": 7.095208585947162, + "deflection": 0.011704523519426687, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1827": { + "node_id": "node_1827", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 492.24 kg\n Factor of Safety: 1.15\n Max Deflection: 6.79e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 492.2382024286134, + "fos_buckling": 1.1515981852717845, + "fos_yielding": 12.99933390197322, + "deflection": 0.006789658703908137, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006905)" + }, + "parent_node_id": "node_1826", + "improvement_over_parent": null + }, + "node_1828": { + "node_id": "node_1828", + "content": "MODIFICATION: Increase 1 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 508.19 kg\n Factor of Safety: 1.15\n Max Deflection: 6.54e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 508.1918023136122, + "fos_buckling": 1.1528776977000936, + "fos_yielding": 13.520809262018425, + "deflection": 0.006542635368494711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.381)" + }, + "parent_node_id": "node_1827", + "improvement_over_parent": null + }, + "node_1829": { + "node_id": "node_1829", + "content": "MODIFICATION: Increase 3 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 517.86 kg\n Factor of Safety: 1.19\n Max Deflection: 6.43e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.8605774110905, + "fos_buckling": 1.1918670685125612, + "fos_yielding": 13.16254726952182, + "deflection": 0.006433472907057004, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.280)" + }, + "parent_node_id": "node_1828", + "improvement_over_parent": null + }, + "node_1830": { + "node_id": "node_1830", + "content": "MODIFICATION: Increase 10 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2925011000109, + "fos_buckling": 1.537714109648298, + "fos_yielding": 14.271962107376794, + "deflection": 0.0059537119421120615, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.567)" + }, + "parent_node_id": "node_1829", + "improvement_over_parent": null + }, + "node_1831": { + "node_id": "node_1831", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1830", + "improvement_over_parent": null + }, + "node_1832": { + "node_id": "node_1832", + "content": "INITIAL DESIGN (Trace 270)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0021)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0036)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0032)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0032)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0036)]\n\nPerformance:\n Mass: 195.27 kg\n Factor of Safety: 0.63\n Max Deflection: 1.63e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 195.27303359414793, + "fos_buckling": 0.626563126906032, + "fos_yielding": 5.062758906983935, + "deflection": 0.016305419065729118, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1833": { + "node_id": "node_1833", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0034)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0034)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0042)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0037)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0042)]\n\nPerformance:\n Mass: 223.03 kg\n Factor of Safety: 0.71\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 223.0263940503802, + "fos_buckling": 0.7085324397489191, + "fos_yielding": 5.785732038967785, + "deflection": 0.014300680733277624, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_1832", + "improvement_over_parent": null + }, + "node_1834": { + "node_id": "node_1834", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 274.77 kg\n Factor of Safety: 0.86\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 274.76666131147914, + "fos_buckling": 0.8567201768015624, + "fos_yielding": 7.135850907974874, + "deflection": 0.01164455259597952, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_1833", + "improvement_over_parent": null + }, + "node_1835": { + "node_id": "node_1835", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 356.32 kg\n Factor of Safety: 1.08\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 356.31679350083874, + "fos_buckling": 1.078177664092825, + "fos_yielding": 9.269901961656862, + "deflection": 0.009024168256106295, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_1834", + "improvement_over_parent": null + }, + "node_1836": { + "node_id": "node_1836", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 462.31 kg\n Factor of Safety: 1.34\n Max Deflection: 7.00e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.307180523754, + "fos_buckling": 1.3441835643187436, + "fos_yielding": 12.054674535710276, + "deflection": 0.007000029866808784, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_1835", + "improvement_over_parent": null + }, + "node_1837": { + "node_id": "node_1837", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.07 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0707631478862, + "fos_buckling": 1.53724178030521, + "fos_yielding": 14.2644356022717, + "deflection": 0.005956232169449773, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.199)" + }, + "parent_node_id": "node_1836", + "improvement_over_parent": null + }, + "node_1838": { + "node_id": "node_1838", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1837", + "improvement_over_parent": null + }, + "node_1839": { + "node_id": "node_1839", + "content": "INITIAL DESIGN (Trace 271)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 376.87 kg\n Factor of Safety: 1.05\n Max Deflection: 8.43e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.8667763046525, + "fos_buckling": 1.054868521041896, + "fos_yielding": 10.926141463418693, + "deflection": 0.008427878730467287, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1840": { + "node_id": "node_1840", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 460.88 kg\n Factor of Safety: 1.25\n Max Deflection: 6.93e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.87560591002136, + "fos_buckling": 1.2549980894659258, + "fos_yielding": 13.24324690916158, + "deflection": 0.006927551605590268, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_1839", + "improvement_over_parent": null + }, + "node_1841": { + "node_id": "node_1841", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 509.79 kg\n Factor of Safety: 1.37\n Max Deflection: 6.28e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 509.79346677583356, + "fos_buckling": 1.3659832417951177, + "fos_yielding": 14.575287779291894, + "deflection": 0.006281727234155213, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_1840", + "improvement_over_parent": null + }, + "node_1842": { + "node_id": "node_1842", + "content": "MODIFICATION: Increase 8 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 528.90 kg\n Factor of Safety: 1.37\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.9031093580111, + "fos_buckling": 1.371867279526715, + "fos_yielding": 14.638071524083333, + "deflection": 0.006131292011298555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.466)" + }, + "parent_node_id": "node_1841", + "improvement_over_parent": null + }, + "node_1843": { + "node_id": "node_1843", + "content": "MODIFICATION: Increase 3 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.81 kg\n Factor of Safety: 1.26\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.8050735516192, + "fos_buckling": 1.258374333027537, + "fos_yielding": 13.427081297020644, + "deflection": 0.006018492281180619, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.453)" + }, + "parent_node_id": "node_1842", + "improvement_over_parent": null + }, + "node_1844": { + "node_id": "node_1844", + "content": "MODIFICATION: Increase 6 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.02 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.021140221933, + "fos_buckling": 1.53712086165184, + "fos_yielding": 14.26591516569614, + "deflection": 0.005956610487965197, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.550)" + }, + "parent_node_id": "node_1843", + "improvement_over_parent": null + }, + "node_1845": { + "node_id": "node_1845", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1844", + "improvement_over_parent": null + }, + "node_1846": { + "node_id": "node_1846", + "content": "INITIAL DESIGN (Trace 272)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 372.25 kg\n Factor of Safety: 0.81\n Max Deflection: 9.83e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.24660521433333, + "fos_buckling": 0.8051300505379119, + "fos_yielding": 9.675638357622738, + "deflection": 0.009826208464478854, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1847": { + "node_id": "node_1847", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 408.86 kg\n Factor of Safety: 1.07\n Max Deflection: 7.85e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.86220549872905, + "fos_buckling": 1.0659825811528467, + "fos_yielding": 11.458656002408501, + "deflection": 0.007854346613160475, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006528)" + }, + "parent_node_id": "node_1846", + "improvement_over_parent": null + }, + "node_1848": { + "node_id": "node_1848", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 532.04 kg\n Factor of Safety: 1.34\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.0363394917212, + "fos_buckling": 1.3446313001479353, + "fos_yielding": 14.938688081182843, + "deflection": 0.006080675095306973, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_1847", + "improvement_over_parent": null + }, + "node_1849": { + "node_id": "node_1849", + "content": "MODIFICATION: Increase 2 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5063998630163, + "fos_buckling": 1.5381751502225192, + "fos_yielding": 14.2767656157667, + "deflection": 0.005951587982849215, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.479)" + }, + "parent_node_id": "node_1848", + "improvement_over_parent": null + }, + "node_1850": { + "node_id": "node_1850", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1849", + "improvement_over_parent": null + }, + "node_1851": { + "node_id": "node_1851", + "content": "INITIAL DESIGN (Trace 273)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 339.02 kg\n Factor of Safety: 0.91\n Max Deflection: 9.43e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.0239515399045, + "fos_buckling": 0.9122713686008156, + "fos_yielding": 9.444624048692923, + "deflection": 0.009431585920119766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1852": { + "node_id": "node_1852", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 436.52 kg\n Factor of Safety: 1.15\n Max Deflection: 7.37e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.5174548154454, + "fos_buckling": 1.1456841762977092, + "fos_yielding": 12.179874513411336, + "deflection": 0.007368327889844824, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_1851", + "improvement_over_parent": null + }, + "node_1853": { + "node_id": "node_1853", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 481.57 kg\n Factor of Safety: 1.25\n Max Deflection: 6.70e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.5744568490652, + "fos_buckling": 1.2492608670659058, + "fos_yielding": 13.44652266100199, + "deflection": 0.006697046219706368, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_1852", + "improvement_over_parent": null + }, + "node_1854": { + "node_id": "node_1854", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.51 kg\n Factor of Safety: 1.36\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.5105490978954, + "fos_buckling": 1.363099279811989, + "fos_yielding": 14.880237971611441, + "deflection": 0.006074975920194146, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.116)" + }, + "parent_node_id": "node_1853", + "improvement_over_parent": null + }, + "node_1855": { + "node_id": "node_1855", + "content": "MODIFICATION: Increase 2 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.21 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2073642522557, + "fos_buckling": 1.5374833826004264, + "fos_yielding": 14.26660801323224, + "deflection": 0.005954883190304132, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.443)" + }, + "parent_node_id": "node_1854", + "improvement_over_parent": null + }, + "node_1856": { + "node_id": "node_1856", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1855", + "improvement_over_parent": null + }, + "node_1857": { + "node_id": "node_1857", + "content": "INITIAL DESIGN (Trace 274)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 321.51 kg\n Factor of Safety: 0.77\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.51147919354923, + "fos_buckling": 0.7663504525794779, + "fos_yielding": 5.800174993836987, + "deflection": 0.01019729538619098, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1858": { + "node_id": "node_1858", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 376.59 kg\n Factor of Safety: 0.89\n Max Deflection: 8.73e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.58965361531483, + "fos_buckling": 0.8913514912616322, + "fos_yielding": 6.820959421811132, + "deflection": 0.00873180458407277, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_1857", + "improvement_over_parent": null + }, + "node_1859": { + "node_id": "node_1859", + "content": "MODIFICATION: Increase 5 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 379.74 kg\n Factor of Safety: 1.14\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.73897294668734, + "fos_buckling": 1.1390779711839625, + "fos_yielding": 9.885722535530538, + "deflection": 0.00847955415918565, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.570)" + }, + "parent_node_id": "node_1858", + "improvement_over_parent": null + }, + "node_1860": { + "node_id": "node_1860", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 476.57 kg\n Factor of Safety: 1.38\n Max Deflection: 6.80e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.5734449708772, + "fos_buckling": 1.3781365819550022, + "fos_yielding": 12.4323440142164, + "deflection": 0.006796289049786473, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_1859", + "improvement_over_parent": null + }, + "node_1861": { + "node_id": "node_1861", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9834380033285, + "fos_buckling": 1.5370584908565088, + "fos_yielding": 14.2642456204678, + "deflection": 0.005957118517734671, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_1860", + "improvement_over_parent": null + }, + "node_1862": { + "node_id": "node_1862", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1861", + "improvement_over_parent": null + }, + "node_1863": { + "node_id": "node_1863", + "content": "INITIAL DESIGN (Trace 275)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 379.46 kg\n Factor of Safety: 0.90\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.45787764913393, + "fos_buckling": 0.9024682117923323, + "fos_yielding": 11.055828570979232, + "deflection": 0.010413214153694757, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1864": { + "node_id": "node_1864", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 435.84 kg\n Factor of Safety: 0.90\n Max Deflection: 8.49e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.8381405202734, + "fos_buckling": 0.8992533455249614, + "fos_yielding": 11.016444346841203, + "deflection": 0.00848547812644962, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008241)" + }, + "parent_node_id": "node_1863", + "improvement_over_parent": null + }, + "node_1865": { + "node_id": "node_1865", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 477.69 kg\n Factor of Safety: 1.26\n Max Deflection: 6.86e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.68643801922184, + "fos_buckling": 1.261099257892217, + "fos_yielding": 10.027395301072877, + "deflection": 0.006855601787531562, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007539)" + }, + "parent_node_id": "node_1864", + "improvement_over_parent": null + }, + "node_1866": { + "node_id": "node_1866", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 543.37 kg\n Factor of Safety: 1.42\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.3677149649626, + "fos_buckling": 1.4165830812584561, + "fos_yielding": 11.451165600493518, + "deflection": 0.0060492154214417514, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.151)" + }, + "parent_node_id": "node_1865", + "improvement_over_parent": null + }, + "node_1867": { + "node_id": "node_1867", + "content": "MODIFICATION: Increase 5 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0071)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.03 kg\n Factor of Safety: 1.40\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.0323683069549, + "fos_buckling": 1.4041661230416156, + "fos_yielding": 11.350791223108512, + "deflection": 0.006022624646352964, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.314)" + }, + "parent_node_id": "node_1866", + "improvement_over_parent": null + }, + "node_1868": { + "node_id": "node_1868", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1867", + "improvement_over_parent": null + }, + "node_1869": { + "node_id": "node_1869", + "content": "INITIAL DESIGN (Trace 276)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 268.90 kg\n Factor of Safety: 0.06\n Max Deflection: 9.76e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.9020190808712, + "fos_buckling": 0.057009364050552416, + "fos_yielding": 0.4522366192143578, + "deflection": 97592765306413.36, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1870": { + "node_id": "node_1870", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 339.28 kg\n Factor of Safety: 0.01\n Max Deflection: 5.75e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.2759180769833, + "fos_buckling": 0.014937189409428304, + "fos_yielding": 0.16437413190825925, + "deflection": 575009117927469.8, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008990)" + }, + "parent_node_id": "node_1869", + "improvement_over_parent": null + }, + "node_1871": { + "node_id": "node_1871", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 379.44 kg\n Factor of Safety: 0.52\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.43943902876595, + "fos_buckling": 0.5172271608238498, + "fos_yielding": 5.136585310235502, + "deflection": 0.013405074888873554, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007211)" + }, + "parent_node_id": "node_1870", + "improvement_over_parent": null + }, + "node_1872": { + "node_id": "node_1872", + "content": "MODIFICATION: Increase 5 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 381.54 kg\n Factor of Safety: 0.52\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.5355490708381, + "fos_buckling": 0.51722716082385, + "fos_yielding": 5.136585310235505, + "deflection": 0.0131645972042253, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.285)" + }, + "parent_node_id": "node_1871", + "improvement_over_parent": null + }, + "node_1873": { + "node_id": "node_1873", + "content": "MODIFICATION: Increase 4 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 383.17 kg\n Factor of Safety: 0.52\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.1729685782234, + "fos_buckling": 0.5171197900443726, + "fos_yielding": 6.0364356467865505, + "deflection": 0.012881608883237503, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.203)" + }, + "parent_node_id": "node_1872", + "improvement_over_parent": null + }, + "node_1874": { + "node_id": "node_1874", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 453.55 kg\n Factor of Safety: 1.32\n Max Deflection: 7.21e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.54686757433547, + "fos_buckling": 1.3225710764726024, + "fos_yielding": 11.088035555866844, + "deflection": 0.0072071019227201594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008990)" + }, + "parent_node_id": "node_1873", + "improvement_over_parent": null + }, + "node_1875": { + "node_id": "node_1875", + "content": "MODIFICATION: Increase 1 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0058)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 461.12 kg\n Factor of Safety: 1.32\n Max Deflection: 7.04e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.11666055321916, + "fos_buckling": 1.324351329517649, + "fos_yielding": 11.378276241187203, + "deflection": 0.007041822525260625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.183)" + }, + "parent_node_id": "node_1874", + "improvement_over_parent": null + }, + "node_1876": { + "node_id": "node_1876", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0059)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0070)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.52\n Max Deflection: 5.97e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3213330431827, + "fos_buckling": 1.5186953099160814, + "fos_yielding": 13.518605897379144, + "deflection": 0.005973366505569439, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_1875", + "improvement_over_parent": null + }, + "node_1877": { + "node_id": "node_1877", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1876", + "improvement_over_parent": null + }, + "node_1878": { + "node_id": "node_1878", + "content": "INITIAL DESIGN (Trace 277)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 324.42 kg\n Factor of Safety: 0.70\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.41577528622446, + "fos_buckling": 0.6970170223705623, + "fos_yielding": 8.207813965331669, + "deflection": 0.011349151537402584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1879": { + "node_id": "node_1879", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 388.28 kg\n Factor of Safety: 0.81\n Max Deflection: 9.52e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.2794081398034, + "fos_buckling": 0.8128458268395657, + "fos_yielding": 9.784334392407892, + "deflection": 0.00951993200742562, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.211)" + }, + "parent_node_id": "node_1878", + "improvement_over_parent": null + }, + "node_1880": { + "node_id": "node_1880", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 425.32 kg\n Factor of Safety: 1.25\n Max Deflection: 7.59e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 425.31857428084083, + "fos_buckling": 1.2540932100191373, + "fos_yielding": 11.082790890117733, + "deflection": 0.007591668492785694, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006609)" + }, + "parent_node_id": "node_1879", + "improvement_over_parent": null + }, + "node_1881": { + "node_id": "node_1881", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.21 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2113755830909, + "fos_buckling": 1.5375068710770412, + "fos_yielding": 14.269907207243218, + "deflection": 0.005954637311620268, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.312)" + }, + "parent_node_id": "node_1880", + "improvement_over_parent": null + }, + "node_1882": { + "node_id": "node_1882", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1881", + "improvement_over_parent": null + }, + "node_1883": { + "node_id": "node_1883", + "content": "INITIAL DESIGN (Trace 278)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 461.61 kg\n Factor of Safety: 1.00\n Max Deflection: 7.73e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.6108543811486, + "fos_buckling": 0.9994958402677858, + "fos_yielding": 12.51136167649929, + "deflection": 0.007728234710499901, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1884": { + "node_id": "node_1884", + "content": "MODIFICATION: Increase 5 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 464.26 kg\n Factor of Safety: 1.00\n Max Deflection: 7.70e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 464.2598996391311, + "fos_buckling": 0.9991618944900844, + "fos_yielding": 12.507181452593564, + "deflection": 0.007701922347397884, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.282)" + }, + "parent_node_id": "node_1883", + "improvement_over_parent": null + }, + "node_1885": { + "node_id": "node_1885", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 528.39 kg\n Factor of Safety: 1.33\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.3925525317517, + "fos_buckling": 1.3262754204691531, + "fos_yielding": 13.628958261197893, + "deflection": 0.006218744620543641, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1884", + "improvement_over_parent": null + }, + "node_1886": { + "node_id": "node_1886", + "content": "MODIFICATION: Increase 10 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0123)]\n\nPerformance:\n Mass: 545.30 kg\n Factor of Safety: 1.32\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.3037442451773, + "fos_buckling": 1.3226091449746982, + "fos_yielding": 13.285719853667073, + "deflection": 0.006136008820682695, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.299)" + }, + "parent_node_id": "node_1885", + "improvement_over_parent": null + }, + "node_1887": { + "node_id": "node_1887", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1886", + "improvement_over_parent": null + }, + "node_1888": { + "node_id": "node_1888", + "content": "INITIAL DESIGN (Trace 279)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 350.89 kg\n Factor of Safety: 0.31\n Max Deflection: 2.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.88561885052115, + "fos_buckling": 0.30609048686107654, + "fos_yielding": 2.3512465343760725, + "deflection": 0.021474295063917116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1889": { + "node_id": "node_1889", + "content": "MODIFICATION: Increase 5 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 352.88 kg\n Factor of Safety: 0.39\n Max Deflection: 2.00e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.8838794505157, + "fos_buckling": 0.3949236291222027, + "fos_yielding": 3.1126328218415074, + "deflection": 0.02000795321177066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.342)" + }, + "parent_node_id": "node_1888", + "improvement_over_parent": null + }, + "node_1890": { + "node_id": "node_1890", + "content": "MODIFICATION: Increase 5 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 357.69 kg\n Factor of Safety: 0.59\n Max Deflection: 1.83e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 357.6884715761398, + "fos_buckling": 0.5878225097133254, + "fos_yielding": 4.942497146285954, + "deflection": 0.018336407428501802, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.645)" + }, + "parent_node_id": "node_1889", + "improvement_over_parent": null + }, + "node_1891": { + "node_id": "node_1891", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 441.08 kg\n Factor of Safety: 0.59\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.0837040095013, + "fos_buckling": 0.5938709029731012, + "fos_yielding": 7.084962535791537, + "deflection": 0.011162308654740886, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1890", + "improvement_over_parent": null + }, + "node_1892": { + "node_id": "node_1892", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 524.48 kg\n Factor of Safety: 1.44\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.4789364428627, + "fos_buckling": 1.4447209744915965, + "fos_yielding": 15.131806123836819, + "deflection": 0.006130625645023173, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1891", + "improvement_over_parent": null + }, + "node_1893": { + "node_id": "node_1893", + "content": "MODIFICATION: Increase 9 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0169)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 564.89 kg\n Factor of Safety: 1.55\n Max Deflection: 5.73e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 564.8938181722183, + "fos_buckling": 1.547703848658097, + "fos_yielding": 16.115416967050027, + "deflection": 0.005731939584321247, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.565)" + }, + "parent_node_id": "node_1892", + "improvement_over_parent": null + }, + "node_1894": { + "node_id": "node_1894", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1893", + "improvement_over_parent": null + }, + "node_1895": { + "node_id": "node_1895", + "content": "INITIAL DESIGN (Trace 280)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 312.18 kg\n Factor of Safety: 0.49\n Max Deflection: 1.64e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.17940497299656, + "fos_buckling": 0.4937514759602403, + "fos_yielding": 5.933739052807126, + "deflection": 0.016353093151964333, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1896": { + "node_id": "node_1896", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 373.42 kg\n Factor of Safety: 0.58\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.42460678849005, + "fos_buckling": 0.5832120855576487, + "fos_yielding": 7.106898547713637, + "deflection": 0.013682602994727601, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_1895", + "improvement_over_parent": null + }, + "node_1897": { + "node_id": "node_1897", + "content": "MODIFICATION: Increase 6 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 395.98 kg\n Factor of Safety: 0.81\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.98307728661524, + "fos_buckling": 0.8095241402970268, + "fos_yielding": 8.52740362057697, + "deflection": 0.01205292377190478, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.572)" + }, + "parent_node_id": "node_1896", + "improvement_over_parent": null + }, + "node_1898": { + "node_id": "node_1898", + "content": "MODIFICATION: Increase 3 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 407.20 kg\n Factor of Safety: 0.81\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.19660400414494, + "fos_buckling": 0.8079295366103711, + "fos_yielding": 8.532282567497205, + "deflection": 0.012061003183180059, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.466)" + }, + "parent_node_id": "node_1897", + "improvement_over_parent": null + }, + "node_1899": { + "node_id": "node_1899", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n\nPerformance:\n Mass: 417.28 kg\n Factor of Safety: 1.25\n Max Deflection: 7.79e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.2792898637706, + "fos_buckling": 1.250147131167194, + "fos_yielding": 10.775670603058556, + "deflection": 0.007794714700508838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004776)" + }, + "parent_node_id": "node_1898", + "improvement_over_parent": null + }, + "node_1900": { + "node_id": "node_1900", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 536.85 kg\n Factor of Safety: 1.53\n Max Deflection: 6.10e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 536.8473699077249, + "fos_buckling": 1.5347944809153569, + "fos_yielding": 13.896777631494318, + "deflection": 0.006101242016763993, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_1899", + "improvement_over_parent": null + }, + "node_1901": { + "node_id": "node_1901", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.93 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9292697413566, + "fos_buckling": 1.5366803387711458, + "fos_yielding": 14.266648901698717, + "deflection": 0.005957605323904154, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.189)" + }, + "parent_node_id": "node_1900", + "improvement_over_parent": null + }, + "node_1902": { + "node_id": "node_1902", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1901", + "improvement_over_parent": null + }, + "node_1903": { + "node_id": "node_1903", + "content": "INITIAL DESIGN (Trace 281)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 318.44 kg\n Factor of Safety: 0.71\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.44015092505066, + "fos_buckling": 0.7067209076086535, + "fos_yielding": 8.336103548766369, + "deflection": 0.011176649292531376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1904": { + "node_id": "node_1904", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 393.32 kg\n Factor of Safety: 0.85\n Max Deflection: 9.09e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 393.3228875035488, + "fos_buckling": 0.8458942008331914, + "fos_yielding": 10.248179393097644, + "deflection": 0.009091100697572236, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_1903", + "improvement_over_parent": null + }, + "node_1905": { + "node_id": "node_1905", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 445.66 kg\n Factor of Safety: 1.30\n Max Deflection: 7.25e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.6589918295628, + "fos_buckling": 1.3039707853259004, + "fos_yielding": 11.615501462969492, + "deflection": 0.00725434562456686, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007604)" + }, + "parent_node_id": "node_1904", + "improvement_over_parent": null + }, + "node_1906": { + "node_id": "node_1906", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.91 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9143886558661, + "fos_buckling": 1.5368439243247143, + "fos_yielding": 14.259193450302645, + "deflection": 0.005957975826722632, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_1905", + "improvement_over_parent": null + }, + "node_1907": { + "node_id": "node_1907", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1906", + "improvement_over_parent": null + }, + "node_1908": { + "node_id": "node_1908", + "content": "INITIAL DESIGN (Trace 282)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 263.14 kg\n Factor of Safety: 0.37\n Max Deflection: 2.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 263.1421009984791, + "fos_buckling": 0.3704669383586532, + "fos_yielding": 4.574413797975384, + "deflection": 0.02099647109783711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1909": { + "node_id": "node_1909", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 320.14 kg\n Factor of Safety: 0.73\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.1444228255621, + "fos_buckling": 0.7284169784905067, + "fos_yielding": 8.625755075543342, + "deflection": 0.011189791087417428, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007174)" + }, + "parent_node_id": "node_1908", + "improvement_over_parent": null + }, + "node_1910": { + "node_id": "node_1910", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 369.25 kg\n Factor of Safety: 0.82\n Max Deflection: 9.73e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.2475313276586, + "fos_buckling": 0.8222444351680218, + "fos_yielding": 9.913495359394263, + "deflection": 0.009732811418303872, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_1909", + "improvement_over_parent": null + }, + "node_1911": { + "node_id": "node_1911", + "content": "MODIFICATION: Increase 7 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0115)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 395.16 kg\n Factor of Safety: 0.82\n Max Deflection: 9.75e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.15806673427153, + "fos_buckling": 0.8208951224473315, + "fos_yielding": 9.897227197734773, + "deflection": 0.009747858156695235, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.575)" + }, + "parent_node_id": "node_1910", + "improvement_over_parent": null + }, + "node_1912": { + "node_id": "node_1912", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0115)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 432.66 kg\n Factor of Safety: 1.16\n Max Deflection: 7.61e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.65654853972813, + "fos_buckling": 1.1643520170185837, + "fos_yielding": 11.54431496823568, + "deflection": 0.00761172395079368, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006697)" + }, + "parent_node_id": "node_1911", + "improvement_over_parent": null + }, + "node_1913": { + "node_id": "node_1913", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 489.32 kg\n Factor of Safety: 1.29\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.31940458697545, + "fos_buckling": 1.2905811418921236, + "fos_yielding": 13.084598177760137, + "deflection": 0.0067485395492809675, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_1912", + "improvement_over_parent": null + }, + "node_1914": { + "node_id": "node_1914", + "content": "MODIFICATION: Increase 2 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 496.06 kg\n Factor of Safety: 1.31\n Max Deflection: 6.70e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 496.0643184647605, + "fos_buckling": 1.3102837155938165, + "fos_yielding": 12.880023358527035, + "deflection": 0.0066991533323742854, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.205)" + }, + "parent_node_id": "node_1913", + "improvement_over_parent": null + }, + "node_1915": { + "node_id": "node_1915", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0149)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 556.05 kg\n Factor of Safety: 1.44\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 556.0532477596655, + "fos_buckling": 1.437608520029027, + "fos_yielding": 14.472910476789014, + "deflection": 0.005993031350286221, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.134)" + }, + "parent_node_id": "node_1914", + "improvement_over_parent": null + }, + "node_1916": { + "node_id": "node_1916", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1915", + "improvement_over_parent": null + }, + "node_1917": { + "node_id": "node_1917", + "content": "INITIAL DESIGN (Trace 283)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 392.56 kg\n Factor of Safety: 0.45\n Max Deflection: 3.62e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.56313704994386, + "fos_buckling": 0.45458209038926173, + "fos_yielding": 5.562454142631638, + "deflection": 0.036210209077804215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1918": { + "node_id": "node_1918", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 442.12 kg\n Factor of Safety: 0.68\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.11872666925626, + "fos_buckling": 0.6803399476977284, + "fos_yielding": 8.412951533850235, + "deflection": 0.011590526489069152, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006187)" + }, + "parent_node_id": "node_1917", + "improvement_over_parent": null + }, + "node_1919": { + "node_id": "node_1919", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 506.76 kg\n Factor of Safety: 0.77\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 506.76069861264773, + "fos_buckling": 0.7690927318678509, + "fos_yielding": 9.655750186434046, + "deflection": 0.010122173613410813, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_1918", + "improvement_over_parent": null + }, + "node_1920": { + "node_id": "node_1920", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 519.73 kg\n Factor of Safety: 1.22\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.7302181222026, + "fos_buckling": 1.2184746010769358, + "fos_yielding": 13.261340162701758, + "deflection": 0.006389045902063289, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1919", + "improvement_over_parent": null + }, + "node_1921": { + "node_id": "node_1921", + "content": "MODIFICATION: Increase 10 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0095)]\n\nPerformance:\n Mass: 525.39 kg\n Factor of Safety: 1.24\n Max Deflection: 6.27e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.3942925346716, + "fos_buckling": 1.2423554638085699, + "fos_yielding": 15.597435139132402, + "deflection": 0.006266234088039028, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.506)" + }, + "parent_node_id": "node_1920", + "improvement_over_parent": null + }, + "node_1922": { + "node_id": "node_1922", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1921", + "improvement_over_parent": null + }, + "node_1923": { + "node_id": "node_1923", + "content": "INITIAL DESIGN (Trace 284)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 393.56 kg\n Factor of Safety: 0.78\n Max Deflection: 3.55e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 393.56217940218977, + "fos_buckling": 0.775491832851562, + "fos_yielding": 9.808992210926242, + "deflection": 3554593809282.7266, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1924": { + "node_id": "node_1924", + "content": "MODIFICATION: Increase 7 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 416.23 kg\n Factor of Safety: 1.01\n Max Deflection: 3.55e+12 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.23186699893745, + "fos_buckling": 1.0140639140994978, + "fos_yielding": 12.88240139117637, + "deflection": 3554593809282.6914, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.410)" + }, + "parent_node_id": "node_1923", + "improvement_over_parent": null + }, + "node_1925": { + "node_id": "node_1925", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 480.36 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.3645198915581, + "fos_buckling": 0.9986318079441151, + "fos_yielding": 12.50054600277047, + "deflection": 0.009024447599274284, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1924", + "improvement_over_parent": null + }, + "node_1926": { + "node_id": "node_1926", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 527.97 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 527.967284352061, + "fos_buckling": 1.0113215059035616, + "fos_yielding": 12.659467727118965, + "deflection": 0.009051993791478386, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1925", + "improvement_over_parent": null + }, + "node_1927": { + "node_id": "node_1927", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 540.94 kg\n Factor of Safety: 1.27\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 540.9368038616159, + "fos_buckling": 1.2696921564003092, + "fos_yielding": 13.568656512997585, + "deflection": 0.006050356790341577, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1926", + "improvement_over_parent": null + }, + "node_1928": { + "node_id": "node_1928", + "content": "MODIFICATION: Increase 4 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0063)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 544.49 kg\n Factor of Safety: 1.27\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.4945743274516, + "fos_buckling": 1.2721844659058033, + "fos_yielding": 13.595290757710888, + "deflection": 0.005997750028580439, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.529)" + }, + "parent_node_id": "node_1927", + "improvement_over_parent": null + }, + "node_1929": { + "node_id": "node_1929", + "content": "MODIFICATION: Increase 6 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0063)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0124)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 562.12 kg\n Factor of Safety: 1.20\n Max Deflection: 5.92e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 562.1176969693207, + "fos_buckling": 1.1968527423856081, + "fos_yielding": 12.790252878390977, + "deflection": 0.0059184308208965804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.312)" + }, + "parent_node_id": "node_1928", + "improvement_over_parent": null + }, + "node_1930": { + "node_id": "node_1930", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1929", + "improvement_over_parent": null + }, + "node_1931": { + "node_id": "node_1931", + "content": "INITIAL DESIGN (Trace 285)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1932": { + "node_id": "node_1932", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1465619988734, + "fos_buckling": 0.9980356238604884, + "fos_yielding": 12.493083165612479, + "deflection": 0.007457272458590764, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1931", + "improvement_over_parent": null + }, + "node_1933": { + "node_id": "node_1933", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691677, + "deflection": 0.005954037788644468, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1932", + "improvement_over_parent": null + }, + "node_1934": { + "node_id": "node_1934", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1933", + "improvement_over_parent": null + }, + "node_1935": { + "node_id": "node_1935", + "content": "INITIAL DESIGN (Trace 286)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n\nPerformance:\n Mass: 250.59 kg\n Factor of Safety: 0.57\n Max Deflection: 4.34e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 250.5896436863048, + "fos_buckling": 0.5695453702728029, + "fos_yielding": 6.876613751198475, + "deflection": 43441844699085.77, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1936": { + "node_id": "node_1936", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n\nPerformance:\n Mass: 296.36 kg\n Factor of Safety: 0.14\n Max Deflection: 7.35e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.3600740949179, + "fos_buckling": 0.14238634256820074, + "fos_yielding": 2.3364743496004876, + "deflection": 73506734365522.23, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006587)" + }, + "parent_node_id": "node_1935", + "improvement_over_parent": null + }, + "node_1937": { + "node_id": "node_1937", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 340.67 kg\n Factor of Safety: 0.89\n Max Deflection: 1.06e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.67184964717353, + "fos_buckling": 0.8884655868135206, + "fos_yielding": 7.235785907429723, + "deflection": 10566821474411.898, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.161)" + }, + "parent_node_id": "node_1936", + "improvement_over_parent": null + }, + "node_1938": { + "node_id": "node_1938", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 415.44 kg\n Factor of Safety: 0.51\n Max Deflection: 2.21e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.4361567532981, + "fos_buckling": 0.5060878446276992, + "fos_yielding": 7.84792055460995, + "deflection": 22147979112435.83, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_1937", + "improvement_over_parent": null + }, + "node_1939": { + "node_id": "node_1939", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.8313891866596, + "fos_buckling": 0.996958658305343, + "fos_yielding": 12.484572340226874, + "deflection": 0.007461124598615588, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1938", + "improvement_over_parent": null + }, + "node_1940": { + "node_id": "node_1940", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n\nPerformance:\n Mass: 529.29 kg\n Factor of Safety: 1.28\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.2876462948976, + "fos_buckling": 1.2796169652363407, + "fos_yielding": 15.115691503309318, + "deflection": 0.0061151693638025065, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005366)" + }, + "parent_node_id": "node_1939", + "improvement_over_parent": null + }, + "node_1941": { + "node_id": "node_1941", + "content": "MODIFICATION: Increase 3 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0088)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n\nPerformance:\n Mass: 534.37 kg\n Factor of Safety: 1.28\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.3691701879741, + "fos_buckling": 1.2819041180843362, + "fos_yielding": 14.88172220317514, + "deflection": 0.006069108000407316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.618)" + }, + "parent_node_id": "node_1940", + "improvement_over_parent": null + }, + "node_1942": { + "node_id": "node_1942", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1941", + "improvement_over_parent": null + }, + "node_1943": { + "node_id": "node_1943", + "content": "INITIAL DESIGN (Trace 287)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 454.25 kg\n Factor of Safety: 0.72\n Max Deflection: 8.60e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.24702936918715, + "fos_buckling": 0.7216814792709211, + "fos_yielding": 9.059065275896444, + "deflection": 0.008604521563272804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1944": { + "node_id": "node_1944", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 518.38 kg\n Factor of Safety: 1.21\n Max Deflection: 6.42e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.3796822618077, + "fos_buckling": 1.2064578667972894, + "fos_yielding": 13.350881694984471, + "deflection": 0.006418830101977489, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1943", + "improvement_over_parent": null + }, + "node_1945": { + "node_id": "node_1945", + "content": "MODIFICATION: Increase 6 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 519.83 kg\n Factor of Safety: 1.22\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.8336737836242, + "fos_buckling": 1.2176155058993732, + "fos_yielding": 13.256553653628874, + "deflection": 0.006388870525546134, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.195)" + }, + "parent_node_id": "node_1944", + "improvement_over_parent": null + }, + "node_1946": { + "node_id": "node_1946", + "content": "MODIFICATION: Increase 10 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0143)]\n\nPerformance:\n Mass: 547.95 kg\n Factor of Safety: 1.29\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.9467235798453, + "fos_buckling": 1.2866985750988733, + "fos_yielding": 12.751101617859392, + "deflection": 0.00621954324423343, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.508)" + }, + "parent_node_id": "node_1945", + "improvement_over_parent": null + }, + "node_1947": { + "node_id": "node_1947", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1946", + "improvement_over_parent": null + }, + "node_1948": { + "node_id": "node_1948", + "content": "INITIAL DESIGN (Trace 288)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 305.19 kg\n Factor of Safety: 0.45\n Max Deflection: 2.01e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 305.19405327123474, + "fos_buckling": 0.4473431324910703, + "fos_yielding": 4.291591207720194, + "deflection": 0.020139120768700728, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1949": { + "node_id": "node_1949", + "content": "MODIFICATION: Increase 0 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 319.89 kg\n Factor of Safety: 0.45\n Max Deflection: 2.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.8862085387013, + "fos_buckling": 0.44692491237386783, + "fos_yielding": 4.291591207720203, + "deflection": 0.020154854726687297, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.408)" + }, + "parent_node_id": "node_1948", + "improvement_over_parent": null + }, + "node_1950": { + "node_id": "node_1950", + "content": "MODIFICATION: Increase 6 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 321.54 kg\n Factor of Safety: 0.45\n Max Deflection: 1.99e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.54004864980135, + "fos_buckling": 0.44692491237386794, + "fos_yielding": 4.291591207720199, + "deflection": 0.019874084959394557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.267)" + }, + "parent_node_id": "node_1949", + "improvement_over_parent": null + }, + "node_1951": { + "node_id": "node_1951", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 370.82 kg\n Factor of Safety: 0.51\n Max Deflection: 1.73e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.8179093629208, + "fos_buckling": 0.505293398900281, + "fos_yielding": 4.94364987181899, + "deflection": 0.017279679547424865, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.168)" + }, + "parent_node_id": "node_1950", + "improvement_over_parent": null + }, + "node_1952": { + "node_id": "node_1952", + "content": "MODIFICATION: Increase 3 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 379.32 kg\n Factor of Safety: 0.59\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.31938867906183, + "fos_buckling": 0.5876710560315472, + "fos_yielding": 4.940939641307971, + "deflection": 0.016703108580546376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.239)" + }, + "parent_node_id": "node_1951", + "improvement_over_parent": null + }, + "node_1953": { + "node_id": "node_1953", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.71 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.7146211124233, + "fos_buckling": 0.5926306015239403, + "fos_yielding": 7.071177700591531, + "deflection": 0.011035285975632416, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1952", + "improvement_over_parent": null + }, + "node_1954": { + "node_id": "node_1954", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.11 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1098535457847, + "fos_buckling": 1.5374524942651862, + "fos_yielding": 14.267364533186381, + "deflection": 0.005955803824148375, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1953", + "improvement_over_parent": null + }, + "node_1955": { + "node_id": "node_1955", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1954", + "improvement_over_parent": null + }, + "node_1956": { + "node_id": "node_1956", + "content": "INITIAL DESIGN (Trace 289)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0018)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 287.11 kg\n Factor of Safety: 0.67\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.1061242292832, + "fos_buckling": 0.6699460724191343, + "fos_yielding": 7.8489964515809305, + "deflection": 0.012024117334822882, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1957": { + "node_id": "node_1957", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 362.25 kg\n Factor of Safety: 0.82\n Max Deflection: 9.58e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 362.25062678403424, + "fos_buckling": 0.8180003977651163, + "fos_yielding": 9.853079430611094, + "deflection": 0.009575133683894281, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_1956", + "improvement_over_parent": null + }, + "node_1958": { + "node_id": "node_1958", + "content": "MODIFICATION: Increase 2 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 372.18 kg\n Factor of Safety: 0.82\n Max Deflection: 9.58e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.17618824418287, + "fos_buckling": 0.817485267280858, + "fos_yielding": 9.846874517273159, + "deflection": 0.00958117208403646, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.389)" + }, + "parent_node_id": "node_1957", + "improvement_over_parent": null + }, + "node_1959": { + "node_id": "node_1959", + "content": "MODIFICATION: Increase 5 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 374.65 kg\n Factor of Safety: 0.82\n Max Deflection: 9.51e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.65465362062923, + "fos_buckling": 0.8172282484903416, + "fos_yielding": 9.843778642790657, + "deflection": 0.009507692132485425, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.520)" + }, + "parent_node_id": "node_1958", + "improvement_over_parent": null + }, + "node_1960": { + "node_id": "node_1960", + "content": "MODIFICATION: Increase 5 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 377.32 kg\n Factor of Safety: 0.82\n Max Deflection: 9.47e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 377.3150105932011, + "fos_buckling": 0.8169525471794742, + "fos_yielding": 9.840457731306353, + "deflection": 0.009467891433915066, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.381)" + }, + "parent_node_id": "node_1959", + "improvement_over_parent": null + }, + "node_1961": { + "node_id": "node_1961", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n\nPerformance:\n Mass: 427.52 kg\n Factor of Safety: 1.26\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.51605025190577, + "fos_buckling": 1.2594327688149347, + "fos_yielding": 11.132073925100041, + "deflection": 0.007554180869939045, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007271)" + }, + "parent_node_id": "node_1960", + "improvement_over_parent": null + }, + "node_1962": { + "node_id": "node_1962", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.92 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9200241165727, + "fos_buckling": 1.5367597486621467, + "fos_yielding": 14.25155474416017, + "deflection": 0.0059581171685106175, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.304)" + }, + "parent_node_id": "node_1961", + "improvement_over_parent": null + }, + "node_1963": { + "node_id": "node_1963", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1962", + "improvement_over_parent": null + }, + "node_1964": { + "node_id": "node_1964", + "content": "INITIAL DESIGN (Trace 290)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1965": { + "node_id": "node_1965", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 480.35 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.3453060899975, + "fos_buckling": 0.9982621591132863, + "fos_yielding": 12.495918859735502, + "deflection": 0.00747089864048838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1964", + "improvement_over_parent": null + }, + "node_1966": { + "node_id": "node_1966", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 544.48 kg\n Factor of Safety: 1.52\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.4779589826181, + "fos_buckling": 1.5238465473765919, + "fos_yielding": 12.510358624216307, + "deflection": 0.006008168255807108, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1965", + "improvement_over_parent": null + }, + "node_1967": { + "node_id": "node_1967", + "content": "MODIFICATION: Increase 5 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.01 kg\n Factor of Safety: 1.52\n Max Deflection: 5.99e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0097621952492, + "fos_buckling": 1.5166317870225645, + "fos_yielding": 12.440260750302693, + "deflection": 0.005990991945923522, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.178)" + }, + "parent_node_id": "node_1966", + "improvement_over_parent": null + }, + "node_1968": { + "node_id": "node_1968", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1967", + "improvement_over_parent": null + }, + "node_1969": { + "node_id": "node_1969", + "content": "INITIAL DESIGN (Trace 291)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 403.10 kg\n Factor of Safety: 0.60\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.10450465285993, + "fos_buckling": 0.5952988306142623, + "fos_yielding": 7.112538555141362, + "deflection": 0.012954850093941709, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1970": { + "node_id": "node_1970", + "content": "MODIFICATION: Increase 8 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 415.31 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.3127249601854, + "fos_buckling": 0.5948390979100873, + "fos_yielding": 7.096309385032543, + "deflection": 0.012204727495283731, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.258)" + }, + "parent_node_id": "node_1969", + "improvement_over_parent": null + }, + "node_1971": { + "node_id": "node_1971", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.92 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.91548942068835, + "fos_buckling": 0.5930532524314869, + "fos_yielding": 7.075325944795004, + "deflection": 0.011028642549898684, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_1970", + "improvement_over_parent": null + }, + "node_1972": { + "node_id": "node_1972", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3107218540498, + "fos_buckling": 1.537699974023917, + "fos_yielding": 14.268843930012252, + "deflection": 0.005953865043462187, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1971", + "improvement_over_parent": null + }, + "node_1973": { + "node_id": "node_1973", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1972", + "improvement_over_parent": null + }, + "node_1974": { + "node_id": "node_1974", + "content": "INITIAL DESIGN (Trace 292)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1975": { + "node_id": "node_1975", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 416.90 kg\n Factor of Safety: 0.86\n Max Deflection: 8.88e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.9037711433198, + "fos_buckling": 0.8625362127686781, + "fos_yielding": 10.486842095198554, + "deflection": 0.008881962207500848, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007805)" + }, + "parent_node_id": "node_1974", + "improvement_over_parent": null + }, + "node_1976": { + "node_id": "node_1976", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 456.70 kg\n Factor of Safety: 1.33\n Max Deflection: 7.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.7009716286495, + "fos_buckling": 1.3307152572472243, + "fos_yielding": 11.906862309989547, + "deflection": 0.00708358046083748, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007140)" + }, + "parent_node_id": "node_1975", + "improvement_over_parent": null + }, + "node_1977": { + "node_id": "node_1977", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.11 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1097631676688, + "fos_buckling": 1.537317997339914, + "fos_yielding": 14.265231871428217, + "deflection": 0.005955836943886886, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_1976", + "improvement_over_parent": null + }, + "node_1978": { + "node_id": "node_1978", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1977", + "improvement_over_parent": null + }, + "node_1979": { + "node_id": "node_1979", + "content": "INITIAL DESIGN (Trace 293)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 273.42 kg\n Factor of Safety: 0.23\n Max Deflection: 4.29e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 273.41990244072366, + "fos_buckling": 0.2338213303857374, + "fos_yielding": 1.8089464768574308, + "deflection": 42934412452256.22, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1980": { + "node_id": "node_1980", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 325.68 kg\n Factor of Safety: 0.14\n Max Deflection: 8.94e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 325.67853327106553, + "fos_buckling": 0.14267963784406565, + "fos_yielding": 1.7908633078670537, + "deflection": 89417345481848.06, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.206)" + }, + "parent_node_id": "node_1979", + "improvement_over_parent": null + }, + "node_1981": { + "node_id": "node_1981", + "content": "MODIFICATION: Increase 5 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 328.91 kg\n Factor of Safety: 0.88\n Max Deflection: 1.60e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 328.9126358414921, + "fos_buckling": 0.8808682998151963, + "fos_yielding": 7.235785907429723, + "deflection": 16006226374145.52, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.435)" + }, + "parent_node_id": "node_1980", + "improvement_over_parent": null + }, + "node_1982": { + "node_id": "node_1982", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 384.67 kg\n Factor of Safety: 0.53\n Max Deflection: 1.31e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.66782266010347, + "fos_buckling": 0.5300335584724387, + "fos_yielding": 6.189318903660622, + "deflection": 0.013111455979767647, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008142)" + }, + "parent_node_id": "node_1981", + "improvement_over_parent": null + }, + "node_1983": { + "node_id": "node_1983", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 443.00 kg\n Factor of Safety: 0.59\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.9976281763234, + "fos_buckling": 0.5938363079268031, + "fos_yielding": 7.084810115686319, + "deflection": 0.011425206386655968, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.166)" + }, + "parent_node_id": "node_1982", + "improvement_over_parent": null + }, + "node_1984": { + "node_id": "node_1984", + "content": "MODIFICATION: Increase 0 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 461.08 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.0793401842, + "fos_buckling": 0.5931591087925887, + "fos_yielding": 7.076852621852961, + "deflection": 0.011050977349935381, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.453)" + }, + "parent_node_id": "node_1983", + "improvement_over_parent": null + }, + "node_1985": { + "node_id": "node_1985", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.47 kg\n Factor of Safety: 1.45\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.4745726175614, + "fos_buckling": 1.4516651585376688, + "fos_yielding": 14.419911966628563, + "deflection": 0.00598418850342943, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_1984", + "improvement_over_parent": null + }, + "node_1986": { + "node_id": "node_1986", + "content": "MODIFICATION: Increase 4 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3828074607414, + "fos_buckling": 1.5378625957314558, + "fos_yielding": 14.275694284206558, + "deflection": 0.005953142507438146, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.271)" + }, + "parent_node_id": "node_1985", + "improvement_over_parent": null + }, + "node_1987": { + "node_id": "node_1987", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1986", + "improvement_over_parent": null + }, + "node_1988": { + "node_id": "node_1988", + "content": "INITIAL DESIGN (Trace 294)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0036)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 294.85 kg\n Factor of Safety: 0.88\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.8539768797384, + "fos_buckling": 0.8782315068041598, + "fos_yielding": 7.840018329053415, + "deflection": 0.011088934662378471, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1989": { + "node_id": "node_1989", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 341.46 kg\n Factor of Safety: 1.00\n Max Deflection: 9.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.45840554363576, + "fos_buckling": 1.0034161036314972, + "fos_yielding": 9.085616730300327, + "deflection": 0.009600440053948797, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_1988", + "improvement_over_parent": null + }, + "node_1990": { + "node_id": "node_1990", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 439.52 kg\n Factor of Safety: 1.25\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.5178142002102, + "fos_buckling": 1.254872251321771, + "fos_yielding": 11.712140778475428, + "deflection": 0.007499190748278812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_1989", + "improvement_over_parent": null + }, + "node_1991": { + "node_id": "node_1991", + "content": "MODIFICATION: Increase 0 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 456.79 kg\n Factor of Safety: 1.24\n Max Deflection: 7.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.7854096301495, + "fos_buckling": 1.2426309689333928, + "fos_yielding": 12.563078502717262, + "deflection": 0.007050333285260584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.524)" + }, + "parent_node_id": "node_1990", + "improvement_over_parent": null + }, + "node_1992": { + "node_id": "node_1992", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 535.10 kg\n Factor of Safety: 1.42\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.104278906924, + "fos_buckling": 1.4235576491859827, + "fos_yielding": 14.735812782244093, + "deflection": 0.006046936746434564, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_1991", + "improvement_over_parent": null + }, + "node_1993": { + "node_id": "node_1993", + "content": "MODIFICATION: Increase 3 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1773648639773, + "fos_buckling": 1.5374286713491199, + "fos_yielding": 14.26889723237019, + "deflection": 0.00595499433738441, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.333)" + }, + "parent_node_id": "node_1992", + "improvement_over_parent": null + }, + "node_1994": { + "node_id": "node_1994", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1993", + "improvement_over_parent": null + }, + "node_1995": { + "node_id": "node_1995", + "content": "INITIAL DESIGN (Trace 295)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_1996": { + "node_id": "node_1996", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 469.17 kg\n Factor of Safety: 1.00\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.1739206839376, + "fos_buckling": 0.9996692106961758, + "fos_yielding": 12.51353187075744, + "deflection": 0.009049990917709668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1995", + "improvement_over_parent": null + }, + "node_1997": { + "node_id": "node_1997", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 482.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.14344019349244, + "fos_buckling": 0.9980357975494387, + "fos_yielding": 12.493085339793895, + "deflection": 0.007457276474510651, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_1996", + "improvement_over_parent": null + }, + "node_1998": { + "node_id": "node_1998", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2760930861131, + "fos_buckling": 1.5376997553632548, + "fos_yielding": 14.270324994007689, + "deflection": 0.005954050934660083, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_1997", + "improvement_over_parent": null + }, + "node_1999": { + "node_id": "node_1999", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_1998", + "improvement_over_parent": null + }, + "node_2000": { + "node_id": "node_2000", + "content": "INITIAL DESIGN (Trace 296)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 460.98 kg\n Factor of Safety: 1.00\n Max Deflection: 7.78e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.97712950334505, + "fos_buckling": 0.9991764134303327, + "fos_yielding": 12.034481046135804, + "deflection": 0.007781371319035408, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2001": { + "node_id": "node_2001", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 503.03 kg\n Factor of Safety: 1.17\n Max Deflection: 6.47e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 503.0288600836273, + "fos_buckling": 1.1688300054572907, + "fos_yielding": 12.511803800974793, + "deflection": 0.006469340017756057, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006020)" + }, + "parent_node_id": "node_2000", + "improvement_over_parent": null + }, + "node_2002": { + "node_id": "node_2002", + "content": "MODIFICATION: Increase 8 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0149)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 534.63 kg\n Factor of Safety: 1.07\n Max Deflection: 6.32e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.6256776729527, + "fos_buckling": 1.0669069482593814, + "fos_yielding": 11.420762940882524, + "deflection": 0.006316171717614625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.575)" + }, + "parent_node_id": "node_2001", + "improvement_over_parent": null + }, + "node_2003": { + "node_id": "node_2003", + "content": "MODIFICATION: Increase 6 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0149)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 537.67 kg\n Factor of Safety: 1.39\n Max Deflection: 6.23e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 537.6676730115655, + "fos_buckling": 1.386065262345172, + "fos_yielding": 13.7797741938218, + "deflection": 0.006233238864352986, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.506)" + }, + "parent_node_id": "node_2002", + "improvement_over_parent": null + }, + "node_2004": { + "node_id": "node_2004", + "content": "MODIFICATION: Increase 10 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0149)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 549.56 kg\n Factor of Safety: 1.39\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.5588554949295, + "fos_buckling": 1.3899770538756664, + "fos_yielding": 13.328204764529504, + "deflection": 0.006125707269653204, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.305)" + }, + "parent_node_id": "node_2003", + "improvement_over_parent": null + }, + "node_2005": { + "node_id": "node_2005", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2004", + "improvement_over_parent": null + }, + "node_2006": { + "node_id": "node_2006", + "content": "INITIAL DESIGN (Trace 297)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 273.72 kg\n Factor of Safety: 0.42\n Max Deflection: 1.84e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 273.7239693324037, + "fos_buckling": 0.4198810794283771, + "fos_yielding": 4.74307586676966, + "deflection": 0.018360273937064377, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2007": { + "node_id": "node_2007", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 302.98 kg\n Factor of Safety: 0.46\n Max Deflection: 1.66e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 302.976102286206, + "fos_buckling": 0.4583483893884218, + "fos_yielding": 5.234773483795492, + "deflection": 0.016617209887991688, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_2006", + "improvement_over_parent": null + }, + "node_2008": { + "node_id": "node_2008", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 369.46 kg\n Factor of Safety: 0.54\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.4629867906432, + "fos_buckling": 0.5412868658967824, + "fos_yielding": 6.341839796643241, + "deflection": 0.013682037033871523, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.238)" + }, + "parent_node_id": "node_2007", + "improvement_over_parent": null + }, + "node_2009": { + "node_id": "node_2009", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.19 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.1923551495794, + "fos_buckling": 0.5947409743163872, + "fos_yielding": 7.094920502728032, + "deflection": 0.012208870216850824, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_2008", + "improvement_over_parent": null + }, + "node_2010": { + "node_id": "node_2010", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.59 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.58758758294084, + "fos_buckling": 0.9968310199304034, + "fos_yielding": 12.477530862170447, + "deflection": 0.007464182292901049, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2009", + "improvement_over_parent": null + }, + "node_2011": { + "node_id": "node_2011", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.19 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1903520434438, + "fos_buckling": 1.5374951018294996, + "fos_yielding": 14.266917110801073, + "deflection": 0.005954993040624808, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2010", + "improvement_over_parent": null + }, + "node_2012": { + "node_id": "node_2012", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2011", + "improvement_over_parent": null + }, + "node_2013": { + "node_id": "node_2013", + "content": "INITIAL DESIGN (Trace 298)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 288.89 kg\n Factor of Safety: 0.65\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.8893748265445, + "fos_buckling": 0.6522419350334745, + "fos_yielding": 7.618527668242174, + "deflection": 0.01222948038284153, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2014": { + "node_id": "node_2014", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 336.17 kg\n Factor of Safety: 0.74\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.16977617392496, + "fos_buckling": 0.7441439381689359, + "fos_yielding": 8.838617563798001, + "deflection": 0.01054113436874214, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_2013", + "improvement_over_parent": null + }, + "node_2015": { + "node_id": "node_2015", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 381.12 kg\n Factor of Safety: 1.00\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.11742906600773, + "fos_buckling": 0.9960493610397517, + "fos_yielding": 10.123517597501921, + "deflection": 0.008475894682234602, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006461)" + }, + "parent_node_id": "node_2014", + "improvement_over_parent": null + }, + "node_2016": { + "node_id": "node_2016", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 420.96 kg\n Factor of Safety: 1.09\n Max Deflection: 7.69e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 420.9562545023628, + "fos_buckling": 1.0862014672415239, + "fos_yielding": 11.19087802372472, + "deflection": 0.0076923218369029794, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_2015", + "improvement_over_parent": null + }, + "node_2017": { + "node_id": "node_2017", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 483.06 kg\n Factor of Safety: 1.22\n Max Deflection: 6.73e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.0642071764131, + "fos_buckling": 1.2217688902882184, + "fos_yielding": 12.858231606114321, + "deflection": 0.0067285330493755575, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_2016", + "improvement_over_parent": null + }, + "node_2018": { + "node_id": "node_2018", + "content": "MODIFICATION: Increase 4 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 485.41 kg\n Factor of Safety: 1.40\n Max Deflection: 6.68e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.4144044322351, + "fos_buckling": 1.3989042786945727, + "fos_yielding": 12.664961067625446, + "deflection": 0.006675974304297177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.410)" + }, + "parent_node_id": "node_2017", + "improvement_over_parent": null + }, + "node_2019": { + "node_id": "node_2019", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.376940010244, + "fos_buckling": 1.5378760313167168, + "fos_yielding": 14.274187351385995, + "deflection": 0.005952889650971765, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_2018", + "improvement_over_parent": null + }, + "node_2020": { + "node_id": "node_2020", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2019", + "improvement_over_parent": null + }, + "node_2021": { + "node_id": "node_2021", + "content": "INITIAL DESIGN (Trace 299)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0035)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n\nPerformance:\n Mass: 212.40 kg\n Factor of Safety: 0.50\n Max Deflection: 1.66e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 212.40293149900955, + "fos_buckling": 0.5021729404058343, + "fos_yielding": 5.71892346197996, + "deflection": 0.01663462290606118, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2022": { + "node_id": "node_2022", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0035)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n\nPerformance:\n Mass: 241.27 kg\n Factor of Safety: 0.77\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 241.26528965756577, + "fos_buckling": 0.7733754898523586, + "fos_yielding": 6.200458333406711, + "deflection": 0.013353034883636795, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004058)" + }, + "parent_node_id": "node_2021", + "improvement_over_parent": null + }, + "node_2023": { + "node_id": "node_2023", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n\nPerformance:\n Mass: 294.28 kg\n Factor of Safety: 0.92\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.2756559419434, + "fos_buckling": 0.9248829315181286, + "fos_yielding": 7.570664637275384, + "deflection": 0.010982168329454185, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.230)" + }, + "parent_node_id": "node_2022", + "improvement_over_parent": null + }, + "node_2024": { + "node_id": "node_2024", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 330.58 kg\n Factor of Safety: 1.02\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.58270309519304, + "fos_buckling": 1.0249028115977636, + "fos_yielding": 8.510799242321877, + "deflection": 0.009797056010630384, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.130)" + }, + "parent_node_id": "node_2023", + "improvement_over_parent": null + }, + "node_2025": { + "node_id": "node_2025", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 417.07 kg\n Factor of Safety: 1.25\n Max Deflection: 7.81e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.07475536206067, + "fos_buckling": 1.251034400696819, + "fos_yielding": 10.755988274269917, + "deflection": 0.007805017789432622, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_2024", + "improvement_over_parent": null + }, + "node_2026": { + "node_id": "node_2026", + "content": "MODIFICATION: Increase 1 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 424.84 kg\n Factor of Safety: 1.25\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.8357946801688, + "fos_buckling": 1.2528524241572616, + "fos_yielding": 11.069171806946114, + "deflection": 0.007600099408711313, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.206)" + }, + "parent_node_id": "node_2025", + "improvement_over_parent": null + }, + "node_2027": { + "node_id": "node_2027", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.61 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.606657383172, + "fos_buckling": 1.536117221203145, + "fos_yielding": 14.252758966317668, + "deflection": 0.005961040215853413, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.312)" + }, + "parent_node_id": "node_2026", + "improvement_over_parent": null + }, + "node_2028": { + "node_id": "node_2028", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2027", + "improvement_over_parent": null + }, + "node_2029": { + "node_id": "node_2029", + "content": "INITIAL DESIGN (Trace 300)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2030": { + "node_id": "node_2030", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 353.24 kg\n Factor of Safety: 0.85\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.23839243513396, + "fos_buckling": 0.8454724841414623, + "fos_yielding": 10.237914561573985, + "deflection": 0.011231322360583941, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006927)" + }, + "parent_node_id": "node_2029", + "improvement_over_parent": null + }, + "node_2031": { + "node_id": "node_2031", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 434.63 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.627863367217, + "fos_buckling": 1.0011891612523318, + "fos_yielding": 12.53299077239844, + "deflection": 0.00918139454152751, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_2030", + "improvement_over_parent": null + }, + "node_2032": { + "node_id": "node_2032", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.76 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.7605162598376, + "fos_buckling": 0.9971487378490084, + "fos_yielding": 12.482412329092986, + "deflection": 0.00746152573008118, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2031", + "improvement_over_parent": null + }, + "node_2033": { + "node_id": "node_2033", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.36 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3632807203405, + "fos_buckling": 1.537892610453615, + "fos_yielding": 14.273243075013864, + "deflection": 0.005953064511265626, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2032", + "improvement_over_parent": null + }, + "node_2034": { + "node_id": "node_2034", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2033", + "improvement_over_parent": null + }, + "node_2035": { + "node_id": "node_2035", + "content": "INITIAL DESIGN (Trace 301)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 340.93 kg\n Factor of Safety: 0.79\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.9336100452401, + "fos_buckling": 0.7860521008438751, + "fos_yielding": 7.678339162579217, + "deflection": 0.010780141925517557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2036": { + "node_id": "node_2036", + "content": "MODIFICATION: Increase 7 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 351.45 kg\n Factor of Safety: 0.79\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.44543665571615, + "fos_buckling": 0.7855273397701183, + "fos_yielding": 7.673213174748007, + "deflection": 0.010533335457419449, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.217)" + }, + "parent_node_id": "node_2035", + "improvement_over_parent": null + }, + "node_2037": { + "node_id": "node_2037", + "content": "MODIFICATION: Increase 1 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 359.95 kg\n Factor of Safety: 0.79\n Max Deflection: 9.91e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.95109957081934, + "fos_buckling": 0.7851032409852737, + "fos_yielding": 9.399311981523347, + "deflection": 0.009913155965267536, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.241)" + }, + "parent_node_id": "node_2036", + "improvement_over_parent": null + }, + "node_2038": { + "node_id": "node_2038", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 397.04 kg\n Factor of Safety: 0.85\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.036325238321, + "fos_buckling": 0.8525243472430153, + "fos_yielding": 10.343669568499545, + "deflection": 0.009007978486424989, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.111)" + }, + "parent_node_id": "node_2037", + "improvement_over_parent": null + }, + "node_2039": { + "node_id": "node_2039", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.00 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.0047988170715, + "fos_buckling": 0.9977964482058755, + "fos_yielding": 12.490925434109522, + "deflection": 0.00745922346626366, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.235)" + }, + "parent_node_id": "node_2038", + "improvement_over_parent": null + }, + "node_2040": { + "node_id": "node_2040", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.14 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1374517096921, + "fos_buckling": 1.5373211480784235, + "fos_yielding": 14.265284522387367, + "deflection": 0.0059555884264883485, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2039", + "improvement_over_parent": null + }, + "node_2041": { + "node_id": "node_2041", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2040", + "improvement_over_parent": null + }, + "node_2042": { + "node_id": "node_2042", + "content": "INITIAL DESIGN (Trace 302)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 395.20 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.2005289860123, + "fos_buckling": 0.5955968548105586, + "fos_yielding": 7.105241588109966, + "deflection": 0.012192700858397208, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2043": { + "node_id": "node_2043", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 442.80 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.8032934465152, + "fos_buckling": 0.593806463355957, + "fos_yielding": 7.084205368746523, + "deflection": 0.0110187383763743, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2042", + "improvement_over_parent": null + }, + "node_2044": { + "node_id": "node_2044", + "content": "MODIFICATION: Increase 1 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.89245749975294, + "fos_buckling": 0.5930541138945911, + "fos_yielding": 7.075365060969116, + "deflection": 0.011030294960730847, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.527)" + }, + "parent_node_id": "node_2043", + "improvement_over_parent": null + }, + "node_2045": { + "node_id": "node_2045", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2876899331144, + "fos_buckling": 1.537621979512964, + "fos_yielding": 14.270120700867535, + "deflection": 0.005953925045659477, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2044", + "improvement_over_parent": null + }, + "node_2046": { + "node_id": "node_2046", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2045", + "improvement_over_parent": null + }, + "node_2047": { + "node_id": "node_2047", + "content": "INITIAL DESIGN (Trace 303)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 442.27 kg\n Factor of Safety: 0.50\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.27226777502744, + "fos_buckling": 0.49895871424120675, + "fos_yielding": 7.092300577107365, + "deflection": 0.011718750088104968, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2048": { + "node_id": "node_2048", + "content": "MODIFICATION: Increase 3 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 451.19 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.1868964323479, + "fos_buckling": 0.5935344064864888, + "fos_yielding": 7.080509819834863, + "deflection": 0.01110291835455296, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.253)" + }, + "parent_node_id": "node_2047", + "improvement_over_parent": null + }, + "node_2049": { + "node_id": "node_2049", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 534.58 kg\n Factor of Safety: 1.41\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.5821288657094, + "fos_buckling": 1.409860856705991, + "fos_yielding": 14.76957525172097, + "deflection": 0.006052329872197124, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2048", + "improvement_over_parent": null + }, + "node_2050": { + "node_id": "node_2050", + "content": "MODIFICATION: Increase 2 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2620019908281, + "fos_buckling": 1.5376326023514257, + "fos_yielding": 14.270281430533311, + "deflection": 0.0059541685983424235, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.357)" + }, + "parent_node_id": "node_2049", + "improvement_over_parent": null + }, + "node_2051": { + "node_id": "node_2051", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2050", + "improvement_over_parent": null + }, + "node_2052": { + "node_id": "node_2052", + "content": "INITIAL DESIGN (Trace 304)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 448.92 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.9241026604793, + "fos_buckling": 0.5934931641195451, + "fos_yielding": 7.080524059858794, + "deflection": 0.011117655854113133, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2053": { + "node_id": "node_2053", + "content": "MODIFICATION: Increase 4 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 451.16 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.1622371642326, + "fos_buckling": 0.5934931641195452, + "fos_yielding": 7.080524059858789, + "deflection": 0.011090921220684656, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.332)" + }, + "parent_node_id": "node_2052", + "improvement_over_parent": null + }, + "node_2054": { + "node_id": "node_2054", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 534.56 kg\n Factor of Safety: 1.49\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.557469597594, + "fos_buckling": 1.493064374837605, + "fos_yielding": 14.656002209882384, + "deflection": 0.00603585125766506, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2053", + "improvement_over_parent": null + }, + "node_2055": { + "node_id": "node_2055", + "content": "MODIFICATION: Increase 8 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2530142065557, + "fos_buckling": 1.5376225650500714, + "fos_yielding": 14.270468193471716, + "deflection": 0.005954216945171097, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.245)" + }, + "parent_node_id": "node_2054", + "improvement_over_parent": null + }, + "node_2056": { + "node_id": "node_2056", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2055", + "improvement_over_parent": null + }, + "node_2057": { + "node_id": "node_2057", + "content": "INITIAL DESIGN (Trace 305)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n\nPerformance:\n Mass: 238.93 kg\n Factor of Safety: 0.31\n Max Deflection: 1.63e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.93374195549708, + "fos_buckling": 0.3075937507098729, + "fos_yielding": 2.411928635809908, + "deflection": 16253689108191.166, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2058": { + "node_id": "node_2058", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 277.37 kg\n Factor of Safety: 0.39\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.36512846222683, + "fos_buckling": 0.3854979599681068, + "fos_yielding": 4.314768864041403, + "deflection": 0.018203333733366214, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005474)" + }, + "parent_node_id": "node_2057", + "improvement_over_parent": null + }, + "node_2059": { + "node_id": "node_2059", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 359.95 kg\n Factor of Safety: 0.48\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.94929959248685, + "fos_buckling": 0.48275862387897134, + "fos_yielding": 5.555650979409614, + "deflection": 0.014097021597023156, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_2058", + "improvement_over_parent": null + }, + "node_2060": { + "node_id": "node_2060", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 424.79 kg\n Factor of Safety: 1.25\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.79385121621556, + "fos_buckling": 1.2527492825292268, + "fos_yielding": 11.067466272624813, + "deflection": 0.007600987639446557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008232)" + }, + "parent_node_id": "node_2059", + "improvement_over_parent": null + }, + "node_2061": { + "node_id": "node_2061", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.31 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3101543957054, + "fos_buckling": 1.5376820145929375, + "fos_yielding": 14.270583024891648, + "deflection": 0.005953735654025482, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_2060", + "improvement_over_parent": null + }, + "node_2062": { + "node_id": "node_2062", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2061", + "improvement_over_parent": null + }, + "node_2063": { + "node_id": "node_2063", + "content": "INITIAL DESIGN (Trace 306)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 350.13 kg\n Factor of Safety: 0.86\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.12841451123535, + "fos_buckling": 0.8593615263656875, + "fos_yielding": 8.810793785486426, + "deflection": 0.00918379853190273, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2064": { + "node_id": "node_2064", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 411.64 kg\n Factor of Safety: 0.99\n Max Deflection: 7.84e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.6402810529436, + "fos_buckling": 0.9923543672749857, + "fos_yielding": 10.303535855106329, + "deflection": 0.007840452880593454, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_2063", + "improvement_over_parent": null + }, + "node_2065": { + "node_id": "node_2065", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 528.55 kg\n Factor of Safety: 1.23\n Max Deflection: 6.15e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.5500477338652, + "fos_buckling": 1.231233672002049, + "fos_yielding": 13.104214377205583, + "deflection": 0.0061490773096051, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.311)" + }, + "parent_node_id": "node_2064", + "improvement_over_parent": null + }, + "node_2066": { + "node_id": "node_2066", + "content": "MODIFICATION: Increase 2 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.44 kg\n Factor of Safety: 1.24\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.4412332262666, + "fos_buckling": 1.2365795517054943, + "fos_yielding": 13.161111418978969, + "deflection": 0.006014448358960691, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.499)" + }, + "parent_node_id": "node_2065", + "improvement_over_parent": null + }, + "node_2067": { + "node_id": "node_2067", + "content": "MODIFICATION: Increase 6 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.82 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.8247622490419, + "fos_buckling": 1.5388603022374079, + "fos_yielding": 14.285712168093424, + "deflection": 0.005948176717343751, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.592)" + }, + "parent_node_id": "node_2066", + "improvement_over_parent": null + }, + "node_2068": { + "node_id": "node_2068", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2067", + "improvement_over_parent": null + }, + "node_2069": { + "node_id": "node_2069", + "content": "INITIAL DESIGN (Trace 307)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 396.68 kg\n Factor of Safety: 0.90\n Max Deflection: 8.93e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 396.68066121061327, + "fos_buckling": 0.8976734122763876, + "fos_yielding": 10.98889639359802, + "deflection": 0.008933919638087316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2070": { + "node_id": "node_2070", + "content": "MODIFICATION: Increase 1 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 410.99 kg\n Factor of Safety: 0.90\n Max Deflection: 8.60e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.99422526688966, + "fos_buckling": 0.8968604298845582, + "fos_yielding": 10.978944244908465, + "deflection": 0.00860235150187247, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.389)" + }, + "parent_node_id": "node_2069", + "improvement_over_parent": null + }, + "node_2071": { + "node_id": "node_2071", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 467.10 kg\n Factor of Safety: 1.34\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.10314647738676, + "fos_buckling": 1.3386387728546931, + "fos_yielding": 12.826484983425951, + "deflection": 0.006877405063131571, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008198)" + }, + "parent_node_id": "node_2070", + "improvement_over_parent": null + }, + "node_2072": { + "node_id": "node_2072", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 533.99 kg\n Factor of Safety: 1.49\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.9926942324171, + "fos_buckling": 1.4908003932117129, + "fos_yielding": 14.675273008289858, + "deflection": 0.0060406193628698, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.157)" + }, + "parent_node_id": "node_2071", + "improvement_over_parent": null + }, + "node_2073": { + "node_id": "node_2073", + "content": "MODIFICATION: Increase 9 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0136)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 553.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.83e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 553.1194258934452, + "fos_buckling": 1.5432333256366657, + "fos_yielding": 15.198633160292877, + "deflection": 0.005831193038064687, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.259)" + }, + "parent_node_id": "node_2072", + "improvement_over_parent": null + }, + "node_2074": { + "node_id": "node_2074", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2073", + "improvement_over_parent": null + }, + "node_2075": { + "node_id": "node_2075", + "content": "INITIAL DESIGN (Trace 308)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 315.04 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.03826604777635, + "fos_buckling": 0.8102652380226386, + "fos_yielding": 9.741431047298235, + "deflection": 0.011797010248320791, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2076": { + "node_id": "node_2076", + "content": "MODIFICATION: Increase 7 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 327.34 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 327.3399597670304, + "fos_buckling": 0.8096312311800047, + "fos_yielding": 9.733808686556083, + "deflection": 0.011809163017795584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.445)" + }, + "parent_node_id": "node_2075", + "improvement_over_parent": null + }, + "node_2077": { + "node_id": "node_2077", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 373.34 kg\n Factor of Safety: 0.90\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.33608804223786, + "fos_buckling": 0.9032734856995335, + "fos_yielding": 11.067047811163116, + "deflection": 0.010390773515382359, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_2076", + "improvement_over_parent": null + }, + "node_2078": { + "node_id": "node_2078", + "content": "MODIFICATION: Increase 7 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 382.31 kg\n Factor of Safety: 0.90\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.31173877332657, + "fos_buckling": 0.9027595723122117, + "fos_yielding": 11.060751264083725, + "deflection": 0.010398549893525545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.205)" + }, + "parent_node_id": "node_2077", + "improvement_over_parent": null + }, + "node_2079": { + "node_id": "node_2079", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 424.18 kg\n Factor of Safety: 0.90\n Max Deflection: 8.45e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.180506011575, + "fos_buckling": 0.9003700233953196, + "fos_yielding": 11.031474137577707, + "deflection": 0.008445701879630547, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007543)" + }, + "parent_node_id": "node_2078", + "improvement_over_parent": null + }, + "node_2080": { + "node_id": "node_2080", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 480.59 kg\n Factor of Safety: 1.39\n Max Deflection: 6.74e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.5859977865605, + "fos_buckling": 1.387621534861136, + "fos_yielding": 12.538578506173035, + "deflection": 0.006740976824207576, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008245)" + }, + "parent_node_id": "node_2079", + "improvement_over_parent": null + }, + "node_2081": { + "node_id": "node_2081", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.63 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6301107910097, + "fos_buckling": 1.5385056949368483, + "fos_yielding": 14.281883930611809, + "deflection": 0.005950128779493107, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.151)" + }, + "parent_node_id": "node_2080", + "improvement_over_parent": null + }, + "node_2082": { + "node_id": "node_2082", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2081", + "improvement_over_parent": null + }, + "node_2083": { + "node_id": "node_2083", + "content": "INITIAL DESIGN (Trace 309)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n\nPerformance:\n Mass: 309.64 kg\n Factor of Safety: 0.77\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 309.6438234260969, + "fos_buckling": 0.7661404666389312, + "fos_yielding": 6.73380103063582, + "deflection": 0.012413644548014033, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2084": { + "node_id": "node_2084", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 351.42 kg\n Factor of Safety: 0.85\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.4214954468745, + "fos_buckling": 0.8519309532507793, + "fos_yielding": 7.634168929329179, + "deflection": 0.010960432628495687, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.144)" + }, + "parent_node_id": "node_2083", + "improvement_over_parent": null + }, + "node_2085": { + "node_id": "node_2085", + "content": "MODIFICATION: Increase 0 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 364.63 kg\n Factor of Safety: 0.85\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.63394043158297, + "fos_buckling": 0.851216672667738, + "fos_yielding": 10.314754525285904, + "deflection": 0.010078985360411366, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.379)" + }, + "parent_node_id": "node_2084", + "improvement_over_parent": null + }, + "node_2086": { + "node_id": "node_2086", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 403.67 kg\n Factor of Safety: 1.05\n Max Deflection: 8.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.66568070502103, + "fos_buckling": 1.0475959610952867, + "fos_yielding": 10.049078669744917, + "deflection": 0.008325334219935547, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006992)" + }, + "parent_node_id": "node_2085", + "improvement_over_parent": null + }, + "node_2087": { + "node_id": "node_2087", + "content": "MODIFICATION: Increase 1 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 421.89 kg\n Factor of Safety: 0.96\n Max Deflection: 7.90e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.89326701187684, + "fos_buckling": 0.9645891878055315, + "fos_yielding": 10.633248801029486, + "deflection": 0.00790074765332239, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.603)" + }, + "parent_node_id": "node_2086", + "improvement_over_parent": null + }, + "node_2088": { + "node_id": "node_2088", + "content": "MODIFICATION: Increase 10 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0116)]\n\nPerformance:\n Mass: 444.61 kg\n Factor of Safety: 0.96\n Max Deflection: 7.75e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.60869368787195, + "fos_buckling": 0.9604770866250468, + "fos_yielding": 10.219147769391569, + "deflection": 0.00775253806062178, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.661)" + }, + "parent_node_id": "node_2087", + "improvement_over_parent": null + }, + "node_2089": { + "node_id": "node_2089", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0144)]\n\nPerformance:\n Mass: 541.58 kg\n Factor of Safety: 1.15\n Max Deflection: 6.39e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.5777022584494, + "fos_buckling": 1.148069029750813, + "fos_yielding": 12.507701256186937, + "deflection": 0.006388114605532941, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_2088", + "improvement_over_parent": null + }, + "node_2090": { + "node_id": "node_2090", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2089", + "improvement_over_parent": null + }, + "node_2091": { + "node_id": "node_2091", + "content": "INITIAL DESIGN (Trace 310)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0033)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n\nPerformance:\n Mass: 219.29 kg\n Factor of Safety: 0.37\n Max Deflection: 1.77e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 219.287774074796, + "fos_buckling": 0.36672289533065017, + "fos_yielding": 4.336504775115267, + "deflection": 0.017742229772225004, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2092": { + "node_id": "node_2092", + "content": "MODIFICATION: Increase 7 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0044)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0050)]\n\nPerformance:\n Mass: 232.70 kg\n Factor of Safety: 0.54\n Max Deflection: 1.52e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 232.7049714751939, + "fos_buckling": 0.53523783853145, + "fos_yielding": 6.12391977389091, + "deflection": 0.015210707085740358, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.520)" + }, + "parent_node_id": "node_2091", + "improvement_over_parent": null + }, + "node_2093": { + "node_id": "node_2093", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 273.94 kg\n Factor of Safety: 0.62\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 273.94156714474315, + "fos_buckling": 0.6195742255601411, + "fos_yielding": 7.190395778200631, + "deflection": 0.012954496774672435, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.186)" + }, + "parent_node_id": "node_2092", + "improvement_over_parent": null + }, + "node_2094": { + "node_id": "node_2094", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 337.59 kg\n Factor of Safety: 0.74\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.58580982586346, + "fos_buckling": 0.7436593313056558, + "fos_yielding": 8.825562006144034, + "deflection": 0.01055413202106563, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_2093", + "improvement_over_parent": null + }, + "node_2095": { + "node_id": "node_2095", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 382.51 kg\n Factor of Safety: 1.15\n Max Deflection: 8.42e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.5138477026364, + "fos_buckling": 1.1460196529516884, + "fos_yielding": 9.955650743048913, + "deflection": 0.008419630011966647, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006458)" + }, + "parent_node_id": "node_2094", + "improvement_over_parent": null + }, + "node_2096": { + "node_id": "node_2096", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 484.49 kg\n Factor of Safety: 1.40\n Max Deflection: 6.69e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.49456984665426, + "fos_buckling": 1.396573658865453, + "fos_yielding": 12.637520237030515, + "deflection": 0.006688501394894398, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.289)" + }, + "parent_node_id": "node_2095", + "improvement_over_parent": null + }, + "node_2097": { + "node_id": "node_2097", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.79 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.7906364797343, + "fos_buckling": 1.536398177508388, + "fos_yielding": 14.255135646527078, + "deflection": 0.005959270623270662, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_2096", + "improvement_over_parent": null + }, + "node_2098": { + "node_id": "node_2098", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2097", + "improvement_over_parent": null + }, + "node_2099": { + "node_id": "node_2099", + "content": "INITIAL DESIGN (Trace 311)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 376.07 kg\n Factor of Safety: 0.95\n Max Deflection: 8.64e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.0662680153291, + "fos_buckling": 0.9482373392484138, + "fos_yielding": 11.352946313686541, + "deflection": 0.008644010553835969, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2100": { + "node_id": "node_2100", + "content": "MODIFICATION: Increase 8 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 395.65 kg\n Factor of Safety: 1.03\n Max Deflection: 8.30e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.6471425259671, + "fos_buckling": 1.0310969399692627, + "fos_yielding": 10.59662860759885, + "deflection": 0.008302789392308383, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.664)" + }, + "parent_node_id": "node_2099", + "improvement_over_parent": null + }, + "node_2101": { + "node_id": "node_2101", + "content": "MODIFICATION: Increase 9 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 406.83 kg\n Factor of Safety: 1.03\n Max Deflection: 8.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.8331701253714, + "fos_buckling": 1.0281197613194186, + "fos_yielding": 10.274591474383374, + "deflection": 0.008156723056572333, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.300)" + }, + "parent_node_id": "node_2100", + "improvement_over_parent": null + }, + "node_2102": { + "node_id": "node_2102", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 449.07 kg\n Factor of Safety: 1.12\n Max Deflection: 7.41e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.0700739151006, + "fos_buckling": 1.1220508541248215, + "fos_yielding": 11.3522773433067, + "deflection": 0.007406259469839224, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_2101", + "improvement_over_parent": null + }, + "node_2103": { + "node_id": "node_2103", + "content": "MODIFICATION: Increase 7 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 470.00 kg\n Factor of Safety: 1.39\n Max Deflection: 6.98e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.00468880611686, + "fos_buckling": 1.3871862030320294, + "fos_yielding": 12.076513388893693, + "deflection": 0.006977127086093425, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.431)" + }, + "parent_node_id": "node_2102", + "improvement_over_parent": null + }, + "node_2104": { + "node_id": "node_2104", + "content": "MODIFICATION: Increase 1 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 481.49 kg\n Factor of Safety: 1.39\n Max Deflection: 6.73e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.49175215363914, + "fos_buckling": 1.3897005763847434, + "fos_yielding": 12.561835887433462, + "deflection": 0.006728669380252061, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.289)" + }, + "parent_node_id": "node_2103", + "improvement_over_parent": null + }, + "node_2105": { + "node_id": "node_2105", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.92 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9156664143061, + "fos_buckling": 1.5368677454624051, + "fos_yielding": 14.262304145222895, + "deflection": 0.005957665357981975, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_2104", + "improvement_over_parent": null + }, + "node_2106": { + "node_id": "node_2106", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2105", + "improvement_over_parent": null + }, + "node_2107": { + "node_id": "node_2107", + "content": "INITIAL DESIGN (Trace 312)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 369.22 kg\n Factor of Safety: 0.74\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.21693909199894, + "fos_buckling": 0.7402828166378467, + "fos_yielding": 6.931069194969163, + "deflection": 0.01359580181010201, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2108": { + "node_id": "node_2108", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n\nPerformance:\n Mass: 378.48 kg\n Factor of Safety: 1.15\n Max Deflection: 8.66e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.4756784961721, + "fos_buckling": 1.147678120404423, + "fos_yielding": 9.65483135471687, + "deflection": 0.008660770944079663, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004360)" + }, + "parent_node_id": "node_2107", + "improvement_over_parent": null + }, + "node_2109": { + "node_id": "node_2109", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 418.74 kg\n Factor of Safety: 1.25\n Max Deflection: 7.85e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.7413277000808, + "fos_buckling": 1.2506163578337803, + "fos_yielding": 10.6904787711756, + "deflection": 0.007845858017073588, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_2108", + "improvement_over_parent": null + }, + "node_2110": { + "node_id": "node_2110", + "content": "MODIFICATION: Increase 0 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 431.43 kg\n Factor of Safety: 1.27\n Max Deflection: 7.49e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.43437812514264, + "fos_buckling": 1.2690040753473222, + "fos_yielding": 11.24260935408918, + "deflection": 0.00748679780537597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.376)" + }, + "parent_node_id": "node_2109", + "improvement_over_parent": null + }, + "node_2111": { + "node_id": "node_2111", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.96 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.9617434842436, + "fos_buckling": 1.5389600761830136, + "fos_yielding": 14.288486932779753, + "deflection": 0.005946717637604455, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.294)" + }, + "parent_node_id": "node_2110", + "improvement_over_parent": null + }, + "node_2112": { + "node_id": "node_2112", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2111", + "improvement_over_parent": null + }, + "node_2113": { + "node_id": "node_2113", + "content": "INITIAL DESIGN (Trace 313)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2114": { + "node_id": "node_2114", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n\nPerformance:\n Mass: 334.82 kg\n Factor of Safety: 0.80\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.8173395694838, + "fos_buckling": 0.7954498171500313, + "fos_yielding": 9.53831293033438, + "deflection": 0.010073060116516538, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.004208)" + }, + "parent_node_id": "node_2113", + "improvement_over_parent": null + }, + "node_2115": { + "node_id": "node_2115", + "content": "MODIFICATION: Increase 8 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n\nPerformance:\n Mass: 370.53 kg\n Factor of Safety: 0.79\n Max Deflection: 9.52e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.526765788771, + "fos_buckling": 0.7936480299323738, + "fos_yielding": 9.516707531797154, + "deflection": 0.009515385100432958, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.634)" + }, + "parent_node_id": "node_2114", + "improvement_over_parent": null + }, + "node_2116": { + "node_id": "node_2116", + "content": "MODIFICATION: Increase 2 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0098)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n\nPerformance:\n Mass: 387.51 kg\n Factor of Safety: 0.79\n Max Deflection: 9.43e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.5083397599812, + "fos_buckling": 0.7927940529439782, + "fos_yielding": 9.50646741409896, + "deflection": 0.009432595091927133, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.524)" + }, + "parent_node_id": "node_2115", + "improvement_over_parent": null + }, + "node_2117": { + "node_id": "node_2117", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0098)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n\nPerformance:\n Mass: 436.03 kg\n Factor of Safety: 1.02\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.02590541778505, + "fos_buckling": 1.0167661774233225, + "fos_yielding": 12.678465479602199, + "deflection": 0.007599811664580404, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007010)" + }, + "parent_node_id": "node_2116", + "improvement_over_parent": null + }, + "node_2118": { + "node_id": "node_2118", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0117)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0156)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 514.34 kg\n Factor of Safety: 1.18\n Max Deflection: 6.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 514.3370397540493, + "fos_buckling": 1.181309517645042, + "fos_yielding": 14.980708681736685, + "deflection": 0.006463300169742496, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.198)" + }, + "parent_node_id": "node_2117", + "improvement_over_parent": null + }, + "node_2119": { + "node_id": "node_2119", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0132)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0177)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 574.52 kg\n Factor of Safety: 1.30\n Max Deflection: 5.80e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 574.5238835954011, + "fos_buckling": 1.3041132055195221, + "fos_yielding": 16.75553741817258, + "deflection": 0.005800034442209435, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_2118", + "improvement_over_parent": null + }, + "node_2120": { + "node_id": "node_2120", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2119", + "improvement_over_parent": null + }, + "node_2121": { + "node_id": "node_2121", + "content": "INITIAL DESIGN (Trace 314)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 450.70 kg\n Factor of Safety: 1.00\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.69572947798554, + "fos_buckling": 1.0008360698862242, + "fos_yielding": 12.52813823204888, + "deflection": 0.009014343429019968, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2122": { + "node_id": "node_2122", + "content": "MODIFICATION: Increase 6 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 471.62 kg\n Factor of Safety: 1.00\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.61788437624625, + "fos_buckling": 0.9995150831914463, + "fos_yielding": 12.511602553117214, + "deflection": 0.009014343429019972, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.531)" + }, + "parent_node_id": "node_2121", + "improvement_over_parent": null + }, + "node_2123": { + "node_id": "node_2123", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 484.59 kg\n Factor of Safety: 1.00\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.5874038858011, + "fos_buckling": 0.9978821732689137, + "fos_yielding": 12.491162321349481, + "deflection": 0.007601749125931372, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2122", + "improvement_over_parent": null + }, + "node_2124": { + "node_id": "node_2124", + "content": "MODIFICATION: Increase 2 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.70 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.700978317318, + "fos_buckling": 0.9969959372438332, + "fos_yielding": 12.480068708956306, + "deflection": 0.0074626355942814145, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.462)" + }, + "parent_node_id": "node_2123", + "improvement_over_parent": null + }, + "node_2125": { + "node_id": "node_2125", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.303742777821, + "fos_buckling": 1.5376960311438372, + "fos_yielding": 14.269397428988649, + "deflection": 0.005953865211985617, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2124", + "improvement_over_parent": null + }, + "node_2126": { + "node_id": "node_2126", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2125", + "improvement_over_parent": null + }, + "node_2127": { + "node_id": "node_2127", + "content": "INITIAL DESIGN (Trace 315)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2128": { + "node_id": "node_2128", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 280.01 kg\n Factor of Safety: 0.06\n Max Deflection: 1.77e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.0142319108459, + "fos_buckling": 0.0553024096658451, + "fos_yielding": 0.4522366192143577, + "deflection": 177212615220344.94, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007211)" + }, + "parent_node_id": "node_2127", + "improvement_over_parent": null + }, + "node_2129": { + "node_id": "node_2129", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 350.38 kg\n Factor of Safety: 0.52\n Max Deflection: 1.44e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.38088530085145, + "fos_buckling": 0.5181490244151169, + "fos_yielding": 6.025486499525986, + "deflection": 0.014410370963713904, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008989)" + }, + "parent_node_id": "node_2128", + "improvement_over_parent": null + }, + "node_2130": { + "node_id": "node_2130", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 390.54 kg\n Factor of Safety: 0.52\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.5444062526341, + "fos_buckling": 0.5168305905689492, + "fos_yielding": 6.01035099722803, + "deflection": 0.01301668428785121, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007211)" + }, + "parent_node_id": "node_2129", + "improvement_over_parent": null + }, + "node_2131": { + "node_id": "node_2131", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.73 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.72924927305206, + "fos_buckling": 0.5929330891271948, + "fos_yielding": 7.073012110199201, + "deflection": 0.01103378915626606, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_2130", + "improvement_over_parent": null + }, + "node_2132": { + "node_id": "node_2132", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1244817064135, + "fos_buckling": 1.5373304839629156, + "fos_yielding": 14.265610158573093, + "deflection": 0.005955638707991288, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2131", + "improvement_over_parent": null + }, + "node_2133": { + "node_id": "node_2133", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2132", + "improvement_over_parent": null + }, + "node_2134": { + "node_id": "node_2134", + "content": "INITIAL DESIGN (Trace 316)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 217.04 kg\n Factor of Safety: 0.07\n Max Deflection: 1.51e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 217.03739135075443, + "fos_buckling": 0.07017876640342627, + "fos_yielding": 1.1493132050545931, + "deflection": 151034430327179.06, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2135": { + "node_id": "node_2135", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 275.59 kg\n Factor of Safety: 92.67\n Max Deflection: 1.62e+14 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 275.58547602113964, + "fos_buckling": 92.66533842915901, + "fos_yielding": 2.2986264101091862, + "deflection": 162481896755984.53, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007381)" + }, + "parent_node_id": "node_2134", + "improvement_over_parent": null + }, + "node_2136": { + "node_id": "node_2136", + "content": "MODIFICATION: Increase 6 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 277.33 kg\n Factor of Safety: 92.67\n Max Deflection: 1.62e+14 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 277.33167748293835, + "fos_buckling": 92.66533842915901, + "fos_yielding": 2.2986264101091862, + "deflection": 162481896755984.53, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.370)" + }, + "parent_node_id": "node_2135", + "improvement_over_parent": null + }, + "node_2137": { + "node_id": "node_2137", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 335.88 kg\n Factor of Safety: 0.75\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.87976215332355, + "fos_buckling": 0.7451994696809271, + "fos_yielding": 8.853042692123983, + "deflection": 0.010578511253697177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007381)" + }, + "parent_node_id": "node_2136", + "improvement_over_parent": null + }, + "node_2138": { + "node_id": "node_2138", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 409.28 kg\n Factor of Safety: 0.88\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 409.276031640656, + "fos_buckling": 0.8801129008420331, + "fos_yielding": 10.73757802435954, + "deflection": 0.008720545653984451, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_2137", + "improvement_over_parent": null + }, + "node_2139": { + "node_id": "node_2139", + "content": "MODIFICATION: Increase 5 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 412.42 kg\n Factor of Safety: 0.88\n Max Deflection: 8.68e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 412.41910403630624, + "fos_buckling": 0.8797628789599415, + "fos_yielding": 10.733307677605618, + "deflection": 0.008680474104973104, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.427)" + }, + "parent_node_id": "node_2138", + "improvement_over_parent": null + }, + "node_2140": { + "node_id": "node_2140", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 481.88 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.881954810926, + "fos_buckling": 0.9975863968735283, + "fos_yielding": 12.4869300171708, + "deflection": 0.007461231372398969, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_2139", + "improvement_over_parent": null + }, + "node_2141": { + "node_id": "node_2141", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.01 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0146077035466, + "fos_buckling": 1.536963338220702, + "fos_yielding": 14.258638481747974, + "deflection": 0.005957045246341343, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2140", + "improvement_over_parent": null + }, + "node_2142": { + "node_id": "node_2142", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2141", + "improvement_over_parent": null + }, + "node_2143": { + "node_id": "node_2143", + "content": "INITIAL DESIGN (Trace 317)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2144": { + "node_id": "node_2144", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1465619988734, + "fos_buckling": 0.9980356238604884, + "fos_yielding": 12.493083165612479, + "deflection": 0.007457272458590764, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2143", + "improvement_over_parent": null + }, + "node_2145": { + "node_id": "node_2145", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691677, + "deflection": 0.005954037788644468, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2144", + "improvement_over_parent": null + }, + "node_2146": { + "node_id": "node_2146", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2145", + "improvement_over_parent": null + }, + "node_2147": { + "node_id": "node_2147", + "content": "INITIAL DESIGN (Trace 318)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 287.84 kg\n Factor of Safety: 0.35\n Max Deflection: 1.75e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 287.8423181295183, + "fos_buckling": 0.35459873299789413, + "fos_yielding": 3.688028209444967, + "deflection": 0.01752951419940422, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2148": { + "node_id": "node_2148", + "content": "MODIFICATION: Increase 2 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 295.76 kg\n Factor of Safety: 0.35\n Max Deflection: 1.74e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.7619571862631, + "fos_buckling": 0.3544215022260439, + "fos_yielding": 3.6861849087635483, + "deflection": 0.01740453855575991, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.370)" + }, + "parent_node_id": "node_2147", + "improvement_over_parent": null + }, + "node_2149": { + "node_id": "node_2149", + "content": "MODIFICATION: Increase 6 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n\nPerformance:\n Mass: 297.01 kg\n Factor of Safety: 0.41\n Max Deflection: 1.70e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 297.00572199355406, + "fos_buckling": 0.40934882259443645, + "fos_yielding": 4.61313083120861, + "deflection": 0.017019355422354294, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.266)" + }, + "parent_node_id": "node_2148", + "improvement_over_parent": null + }, + "node_2150": { + "node_id": "node_2150", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 378.17 kg\n Factor of Safety: 0.50\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.16699265996135, + "fos_buckling": 0.5031627883702753, + "fos_yielding": 5.828607178306084, + "deflection": 0.013432306604772517, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.294)" + }, + "parent_node_id": "node_2149", + "improvement_over_parent": null + }, + "node_2151": { + "node_id": "node_2151", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.23 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.2255358308353, + "fos_buckling": 0.5934079749081591, + "fos_yielding": 7.082560570688045, + "deflection": 0.01102196495873913, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_2150", + "improvement_over_parent": null + }, + "node_2152": { + "node_id": "node_2152", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.62 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6207682641967, + "fos_buckling": 1.5378935810185221, + "fos_yielding": 14.278809385632304, + "deflection": 0.005950514684918065, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2151", + "improvement_over_parent": null + }, + "node_2153": { + "node_id": "node_2153", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2152", + "improvement_over_parent": null + }, + "node_2154": { + "node_id": "node_2154", + "content": "INITIAL DESIGN (Trace 319)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 410.96 kg\n Factor of Safety: 0.60\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.9608756329394, + "fos_buckling": 0.5951655433873653, + "fos_yielding": 6.691434598865158, + "deflection": 0.01255175014296008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2155": { + "node_id": "node_2155", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 494.36 kg\n Factor of Safety: 1.00\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.35610806630086, + "fos_buckling": 0.9975397964766207, + "fos_yielding": 12.486876560763555, + "deflection": 0.007504319390538607, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2154", + "improvement_over_parent": null + }, + "node_2156": { + "node_id": "node_2156", + "content": "MODIFICATION: Increase 4 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6788203990277, + "fos_buckling": 0.9969971085128964, + "fos_yielding": 12.480083370518948, + "deflection": 0.0074628333631040445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.548)" + }, + "parent_node_id": "node_2155", + "improvement_over_parent": null + }, + "node_2157": { + "node_id": "node_2157", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2815848595307, + "fos_buckling": 1.5376910531508978, + "fos_yielding": 14.273512003910891, + "deflection": 0.005953961831033543, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2156", + "improvement_over_parent": null + }, + "node_2158": { + "node_id": "node_2158", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2157", + "improvement_over_parent": null + }, + "node_2159": { + "node_id": "node_2159", + "content": "INITIAL DESIGN (Trace 320)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 238.47 kg\n Factor of Safety: 0.59\n Max Deflection: 1.73e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.4711753077259, + "fos_buckling": 0.5902456712858485, + "fos_yielding": 5.907934563940703, + "deflection": 0.01733873160449721, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2160": { + "node_id": "node_2160", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n\nPerformance:\n Mass: 245.44 kg\n Factor of Safety: 0.59\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 245.4395119043249, + "fos_buckling": 0.5897197495988473, + "fos_yielding": 6.813477056133387, + "deflection": 0.014281296993535217, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003230)" + }, + "parent_node_id": "node_2159", + "improvement_over_parent": null + }, + "node_2161": { + "node_id": "node_2161", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0029)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n\nPerformance:\n Mass: 279.90 kg\n Factor of Safety: 0.71\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.9018936646248, + "fos_buckling": 0.7066287576545515, + "fos_yielding": 7.838348337904095, + "deflection": 0.011491187714829975, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004882)" + }, + "parent_node_id": "node_2160", + "improvement_over_parent": null + }, + "node_2162": { + "node_id": "node_2162", + "content": "MODIFICATION: Increase 3 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n\nPerformance:\n Mass: 288.75 kg\n Factor of Safety: 0.91\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.7499521841436, + "fos_buckling": 0.9077201252824727, + "fos_yielding": 7.438248552226311, + "deflection": 0.01117254570152979, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.553)" + }, + "parent_node_id": "node_2161", + "improvement_over_parent": null + }, + "node_2163": { + "node_id": "node_2163", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 348.86 kg\n Factor of Safety: 1.07\n Max Deflection: 9.28e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.8554448607822, + "fos_buckling": 1.0721861767249663, + "fos_yielding": 8.997316595566302, + "deflection": 0.00928069837404916, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.220)" + }, + "parent_node_id": "node_2162", + "improvement_over_parent": null + }, + "node_2164": { + "node_id": "node_2164", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 430.78 kg\n Factor of Safety: 1.28\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.7842205933218, + "fos_buckling": 1.283148018675886, + "fos_yielding": 11.128603488981046, + "deflection": 0.007552142566138262, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.252)" + }, + "parent_node_id": "node_2163", + "improvement_over_parent": null + }, + "node_2165": { + "node_id": "node_2165", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 537.67 kg\n Factor of Safety: 1.54\n Max Deflection: 6.09e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 537.6734822503953, + "fos_buckling": 1.5358136841162229, + "fos_yielding": 13.920093092473989, + "deflection": 0.006088849875978227, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.272)" + }, + "parent_node_id": "node_2164", + "improvement_over_parent": null + }, + "node_2166": { + "node_id": "node_2166", + "content": "MODIFICATION: Increase 1 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2152040870866, + "fos_buckling": 1.5375712897899905, + "fos_yielding": 14.265999943362473, + "deflection": 0.0059548727678512626, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.176)" + }, + "parent_node_id": "node_2165", + "improvement_over_parent": null + }, + "node_2167": { + "node_id": "node_2167", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2166", + "improvement_over_parent": null + }, + "node_2168": { + "node_id": "node_2168", + "content": "INITIAL DESIGN (Trace 321)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0036)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 283.07 kg\n Factor of Safety: 0.69\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 283.0728577658854, + "fos_buckling": 0.6868995840071325, + "fos_yielding": 7.147592434268064, + "deflection": 0.011625854382842877, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2169": { + "node_id": "node_2169", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0042)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 326.85 kg\n Factor of Safety: 0.79\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 326.8542185270317, + "fos_buckling": 0.785248086480397, + "fos_yielding": 8.262370903380596, + "deflection": 0.010092631812560968, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_2168", + "improvement_over_parent": null + }, + "node_2170": { + "node_id": "node_2170", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 418.04 kg\n Factor of Safety: 0.98\n Max Deflection: 7.93e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.0448727999929, + "fos_buckling": 0.983379989604748, + "fos_yielding": 10.592670273488636, + "deflection": 0.007929999557735387, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.299)" + }, + "parent_node_id": "node_2169", + "improvement_over_parent": null + }, + "node_2171": { + "node_id": "node_2171", + "content": "MODIFICATION: Increase 7 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 441.46 kg\n Factor of Safety: 1.29\n Max Deflection: 7.32e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.4600997132368, + "fos_buckling": 1.293656933060562, + "fos_yielding": 11.505886105681379, + "deflection": 0.007321403679800994, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.572)" + }, + "parent_node_id": "node_2170", + "improvement_over_parent": null + }, + "node_2172": { + "node_id": "node_2172", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.40 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.397348681193, + "fos_buckling": 1.5378179003403385, + "fos_yielding": 14.27299801538701, + "deflection": 0.005952816251121666, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_2171", + "improvement_over_parent": null + }, + "node_2173": { + "node_id": "node_2173", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2172", + "improvement_over_parent": null + }, + "node_2174": { + "node_id": "node_2174", + "content": "INITIAL DESIGN (Trace 322)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n\nPerformance:\n Mass: 196.05 kg\n Factor of Safety: 0.01\n Max Deflection: 1.08e+15 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 196.04799886434643, + "fos_buckling": 0.00718003292871247, + "fos_yielding": 0.05652957740179471, + "deflection": 1081040719342134.9, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2175": { + "node_id": "node_2175", + "content": "MODIFICATION: Increase 6 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n\nPerformance:\n Mass: 206.86 kg\n Factor of Safety: 0.13\n Max Deflection: 2.15e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 206.85762214727646, + "fos_buckling": 0.12628185488930416, + "fos_yielding": 1.741129937913964, + "deflection": 215305915402707.66, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.391)" + }, + "parent_node_id": "node_2174", + "improvement_over_parent": null + }, + "node_2176": { + "node_id": "node_2176", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 255.73 kg\n Factor of Safety: 0.11\n Max Deflection: 5.37e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 255.73218661902706, + "fos_buckling": 0.11202379446834455, + "fos_yielding": 0.9044732384287156, + "deflection": 53693634505337.836, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_2175", + "improvement_over_parent": null + }, + "node_2177": { + "node_id": "node_2177", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 320.03 kg\n Factor of Safety: 0.48\n Max Deflection: 1.57e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.0255913584516, + "fos_buckling": 0.48017366640564746, + "fos_yielding": 5.519572809103402, + "deflection": 0.015748111795925456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008157)" + }, + "parent_node_id": "node_2176", + "improvement_over_parent": null + }, + "node_2178": { + "node_id": "node_2178", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.08 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.08205878348133, + "fos_buckling": 0.594574174590859, + "fos_yielding": 7.092519420408126, + "deflection": 0.012211921890335597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_2177", + "improvement_over_parent": null + }, + "node_2179": { + "node_id": "node_2179", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.68 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.6848232439843, + "fos_buckling": 0.5927890989030574, + "fos_yielding": 7.071546627721977, + "deflection": 0.01103567610725954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2178", + "improvement_over_parent": null + }, + "node_2180": { + "node_id": "node_2180", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.08 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0800556773457, + "fos_buckling": 1.537509377978371, + "fos_yielding": 14.263460776320512, + "deflection": 0.00595609206716698, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2179", + "improvement_over_parent": null + }, + "node_2181": { + "node_id": "node_2181", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2180", + "improvement_over_parent": null + }, + "node_2182": { + "node_id": "node_2182", + "content": "INITIAL DESIGN (Trace 323)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 316.71 kg\n Factor of Safety: 0.73\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.71306332134566, + "fos_buckling": 0.7339359275436459, + "fos_yielding": 8.699562900639181, + "deflection": 0.011325395229184456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2183": { + "node_id": "node_2183", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 360.91 kg\n Factor of Safety: 1.06\n Max Deflection: 9.20e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.914525755774, + "fos_buckling": 1.0567878835796631, + "fos_yielding": 9.064797741475656, + "deflection": 0.00920258051662751, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006347)" + }, + "parent_node_id": "node_2182", + "improvement_over_parent": null + }, + "node_2184": { + "node_id": "node_2184", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 447.32 kg\n Factor of Safety: 1.27\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.3174722816572, + "fos_buckling": 1.2679625761215798, + "fos_yielding": 11.25437844005926, + "deflection": 0.007459541959795354, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_2183", + "improvement_over_parent": null + }, + "node_2185": { + "node_id": "node_2185", + "content": "MODIFICATION: Increase 1 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 466.40 kg\n Factor of Safety: 1.35\n Max Deflection: 6.94e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.3953712126575, + "fos_buckling": 1.3539758110332576, + "fos_yielding": 12.162142995389745, + "deflection": 0.00694043324683487, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.610)" + }, + "parent_node_id": "node_2184", + "improvement_over_parent": null + }, + "node_2186": { + "node_id": "node_2186", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.64 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6385394340956, + "fos_buckling": 1.5385213892387997, + "fos_yielding": 14.279210464356472, + "deflection": 0.00595029072688471, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.189)" + }, + "parent_node_id": "node_2185", + "improvement_over_parent": null + }, + "node_2187": { + "node_id": "node_2187", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2186", + "improvement_over_parent": null + }, + "node_2188": { + "node_id": "node_2188", + "content": "INITIAL DESIGN (Trace 324)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n\nPerformance:\n Mass: 225.30 kg\n Factor of Safety: 0.45\n Max Deflection: 1.37e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 225.29761457243904, + "fos_buckling": 0.4524496891260347, + "fos_yielding": 3.6178929537148616, + "deflection": 13716261537847.535, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2189": { + "node_id": "node_2189", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 278.93 kg\n Factor of Safety: 0.29\n Max Deflection: 1.51e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.9277627049059, + "fos_buckling": 0.28802167198120704, + "fos_yielding": 2.8959196144060972, + "deflection": 151419797086414.12, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_2188", + "improvement_over_parent": null + }, + "node_2190": { + "node_id": "node_2190", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 352.71 kg\n Factor of Safety: 0.66\n Max Deflection: 3.34e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.7071226174105, + "fos_buckling": 0.6585200499201334, + "fos_yielding": 7.298699660676019, + "deflection": 33433099307644.72, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009462)" + }, + "parent_node_id": "node_2189", + "improvement_over_parent": null + }, + "node_2191": { + "node_id": "node_2191", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 409.45 kg\n Factor of Safety: 0.54\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 409.4467016322217, + "fos_buckling": 0.5372712919958292, + "fos_yielding": 6.289745256010331, + "deflection": 0.012429613594513713, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008298)" + }, + "parent_node_id": "node_2190", + "improvement_over_parent": null + }, + "node_2192": { + "node_id": "node_2192", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.74 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.73654968157496, + "fos_buckling": 0.5928782556636181, + "fos_yielding": 7.072816803264626, + "deflection": 0.011033392480531543, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_2191", + "improvement_over_parent": null + }, + "node_2193": { + "node_id": "node_2193", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.13 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1317821149364, + "fos_buckling": 1.5374111853688583, + "fos_yielding": 14.265458414350293, + "deflection": 0.0059555804446571325, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2192", + "improvement_over_parent": null + }, + "node_2194": { + "node_id": "node_2194", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2193", + "improvement_over_parent": null + }, + "node_2195": { + "node_id": "node_2195", + "content": "INITIAL DESIGN (Trace 325)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 346.47 kg\n Factor of Safety: 0.77\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.46971253561907, + "fos_buckling": 0.7651274306304466, + "fos_yielding": 9.123756168710871, + "deflection": 0.010465132927723223, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2196": { + "node_id": "node_2196", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 424.02 kg\n Factor of Safety: 0.91\n Max Deflection: 8.59e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.01756223399036, + "fos_buckling": 0.9055366082489497, + "fos_yielding": 11.106481060357147, + "deflection": 0.008593193919693019, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_2195", + "improvement_over_parent": null + }, + "node_2197": { + "node_id": "node_2197", + "content": "MODIFICATION: Increase 7 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 441.71 kg\n Factor of Safety: 0.90\n Max Deflection: 8.40e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.70691082127723, + "fos_buckling": 0.9045250483710833, + "fos_yielding": 11.094074195165177, + "deflection": 0.008395793091071939, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.490)" + }, + "parent_node_id": "node_2196", + "improvement_over_parent": null + }, + "node_2198": { + "node_id": "node_2198", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.79 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.7894908094141, + "fos_buckling": 0.9972093919317169, + "fos_yielding": 12.483343630632481, + "deflection": 0.00746103436950897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_2197", + "improvement_over_parent": null + }, + "node_2199": { + "node_id": "node_2199", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3922552699171, + "fos_buckling": 1.5379549721695802, + "fos_yielding": 14.274725702305817, + "deflection": 0.005952704472987533, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2198", + "improvement_over_parent": null + }, + "node_2200": { + "node_id": "node_2200", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2199", + "improvement_over_parent": null + }, + "node_2201": { + "node_id": "node_2201", + "content": "INITIAL DESIGN (Trace 326)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 334.35 kg\n Factor of Safety: 0.81\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.3456265776649, + "fos_buckling": 0.8109765477767783, + "fos_yielding": 7.751475455501298, + "deflection": 0.01105346793004414, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2202": { + "node_id": "node_2202", + "content": "MODIFICATION: Increase 1 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 347.17 kg\n Factor of Safety: 0.81\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.17147249857214, + "fos_buckling": 0.8110877462204401, + "fos_yielding": 7.745160711058898, + "deflection": 0.010726198147359955, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.391)" + }, + "parent_node_id": "node_2201", + "improvement_over_parent": null + }, + "node_2203": { + "node_id": "node_2203", + "content": "MODIFICATION: Increase 5 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 349.69 kg\n Factor of Safety: 0.81\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.69421203271, + "fos_buckling": 0.8110877462204406, + "fos_yielding": 7.745160711058903, + "deflection": 0.01061810459231744, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.546)" + }, + "parent_node_id": "node_2202", + "improvement_over_parent": null + }, + "node_2204": { + "node_id": "node_2204", + "content": "MODIFICATION: Increase 7 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 360.70 kg\n Factor of Safety: 0.81\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.7021661223727, + "fos_buckling": 0.8105210422066982, + "fos_yielding": 7.739749195865268, + "deflection": 0.010624990383975923, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.305)" + }, + "parent_node_id": "node_2203", + "improvement_over_parent": null + }, + "node_2205": { + "node_id": "node_2205", + "content": "MODIFICATION: Increase 0 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 370.61 kg\n Factor of Safety: 0.81\n Max Deflection: 9.94e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.61215384005743, + "fos_buckling": 0.8100115398922678, + "fos_yielding": 9.749456254570864, + "deflection": 0.009935056448493967, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.279)" + }, + "parent_node_id": "node_2204", + "improvement_over_parent": null + }, + "node_2206": { + "node_id": "node_2206", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 478.70 kg\n Factor of Safety: 1.00\n Max Deflection: 7.74e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.69608781575624, + "fos_buckling": 0.997903642146886, + "fos_yielding": 12.498255828798143, + "deflection": 0.0077423861501881045, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_2205", + "improvement_over_parent": null + }, + "node_2207": { + "node_id": "node_2207", + "content": "MODIFICATION: Increase 9 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.49 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.49319325322176, + "fos_buckling": 0.9966604759261256, + "fos_yielding": 12.482685778937057, + "deflection": 0.007464593160639062, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.342)" + }, + "parent_node_id": "node_2206", + "improvement_over_parent": null + }, + "node_2208": { + "node_id": "node_2208", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.10 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0959577137247, + "fos_buckling": 1.5366340940565777, + "fos_yielding": 14.264171363363753, + "deflection": 0.005955839931304522, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2207", + "improvement_over_parent": null + }, + "node_2209": { + "node_id": "node_2209", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2208", + "improvement_over_parent": null + }, + "node_2210": { + "node_id": "node_2210", + "content": "INITIAL DESIGN (Trace 327)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n\nPerformance:\n Mass: 223.40 kg\n Factor of Safety: 0.46\n Max Deflection: 2.75e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 223.4027556572996, + "fos_buckling": 0.46221636122638493, + "fos_yielding": 6.947596457730071, + "deflection": 27514678957016.65, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2211": { + "node_id": "node_2211", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 260.13 kg\n Factor of Safety: 0.89\n Max Deflection: 2.25e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 260.1341928308202, + "fos_buckling": 0.8896665362673266, + "fos_yielding": 11.110004117171487, + "deflection": 22524917626346.3, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_2210", + "improvement_over_parent": null + }, + "node_2212": { + "node_id": "node_2212", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n\nPerformance:\n Mass: 301.94 kg\n Factor of Safety: 0.42\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.9418089640784, + "fos_buckling": 0.4153078686441873, + "fos_yielding": 4.686629610896458, + "deflection": 0.01674865086474924, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005983)" + }, + "parent_node_id": "node_2211", + "improvement_over_parent": null + }, + "node_2213": { + "node_id": "node_2213", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 334.52 kg\n Factor of Safety: 0.45\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.51574651279054, + "fos_buckling": 0.4536879412710886, + "fos_yielding": 5.176161914263958, + "deflection": 0.015147482274952101, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_2212", + "improvement_over_parent": null + }, + "node_2214": { + "node_id": "node_2214", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 408.29 kg\n Factor of Safety: 0.54\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.293981961959, + "fos_buckling": 0.5361088527974549, + "fos_yielding": 6.273800838057401, + "deflection": 0.012465564008035526, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_2213", + "improvement_over_parent": null + }, + "node_2215": { + "node_id": "node_2215", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.29 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.28605357676196, + "fos_buckling": 0.593515430437748, + "fos_yielding": 7.082058735677979, + "deflection": 0.011022169620860826, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.148)" + }, + "parent_node_id": "node_2214", + "improvement_over_parent": null + }, + "node_2216": { + "node_id": "node_2216", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.68 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6812860101234, + "fos_buckling": 1.5377722234185776, + "fos_yielding": 14.282768432140523, + "deflection": 0.005949726354220489, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2215", + "improvement_over_parent": null + }, + "node_2217": { + "node_id": "node_2217", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2216", + "improvement_over_parent": null + }, + "node_2218": { + "node_id": "node_2218", + "content": "INITIAL DESIGN (Trace 328)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 289.26 kg\n Factor of Safety: 0.77\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 289.2595398499546, + "fos_buckling": 0.7713636134366979, + "fos_yielding": 7.617099018487498, + "deflection": 0.01119250588945099, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2219": { + "node_id": "node_2219", + "content": "MODIFICATION: Increase 0 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 294.22 kg\n Factor of Safety: 0.77\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.22328729413016, + "fos_buckling": 0.7686808980024865, + "fos_yielding": 7.817322800181608, + "deflection": 0.01092706284834026, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.182)" + }, + "parent_node_id": "node_2218", + "improvement_over_parent": null + }, + "node_2220": { + "node_id": "node_2220", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 385.50 kg\n Factor of Safety: 0.98\n Max Deflection: 8.39e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.5048744778264, + "fos_buckling": 0.9792426028409738, + "fos_yielding": 10.154582726488464, + "deflection": 0.008386220492437623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.330)" + }, + "parent_node_id": "node_2219", + "improvement_over_parent": null + }, + "node_2221": { + "node_id": "node_2221", + "content": "MODIFICATION: Increase 6 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 387.58 kg\n Factor of Safety: 1.16\n Max Deflection: 8.31e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.5765780436844, + "fos_buckling": 1.1590912556167812, + "fos_yielding": 10.089659706640894, + "deflection": 0.008311994155055093, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.462)" + }, + "parent_node_id": "node_2220", + "improvement_over_parent": null + }, + "node_2222": { + "node_id": "node_2222", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 437.35 kg\n Factor of Safety: 1.28\n Max Deflection: 7.39e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.3485605113176, + "fos_buckling": 1.2836487860883774, + "fos_yielding": 11.397507014956417, + "deflection": 0.007388283936992873, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_2221", + "improvement_over_parent": null + }, + "node_2223": { + "node_id": "node_2223", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 547.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.94e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.271857903272, + "fos_buckling": 1.5397931976790658, + "fos_yielding": 14.2958498856696, + "deflection": 0.005943526546299575, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_2222", + "improvement_over_parent": null + }, + "node_2224": { + "node_id": "node_2224", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2223", + "improvement_over_parent": null + }, + "node_2225": { + "node_id": "node_2225", + "content": "INITIAL DESIGN (Trace 329)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n\nPerformance:\n Mass: 282.27 kg\n Factor of Safety: 0.68\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 282.26608480683365, + "fos_buckling": 0.6760627923478246, + "fos_yielding": 8.181433213872529, + "deflection": 0.01289102554841616, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2226": { + "node_id": "node_2226", + "content": "MODIFICATION: Increase 1 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n\nPerformance:\n Mass: 295.06 kg\n Factor of Safety: 0.69\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.0628643618152, + "fos_buckling": 0.6946609693762457, + "fos_yielding": 8.174760497825233, + "deflection": 0.012385645636328407, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.497)" + }, + "parent_node_id": "node_2225", + "improvement_over_parent": null + }, + "node_2227": { + "node_id": "node_2227", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 369.81 kg\n Factor of Safety: 0.84\n Max Deflection: 9.93e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.8145231549473, + "fos_buckling": 0.8417666109156468, + "fos_yielding": 10.187431356092935, + "deflection": 0.009925053556487961, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.271)" + }, + "parent_node_id": "node_2226", + "improvement_over_parent": null + }, + "node_2228": { + "node_id": "node_2228", + "content": "MODIFICATION: Increase 9 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 391.74 kg\n Factor of Safety: 0.84\n Max Deflection: 9.35e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.7392724986275, + "fos_buckling": 0.8405974899626408, + "fos_yielding": 10.17328213788771, + "deflection": 0.009348056537304392, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.517)" + }, + "parent_node_id": "node_2227", + "improvement_over_parent": null + }, + "node_2229": { + "node_id": "node_2229", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n\nPerformance:\n Mass: 430.26 kg\n Factor of Safety: 1.11\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.25757671451936, + "fos_buckling": 1.1130149239736875, + "fos_yielding": 12.073873427523086, + "deflection": 0.007473571927755358, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006893)" + }, + "parent_node_id": "node_2228", + "improvement_over_parent": null + }, + "node_2230": { + "node_id": "node_2230", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 531.95 kg\n Factor of Safety: 1.34\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.9534399202671, + "fos_buckling": 1.3412901813228226, + "fos_yielding": 14.95052735518558, + "deflection": 0.006081732171333553, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.259)" + }, + "parent_node_id": "node_2229", + "improvement_over_parent": null + }, + "node_2231": { + "node_id": "node_2231", + "content": "MODIFICATION: Increase 3 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0080)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 536.01 kg\n Factor of Safety: 1.34\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 536.0070229881645, + "fos_buckling": 1.3433332181071516, + "fos_yielding": 14.755197784926033, + "deflection": 0.006042520085734858, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.486)" + }, + "parent_node_id": "node_2230", + "improvement_over_parent": null + }, + "node_2232": { + "node_id": "node_2232", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2231", + "improvement_over_parent": null + }, + "node_2233": { + "node_id": "node_2233", + "content": "INITIAL DESIGN (Trace 330)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 288.74 kg\n Factor of Safety: 0.63\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.7438162265381, + "fos_buckling": 0.6293128639035115, + "fos_yielding": 7.321707876237184, + "deflection": 0.012723101250621777, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2234": { + "node_id": "node_2234", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 369.62 kg\n Factor of Safety: 0.78\n Max Deflection: 9.99e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.6235645201783, + "fos_buckling": 0.779720393754708, + "fos_yielding": 9.325105263607604, + "deflection": 0.009988928307061152, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.299)" + }, + "parent_node_id": "node_2233", + "improvement_over_parent": null + }, + "node_2235": { + "node_id": "node_2235", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 451.95 kg\n Factor of Safety: 0.92\n Max Deflection: 8.21e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.9498100945713, + "fos_buckling": 0.9215188087950893, + "fos_yielding": 11.343594298327668, + "deflection": 0.008210865963588604, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_2234", + "improvement_over_parent": null + }, + "node_2236": { + "node_id": "node_2236", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.82973389945664, + "fos_buckling": 0.9972373340364904, + "fos_yielding": 12.48377732097775, + "deflection": 0.007460621344024446, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_2235", + "improvement_over_parent": null + }, + "node_2237": { + "node_id": "node_2237", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4324983599596, + "fos_buckling": 1.5380237343920418, + "fos_yielding": 14.274725673577924, + "deflection": 0.005952371989171693, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2236", + "improvement_over_parent": null + }, + "node_2238": { + "node_id": "node_2238", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2237", + "improvement_over_parent": null + }, + "node_2239": { + "node_id": "node_2239", + "content": "INITIAL DESIGN (Trace 331)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0046)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0025)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0034)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 295.66 kg\n Factor of Safety: 0.66\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.6558914291206, + "fos_buckling": 0.6583316081904363, + "fos_yielding": 9.086798418084562, + "deflection": 0.010832475182989834, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2240": { + "node_id": "node_2240", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0032)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 368.79 kg\n Factor of Safety: 0.81\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.78595407277066, + "fos_buckling": 0.8106350200488582, + "fos_yielding": 11.310096696131898, + "deflection": 0.008719990991619618, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_2239", + "improvement_over_parent": null + }, + "node_2241": { + "node_id": "node_2241", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 430.11 kg\n Factor of Safety: 0.94\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.10883324232555, + "fos_buckling": 0.9351897191078183, + "fos_yielding": 13.168408067227146, + "deflection": 0.007502238775322238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.179)" + }, + "parent_node_id": "node_2240", + "improvement_over_parent": null + }, + "node_2242": { + "node_id": "node_2242", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 488.91 kg\n Factor of Safety: 1.05\n Max Deflection: 6.62e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 488.9066772925861, + "fos_buckling": 1.0519326855850863, + "fos_yielding": 14.94567257762303, + "deflection": 0.0066214336779431325, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.149)" + }, + "parent_node_id": "node_2241", + "improvement_over_parent": null + }, + "node_2243": { + "node_id": "node_2243", + "content": "MODIFICATION: Increase 9 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 511.81 kg\n Factor of Safety: 1.06\n Max Deflection: 6.43e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 511.80708043297903, + "fos_buckling": 1.057293808280604, + "fos_yielding": 14.87926950534473, + "deflection": 0.006430813526988853, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.610)" + }, + "parent_node_id": "node_2242", + "improvement_over_parent": null + }, + "node_2244": { + "node_id": "node_2244", + "content": "MODIFICATION: Increase 2 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.73 kg\n Factor of Safety: 1.29\n Max Deflection: 6.27e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.7333320135751, + "fos_buckling": 1.2897948349386203, + "fos_yielding": 14.34691406988808, + "deflection": 0.006269957270822696, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.429)" + }, + "parent_node_id": "node_2243", + "improvement_over_parent": null + }, + "node_2245": { + "node_id": "node_2245", + "content": "MODIFICATION: Increase 2 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 534.72 kg\n Factor of Safety: 1.53\n Max Deflection: 6.14e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 534.7199442238988, + "fos_buckling": 1.5345665909906316, + "fos_yielding": 13.795167324494612, + "deflection": 0.006141248202191985, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.412)" + }, + "parent_node_id": "node_2244", + "improvement_over_parent": null + }, + "node_2246": { + "node_id": "node_2246", + "content": "MODIFICATION: Increase 0 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.96 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9636600119929, + "fos_buckling": 1.53701353015242, + "fos_yielding": 14.265072742778326, + "deflection": 0.005957132596457039, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.244)" + }, + "parent_node_id": "node_2245", + "improvement_over_parent": null + }, + "node_2247": { + "node_id": "node_2247", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2246", + "improvement_over_parent": null + }, + "node_2248": { + "node_id": "node_2248", + "content": "INITIAL DESIGN (Trace 332)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 319.69 kg\n Factor of Safety: 0.69\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 319.68722679146947, + "fos_buckling": 0.6881668190792724, + "fos_yielding": 8.09058324095133, + "deflection": 0.011513648973051729, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2249": { + "node_id": "node_2249", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 416.96 kg\n Factor of Safety: 0.86\n Max Deflection: 8.88e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.9626396059583, + "fos_buckling": 0.8626387137177518, + "fos_yielding": 10.488308750434662, + "deflection": 0.008880719729030758, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_2248", + "improvement_over_parent": null + }, + "node_2250": { + "node_id": "node_2250", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n\nPerformance:\n Mass: 445.98 kg\n Factor of Safety: 1.19\n Max Deflection: 7.22e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.9816998249203, + "fos_buckling": 1.1859905980731291, + "fos_yielding": 12.376740987178968, + "deflection": 0.0072158039458440695, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005099)" + }, + "parent_node_id": "node_2249", + "improvement_over_parent": null + }, + "node_2251": { + "node_id": "node_2251", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 533.46 kg\n Factor of Safety: 1.39\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.458416891819, + "fos_buckling": 1.3855541161790157, + "fos_yielding": 14.824653879118067, + "deflection": 0.00606437701679135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_2250", + "improvement_over_parent": null + }, + "node_2252": { + "node_id": "node_2252", + "content": "MODIFICATION: Increase 2 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0122)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 550.11 kg\n Factor of Safety: 1.39\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 550.1126963339944, + "fos_buckling": 1.3891455972125948, + "fos_yielding": 14.359377073496516, + "deflection": 0.005977206951560668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.401)" + }, + "parent_node_id": "node_2251", + "improvement_over_parent": null + }, + "node_2253": { + "node_id": "node_2253", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2252", + "improvement_over_parent": null + }, + "node_2254": { + "node_id": "node_2254", + "content": "INITIAL DESIGN (Trace 333)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0030)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0039)]\n\nPerformance:\n Mass: 251.97 kg\n Factor of Safety: 0.45\n Max Deflection: 1.90e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.96608901357516, + "fos_buckling": 0.45001029798072667, + "fos_yielding": 5.3747145101561, + "deflection": 0.018994220695658107, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2255": { + "node_id": "node_2255", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n\nPerformance:\n Mass: 298.75 kg\n Factor of Safety: 0.53\n Max Deflection: 1.60e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 298.7547620029141, + "fos_buckling": 0.5272706211739989, + "fos_yielding": 6.371992508187333, + "deflection": 0.016040786328206637, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.195)" + }, + "parent_node_id": "node_2254", + "improvement_over_parent": null + }, + "node_2256": { + "node_id": "node_2256", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n\nPerformance:\n Mass: 306.66 kg\n Factor of Safety: 0.78\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 306.664697962595, + "fos_buckling": 0.7752379083509988, + "fos_yielding": 8.716130226878146, + "deflection": 0.010547971079115448, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003690)" + }, + "parent_node_id": "node_2255", + "improvement_over_parent": null + }, + "node_2257": { + "node_id": "node_2257", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 370.45 kg\n Factor of Safety: 0.92\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.450329143768, + "fos_buckling": 0.9203903313825599, + "fos_yielding": 10.535265652960309, + "deflection": 0.008762808769771683, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.221)" + }, + "parent_node_id": "node_2256", + "improvement_over_parent": null + }, + "node_2258": { + "node_id": "node_2258", + "content": "MODIFICATION: Increase 10 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0061)]\n\nPerformance:\n Mass: 373.56 kg\n Factor of Safety: 0.93\n Max Deflection: 8.65e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.56470651392914, + "fos_buckling": 0.9314557515193277, + "fos_yielding": 11.437073814096673, + "deflection": 0.008647321683675843, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.357)" + }, + "parent_node_id": "node_2257", + "improvement_over_parent": null + }, + "node_2259": { + "node_id": "node_2259", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0070)]\n\nPerformance:\n Mass: 421.92 kg\n Factor of Safety: 1.04\n Max Deflection: 7.68e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.92158948295474, + "fos_buckling": 1.0381547979819568, + "fos_yielding": 12.903714318096466, + "deflection": 0.007677423331308512, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_2258", + "improvement_over_parent": null + }, + "node_2260": { + "node_id": "node_2260", + "content": "MODIFICATION: Increase 9 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0102)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0070)]\n\nPerformance:\n Mass: 449.01 kg\n Factor of Safety: 1.35\n Max Deflection: 7.08e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.0131123246815, + "fos_buckling": 1.350174976107193, + "fos_yielding": 14.907625041591656, + "deflection": 0.007076403415066156, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.567)" + }, + "parent_node_id": "node_2259", + "improvement_over_parent": null + }, + "node_2261": { + "node_id": "node_2261", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0125)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0085)]\n\nPerformance:\n Mass: 539.67 kg\n Factor of Safety: 1.57\n Max Deflection: 5.92e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 539.6728047137179, + "fos_buckling": 1.5659822590794061, + "fos_yielding": 17.843076069237718, + "deflection": 0.005921225957733728, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.222)" + }, + "parent_node_id": "node_2260", + "improvement_over_parent": null + }, + "node_2262": { + "node_id": "node_2262", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2261", + "improvement_over_parent": null + }, + "node_2263": { + "node_id": "node_2263", + "content": "INITIAL DESIGN (Trace 334)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (6 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2264": { + "node_id": "node_2264", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 354.71 kg\n Factor of Safety: 13.53\n Max Deflection: 5.92e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 354.70904597800256, + "fos_buckling": 13.527466753807564, + "fos_yielding": 8.514977934832721, + "deflection": 59169053619970.63, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2263", + "improvement_over_parent": null + }, + "node_2265": { + "node_id": "node_2265", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 402.31 kg\n Factor of Safety: 0.09\n Max Deflection: 9.22e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.3118104385055, + "fos_buckling": 0.0948594598569906, + "fos_yielding": 1.6369972993577817, + "deflection": 92208178735684.9, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2264", + "improvement_over_parent": null + }, + "node_2266": { + "node_id": "node_2266", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 449.91 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.91457489900847, + "fos_buckling": 0.5085394814963204, + "fos_yielding": 6.365730724877488, + "deflection": 0.03164071985333393, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2265", + "improvement_over_parent": null + }, + "node_2267": { + "node_id": "node_2267", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.31 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.3098073323699, + "fos_buckling": 1.01163681220877, + "fos_yielding": 12.663623578348588, + "deflection": 0.009050069141354944, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2266", + "improvement_over_parent": null + }, + "node_2268": { + "node_id": "node_2268", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2793268419248, + "fos_buckling": 1.537676670765629, + "fos_yielding": 14.270056145656987, + "deflection": 0.005954044345987326, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2267", + "improvement_over_parent": null + }, + "node_2269": { + "node_id": "node_2269", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2268", + "improvement_over_parent": null + }, + "node_2270": { + "node_id": "node_2270", + "content": "INITIAL DESIGN (Trace 335)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 355.04 kg\n Factor of Safety: 0.89\n Max Deflection: 9.69e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.0381444905034, + "fos_buckling": 0.8852168398111052, + "fos_yielding": 10.991648848456645, + "deflection": 0.009690429191446305, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2271": { + "node_id": "node_2271", + "content": "MODIFICATION: Increase 2 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 361.90 kg\n Factor of Safety: 0.88\n Max Deflection: 9.69e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.896679885514, + "fos_buckling": 0.8848316813151011, + "fos_yielding": 10.986864555682324, + "deflection": 0.009694649551272942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.214)" + }, + "parent_node_id": "node_2270", + "improvement_over_parent": null + }, + "node_2272": { + "node_id": "node_2272", + "content": "MODIFICATION: Increase 4 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 363.43 kg\n Factor of Safety: 0.88\n Max Deflection: 9.69e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 363.43370425889975, + "fos_buckling": 0.8848316813151011, + "fos_yielding": 10.986864555682324, + "deflection": 0.009694649551272942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.242)" + }, + "parent_node_id": "node_2271", + "improvement_over_parent": null + }, + "node_2273": { + "node_id": "node_2273", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 416.96 kg\n Factor of Safety: 1.00\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.95855023517305, + "fos_buckling": 0.9999482607740834, + "fos_yielding": 12.544952348792139, + "deflection": 0.008476722356244372, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_2272", + "improvement_over_parent": null + }, + "node_2274": { + "node_id": "node_2274", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 481.09 kg\n Factor of Safety: 1.03\n Max Deflection: 7.02e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.0912031277936, + "fos_buckling": 1.0319656744192844, + "fos_yielding": 12.843698928162707, + "deflection": 0.0070241646837806, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2273", + "improvement_over_parent": null + }, + "node_2275": { + "node_id": "node_2275", + "content": "MODIFICATION: Increase 3 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 494.48 kg\n Factor of Safety: 1.27\n Max Deflection: 6.82e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.4794769925933, + "fos_buckling": 1.2720067441539435, + "fos_yielding": 12.353156384383842, + "deflection": 0.006817230832823198, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.429)" + }, + "parent_node_id": "node_2274", + "improvement_over_parent": null + }, + "node_2276": { + "node_id": "node_2276", + "content": "MODIFICATION: Increase 1 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 516.36 kg\n Factor of Safety: 1.17\n Max Deflection: 6.47e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 516.3561299134581, + "fos_buckling": 1.17227547348534, + "fos_yielding": 13.083430453845605, + "deflection": 0.0064694470241299165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.600)" + }, + "parent_node_id": "node_2275", + "improvement_over_parent": null + }, + "node_2277": { + "node_id": "node_2277", + "content": "MODIFICATION: Increase 10 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0153)]\n\nPerformance:\n Mass: 549.90 kg\n Factor of Safety: 1.17\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.9046844031815, + "fos_buckling": 1.1664852970266715, + "fos_yielding": 12.55721881873712, + "deflection": 0.00633164575042865, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.613)" + }, + "parent_node_id": "node_2276", + "improvement_over_parent": null + }, + "node_2278": { + "node_id": "node_2278", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2277", + "improvement_over_parent": null + }, + "node_2279": { + "node_id": "node_2279", + "content": "INITIAL DESIGN (Trace 336)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 265.03 kg\n Factor of Safety: 1.25\n Max Deflection: 1.41e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 265.03236296408704, + "fos_buckling": 1.254022976070206, + "fos_yielding": 12.688308366972473, + "deflection": 14059544129134.283, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2280": { + "node_id": "node_2280", + "content": "MODIFICATION: Increase 6 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 266.31 kg\n Factor of Safety: 1.63\n Max Deflection: 1.41e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 266.3114595593674, + "fos_buckling": 1.6341750045777792, + "fos_yielding": 16.896338357603202, + "deflection": 14059544129134.283, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.401)" + }, + "parent_node_id": "node_2279", + "improvement_over_parent": null + }, + "node_2281": { + "node_id": "node_2281", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 311.66 kg\n Factor of Safety: 0.37\n Max Deflection: 1.61e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 311.6642283234263, + "fos_buckling": 0.3657780454120743, + "fos_yielding": 3.816468454790347, + "deflection": 0.0161497502807901, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006523)" + }, + "parent_node_id": "node_2280", + "improvement_over_parent": null + }, + "node_2282": { + "node_id": "node_2282", + "content": "MODIFICATION: Increase 4 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 313.35 kg\n Factor of Safety: 0.45\n Max Deflection: 1.57e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.35150170781736, + "fos_buckling": 0.445645633496393, + "fos_yielding": 5.071225921627406, + "deflection": 0.015691639085805814, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.350)" + }, + "parent_node_id": "node_2281", + "improvement_over_parent": null + }, + "node_2283": { + "node_id": "node_2283", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 361.22 kg\n Factor of Safety: 0.50\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.2195808062859, + "fos_buckling": 0.5025597903640089, + "fos_yielding": 5.817084386361469, + "deflection": 0.01365439881344461, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_2282", + "improvement_over_parent": null + }, + "node_2284": { + "node_id": "node_2284", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 429.17 kg\n Factor of Safety: 1.12\n Max Deflection: 7.51e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.1735298428187, + "fos_buckling": 1.1221118836668877, + "fos_yielding": 12.441701721323936, + "deflection": 0.007509011247671063, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008657)" + }, + "parent_node_id": "node_2283", + "improvement_over_parent": null + }, + "node_2285": { + "node_id": "node_2285", + "content": "MODIFICATION: Increase 6 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 431.71 kg\n Factor of Safety: 1.08\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.7110859890024, + "fos_buckling": 1.0836559706303783, + "fos_yielding": 12.245004779101432, + "deflection": 0.007451834396568226, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.513)" + }, + "parent_node_id": "node_2284", + "improvement_over_parent": null + }, + "node_2286": { + "node_id": "node_2286", + "content": "MODIFICATION: Increase 3 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 445.18 kg\n Factor of Safety: 1.30\n Max Deflection: 7.26e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.18296975282857, + "fos_buckling": 1.3027221754447256, + "fos_yielding": 11.604454323998356, + "deflection": 0.007261754520345304, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.572)" + }, + "parent_node_id": "node_2285", + "improvement_over_parent": null + }, + "node_2287": { + "node_id": "node_2287", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.54 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5360296822888, + "fos_buckling": 1.538121088336194, + "fos_yielding": 14.277406092246652, + "deflection": 0.0059513097467782045, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_2286", + "improvement_over_parent": null + }, + "node_2288": { + "node_id": "node_2288", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 9, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2287", + "improvement_over_parent": null + }, + "node_2289": { + "node_id": "node_2289", + "content": "INITIAL DESIGN (Trace 337)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 346.96 kg\n Factor of Safety: 1.49\n Max Deflection: 1.83e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.9586546053581, + "fos_buckling": 1.4853342063898824, + "fos_yielding": 8.514977934832721, + "deflection": 18330682594531.766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2290": { + "node_id": "node_2290", + "content": "MODIFICATION: Increase 4 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 351.14 kg\n Factor of Safety: 1.28\n Max Deflection: 1.55e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.13889965659615, + "fos_buckling": 1.2832810455507517, + "fos_yielding": 15.913330217649573, + "deflection": 15525932806317.559, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.522)" + }, + "parent_node_id": "node_2289", + "improvement_over_parent": null + }, + "node_2291": { + "node_id": "node_2291", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.74 kg\n Factor of Safety: 0.86\n Max Deflection: 1.26e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.7416641170991, + "fos_buckling": 0.8565209360150806, + "fos_yielding": 13.415357948163976, + "deflection": 12593377602315.352, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2290", + "improvement_over_parent": null + }, + "node_2292": { + "node_id": "node_2292", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.13689655046056, + "fos_buckling": 0.9980073788964559, + "fos_yielding": 12.493096330042313, + "deflection": 0.0074573762506119565, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2291", + "improvement_over_parent": null + }, + "node_2293": { + "node_id": "node_2293", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2695494430811, + "fos_buckling": 1.53761323249811, + "fos_yielding": 14.262885093600564, + "deflection": 0.0059542551736491145, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2292", + "improvement_over_parent": null + }, + "node_2294": { + "node_id": "node_2294", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2293", + "improvement_over_parent": null + }, + "node_2295": { + "node_id": "node_2295", + "content": "INITIAL DESIGN (Trace 338)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 293.41 kg\n Factor of Safety: 0.75\n Max Deflection: 3.41e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 293.4061461416445, + "fos_buckling": 0.7517010219201528, + "fos_yielding": 8.822549750147179, + "deflection": 3413699436540.949, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2296": { + "node_id": "node_2296", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n\nPerformance:\n Mass: 302.48 kg\n Factor of Safety: 0.74\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 302.4832665919064, + "fos_buckling": 0.744535079873334, + "fos_yielding": 8.841296663473866, + "deflection": 0.012999627145419341, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004269)" + }, + "parent_node_id": "node_2295", + "improvement_over_parent": null + }, + "node_2297": { + "node_id": "node_2297", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 373.83 kg\n Factor of Safety: 0.89\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.8269169592344, + "fos_buckling": 0.890099559020025, + "fos_yielding": 10.876886890948851, + "deflection": 0.010573701689110433, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.255)" + }, + "parent_node_id": "node_2296", + "improvement_over_parent": null + }, + "node_2298": { + "node_id": "node_2298", + "content": "MODIFICATION: Increase 5 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0124)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 395.77 kg\n Factor of Safety: 0.89\n Max Deflection: 9.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.7709315559288, + "fos_buckling": 0.8888626671743984, + "fos_yielding": 10.861772252855967, + "deflection": 0.009917335043393025, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.339)" + }, + "parent_node_id": "node_2297", + "improvement_over_parent": null + }, + "node_2299": { + "node_id": "node_2299", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0145)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 457.22 kg\n Factor of Safety: 1.00\n Max Deflection: 8.62e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.21688876049706, + "fos_buckling": 0.9996691507412694, + "fos_yielding": 12.514101614935672, + "deflection": 0.008622387158414933, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.172)" + }, + "parent_node_id": "node_2298", + "improvement_over_parent": null + }, + "node_2300": { + "node_id": "node_2300", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0145)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 521.35 kg\n Factor of Safety: 1.22\n Max Deflection: 6.94e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.3495416531176, + "fos_buckling": 1.2226768373092163, + "fos_yielding": 12.463678290506287, + "deflection": 0.006940849065021662, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2299", + "improvement_over_parent": null + }, + "node_2301": { + "node_id": "node_2301", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0145)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 568.95 kg\n Factor of Safety: 1.39\n Max Deflection: 5.75e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 568.9523061136206, + "fos_buckling": 1.3904113447432531, + "fos_yielding": 15.090347409815836, + "deflection": 0.005747880469485412, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2300", + "improvement_over_parent": null + }, + "node_2302": { + "node_id": "node_2302", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2301", + "improvement_over_parent": null + }, + "node_2303": { + "node_id": "node_2303", + "content": "INITIAL DESIGN (Trace 339)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n\nPerformance:\n Mass: 212.03 kg\n Factor of Safety: 0.23\n Max Deflection: 3.90e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 212.02808768980543, + "fos_buckling": 0.23157004764396075, + "fos_yielding": 1.8089464768574313, + "deflection": 38963734740606.336, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2304": { + "node_id": "node_2304", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 252.37 kg\n Factor of Safety: 0.23\n Max Deflection: 3.05e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 252.36503727116747, + "fos_buckling": 0.22731376941086684, + "fos_yielding": 1.8089464768574313, + "deflection": 30473263303753.094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_2303", + "improvement_over_parent": null + }, + "node_2305": { + "node_id": "node_2305", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n\nPerformance:\n Mass: 285.04 kg\n Factor of Safety: 0.43\n Max Deflection: 1.76e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 285.0388748514879, + "fos_buckling": 0.434934669501085, + "fos_yielding": 4.933566001489182, + "deflection": 0.01764349033910434, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005781)" + }, + "parent_node_id": "node_2304", + "improvement_over_parent": null + }, + "node_2306": { + "node_id": "node_2306", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 342.29 kg\n Factor of Safety: 0.73\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.2879946738134, + "fos_buckling": 0.7301076937176405, + "fos_yielding": 8.650039571011423, + "deflection": 0.010768543812594927, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007207)" + }, + "parent_node_id": "node_2305", + "improvement_over_parent": null + }, + "node_2307": { + "node_id": "node_2307", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 381.29 kg\n Factor of Safety: 0.80\n Max Deflection: 9.69e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.2931841192066, + "fos_buckling": 0.8004906546490275, + "fos_yielding": 9.612227808652452, + "deflection": 0.009690258500028142, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.122)" + }, + "parent_node_id": "node_2306", + "improvement_over_parent": null + }, + "node_2308": { + "node_id": "node_2308", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 417.70 kg\n Factor of Safety: 1.24\n Max Deflection: 7.73e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.6993379391377, + "fos_buckling": 1.2352026219314227, + "fos_yielding": 10.880324049443232, + "deflection": 0.007726801308117646, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006488)" + }, + "parent_node_id": "node_2307", + "improvement_over_parent": null + }, + "node_2309": { + "node_id": "node_2309", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 483.19 kg\n Factor of Safety: 1.39\n Max Deflection: 6.71e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.18948702571936, + "fos_buckling": 1.3937132754211394, + "fos_yielding": 12.60391622706747, + "deflection": 0.006706004243481102, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_2308", + "improvement_over_parent": null + }, + "node_2310": { + "node_id": "node_2310", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.08 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0774792465991, + "fos_buckling": 1.5372508756270422, + "fos_yielding": 14.263590982845654, + "deflection": 0.0059562124132622254, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_2309", + "improvement_over_parent": null + }, + "node_2311": { + "node_id": "node_2311", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2310", + "improvement_over_parent": null + }, + "node_2312": { + "node_id": "node_2312", + "content": "INITIAL DESIGN (Trace 340)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 365.98 kg\n Factor of Safety: 0.62\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.97518373341376, + "fos_buckling": 0.6183195091428004, + "fos_yielding": 7.61561257034695, + "deflection": 0.012568521657923158, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2313": { + "node_id": "node_2313", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 376.24 kg\n Factor of Safety: 0.62\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.23868992861, + "fos_buckling": 0.6175146955544563, + "fos_yielding": 7.605699979219628, + "deflection": 0.010574546923600762, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004868)" + }, + "parent_node_id": "node_2312", + "improvement_over_parent": null + }, + "node_2314": { + "node_id": "node_2314", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 475.66 kg\n Factor of Safety: 0.76\n Max Deflection: 8.40e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 475.66352466181604, + "fos_buckling": 0.7599187476381255, + "fos_yielding": 9.608406871238012, + "deflection": 0.008400604864475655, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.289)" + }, + "parent_node_id": "node_2313", + "improvement_over_parent": null + }, + "node_2315": { + "node_id": "node_2315", + "content": "MODIFICATION: Increase 6 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0134)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.90 kg\n Factor of Safety: 0.76\n Max Deflection: 8.41e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.904515943385, + "fos_buckling": 0.758807401473649, + "fos_yielding": 9.594355018778431, + "deflection": 0.008412112040199744, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.416)" + }, + "parent_node_id": "node_2314", + "improvement_over_parent": null + }, + "node_2316": { + "node_id": "node_2316", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0134)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.32\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.507280403888, + "fos_buckling": 1.3229282687619535, + "fos_yielding": 12.968954337186284, + "deflection": 0.006175623378055933, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2315", + "improvement_over_parent": null + }, + "node_2317": { + "node_id": "node_2317", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2316", + "improvement_over_parent": null + }, + "node_2318": { + "node_id": "node_2318", + "content": "INITIAL DESIGN (Trace 341)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 320.34 kg\n Factor of Safety: 0.58\n Max Deflection: 2.76e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.34037221809683, + "fos_buckling": 0.5804754422110219, + "fos_yielding": 7.329799360058823, + "deflection": 27593141625096.977, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2319": { + "node_id": "node_2319", + "content": "MODIFICATION: Increase 3 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 333.98 kg\n Factor of Safety: 0.39\n Max Deflection: 2.92e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.9797943136938, + "fos_buckling": 0.38698362814068127, + "fos_yielding": 5.032548050974777, + "deflection": 29245187950764.902, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.517)" + }, + "parent_node_id": "node_2318", + "improvement_over_parent": null + }, + "node_2320": { + "node_id": "node_2320", + "content": "MODIFICATION: Increase 2 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 345.18 kg\n Factor of Safety: 0.22\n Max Deflection: 1.08e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 345.175982878984, + "fos_buckling": 0.21848878742849262, + "fos_yielding": 3.473798228865035, + "deflection": 108200977004910.78, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.391)" + }, + "parent_node_id": "node_2319", + "improvement_over_parent": null + }, + "node_2321": { + "node_id": "node_2321", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 353.54 kg\n Factor of Safety: 0.44\n Max Deflection: 1.17e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.53698057981137, + "fos_buckling": 0.43909624731182434, + "fos_yielding": 3.6178929537148616, + "deflection": 11726061393766.592, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.195)" + }, + "parent_node_id": "node_2320", + "improvement_over_parent": null + }, + "node_2322": { + "node_id": "node_2322", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 398.58 kg\n Factor of Safety: 0.86\n Max Deflection: 1.05e+13 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.58442031054045, + "fos_buckling": 0.8606620874225753, + "fos_yielding": 7.235785907429725, + "deflection": 10526459582178.098, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_2321", + "improvement_over_parent": null + }, + "node_2323": { + "node_id": "node_2323", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.72 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.717073203161, + "fos_buckling": 0.5930005749937568, + "fos_yielding": 7.071895354483285, + "deflection": 0.011032980321502584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2322", + "improvement_over_parent": null + }, + "node_2324": { + "node_id": "node_2324", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.11 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1123056365225, + "fos_buckling": 1.537190568003159, + "fos_yielding": 14.261125669670607, + "deflection": 0.0059560762307317, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2323", + "improvement_over_parent": null + }, + "node_2325": { + "node_id": "node_2325", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2324", + "improvement_over_parent": null + }, + "node_2326": { + "node_id": "node_2326", + "content": "INITIAL DESIGN (Trace 342)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 378.05 kg\n Factor of Safety: 0.84\n Max Deflection: 9.21e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.0517051993079, + "fos_buckling": 0.8390987202960383, + "fos_yielding": 10.150484191162162, + "deflection": 0.009211986003491044, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2327": { + "node_id": "node_2327", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 429.81 kg\n Factor of Safety: 1.21\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.8121820180732, + "fos_buckling": 1.2078249462926198, + "fos_yielding": 9.517953697399193, + "deflection": 0.007552397965533717, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007514)" + }, + "parent_node_id": "node_2326", + "improvement_over_parent": null + }, + "node_2328": { + "node_id": "node_2328", + "content": "MODIFICATION: Increase 5 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 432.13 kg\n Factor of Safety: 1.19\n Max Deflection: 7.44e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.12585723854585, + "fos_buckling": 1.1913207904018834, + "fos_yielding": 11.852414611689829, + "deflection": 0.007441934925149027, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.305)" + }, + "parent_node_id": "node_2327", + "improvement_over_parent": null + }, + "node_2329": { + "node_id": "node_2329", + "content": "MODIFICATION: Increase 3 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 440.90 kg\n Factor of Safety: 1.29\n Max Deflection: 7.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.8977095475828, + "fos_buckling": 1.2924081412150628, + "fos_yielding": 11.490252194722654, + "deflection": 0.007330459811086628, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.318)" + }, + "parent_node_id": "node_2328", + "improvement_over_parent": null + }, + "node_2330": { + "node_id": "node_2330", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.50 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5031429627827, + "fos_buckling": 1.5381851822644488, + "fos_yielding": 14.274779251076373, + "deflection": 0.005951674499729827, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_2329", + "improvement_over_parent": null + }, + "node_2331": { + "node_id": "node_2331", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2330", + "improvement_over_parent": null + }, + "node_2332": { + "node_id": "node_2332", + "content": "INITIAL DESIGN (Trace 343)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 373.21 kg\n Factor of Safety: 0.56\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.2060485147391, + "fos_buckling": 0.5594059321094735, + "fos_yielding": 6.822824973400868, + "deflection": 0.011471524121966094, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2333": { + "node_id": "node_2333", + "content": "MODIFICATION: Increase 1 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 383.11 kg\n Factor of Safety: 0.56\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.1056161380311, + "fos_buckling": 0.5590549251365551, + "fos_yielding": 6.8185438977039485, + "deflection": 0.010865009714732475, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.261)" + }, + "parent_node_id": "node_2332", + "improvement_over_parent": null + }, + "node_2334": { + "node_id": "node_2334", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 422.13 kg\n Factor of Safety: 0.97\n Max Deflection: 7.89e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.12699511445686, + "fos_buckling": 0.9688423567403723, + "fos_yielding": 10.647895232411607, + "deflection": 0.007890268541470628, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006990)" + }, + "parent_node_id": "node_2333", + "improvement_over_parent": null + }, + "node_2335": { + "node_id": "node_2335", + "content": "MODIFICATION: Increase 10 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0115)]\n\nPerformance:\n Mass: 444.38 kg\n Factor of Safety: 1.03\n Max Deflection: 7.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.3817650416979, + "fos_buckling": 1.025519347693373, + "fos_yielding": 10.21311309334132, + "deflection": 0.007670647221038859, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.647)" + }, + "parent_node_id": "node_2334", + "improvement_over_parent": null + }, + "node_2336": { + "node_id": "node_2336", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0143)]\n\nPerformance:\n Mass: 541.33 kg\n Factor of Safety: 1.22\n Max Deflection: 6.32e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.3311191657629, + "fos_buckling": 1.2234395638784117, + "fos_yielding": 12.500768902747382, + "deflection": 0.0063231839457098486, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_2335", + "improvement_over_parent": null + }, + "node_2337": { + "node_id": "node_2337", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2336", + "improvement_over_parent": null + }, + "node_2338": { + "node_id": "node_2338", + "content": "INITIAL DESIGN (Trace 344)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 305.96 kg\n Factor of Safety: 1.08\n Max Deflection: 1.99e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 305.95620129592237, + "fos_buckling": 1.0839781975071208, + "fos_yielding": 11.184252117853319, + "deflection": 19926646212720.6, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2339": { + "node_id": "node_2339", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 341.83 kg\n Factor of Safety: 0.36\n Max Deflection: 1.56e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.82743427968876, + "fos_buckling": 0.3625572957260621, + "fos_yielding": 3.7805315613811965, + "deflection": 0.015587930094228736, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006386)" + }, + "parent_node_id": "node_2338", + "improvement_over_parent": null + }, + "node_2340": { + "node_id": "node_2340", + "content": "MODIFICATION: Increase 4 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 345.09 kg\n Factor of Safety: 0.36\n Max Deflection: 1.50e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 345.0904622072086, + "fos_buckling": 0.3624087132028903, + "fos_yielding": 3.7789822313168386, + "deflection": 0.014999260190344145, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.456)" + }, + "parent_node_id": "node_2339", + "improvement_over_parent": null + }, + "node_2341": { + "node_id": "node_2341", + "content": "MODIFICATION: Increase 5 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 346.30 kg\n Factor of Safety: 0.36\n Max Deflection: 1.50e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.29915632467487, + "fos_buckling": 0.3624087132028903, + "fos_yielding": 3.7789822313168386, + "deflection": 0.014954334561944773, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.284)" + }, + "parent_node_id": "node_2340", + "improvement_over_parent": null + }, + "node_2342": { + "node_id": "node_2342", + "content": "MODIFICATION: Increase 6 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0116)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 374.90 kg\n Factor of Safety: 0.36\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.90335455098153, + "fos_buckling": 0.36046623605082384, + "fos_yielding": 3.7587272364037103, + "deflection": 0.01338993030865634, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.664)" + }, + "parent_node_id": "node_2341", + "improvement_over_parent": null + }, + "node_2343": { + "node_id": "node_2343", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n\nPerformance:\n Mass: 422.90 kg\n Factor of Safety: 0.40\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.9022563532202, + "fos_buckling": 0.40169100082064313, + "fos_yielding": 4.238078568799118, + "deflection": 0.011902863230432116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_2342", + "improvement_over_parent": null + }, + "node_2344": { + "node_id": "node_2344", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0060)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 493.88 kg\n Factor of Safety: 1.02\n Max Deflection: 6.85e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 493.88432364858056, + "fos_buckling": 1.0199629599740199, + "fos_yielding": 10.761214846246716, + "deflection": 0.006848119238463683, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009074)" + }, + "parent_node_id": "node_2343", + "improvement_over_parent": null + }, + "node_2345": { + "node_id": "node_2345", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0071)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0158)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 579.13 kg\n Factor of Safety: 1.17\n Max Deflection: 5.86e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 579.1261088135227, + "fos_buckling": 1.1698857882793738, + "fos_yielding": 12.571327431088571, + "deflection": 0.005862734009658853, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.192)" + }, + "parent_node_id": "node_2344", + "improvement_over_parent": null + }, + "node_2346": { + "node_id": "node_2346", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2345", + "improvement_over_parent": null + }, + "node_2347": { + "node_id": "node_2347", + "content": "INITIAL DESIGN (Trace 345)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 344.70 kg\n Factor of Safety: 1.05\n Max Deflection: 9.32e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.7028133280922, + "fos_buckling": 1.0475367956436736, + "fos_yielding": 8.965525945303051, + "deflection": 0.009321636503649165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2348": { + "node_id": "node_2348", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 388.73 kg\n Factor of Safety: 1.16\n Max Deflection: 8.29e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.7334131399995, + "fos_buckling": 1.1621343923999683, + "fos_yielding": 10.120268779655579, + "deflection": 0.008287926887509366, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_2347", + "improvement_over_parent": null + }, + "node_2349": { + "node_id": "node_2349", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 451.87 kg\n Factor of Safety: 1.32\n Max Deflection: 7.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.8684229952454, + "fos_buckling": 1.319068514096222, + "fos_yielding": 11.779846611624741, + "deflection": 0.007157227799963208, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.175)" + }, + "parent_node_id": "node_2348", + "improvement_over_parent": null + }, + "node_2350": { + "node_id": "node_2350", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.10 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.099473028089, + "fos_buckling": 1.5373053824962004, + "fos_yielding": 14.265194358971705, + "deflection": 0.00595592930287072, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.229)" + }, + "parent_node_id": "node_2349", + "improvement_over_parent": null + }, + "node_2351": { + "node_id": "node_2351", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2350", + "improvement_over_parent": null + }, + "node_2352": { + "node_id": "node_2352", + "content": "INITIAL DESIGN (Trace 346)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 311.69 kg\n Factor of Safety: 0.25\n Max Deflection: 6.23e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 311.6890147550386, + "fos_buckling": 0.2509930583331628, + "fos_yielding": 1.8089464768574313, + "deflection": 62277681904167.29, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2353": { + "node_id": "node_2353", + "content": "MODIFICATION: Increase 7 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 328.13 kg\n Factor of Safety: 0.44\n Max Deflection: 2.31e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 328.13006692891497, + "fos_buckling": 0.4410878862099593, + "fos_yielding": 3.6178929537148625, + "deflection": 23141138282548.86, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.458)" + }, + "parent_node_id": "node_2352", + "improvement_over_parent": null + }, + "node_2354": { + "node_id": "node_2354", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 381.64 kg\n Factor of Safety: 1.72\n Max Deflection: 8.29e+12 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 381.6419124093718, + "fos_buckling": 1.721058343181848, + "fos_yielding": 14.471571814859447, + "deflection": 8294898945336.922, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.178)" + }, + "parent_node_id": "node_2353", + "improvement_over_parent": null + }, + "node_2355": { + "node_id": "node_2355", + "content": "MODIFICATION: Increase 2 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 391.84 kg\n Factor of Safety: 0.86\n Max Deflection: 1.05e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.8422969279716, + "fos_buckling": 0.860529171590924, + "fos_yielding": 7.235785907429723, + "deflection": 10450354143127.246, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.299)" + }, + "parent_node_id": "node_2354", + "improvement_over_parent": null + }, + "node_2356": { + "node_id": "node_2356", + "content": "MODIFICATION: Increase 1 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 404.08 kg\n Factor of Safety: 1.71\n Max Deflection: 5.75e+12 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 404.081331680123, + "fos_buckling": 1.7115377414270903, + "fos_yielding": 14.471571814859447, + "deflection": 5746065649771.113, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.344)" + }, + "parent_node_id": "node_2355", + "improvement_over_parent": null + }, + "node_2357": { + "node_id": "node_2357", + "content": "MODIFICATION: Increase 1 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.49 kg\n Factor of Safety: 0.86\n Max Deflection: 1.22e+13 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.4881736992151, + "fos_buckling": 0.860529171590924, + "fos_yielding": 7.235785907429723, + "deflection": 12202573283548.016, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.248)" + }, + "parent_node_id": "node_2356", + "improvement_over_parent": null + }, + "node_2358": { + "node_id": "node_2358", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 463.09 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.09093815971806, + "fos_buckling": 0.5930810281955979, + "fos_yielding": 7.077757941991981, + "deflection": 0.011026938873328103, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2357", + "improvement_over_parent": null + }, + "node_2359": { + "node_id": "node_2359", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.49 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4861705930795, + "fos_buckling": 1.537691691320854, + "fos_yielding": 14.273146092661582, + "deflection": 0.005952037864413315, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2358", + "improvement_over_parent": null + }, + "node_2360": { + "node_id": "node_2360", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2359", + "improvement_over_parent": null + }, + "node_2361": { + "node_id": "node_2361", + "content": "INITIAL DESIGN (Trace 347)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 402.79 kg\n Factor of Safety: 0.89\n Max Deflection: 8.89e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.78502957640853, + "fos_buckling": 0.886054669471091, + "fos_yielding": 10.821941323737116, + "deflection": 0.008892311778252721, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2362": { + "node_id": "node_2362", + "content": "MODIFICATION: Increase 0 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 415.54 kg\n Factor of Safety: 0.89\n Max Deflection: 8.62e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.5388248746347, + "fos_buckling": 0.8853398640375252, + "fos_yielding": 10.813210956722008, + "deflection": 0.008616808560436173, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.340)" + }, + "parent_node_id": "node_2361", + "improvement_over_parent": null + }, + "node_2363": { + "node_id": "node_2363", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 470.82 kg\n Factor of Safety: 1.36\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.819623695764, + "fos_buckling": 1.3645916889913354, + "fos_yielding": 12.278379742425198, + "deflection": 0.006877208586214498, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008067)" + }, + "parent_node_id": "node_2362", + "improvement_over_parent": null + }, + "node_2364": { + "node_id": "node_2364", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2522743032388, + "fos_buckling": 1.5377523029258542, + "fos_yielding": 14.268643835679386, + "deflection": 0.005954495689606349, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_2363", + "improvement_over_parent": null + }, + "node_2365": { + "node_id": "node_2365", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2364", + "improvement_over_parent": null + }, + "node_2366": { + "node_id": "node_2366", + "content": "INITIAL DESIGN (Trace 348)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 463.30 kg\n Factor of Safety: 1.32\n Max Deflection: 6.91e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.301263876419, + "fos_buckling": 1.3240255377827528, + "fos_yielding": 13.436494451350505, + "deflection": 0.0069082109788320524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2367": { + "node_id": "node_2367", + "content": "MODIFICATION: Increase 2 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 472.32 kg\n Factor of Safety: 1.34\n Max Deflection: 6.82e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.31966130397586, + "fos_buckling": 1.3383937744395233, + "fos_yielding": 13.053462081356985, + "deflection": 0.0068173835894521405, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.295)" + }, + "parent_node_id": "node_2366", + "improvement_over_parent": null + }, + "node_2368": { + "node_id": "node_2368", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.92 kg\n Factor of Safety: 1.48\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.9229836297732, + "fos_buckling": 1.4778784259380393, + "fos_yielding": 14.767001991766774, + "deflection": 0.006053651108800196, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_2367", + "improvement_over_parent": null + }, + "node_2369": { + "node_id": "node_2369", + "content": "MODIFICATION: Increase 9 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.83 kg\n Factor of Safety: 1.48\n Max Deflection: 5.98e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.8254642307509, + "fos_buckling": 1.480951039589855, + "fos_yielding": 14.404891636003828, + "deflection": 0.005978262965073524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.225)" + }, + "parent_node_id": "node_2368", + "improvement_over_parent": null + }, + "node_2370": { + "node_id": "node_2370", + "content": "MODIFICATION: Increase 4 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.53 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.530912942633, + "fos_buckling": 1.5381755179623182, + "fos_yielding": 14.27908909209557, + "deflection": 0.005951177059621342, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.236)" + }, + "parent_node_id": "node_2369", + "improvement_over_parent": null + }, + "node_2371": { + "node_id": "node_2371", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2370", + "improvement_over_parent": null + }, + "node_2372": { + "node_id": "node_2372", + "content": "INITIAL DESIGN (Trace 349)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 378.32 kg\n Factor of Safety: 0.90\n Max Deflection: 1.91e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.32171378227235, + "fos_buckling": 0.9010303978015463, + "fos_yielding": 10.989401315515774, + "deflection": 1914535540698.402, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2373": { + "node_id": "node_2373", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 419.43 kg\n Factor of Safety: 0.89\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 419.42674165743136, + "fos_buckling": 0.8871300999363319, + "fos_yielding": 10.83809598590353, + "deflection": 0.01042873205967647, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007394)" + }, + "parent_node_id": "node_2372", + "improvement_over_parent": null + }, + "node_2374": { + "node_id": "node_2374", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n\nPerformance:\n Mass: 430.63 kg\n Factor of Safety: 0.89\n Max Deflection: 8.61e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.62544198958227, + "fos_buckling": 0.8858744780851954, + "fos_yielding": 10.822756014747558, + "deflection": 0.00860617932049371, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005348)" + }, + "parent_node_id": "node_2373", + "improvement_over_parent": null + }, + "node_2375": { + "node_id": "node_2375", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.83 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.83068474575055, + "fos_buckling": 0.99723929035001, + "fos_yielding": 12.483807239240102, + "deflection": 0.007460604953970526, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.174)" + }, + "parent_node_id": "node_2374", + "improvement_over_parent": null + }, + "node_2376": { + "node_id": "node_2376", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.43 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4334492062535, + "fos_buckling": 1.5380212195660619, + "fos_yielding": 14.274051031741221, + "deflection": 0.005952374522182076, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2375", + "improvement_over_parent": null + }, + "node_2377": { + "node_id": "node_2377", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2376", + "improvement_over_parent": null + }, + "node_2378": { + "node_id": "node_2378", + "content": "INITIAL DESIGN (Trace 350)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 414.66 kg\n Factor of Safety: 1.23\n Max Deflection: 7.93e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 414.6598792055076, + "fos_buckling": 1.234481953005779, + "fos_yielding": 10.568094243716029, + "deflection": 0.00793307929413482, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2379": { + "node_id": "node_2379", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 467.55 kg\n Factor of Safety: 1.36\n Max Deflection: 7.06e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.5500795909751, + "fos_buckling": 1.3641555738302735, + "fos_yielding": 11.928634986651655, + "deflection": 0.007056584184694895, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_2378", + "improvement_over_parent": null + }, + "node_2380": { + "node_id": "node_2380", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.41 kg\n Factor of Safety: 1.51\n Max Deflection: 6.25e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 529.4126980654015, + "fos_buckling": 1.508143135683806, + "fos_yielding": 13.523875476774558, + "deflection": 0.006253536955956464, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.145)" + }, + "parent_node_id": "node_2379", + "improvement_over_parent": null + }, + "node_2381": { + "node_id": "node_2381", + "content": "MODIFICATION: Increase 1 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.97 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9671994802134, + "fos_buckling": 1.5370158113640346, + "fos_yielding": 14.261680752353065, + "deflection": 0.005957330580649531, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.401)" + }, + "parent_node_id": "node_2380", + "improvement_over_parent": null + }, + "node_2382": { + "node_id": "node_2382", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2381", + "improvement_over_parent": null + }, + "node_2383": { + "node_id": "node_2383", + "content": "INITIAL DESIGN (Trace 351)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 441.62 kg\n Factor of Safety: 0.51\n Max Deflection: 3.22e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.61703925995823, + "fos_buckling": 0.5088105371757394, + "fos_yielding": 6.369123711124205, + "deflection": 0.03217719846407456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2384": { + "node_id": "node_2384", + "content": "MODIFICATION: Increase 2 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 449.92 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.92088213672116, + "fos_buckling": 0.5085393123268065, + "fos_yielding": 6.365728607268902, + "deflection": 0.031640393288486904, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.232)" + }, + "parent_node_id": "node_2383", + "improvement_over_parent": null + }, + "node_2385": { + "node_id": "node_2385", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 462.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.890401646276, + "fos_buckling": 0.5930541773597352, + "fos_yielding": 7.075365806715823, + "deflection": 0.011030218702332098, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2384", + "improvement_over_parent": null + }, + "node_2386": { + "node_id": "node_2386", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2856340796375, + "fos_buckling": 1.5376649198953547, + "fos_yielding": 14.26985131042788, + "deflection": 0.005954002792096018, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2385", + "improvement_over_parent": null + }, + "node_2387": { + "node_id": "node_2387", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2386", + "improvement_over_parent": null + }, + "node_2388": { + "node_id": "node_2388", + "content": "INITIAL DESIGN (Trace 352)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 334.66 kg\n Factor of Safety: 0.41\n Max Deflection: 4.53e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.66234222423117, + "fos_buckling": 0.405799802559206, + "fos_yielding": 3.548232883616229, + "deflection": 0.045304376654931436, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2389": { + "node_id": "node_2389", + "content": "MODIFICATION: Increase 1 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 348.69 kg\n Factor of Safety: 0.41\n Max Deflection: 4.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.693667240469, + "fos_buckling": 0.4054422035518787, + "fos_yielding": 4.277175006768326, + "deflection": 0.04104980413214683, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.437)" + }, + "parent_node_id": "node_2388", + "improvement_over_parent": null + }, + "node_2390": { + "node_id": "node_2390", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 445.66 kg\n Factor of Safety: 0.50\n Max Deflection: 3.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.6568336593011, + "fos_buckling": 0.5014635617445737, + "fos_yielding": 5.44615104271569, + "deflection": 0.03219141666316749, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_2389", + "improvement_over_parent": null + }, + "node_2391": { + "node_id": "node_2391", + "content": "MODIFICATION: Increase 5 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 447.70 kg\n Factor of Safety: 0.50\n Max Deflection: 3.19e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.6968726713368, + "fos_buckling": 0.5014635617445737, + "fos_yielding": 5.44615104271569, + "deflection": 0.03193944915600174, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.295)" + }, + "parent_node_id": "node_2390", + "improvement_over_parent": null + }, + "node_2392": { + "node_id": "node_2392", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 460.67 kg\n Factor of Safety: 0.50\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.66639218089165, + "fos_buckling": 0.5006553455257883, + "fos_yielding": 5.437373400752304, + "deflection": 0.011330736824335249, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2391", + "improvement_over_parent": null + }, + "node_2393": { + "node_id": "node_2393", + "content": "MODIFICATION: Increase 4 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 462.91 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.9059894906676, + "fos_buckling": 0.5930699329353853, + "fos_yielding": 7.0800131449083885, + "deflection": 0.011029224647647058, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.332)" + }, + "parent_node_id": "node_2392", + "improvement_over_parent": null + }, + "node_2394": { + "node_id": "node_2394", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.301221924029, + "fos_buckling": 1.5376360904995252, + "fos_yielding": 14.270647040635245, + "deflection": 0.005953777541414528, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2393", + "improvement_over_parent": null + }, + "node_2395": { + "node_id": "node_2395", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2394", + "improvement_over_parent": null + }, + "node_2396": { + "node_id": "node_2396", + "content": "INITIAL DESIGN (Trace 353)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2397": { + "node_id": "node_2397", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.67645043099105, + "fos_buckling": 0.996997498588773, + "fos_yielding": 12.480088253361052, + "deflection": 0.007462827750885376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2396", + "improvement_over_parent": null + }, + "node_2398": { + "node_id": "node_2398", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691677, + "deflection": 0.005954037788644468, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2397", + "improvement_over_parent": null + }, + "node_2399": { + "node_id": "node_2399", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2398", + "improvement_over_parent": null + }, + "node_2400": { + "node_id": "node_2400", + "content": "INITIAL DESIGN (Trace 354)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 390.36 kg\n Factor of Safety: 0.51\n Max Deflection: 1.28e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.3564687516031, + "fos_buckling": 0.506367985360625, + "fos_yielding": 7.114838748511543, + "deflection": 0.012768854104945087, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2401": { + "node_id": "node_2401", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 454.49 kg\n Factor of Safety: 0.50\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.4891216442237, + "fos_buckling": 0.5043187657425107, + "fos_yielding": 7.086450503198832, + "deflection": 0.011602641201541773, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2400", + "improvement_over_parent": null + }, + "node_2402": { + "node_id": "node_2402", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 537.88 kg\n Factor of Safety: 1.49\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 537.8843540775852, + "fos_buckling": 1.4858811900593485, + "fos_yielding": 14.60257327926817, + "deflection": 0.006019948452163964, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2401", + "improvement_over_parent": null + }, + "node_2403": { + "node_id": "node_2403", + "content": "MODIFICATION: Increase 2 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2753656384909, + "fos_buckling": 1.537670275433632, + "fos_yielding": 14.269826222412306, + "deflection": 0.005954077974160649, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.235)" + }, + "parent_node_id": "node_2402", + "improvement_over_parent": null + }, + "node_2404": { + "node_id": "node_2404", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2403", + "improvement_over_parent": null + }, + "node_2405": { + "node_id": "node_2405", + "content": "INITIAL DESIGN (Trace 355)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2406": { + "node_id": "node_2406", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 395.56 kg\n Factor of Safety: 0.85\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.55655439515596, + "fos_buckling": 0.8481180361964785, + "fos_yielding": 10.278883684802727, + "deflection": 0.01100402189703239, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007622)" + }, + "parent_node_id": "node_2405", + "improvement_over_parent": null + }, + "node_2407": { + "node_id": "node_2407", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 434.49 kg\n Factor of Safety: 0.86\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.48984378514155, + "fos_buckling": 0.8569544083843839, + "fos_yielding": 10.385977318045608, + "deflection": 0.011031529812044276, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006973)" + }, + "parent_node_id": "node_2406", + "improvement_over_parent": null + }, + "node_2408": { + "node_id": "node_2408", + "content": "MODIFICATION: Increase 5 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0112)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 452.68 kg\n Factor of Safety: 0.88\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 452.68104334211876, + "fos_buckling": 0.8761692743226771, + "fos_yielding": 10.14566206988834, + "deflection": 0.010395979582002573, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.294)" + }, + "parent_node_id": "node_2407", + "improvement_over_parent": null + }, + "node_2409": { + "node_id": "node_2409", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0112)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n\nPerformance:\n Mass: 463.29 kg\n Factor of Safety: 1.21\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.28905518117796, + "fos_buckling": 1.2073393468530174, + "fos_yielding": 12.26038141533022, + "deflection": 0.0070052272071005495, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005044)" + }, + "parent_node_id": "node_2408", + "improvement_over_parent": null + }, + "node_2410": { + "node_id": "node_2410", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0140)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 565.67 kg\n Factor of Safety: 1.42\n Max Deflection: 5.77e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 565.6659744128197, + "fos_buckling": 1.4248347862422288, + "fos_yielding": 15.003291836737683, + "deflection": 0.0057719579776901965, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_2409", + "improvement_over_parent": null + }, + "node_2411": { + "node_id": "node_2411", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2410", + "improvement_over_parent": null + }, + "node_2412": { + "node_id": "node_2412", + "content": "INITIAL DESIGN (Trace 356)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2413": { + "node_id": "node_2413", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.75 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.748726752415, + "fos_buckling": 0.5954630309595416, + "fos_yielding": 7.103669289875964, + "deflection": 0.01219950469046092, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2412", + "improvement_over_parent": null + }, + "node_2414": { + "node_id": "node_2414", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8813796450356, + "fos_buckling": 0.593054528240562, + "fos_yielding": 7.075369929738381, + "deflection": 0.01103029418543408, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2413", + "improvement_over_parent": null + }, + "node_2415": { + "node_id": "node_2415", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2766120783971, + "fos_buckling": 1.5376652864382838, + "fos_yielding": 14.26978441112261, + "deflection": 0.0059540696012867515, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2414", + "improvement_over_parent": null + }, + "node_2416": { + "node_id": "node_2416", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2415", + "improvement_over_parent": null + }, + "node_2417": { + "node_id": "node_2417", + "content": "INITIAL DESIGN (Trace 357)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 369.95 kg\n Factor of Safety: 0.85\n Max Deflection: 9.14e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 369.9522915006148, + "fos_buckling": 0.8502442971126516, + "fos_yielding": 8.91966966327815, + "deflection": 0.009141575759852054, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2418": { + "node_id": "node_2418", + "content": "MODIFICATION: Increase 6 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 371.95 kg\n Factor of Safety: 1.05\n Max Deflection: 9.04e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 371.9499862299994, + "fos_buckling": 1.0485915818493705, + "fos_yielding": 9.223967170595392, + "deflection": 0.00904458100901479, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.393)" + }, + "parent_node_id": "node_2417", + "improvement_over_parent": null + }, + "node_2419": { + "node_id": "node_2419", + "content": "MODIFICATION: Increase 10 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 388.04 kg\n Factor of Safety: 1.07\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.04453378278373, + "fos_buckling": 1.0651855518231144, + "fos_yielding": 9.579630778734883, + "deflection": 0.008717663167696127, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.357)" + }, + "parent_node_id": "node_2418", + "improvement_over_parent": null + }, + "node_2420": { + "node_id": "node_2420", + "content": "MODIFICATION: Increase 7 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 401.23 kg\n Factor of Safety: 1.12\n Max Deflection: 8.39e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.23024486812795, + "fos_buckling": 1.1232220180979617, + "fos_yielding": 9.694280014198625, + "deflection": 0.00839003394691369, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.276)" + }, + "parent_node_id": "node_2419", + "improvement_over_parent": null + }, + "node_2421": { + "node_id": "node_2421", + "content": "MODIFICATION: Increase 1 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 408.01 kg\n Factor of Safety: 1.21\n Max Deflection: 8.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.01013802066956, + "fos_buckling": 1.2127765272583102, + "fos_yielding": 10.382128203705738, + "deflection": 0.008069990396870962, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.259)" + }, + "parent_node_id": "node_2420", + "improvement_over_parent": null + }, + "node_2422": { + "node_id": "node_2422", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.13 kg\n Factor of Safety: 1.50\n Max Deflection: 6.26e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 529.1271112039415, + "fos_buckling": 1.5013916740205357, + "fos_yielding": 13.496895758555931, + "deflection": 0.006264840319277237, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.325)" + }, + "parent_node_id": "node_2421", + "improvement_over_parent": null + }, + "node_2423": { + "node_id": "node_2423", + "content": "MODIFICATION: Increase 1 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3038469114297, + "fos_buckling": 1.537726506013225, + "fos_yielding": 14.26959497996911, + "deflection": 0.0059540139902239915, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.422)" + }, + "parent_node_id": "node_2422", + "improvement_over_parent": null + }, + "node_2424": { + "node_id": "node_2424", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2423", + "improvement_over_parent": null + }, + "node_2425": { + "node_id": "node_2425", + "content": "INITIAL DESIGN (Trace 358)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2426": { + "node_id": "node_2426", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n\nPerformance:\n Mass: 328.73 kg\n Factor of Safety: 0.76\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 328.72627168754286, + "fos_buckling": 0.7578494132844645, + "fos_yielding": 5.724118519564978, + "deflection": 0.011990548956433183, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006041)" + }, + "parent_node_id": "node_2425", + "improvement_over_parent": null + }, + "node_2427": { + "node_id": "node_2427", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 403.90 kg\n Factor of Safety: 0.90\n Max Deflection: 9.79e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.89624916224096, + "fos_buckling": 0.9003771700362626, + "fos_yielding": 7.039021300198018, + "deflection": 0.009787431487799836, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_2426", + "improvement_over_parent": null + }, + "node_2428": { + "node_id": "node_2428", + "content": "MODIFICATION: Increase 0 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 423.56 kg\n Factor of Safety: 0.90\n Max Deflection: 8.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.555318961762, + "fos_buckling": 0.8992580980495333, + "fos_yielding": 11.013494917890718, + "deflection": 0.008458297584524207, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.613)" + }, + "parent_node_id": "node_2427", + "improvement_over_parent": null + }, + "node_2429": { + "node_id": "node_2429", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 479.90 kg\n Factor of Safety: 1.39\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.9040427874615, + "fos_buckling": 1.385984772354457, + "fos_yielding": 12.51767095286763, + "deflection": 0.006750605362054163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.008236)" + }, + "parent_node_id": "node_2428", + "improvement_over_parent": null + }, + "node_2430": { + "node_id": "node_2430", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2963885165559, + "fos_buckling": 1.537737172292677, + "fos_yielding": 14.26975863679537, + "deflection": 0.005953928651778006, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_2429", + "improvement_over_parent": null + }, + "node_2431": { + "node_id": "node_2431", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2430", + "improvement_over_parent": null + }, + "node_2432": { + "node_id": "node_2432", + "content": "INITIAL DESIGN (Trace 359)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 334.38 kg\n Factor of Safety: 0.66\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.37825695478443, + "fos_buckling": 0.6611864163325291, + "fos_yielding": 8.202737199636381, + "deflection": 0.012394287390202388, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2433": { + "node_id": "node_2433", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 372.28 kg\n Factor of Safety: 0.83\n Max Deflection: 9.67e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.28311538030016, + "fos_buckling": 0.8297166981133803, + "fos_yielding": 10.018187442231348, + "deflection": 0.009666933815191042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006775)" + }, + "parent_node_id": "node_2432", + "improvement_over_parent": null + }, + "node_2434": { + "node_id": "node_2434", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 410.19 kg\n Factor of Safety: 1.07\n Max Deflection: 7.95e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.1879738058159, + "fos_buckling": 1.0695989914584927, + "fos_yielding": 9.513930984635786, + "deflection": 0.007953446931021972, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006775)" + }, + "parent_node_id": "node_2433", + "improvement_over_parent": null + }, + "node_2435": { + "node_id": "node_2435", + "content": "MODIFICATION: Increase 9 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0081)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 417.10 kg\n Factor of Safety: 1.09\n Max Deflection: 7.88e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 417.10166596993054, + "fos_buckling": 1.0915535893238364, + "fos_yielding": 9.349147582675846, + "deflection": 0.007877483785661124, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.199)" + }, + "parent_node_id": "node_2434", + "improvement_over_parent": null + }, + "node_2436": { + "node_id": "node_2436", + "content": "MODIFICATION: Increase 7 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0081)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n\nPerformance:\n Mass: 429.80 kg\n Factor of Safety: 1.09\n Max Deflection: 7.76e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.8017094873998, + "fos_buckling": 1.087956490296335, + "fos_yielding": 9.073116308320454, + "deflection": 0.007757340747989946, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.319)" + }, + "parent_node_id": "node_2435", + "improvement_over_parent": null + }, + "node_2437": { + "node_id": "node_2437", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0104)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0104)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 539.40 kg\n Factor of Safety: 1.32\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 539.3985354350611, + "fos_buckling": 1.3246049762337966, + "fos_yielding": 11.462403716655706, + "deflection": 0.006215812248610116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_2436", + "improvement_over_parent": null + }, + "node_2438": { + "node_id": "node_2438", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0098)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0104)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0104)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 550.97 kg\n Factor of Safety: 1.45\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 550.971823333348, + "fos_buckling": 1.445327700123168, + "fos_yielding": 11.830173426259929, + "deflection": 0.00603228011620597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.195)" + }, + "parent_node_id": "node_2437", + "improvement_over_parent": null + }, + "node_2439": { + "node_id": "node_2439", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2438", + "improvement_over_parent": null + }, + "node_2440": { + "node_id": "node_2440", + "content": "INITIAL DESIGN (Trace 360)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 331.44 kg\n Factor of Safety: 0.66\n Max Deflection: 1.21e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 331.44324700446566, + "fos_buckling": 0.6577478946616909, + "fos_yielding": 8.155073597421481, + "deflection": 0.012052467885771688, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2441": { + "node_id": "node_2441", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 388.55 kg\n Factor of Safety: 0.66\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.55430631161875, + "fos_buckling": 0.6553676892203311, + "fos_yielding": 8.125562669741116, + "deflection": 0.010157643102871866, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008357)" + }, + "parent_node_id": "node_2440", + "improvement_over_parent": null + }, + "node_2442": { + "node_id": "node_2442", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 436.70 kg\n Factor of Safety: 0.73\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.70486237976377, + "fos_buckling": 0.726835843215511, + "fos_yielding": 9.130917544249044, + "deflection": 0.009053630613207646, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_2441", + "improvement_over_parent": null + }, + "node_2443": { + "node_id": "node_2443", + "content": "MODIFICATION: Increase 0 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 448.37 kg\n Factor of Safety: 0.73\n Max Deflection: 8.58e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.3675823984561, + "fos_buckling": 0.7263007283405186, + "fos_yielding": 9.124195132516236, + "deflection": 0.008576494634797545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.255)" + }, + "parent_node_id": "node_2442", + "improvement_over_parent": null + }, + "node_2444": { + "node_id": "node_2444", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 512.50 kg\n Factor of Safety: 1.19\n Max Deflection: 6.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 512.5002352910767, + "fos_buckling": 1.1922994372866589, + "fos_yielding": 13.549255771913264, + "deflection": 0.006461293128314211, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2443", + "improvement_over_parent": null + }, + "node_2445": { + "node_id": "node_2445", + "content": "MODIFICATION: Increase 2 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 520.17 kg\n Factor of Safety: 1.22\n Max Deflection: 6.38e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 520.169625657128, + "fos_buckling": 1.222487656512501, + "fos_yielding": 13.274463152177738, + "deflection": 0.006380999068586601, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.211)" + }, + "parent_node_id": "node_2444", + "improvement_over_parent": null + }, + "node_2446": { + "node_id": "node_2446", + "content": "MODIFICATION: Increase 7 thickness by 50%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.25 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2527050206264, + "fos_buckling": 1.5376029971459735, + "fos_yielding": 14.269646674832904, + "deflection": 0.005954255306800679, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.499)" + }, + "parent_node_id": "node_2445", + "improvement_over_parent": null + }, + "node_2447": { + "node_id": "node_2447", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2446", + "improvement_over_parent": null + }, + "node_2448": { + "node_id": "node_2448", + "content": "INITIAL DESIGN (Trace 361)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 367.21 kg\n Factor of Safety: 0.77\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.2070529227007, + "fos_buckling": 0.7712556717665269, + "fos_yielding": 5.891425481342358, + "deflection": 0.01359968405448796, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2449": { + "node_id": "node_2449", + "content": "MODIFICATION: Increase 1 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 374.92 kg\n Factor of Safety: 0.79\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.9183700599346, + "fos_buckling": 0.7931894175679594, + "fos_yielding": 7.348289131863789, + "deflection": 0.012645053066265814, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.300)" + }, + "parent_node_id": "node_2448", + "improvement_over_parent": null + }, + "node_2450": { + "node_id": "node_2450", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n\nPerformance:\n Mass: 384.92 kg\n Factor of Safety: 0.90\n Max Deflection: 8.47e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.91833908551484, + "fos_buckling": 0.9012383109110302, + "fos_yielding": 10.847819186847351, + "deflection": 0.008469966511729878, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004734)" + }, + "parent_node_id": "node_2449", + "improvement_over_parent": null + }, + "node_2451": { + "node_id": "node_2451", + "content": "MODIFICATION: Increase 1 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n\nPerformance:\n Mass: 397.97 kg\n Factor of Safety: 1.01\n Max Deflection: 8.02e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.9696196527553, + "fos_buckling": 1.0059667083679382, + "fos_yielding": 12.10680845617718, + "deflection": 0.00802458379859578, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.403)" + }, + "parent_node_id": "node_2450", + "improvement_over_parent": null + }, + "node_2452": { + "node_id": "node_2452", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 516.67 kg\n Factor of Safety: 1.27\n Max Deflection: 6.22e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 516.6667763148481, + "fos_buckling": 1.270317793416468, + "fos_yielding": 15.732143792939743, + "deflection": 0.006224959928307868, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_2451", + "improvement_over_parent": null + }, + "node_2453": { + "node_id": "node_2453", + "content": "MODIFICATION: Increase 2 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 528.93 kg\n Factor of Safety: 1.27\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 528.9308111465593, + "fos_buckling": 1.2747677892410623, + "fos_yielding": 15.12674800400479, + "deflection": 0.006119380850339741, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.381)" + }, + "parent_node_id": "node_2452", + "improvement_over_parent": null + }, + "node_2454": { + "node_id": "node_2454", + "content": "MODIFICATION: Increase 3 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2894215842433, + "fos_buckling": 1.537661460738508, + "fos_yielding": 14.271136178354645, + "deflection": 0.005953884432391126, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.629)" + }, + "parent_node_id": "node_2453", + "improvement_over_parent": null + }, + "node_2455": { + "node_id": "node_2455", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2454", + "improvement_over_parent": null + }, + "node_2456": { + "node_id": "node_2456", + "content": "INITIAL DESIGN (Trace 362)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 361.14 kg\n Factor of Safety: 0.22\n Max Deflection: 6.26e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.13592990835303, + "fos_buckling": 0.2180265939789365, + "fos_yielding": 1.8089464768574308, + "deflection": 62563724903459.96, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2457": { + "node_id": "node_2457", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 436.11 kg\n Factor of Safety: 0.92\n Max Deflection: 8.92e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.1132739377394, + "fos_buckling": 0.9162196749537679, + "fos_yielding": 8.790052700475021, + "deflection": 0.00892048569526017, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009629)" + }, + "parent_node_id": "node_2456", + "improvement_over_parent": null + }, + "node_2458": { + "node_id": "node_2458", + "content": "MODIFICATION: Increase 0 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 448.31 kg\n Factor of Safety: 0.92\n Max Deflection: 8.28e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.31439606626094, + "fos_buckling": 0.9155140169945198, + "fos_yielding": 11.251569607927802, + "deflection": 0.008276063503183011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.305)" + }, + "parent_node_id": "node_2457", + "improvement_over_parent": null + }, + "node_2459": { + "node_id": "node_2459", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.90 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.8991910614933, + "fos_buckling": 0.9973661799038904, + "fos_yielding": 12.481813250856957, + "deflection": 0.007460026482768506, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_2458", + "improvement_over_parent": null + }, + "node_2460": { + "node_id": "node_2460", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.50 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5019555219963, + "fos_buckling": 1.538281856899566, + "fos_yielding": 14.276861789698808, + "deflection": 0.005951678145247975, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2459", + "improvement_over_parent": null + }, + "node_2461": { + "node_id": "node_2461", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2460", + "improvement_over_parent": null + }, + "node_2462": { + "node_id": "node_2462", + "content": "INITIAL DESIGN (Trace 363)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n\nPerformance:\n Mass: 414.50 kg\n Factor of Safety: 0.55\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 414.49805044720915, + "fos_buckling": 0.5461686253453442, + "fos_yielding": 5.140356418302921, + "deflection": 0.012660968102842042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2463": { + "node_id": "node_2463", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 489.73 kg\n Factor of Safety: 1.25\n Max Deflection: 6.71e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.72601091383683, + "fos_buckling": 1.2462165182944893, + "fos_yielding": 9.88481959093707, + "deflection": 0.006708412517285333, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009664)" + }, + "parent_node_id": "node_2462", + "improvement_over_parent": null + }, + "node_2464": { + "node_id": "node_2464", + "content": "MODIFICATION: Increase 5 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 492.78 kg\n Factor of Safety: 1.42\n Max Deflection: 6.58e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 492.77882920829313, + "fos_buckling": 1.4161588812406036, + "fos_yielding": 12.863183650664801, + "deflection": 0.006579140768218324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.383)" + }, + "parent_node_id": "node_2463", + "improvement_over_parent": null + }, + "node_2465": { + "node_id": "node_2465", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.58 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5848186325833, + "fos_buckling": 1.538386294935393, + "fos_yielding": 14.284122789536184, + "deflection": 0.005950716512651933, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_2464", + "improvement_over_parent": null + }, + "node_2466": { + "node_id": "node_2466", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2465", + "improvement_over_parent": null + }, + "node_2467": { + "node_id": "node_2467", + "content": "INITIAL DESIGN (Trace 364)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 397.69 kg\n Factor of Safety: 1.07\n Max Deflection: 8.42e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.68669152791813, + "fos_buckling": 1.074074261973495, + "fos_yielding": 9.931677587646858, + "deflection": 0.008419618963413323, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2468": { + "node_id": "node_2468", + "content": "MODIFICATION: Increase 0 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 416.62 kg\n Factor of Safety: 1.01\n Max Deflection: 7.91e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.61955678082774, + "fos_buckling": 1.0113566128722933, + "fos_yielding": 10.615560478637148, + "deflection": 0.007913465337750655, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.664)" + }, + "parent_node_id": "node_2467", + "improvement_over_parent": null + }, + "node_2469": { + "node_id": "node_2469", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 520.98 kg\n Factor of Safety: 1.23\n Max Deflection: 6.36e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 520.9757075313846, + "fos_buckling": 1.231857713898328, + "fos_yielding": 13.310127465397578, + "deflection": 0.006364488442580188, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.274)" + }, + "parent_node_id": "node_2468", + "improvement_over_parent": null + }, + "node_2470": { + "node_id": "node_2470", + "content": "MODIFICATION: Increase 7 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.33 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3262272520859, + "fos_buckling": 1.5377627965168086, + "fos_yielding": 14.271165455750543, + "deflection": 0.0059535469451962855, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.479)" + }, + "parent_node_id": "node_2469", + "improvement_over_parent": null + }, + "node_2471": { + "node_id": "node_2471", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2470", + "improvement_over_parent": null + }, + "node_2472": { + "node_id": "node_2472", + "content": "INITIAL DESIGN (Trace 365)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 279.23 kg\n Factor of Safety: 0.56\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.228352275324, + "fos_buckling": 0.5614063862697203, + "fos_yielding": 6.845753772756413, + "deflection": 0.01363997084895752, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2473": { + "node_id": "node_2473", + "content": "MODIFICATION: Increase 0 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n\nPerformance:\n Mass: 292.25 kg\n Factor of Safety: 0.56\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 292.24824162016307, + "fos_buckling": 0.5609404492751129, + "fos_yielding": 6.8400721666744175, + "deflection": 0.012987445001798529, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.567)" + }, + "parent_node_id": "node_2472", + "improvement_over_parent": null + }, + "node_2474": { + "node_id": "node_2474", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n\nPerformance:\n Mass: 320.87 kg\n Factor of Safety: 0.90\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.87293403701034, + "fos_buckling": 0.897366823320005, + "fos_yielding": 8.285643224584033, + "deflection": 0.010064868948377015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005026)" + }, + "parent_node_id": "node_2473", + "improvement_over_parent": null + }, + "node_2475": { + "node_id": "node_2475", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 415.65 kg\n Factor of Safety: 1.13\n Max Deflection: 7.81e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.6505761868384, + "fos_buckling": 1.1285178022612723, + "fos_yielding": 10.755934556994998, + "deflection": 0.007813484461403668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.316)" + }, + "parent_node_id": "node_2474", + "improvement_over_parent": null + }, + "node_2476": { + "node_id": "node_2476", + "content": "MODIFICATION: Increase 10 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0079)]\n\nPerformance:\n Mass: 422.06 kg\n Factor of Safety: 1.15\n Max Deflection: 7.74e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 422.05756278915914, + "fos_buckling": 1.1505123068191156, + "fos_yielding": 10.578763466749823, + "deflection": 0.0077426012343371105, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.188)" + }, + "parent_node_id": "node_2475", + "improvement_over_parent": null + }, + "node_2477": { + "node_id": "node_2477", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0103)]\n\nPerformance:\n Mass: 542.03 kg\n Factor of Safety: 1.42\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.0339074164428, + "fos_buckling": 1.4222849780271578, + "fos_yielding": 13.631184490271481, + "deflection": 0.006070271783856677, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.312)" + }, + "parent_node_id": "node_2476", + "improvement_over_parent": null + }, + "node_2478": { + "node_id": "node_2478", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2477", + "improvement_over_parent": null + }, + "node_2479": { + "node_id": "node_2479", + "content": "INITIAL DESIGN (Trace 366)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 403.62 kg\n Factor of Safety: 1.26\n Max Deflection: 8.06e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.6219300788606, + "fos_buckling": 1.2594900644679017, + "fos_yielding": 11.035651592473316, + "deflection": 0.00805851798568563, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2480": { + "node_id": "node_2480", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 448.54 kg\n Factor of Safety: 1.37\n Max Deflection: 7.27e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 448.5415662701359, + "fos_buckling": 1.3742986562741943, + "fos_yielding": 12.268569335125633, + "deflection": 0.007270099451459646, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_2479", + "improvement_over_parent": null + }, + "node_2481": { + "node_id": "node_2481", + "content": "MODIFICATION: Increase 9 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 461.78 kg\n Factor of Safety: 1.37\n Max Deflection: 7.12e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.77823210656265, + "fos_buckling": 1.3669584897997027, + "fos_yielding": 11.82849707888127, + "deflection": 0.007115433263798124, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.337)" + }, + "parent_node_id": "node_2480", + "improvement_over_parent": null + }, + "node_2482": { + "node_id": "node_2482", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.13 kg\n Factor of Safety: 1.53\n Max Deflection: 6.20e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 532.1332101485845, + "fos_buckling": 1.5328861497389115, + "fos_yielding": 13.650029972487651, + "deflection": 0.006199339958500361, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_2481", + "improvement_over_parent": null + }, + "node_2483": { + "node_id": "node_2483", + "content": "MODIFICATION: Increase 1 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.54 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5435429041273, + "fos_buckling": 1.5382166821638619, + "fos_yielding": 14.275215940707225, + "deflection": 0.005951399789107279, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.333)" + }, + "parent_node_id": "node_2482", + "improvement_over_parent": null + }, + "node_2484": { + "node_id": "node_2484", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2483", + "improvement_over_parent": null + }, + "node_2485": { + "node_id": "node_2485", + "content": "INITIAL DESIGN (Trace 367)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 514.79 kg\n Factor of Safety: 1.35\n Max Deflection: 6.21e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 514.7863494327346, + "fos_buckling": 1.346474008546194, + "fos_yielding": 14.375685814821804, + "deflection": 0.006213117625160033, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2486": { + "node_id": "node_2486", + "content": "MODIFICATION: Increase 8 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.93 kg\n Factor of Safety: 1.35\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.927092015271, + "fos_buckling": 1.3507124398480292, + "fos_yielding": 14.42093760308965, + "deflection": 0.006101254219124011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.339)" + }, + "parent_node_id": "node_2485", + "improvement_over_parent": null + }, + "node_2487": { + "node_id": "node_2487", + "content": "MODIFICATION: Increase 6 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.12 kg\n Factor of Safety: 1.49\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.1185298422398, + "fos_buckling": 1.4866592676661854, + "fos_yielding": 14.714502194078296, + "deflection": 0.0060478154331823865, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.543)" + }, + "parent_node_id": "node_2486", + "improvement_over_parent": null + }, + "node_2488": { + "node_id": "node_2488", + "content": "MODIFICATION: Increase 9 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2982439294248, + "fos_buckling": 1.53766022574933, + "fos_yielding": 14.269394816325036, + "deflection": 0.005953934348641718, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.284)" + }, + "parent_node_id": "node_2487", + "improvement_over_parent": null + }, + "node_2489": { + "node_id": "node_2489", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2488", + "improvement_over_parent": null + }, + "node_2490": { + "node_id": "node_2490", + "content": "INITIAL DESIGN (Trace 368)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 265.80 kg\n Factor of Safety: 0.45\n Max Deflection: 1.55e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 265.80098981130607, + "fos_buckling": 0.4526265522455588, + "fos_yielding": 5.423715043623662, + "deflection": 0.015535919222582946, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2491": { + "node_id": "node_2491", + "content": "MODIFICATION: Increase 0 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 277.94 kg\n Factor of Safety: 0.45\n Max Deflection: 1.50e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.94090511721464, + "fos_buckling": 0.4522759658764613, + "fos_yielding": 5.419514051537074, + "deflection": 0.014954056893767201, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.506)" + }, + "parent_node_id": "node_2490", + "improvement_over_parent": null + }, + "node_2492": { + "node_id": "node_2492", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 361.54 kg\n Factor of Safety: 0.58\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.5376051519224, + "fos_buckling": 0.5761713693256747, + "fos_yielding": 7.046440567806068, + "deflection": 0.011530356397716672, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_2491", + "improvement_over_parent": null + }, + "node_2493": { + "node_id": "node_2493", + "content": "MODIFICATION: Increase 1 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 370.12 kg\n Factor of Safety: 0.58\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.1153263386864, + "fos_buckling": 0.5758578619397938, + "fos_yielding": 7.042606446085021, + "deflection": 0.010970359440361257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.230)" + }, + "parent_node_id": "node_2492", + "improvement_over_parent": null + }, + "node_2494": { + "node_id": "node_2494", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n\nPerformance:\n Mass: 397.98 kg\n Factor of Safety: 0.94\n Max Deflection: 8.29e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.9765606358584, + "fos_buckling": 0.9355813770296086, + "fos_yielding": 10.723436984767844, + "deflection": 0.008287428507127888, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.004885)" + }, + "parent_node_id": "node_2493", + "improvement_over_parent": null + }, + "node_2495": { + "node_id": "node_2495", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 507.37 kg\n Factor of Safety: 1.16\n Max Deflection: 6.54e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 507.37150777669467, + "fos_buckling": 1.161589397952679, + "fos_yielding": 13.701123504021643, + "deflection": 0.00653795574689261, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.300)" + }, + "parent_node_id": "node_2494", + "improvement_over_parent": null + }, + "node_2496": { + "node_id": "node_2496", + "content": "MODIFICATION: Increase 3 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 510.46 kg\n Factor of Safety: 1.16\n Max Deflection: 6.51e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 510.4605137359209, + "fos_buckling": 1.1608879708890174, + "fos_yielding": 13.567656396740086, + "deflection": 0.006506602532438982, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.366)" + }, + "parent_node_id": "node_2495", + "improvement_over_parent": null + }, + "node_2497": { + "node_id": "node_2497", + "content": "MODIFICATION: Increase 10 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0074)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0097)]\n\nPerformance:\n Mass: 527.25 kg\n Factor of Safety: 1.23\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 527.2466902766021, + "fos_buckling": 1.2267829193844035, + "fos_yielding": 12.975303066204892, + "deflection": 0.006327849231209084, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.522)" + }, + "parent_node_id": "node_2496", + "improvement_over_parent": null + }, + "node_2498": { + "node_id": "node_2498", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2497", + "improvement_over_parent": null + }, + "node_2499": { + "node_id": "node_2499", + "content": "INITIAL DESIGN (Trace 369)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 347.88 kg\n Factor of Safety: 0.70\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.8770046278145, + "fos_buckling": 0.7041523572079735, + "fos_yielding": 8.802654123594769, + "deflection": 0.011910065360805638, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2500": { + "node_id": "node_2500", + "content": "MODIFICATION: Increase 8 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 359.89 kg\n Factor of Safety: 0.84\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.8903813640304, + "fos_buckling": 0.8365223989890986, + "fos_yielding": 10.104295305501562, + "deflection": 0.011243401249828821, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.235)" + }, + "parent_node_id": "node_2499", + "improvement_over_parent": null + }, + "node_2501": { + "node_id": "node_2501", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 397.82 kg\n Factor of Safety: 0.91\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.81966876946126, + "fos_buckling": 0.9087523541342767, + "fos_yielding": 11.14045019977205, + "deflection": 0.010188623541578377, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_2500", + "improvement_over_parent": null + }, + "node_2502": { + "node_id": "node_2502", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 454.65 kg\n Factor of Safety: 0.92\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.6537346890043, + "fos_buckling": 0.916243982913488, + "fos_yielding": 11.238982841408419, + "deflection": 0.01018864343941259, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008313)" + }, + "parent_node_id": "node_2501", + "improvement_over_parent": null + }, + "node_2503": { + "node_id": "node_2503", + "content": "MODIFICATION: Increase 7 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 472.75 kg\n Factor of Safety: 0.92\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.75331532987093, + "fos_buckling": 0.916906934892851, + "fos_yielding": 11.245386787458978, + "deflection": 0.010188642020193556, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.506)" + }, + "parent_node_id": "node_2502", + "improvement_over_parent": null + }, + "node_2504": { + "node_id": "node_2504", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 533.84 kg\n Factor of Safety: 1.01\n Max Deflection: 9.04e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.8425025576404, + "fos_buckling": 1.0124891726858174, + "fos_yielding": 12.67420452764178, + "deflection": 0.00904006440990442, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_2503", + "improvement_over_parent": null + }, + "node_2505": { + "node_id": "node_2505", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.81 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.8120220671952, + "fos_buckling": 1.5387408831598897, + "fos_yielding": 14.274206285330909, + "deflection": 0.005948422571224087, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2504", + "improvement_over_parent": null + }, + "node_2506": { + "node_id": "node_2506", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2505", + "improvement_over_parent": null + }, + "node_2507": { + "node_id": "node_2507", + "content": "INITIAL DESIGN (Trace 370)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 416.51 kg\n Factor of Safety: 0.95\n Max Deflection: 7.90e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.5106438420237, + "fos_buckling": 0.9469879273428699, + "fos_yielding": 9.772922881472294, + "deflection": 0.007902746488448818, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2508": { + "node_id": "node_2508", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 522.74 kg\n Factor of Safety: 1.15\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 522.7393983043152, + "fos_buckling": 1.154831457468329, + "fos_yielding": 12.165099057507351, + "deflection": 0.006334731621559245, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_2507", + "improvement_over_parent": null + }, + "node_2509": { + "node_id": "node_2509", + "content": "MODIFICATION: Increase 4 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 524.77 kg\n Factor of Safety: 1.30\n Max Deflection: 6.28e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 524.7653511066053, + "fos_buckling": 1.3035684866460093, + "fos_yielding": 13.69379686755509, + "deflection": 0.006282365479334298, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.383)" + }, + "parent_node_id": "node_2508", + "improvement_over_parent": null + }, + "node_2510": { + "node_id": "node_2510", + "content": "MODIFICATION: Increase 4 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 526.70 kg\n Factor of Safety: 1.30\n Max Deflection: 6.25e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.7022662888619, + "fos_buckling": 1.3026960680658133, + "fos_yielding": 13.561855056334906, + "deflection": 0.006251219844219932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.276)" + }, + "parent_node_id": "node_2509", + "improvement_over_parent": null + }, + "node_2511": { + "node_id": "node_2511", + "content": "MODIFICATION: Increase 10 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.52 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5246800459262, + "fos_buckling": 1.5382404737223303, + "fos_yielding": 14.276445991512709, + "deflection": 0.005951442095396697, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.342)" + }, + "parent_node_id": "node_2510", + "improvement_over_parent": null + }, + "node_2512": { + "node_id": "node_2512", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2511", + "improvement_over_parent": null + }, + "node_2513": { + "node_id": "node_2513", + "content": "INITIAL DESIGN (Trace 371)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2514": { + "node_id": "node_2514", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n\nPerformance:\n Mass: 330.23 kg\n Factor of Safety: 0.74\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.2313151871308, + "fos_buckling": 0.7370171408139007, + "fos_yielding": 8.741990625992402, + "deflection": 0.010656217852529593, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.004083)" + }, + "parent_node_id": "node_2513", + "improvement_over_parent": null + }, + "node_2515": { + "node_id": "node_2515", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n\nPerformance:\n Mass: 402.33 kg\n Factor of Safety: 0.87\n Max Deflection: 8.79e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.32728355775004, + "fos_buckling": 0.8704197162246246, + "fos_yielding": 10.597634516080957, + "deflection": 0.00878982887882944, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.235)" + }, + "parent_node_id": "node_2514", + "improvement_over_parent": null + }, + "node_2516": { + "node_id": "node_2516", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 442.51 kg\n Factor of Safety: 1.26\n Max Deflection: 7.23e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.5062700814309, + "fos_buckling": 1.2588847843899624, + "fos_yielding": 12.758304085329307, + "deflection": 0.007230270878030958, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007214)" + }, + "parent_node_id": "node_2515", + "improvement_over_parent": null + }, + "node_2517": { + "node_id": "node_2517", + "content": "MODIFICATION: Increase 8 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0141)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 477.65 kg\n Factor of Safety: 1.26\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 477.6455598060901, + "fos_buckling": 1.260602730389645, + "fos_yielding": 13.68186189952759, + "deflection": 0.006806879653491952, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.565)" + }, + "parent_node_id": "node_2516", + "improvement_over_parent": null + }, + "node_2518": { + "node_id": "node_2518", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0169)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 564.95 kg\n Factor of Safety: 1.45\n Max Deflection: 5.78e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 564.9534415725896, + "fos_buckling": 1.4463231840109865, + "fos_yielding": 16.20190325739042, + "deflection": 0.005780538826339614, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_2517", + "improvement_over_parent": null + }, + "node_2519": { + "node_id": "node_2519", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2518", + "improvement_over_parent": null + }, + "node_2520": { + "node_id": "node_2520", + "content": "INITIAL DESIGN (Trace 372)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 398.82 kg\n Factor of Safety: 0.84\n Max Deflection: 9.24e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.8176741118915, + "fos_buckling": 0.8375550558037576, + "fos_yielding": 10.131560174326765, + "deflection": 0.009239423213559323, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2521": { + "node_id": "node_2521", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 494.42 kg\n Factor of Safety: 1.00\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.41770159624537, + "fos_buckling": 0.9971962550100545, + "fos_yielding": 12.483145455389485, + "deflection": 0.007497729910635116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_2520", + "improvement_over_parent": null + }, + "node_2522": { + "node_id": "node_2522", + "content": "MODIFICATION: Increase 3 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 496.80 kg\n Factor of Safety: 1.00\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 496.80395690436467, + "fos_buckling": 0.9971962550100545, + "fos_yielding": 12.483145455389485, + "deflection": 0.007497729910635116, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.361)" + }, + "parent_node_id": "node_2521", + "improvement_over_parent": null + }, + "node_2523": { + "node_id": "node_2523", + "content": "MODIFICATION: Increase 5 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.80 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.8012971727778, + "fos_buckling": 0.9971962550100545, + "fos_yielding": 12.483145455389485, + "deflection": 0.007461039981897633, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.287)" + }, + "parent_node_id": "node_2522", + "improvement_over_parent": null + }, + "node_2524": { + "node_id": "node_2524", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.40 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4040616332808, + "fos_buckling": 1.53797384154513, + "fos_yielding": 14.274033596096976, + "deflection": 0.005952687694903487, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2523", + "improvement_over_parent": null + }, + "node_2525": { + "node_id": "node_2525", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2524", + "improvement_over_parent": null + }, + "node_2526": { + "node_id": "node_2526", + "content": "INITIAL DESIGN (Trace 373)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 472.73 kg\n Factor of Safety: 1.35\n Max Deflection: 6.91e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.72696145203776, + "fos_buckling": 1.3501762577263736, + "fos_yielding": 12.353926346227796, + "deflection": 0.00691280461580396, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2527": { + "node_id": "node_2527", + "content": "MODIFICATION: Increase 1 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 480.95 kg\n Factor of Safety: 1.35\n Max Deflection: 6.75e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.9494816119398, + "fos_buckling": 1.3451276806199552, + "fos_yielding": 12.69220660287943, + "deflection": 0.006746039154565892, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.192)" + }, + "parent_node_id": "node_2526", + "improvement_over_parent": null + }, + "node_2528": { + "node_id": "node_2528", + "content": "MODIFICATION: Increase 4 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 482.44 kg\n Factor of Safety: 1.39\n Max Deflection: 6.72e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.43505987027186, + "fos_buckling": 1.3919856871748935, + "fos_yielding": 12.584378774891071, + "deflection": 0.006716142365994584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.229)" + }, + "parent_node_id": "node_2527", + "improvement_over_parent": null + }, + "node_2529": { + "node_id": "node_2529", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.10 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1035329466853, + "fos_buckling": 1.5373564070180659, + "fos_yielding": 14.264665350856255, + "deflection": 0.005955898988014402, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.145)" + }, + "parent_node_id": "node_2528", + "improvement_over_parent": null + }, + "node_2530": { + "node_id": "node_2530", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2529", + "improvement_over_parent": null + }, + "node_2531": { + "node_id": "node_2531", + "content": "INITIAL DESIGN (Trace 374)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n\nPerformance:\n Mass: 292.03 kg\n Factor of Safety: 0.32\n Max Deflection: 4.85e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 292.0287661218973, + "fos_buckling": 0.31515700878164726, + "fos_yielding": 4.335471726093158, + "deflection": 0.04849308906986647, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2532": { + "node_id": "node_2532", + "content": "MODIFICATION: Increase 7 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n\nPerformance:\n Mass: 305.27 kg\n Factor of Safety: 0.37\n Max Deflection: 4.65e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 305.2689843528359, + "fos_buckling": 0.3664243618650275, + "fos_yielding": 4.335471726093158, + "deflection": 0.04646019486658436, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.464)" + }, + "parent_node_id": "node_2531", + "improvement_over_parent": null + }, + "node_2533": { + "node_id": "node_2533", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 337.25 kg\n Factor of Safety: 0.40\n Max Deflection: 4.21e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.2532448401175, + "fos_buckling": 0.39958350268883935, + "fos_yielding": 4.785798940190863, + "deflection": 0.04208843433599423, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_2532", + "improvement_over_parent": null + }, + "node_2534": { + "node_id": "node_2534", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 399.82 kg\n Factor of Safety: 0.80\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.8150025902157, + "fos_buckling": 0.7960195099193175, + "fos_yielding": 9.532502623176686, + "deflection": 0.01201954705065133, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007922)" + }, + "parent_node_id": "node_2533", + "improvement_over_parent": null + }, + "node_2535": { + "node_id": "node_2535", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 449.44 kg\n Factor of Safety: 0.88\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.4443248074059, + "fos_buckling": 0.8790882209534411, + "fos_yielding": 10.699064634841202, + "deflection": 0.010709036296635778, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.134)" + }, + "parent_node_id": "node_2534", + "improvement_over_parent": null + }, + "node_2536": { + "node_id": "node_2536", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.33 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.3315513978728, + "fos_buckling": 1.0117250393216104, + "fos_yielding": 12.662624955867342, + "deflection": 0.00904845697466822, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_2535", + "improvement_over_parent": null + }, + "node_2537": { + "node_id": "node_2537", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3010709074276, + "fos_buckling": 1.537605300794278, + "fos_yielding": 14.272727879613988, + "deflection": 0.005953574696067529, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2536", + "improvement_over_parent": null + }, + "node_2538": { + "node_id": "node_2538", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2537", + "improvement_over_parent": null + }, + "node_2539": { + "node_id": "node_2539", + "content": "INITIAL DESIGN (Trace 375)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0025)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 277.04 kg\n Factor of Safety: 0.69\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.03712393801277, + "fos_buckling": 0.693210929431972, + "fos_yielding": 8.154265833015051, + "deflection": 0.014110339942258172, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2540": { + "node_id": "node_2540", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 344.39 kg\n Factor of Safety: 0.84\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.38850368398914, + "fos_buckling": 0.8352895289367156, + "fos_yielding": 10.093280953568598, + "deflection": 0.011410004158321463, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_2539", + "improvement_over_parent": null + }, + "node_2541": { + "node_id": "node_2541", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 381.55 kg\n Factor of Safety: 0.91\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.5531110298951, + "fos_buckling": 0.9093658808010108, + "fos_yielding": 11.156100909306227, + "deflection": 0.010328100509581257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_2540", + "improvement_over_parent": null + }, + "node_2542": { + "node_id": "node_2542", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 438.43 kg\n Factor of Safety: 0.91\n Max Deflection: 8.43e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 438.43126086037046, + "fos_buckling": 0.9060980747475992, + "fos_yielding": 11.11601146362371, + "deflection": 0.00843316655681542, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008320)" + }, + "parent_node_id": "node_2541", + "improvement_over_parent": null + }, + "node_2543": { + "node_id": "node_2543", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 480.65 kg\n Factor of Safety: 1.12\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 480.64773230837045, + "fos_buckling": 1.1243124642457272, + "fos_yielding": 8.791584760078646, + "deflection": 0.006878500119754948, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007611)" + }, + "parent_node_id": "node_2542", + "improvement_over_parent": null + }, + "node_2544": { + "node_id": "node_2544", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 541.92 kg\n Factor of Safety: 1.26\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.923874576958, + "fos_buckling": 1.2572732552081352, + "fos_yielding": 9.959922572783892, + "deflection": 0.006120671997092724, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_2543", + "improvement_over_parent": null + }, + "node_2545": { + "node_id": "node_2545", + "content": "MODIFICATION: Increase 5 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0085)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.60 kg\n Factor of Safety: 1.24\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.59512934063, + "fos_buckling": 1.2409723392086214, + "fos_yielding": 9.830789259442447, + "deflection": 0.006082149019448292, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.565)" + }, + "parent_node_id": "node_2544", + "improvement_over_parent": null + }, + "node_2546": { + "node_id": "node_2546", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2545", + "improvement_over_parent": null + }, + "node_2547": { + "node_id": "node_2547", + "content": "INITIAL DESIGN (Trace 376)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 372.92 kg\n Factor of Safety: 0.82\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.91609746383307, + "fos_buckling": 0.8246902827131308, + "fos_yielding": 9.947403757032752, + "deflection": 0.011375563352377828, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2548": { + "node_id": "node_2548", + "content": "MODIFICATION: Increase 2 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 380.10 kg\n Factor of Safety: 0.82\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 380.09780008364595, + "fos_buckling": 0.8243146665703415, + "fos_yielding": 9.942873079870306, + "deflection": 0.011380813229689594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.253)" + }, + "parent_node_id": "node_2547", + "improvement_over_parent": null + }, + "node_2549": { + "node_id": "node_2549", + "content": "MODIFICATION: Increase 4 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 382.11 kg\n Factor of Safety: 0.82\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 382.11125780593244, + "fos_buckling": 0.8243146665703415, + "fos_yielding": 9.942873079870306, + "deflection": 0.011380813229689594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.385)" + }, + "parent_node_id": "node_2548", + "improvement_over_parent": null + }, + "node_2550": { + "node_id": "node_2550", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 483.10 kg\n Factor of Safety: 1.00\n Max Deflection: 9.03e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.09875033502016, + "fos_buckling": 0.9981040413544543, + "fos_yielding": 12.492448962347193, + "deflection": 0.009028386305402545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_2549", + "improvement_over_parent": null + }, + "node_2551": { + "node_id": "node_2551", + "content": "MODIFICATION: Increase 3 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 485.41 kg\n Factor of Safety: 1.00\n Max Deflection: 9.03e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.40687886540246, + "fos_buckling": 0.9981040413544543, + "fos_yielding": 12.492448962347193, + "deflection": 0.009028386305402545, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.346)" + }, + "parent_node_id": "node_2550", + "improvement_over_parent": null + }, + "node_2552": { + "node_id": "node_2552", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.38 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.3763983749573, + "fos_buckling": 0.9964748525476369, + "fos_yielding": 12.472057743420175, + "deflection": 0.007467350424468445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2551", + "improvement_over_parent": null + }, + "node_2553": { + "node_id": "node_2553", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9791628354603, + "fos_buckling": 1.5370569542825352, + "fos_yielding": 14.267208829186737, + "deflection": 0.0059572441277746194, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2552", + "improvement_over_parent": null + }, + "node_2554": { + "node_id": "node_2554", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2553", + "improvement_over_parent": null + }, + "node_2555": { + "node_id": "node_2555", + "content": "INITIAL DESIGN (Trace 377)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2556": { + "node_id": "node_2556", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 251.83 kg\n Factor of Safety: 0.45\n Max Deflection: 1.37e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.82759921684675, + "fos_buckling": 0.45444605834493124, + "fos_yielding": 3.6178929537148616, + "deflection": 13666337307580.139, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007232)" + }, + "parent_node_id": "node_2555", + "improvement_over_parent": null + }, + "node_2557": { + "node_id": "node_2557", + "content": "MODIFICATION: Increase 2 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 253.23 kg\n Factor of Safety: 0.45\n Max Deflection: 1.37e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 253.2293555342436, + "fos_buckling": 0.45444605834493124, + "fos_yielding": 3.6178929537148616, + "deflection": 13666337307580.139, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.284)" + }, + "parent_node_id": "node_2556", + "improvement_over_parent": null + }, + "node_2558": { + "node_id": "node_2558", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 310.67 kg\n Factor of Safety: 0.73\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 310.6653495866226, + "fos_buckling": 0.7337640438247471, + "fos_yielding": 8.697002266250749, + "deflection": 0.013226654510271718, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007232)" + }, + "parent_node_id": "node_2557", + "improvement_over_parent": null + }, + "node_2559": { + "node_id": "node_2559", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 348.07 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.07160144186105, + "fos_buckling": 0.80857548977949, + "fos_yielding": 9.721352781957261, + "deflection": 0.011838094690484588, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_2558", + "improvement_over_parent": null + }, + "node_2560": { + "node_id": "node_2560", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 451.44 kg\n Factor of Safety: 1.00\n Max Deflection: 9.20e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.44325430417643, + "fos_buckling": 1.000608695936876, + "fos_yielding": 12.527332697494561, + "deflection": 0.009197440356323468, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_2559", + "improvement_over_parent": null + }, + "node_2561": { + "node_id": "node_2561", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 499.05 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 499.0460187646794, + "fos_buckling": 0.9976114630330245, + "fos_yielding": 12.489808204742406, + "deflection": 0.007457250382332707, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2560", + "improvement_over_parent": null + }, + "node_2562": { + "node_id": "node_2562", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.65 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6487832251823, + "fos_buckling": 1.5385198878630904, + "fos_yielding": 14.283327387862707, + "deflection": 0.005949851695573841, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2561", + "improvement_over_parent": null + }, + "node_2563": { + "node_id": "node_2563", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2562", + "improvement_over_parent": null + }, + "node_2564": { + "node_id": "node_2564", + "content": "INITIAL DESIGN (Trace 378)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2565": { + "node_id": "node_2565", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.75 kg\n Factor of Safety: 0.11\n Max Deflection: 1.88e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.748726752415, + "fos_buckling": 0.10706423150170293, + "fos_yielding": 1.7368991144325174, + "deflection": 187695469801073.6, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2564", + "improvement_over_parent": null + }, + "node_2566": { + "node_id": "node_2566", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.14395918577645, + "fos_buckling": 0.9980064908894881, + "fos_yielding": 12.493085213935531, + "deflection": 0.007457349292585725, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2565", + "improvement_over_parent": null + }, + "node_2567": { + "node_id": "node_2567", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2766120783971, + "fos_buckling": 1.5376708790153788, + "fos_yielding": 14.269784410871935, + "deflection": 0.005954069601047974, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2566", + "improvement_over_parent": null + }, + "node_2568": { + "node_id": "node_2568", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2567", + "improvement_over_parent": null + }, + "node_2569": { + "node_id": "node_2569", + "content": "INITIAL DESIGN (Trace 379)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 294.49 kg\n Factor of Safety: 0.88\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.4887640868929, + "fos_buckling": 0.8813568125443471, + "fos_yielding": 8.611653440891725, + "deflection": 0.010767409244907556, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2570": { + "node_id": "node_2570", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0035)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 333.56 kg\n Factor of Safety: 0.98\n Max Deflection: 9.53e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.56114389742356, + "fos_buckling": 0.9836883663437385, + "fos_yielding": 9.756731528679033, + "deflection": 0.009528792199073035, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_2569", + "improvement_over_parent": null + }, + "node_2571": { + "node_id": "node_2571", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 420.36 kg\n Factor of Safety: 1.20\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 420.35986541099487, + "fos_buckling": 1.1991081896079485, + "fos_yielding": 12.301841173856088, + "deflection": 0.007601149580441962, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_2570", + "improvement_over_parent": null + }, + "node_2572": { + "node_id": "node_2572", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.75 kg\n Factor of Safety: 1.43\n Max Deflection: 6.16e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.7513033550268, + "fos_buckling": 1.4302601991800803, + "fos_yielding": 15.2762814455863, + "deflection": 0.006161613173843885, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_2571", + "improvement_over_parent": null + }, + "node_2573": { + "node_id": "node_2573", + "content": "MODIFICATION: Increase 9 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 535.34 kg\n Factor of Safety: 1.50\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 535.3380044272601, + "fos_buckling": 1.4967471361193572, + "fos_yielding": 14.613513592846406, + "deflection": 0.006030135028317909, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.368)" + }, + "parent_node_id": "node_2572", + "improvement_over_parent": null + }, + "node_2574": { + "node_id": "node_2574", + "content": "MODIFICATION: Increase 9 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1247583884241, + "fos_buckling": 1.5372659874083094, + "fos_yielding": 14.263803217575951, + "deflection": 0.005955836029029345, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.222)" + }, + "parent_node_id": "node_2573", + "improvement_over_parent": null + }, + "node_2575": { + "node_id": "node_2575", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2574", + "improvement_over_parent": null + }, + "node_2576": { + "node_id": "node_2576", + "content": "INITIAL DESIGN (Trace 380)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n\nPerformance:\n Mass: 246.94 kg\n Factor of Safety: 0.30\n Max Deflection: 5.74e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 246.93550759794965, + "fos_buckling": 0.3033904258806173, + "fos_yielding": 3.5120241956963656, + "deflection": 0.057350865559869124, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2577": { + "node_id": "node_2577", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n\nPerformance:\n Mass: 254.05 kg\n Factor of Safety: 0.36\n Max Deflection: 1.98e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 254.05411734117843, + "fos_buckling": 0.35661401472055754, + "fos_yielding": 3.960972285658887, + "deflection": 0.019845584495429003, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003303)" + }, + "parent_node_id": "node_2576", + "improvement_over_parent": null + }, + "node_2578": { + "node_id": "node_2578", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n\nPerformance:\n Mass: 332.31 kg\n Factor of Safety: 0.45\n Max Deflection: 1.52e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 332.30890132931165, + "fos_buckling": 0.45108410868871524, + "fos_yielding": 5.142525675616049, + "deflection": 0.015244165746748176, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_2577", + "improvement_over_parent": null + }, + "node_2579": { + "node_id": "node_2579", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 392.20 kg\n Factor of Safety: 1.17\n Max Deflection: 8.22e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 392.2040448549354, + "fos_buckling": 1.1709354604241518, + "fos_yielding": 10.212003107307062, + "deflection": 0.008216224535670792, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007562)" + }, + "parent_node_id": "node_2578", + "improvement_over_parent": null + }, + "node_2580": { + "node_id": "node_2580", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 490.14 kg\n Factor of Safety: 1.41\n Max Deflection: 6.61e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.1377954675565, + "fos_buckling": 1.4099373632233656, + "fos_yielding": 12.788755315950855, + "deflection": 0.0066135788048125085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.271)" + }, + "parent_node_id": "node_2579", + "improvement_over_parent": null + }, + "node_2581": { + "node_id": "node_2581", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.90 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8955522195472, + "fos_buckling": 1.5367933225408783, + "fos_yielding": 14.260648436582176, + "deflection": 0.0059580180888887625, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_2580", + "improvement_over_parent": null + }, + "node_2582": { + "node_id": "node_2582", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2581", + "improvement_over_parent": null + }, + "node_2583": { + "node_id": "node_2583", + "content": "INITIAL DESIGN (Trace 381)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0031)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0031)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0027)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0027)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0014)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0020)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0017)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0023)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0030)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0030)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0034)]\n\nPerformance:\n Mass: 173.70 kg\n Factor of Safety: 0.44\n Max Deflection: 1.88e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 173.69901733382952, + "fos_buckling": 0.43734167142611324, + "fos_yielding": 4.44082065308075, + "deflection": 0.0188145496801898, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2584": { + "node_id": "node_2584", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0017)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0027)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 205.35 kg\n Factor of Safety: 0.51\n Max Deflection: 1.59e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 205.34549119994043, + "fos_buckling": 0.51323070426382, + "fos_yielding": 5.253936547905118, + "deflection": 0.015943133407689058, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_2583", + "improvement_over_parent": null + }, + "node_2585": { + "node_id": "node_2585", + "content": "MODIFICATION: Increase 4 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0027)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 206.04 kg\n Factor of Safety: 0.52\n Max Deflection: 1.59e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 206.0409670782986, + "fos_buckling": 0.5190674935487551, + "fos_yielding": 5.209943703229445, + "deflection": 0.01585129070628867, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.229)" + }, + "parent_node_id": "node_2584", + "improvement_over_parent": null + }, + "node_2586": { + "node_id": "node_2586", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0032)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 241.37 kg\n Factor of Safety: 0.60\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 241.37059021197086, + "fos_buckling": 0.6030658842163252, + "fos_yielding": 6.108661917573324, + "deflection": 0.013557781628760245, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.178)" + }, + "parent_node_id": "node_2585", + "improvement_over_parent": null + }, + "node_2587": { + "node_id": "node_2587", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0042)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 315.98 kg\n Factor of Safety: 0.78\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.9810549115397, + "fos_buckling": 0.7756861385245561, + "fos_yielding": 8.011935887916705, + "deflection": 0.010399333580747782, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.325)" + }, + "parent_node_id": "node_2586", + "improvement_over_parent": null + }, + "node_2588": { + "node_id": "node_2588", + "content": "MODIFICATION: Increase 7 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 332.70 kg\n Factor of Safety: 1.02\n Max Deflection: 9.65e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 332.7012497561757, + "fos_buckling": 1.015470097923716, + "fos_yielding": 8.650678963887088, + "deflection": 0.00965086612315479, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.517)" + }, + "parent_node_id": "node_2587", + "improvement_over_parent": null + }, + "node_2589": { + "node_id": "node_2589", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 427.97 kg\n Factor of Safety: 1.26\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.9745665807907, + "fos_buckling": 1.2605915527561942, + "fos_yielding": 11.15063630651581, + "deflection": 0.007545921844499091, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.307)" + }, + "parent_node_id": "node_2588", + "improvement_over_parent": null + }, + "node_2590": { + "node_id": "node_2590", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.87 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.872268092892, + "fos_buckling": 1.538907689092561, + "fos_yielding": 14.284853497252884, + "deflection": 0.0059477948215432295, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.305)" + }, + "parent_node_id": "node_2589", + "improvement_over_parent": null + }, + "node_2591": { + "node_id": "node_2591", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2590", + "improvement_over_parent": null + }, + "node_2592": { + "node_id": "node_2592", + "content": "INITIAL DESIGN (Trace 382)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 294.76 kg\n Factor of Safety: 0.48\n Max Deflection: 5.15e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.76496392911326, + "fos_buckling": 0.4840647594200255, + "fos_yielding": 5.368593494366808, + "deflection": 51484373537803.32, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2593": { + "node_id": "node_2593", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 337.04 kg\n Factor of Safety: 0.53\n Max Deflection: 1.88e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.0427397752365, + "fos_buckling": 0.5329830030588297, + "fos_yielding": 4.39272766978998, + "deflection": 0.01875247173694004, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007623)" + }, + "parent_node_id": "node_2592", + "improvement_over_parent": null + }, + "node_2594": { + "node_id": "node_2594", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 411.12 kg\n Factor of Safety: 0.54\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.1165502633911, + "fos_buckling": 0.5391060730912803, + "fos_yielding": 6.314752899138411, + "deflection": 0.012380638614949247, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009503)" + }, + "parent_node_id": "node_2593", + "improvement_over_parent": null + }, + "node_2595": { + "node_id": "node_2595", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 485.19 kg\n Factor of Safety: 1.40\n Max Deflection: 6.68e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.1903607515457, + "fos_buckling": 1.3984322121280974, + "fos_yielding": 12.657537565608758, + "deflection": 0.006679088507549195, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009503)" + }, + "parent_node_id": "node_2594", + "improvement_over_parent": null + }, + "node_2596": { + "node_id": "node_2596", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.56 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5642821271111, + "fos_buckling": 1.5383496687346978, + "fos_yielding": 14.277446757664151, + "deflection": 0.005951022978751839, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.139)" + }, + "parent_node_id": "node_2595", + "improvement_over_parent": null + }, + "node_2597": { + "node_id": "node_2597", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2596", + "improvement_over_parent": null + }, + "node_2598": { + "node_id": "node_2598", + "content": "INITIAL DESIGN (Trace 383)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 442.33 kg\n Factor of Safety: 0.92\n Max Deflection: 8.33e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.3306305954249, + "fos_buckling": 0.9177856986292172, + "fos_yielding": 11.287592886585644, + "deflection": 0.008331338819461008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2599": { + "node_id": "node_2599", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 490.71 kg\n Factor of Safety: 1.00\n Max Deflection: 7.53e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.70626641955727, + "fos_buckling": 0.9972492494199463, + "fos_yielding": 12.482555748233755, + "deflection": 0.0075326533158627295, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_2598", + "improvement_over_parent": null + }, + "node_2600": { + "node_id": "node_2600", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 538.31 kg\n Factor of Safety: 1.50\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 538.3090308800603, + "fos_buckling": 1.498354845204257, + "fos_yielding": 14.571246463390274, + "deflection": 0.006016419963450961, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2599", + "improvement_over_parent": null + }, + "node_2601": { + "node_id": "node_2601", + "content": "MODIFICATION: Increase 2 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.17 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1658859777879, + "fos_buckling": 1.537384882814816, + "fos_yielding": 14.263720347287498, + "deflection": 0.005955435025995502, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.217)" + }, + "parent_node_id": "node_2600", + "improvement_over_parent": null + }, + "node_2602": { + "node_id": "node_2602", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2601", + "improvement_over_parent": null + }, + "node_2603": { + "node_id": "node_2603", + "content": "INITIAL DESIGN (Trace 384)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 324.61 kg\n Factor of Safety: 0.77\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.6063774216989, + "fos_buckling": 0.7738834725013857, + "fos_yielding": 7.1085781163945, + "deflection": 0.013786397507947312, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2604": { + "node_id": "node_2604", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 371.55 kg\n Factor of Safety: 0.77\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 371.54863554823095, + "fos_buckling": 0.772385184216847, + "fos_yielding": 7.122606740550154, + "deflection": 0.013785790786979958, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006767)" + }, + "parent_node_id": "node_2603", + "improvement_over_parent": null + }, + "node_2605": { + "node_id": "node_2605", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 439.79 kg\n Factor of Safety: 0.89\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.78944506782716, + "fos_buckling": 0.8907882857627919, + "fos_yielding": 8.43447183365943, + "deflection": 0.011662006501536726, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.198)" + }, + "parent_node_id": "node_2604", + "improvement_over_parent": null + }, + "node_2606": { + "node_id": "node_2606", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 508.54 kg\n Factor of Safety: 1.00\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 508.54089366628386, + "fos_buckling": 1.0028713877191955, + "fos_yielding": 9.758706334075631, + "deflection": 0.010098216118729587, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.171)" + }, + "parent_node_id": "node_2605", + "improvement_over_parent": null + }, + "node_2607": { + "node_id": "node_2607", + "content": "MODIFICATION: Increase 1 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 518.95 kg\n Factor of Safety: 0.99\n Max Deflection: 9.67e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.9472715855055, + "fos_buckling": 0.9853453378730809, + "fos_yielding": 9.938809442594941, + "deflection": 0.009666941548503265, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.222)" + }, + "parent_node_id": "node_2606", + "improvement_over_parent": null + }, + "node_2608": { + "node_id": "node_2608", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 531.92 kg\n Factor of Safety: 1.53\n Max Deflection: 6.20e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 531.9167910950604, + "fos_buckling": 1.53063109840833, + "fos_yielding": 13.631381383522147, + "deflection": 0.006204601899883966, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2607", + "improvement_over_parent": null + }, + "node_2609": { + "node_id": "node_2609", + "content": "MODIFICATION: Increase 0 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.55 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5528182749413, + "fos_buckling": 1.5386280549838645, + "fos_yielding": 14.268303083931267, + "deflection": 0.0059515651642880205, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.340)" + }, + "parent_node_id": "node_2608", + "improvement_over_parent": null + }, + "node_2610": { + "node_id": "node_2610", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2609", + "improvement_over_parent": null + }, + "node_2611": { + "node_id": "node_2611", + "content": "INITIAL DESIGN (Trace 385)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 346.96 kg\n Factor of Safety: 0.68\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.95983309391625, + "fos_buckling": 0.6784797506329495, + "fos_yielding": 8.419526054661754, + "deflection": 0.012865742698672092, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2612": { + "node_id": "node_2612", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n\nPerformance:\n Mass: 375.97 kg\n Factor of Safety: 0.68\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 375.9734951518419, + "fos_buckling": 0.6831073868211966, + "fos_yielding": 8.476952239337264, + "deflection": 0.012884212947552065, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.005098)" + }, + "parent_node_id": "node_2611", + "improvement_over_parent": null + }, + "node_2613": { + "node_id": "node_2613", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 385.50 kg\n Factor of Safety: 1.06\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.50472614437484, + "fos_buckling": 1.0636385733576972, + "fos_yielding": 10.331142981764136, + "deflection": 0.008377170522501238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004497)" + }, + "parent_node_id": "node_2612", + "improvement_over_parent": null + }, + "node_2614": { + "node_id": "node_2614", + "content": "MODIFICATION: Increase 7 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 394.56 kg\n Factor of Safety: 1.06\n Max Deflection: 8.30e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.5562664758143, + "fos_buckling": 1.0617320730040027, + "fos_yielding": 10.142214396738442, + "deflection": 0.008298052430572493, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.208)" + }, + "parent_node_id": "node_2613", + "improvement_over_parent": null + }, + "node_2615": { + "node_id": "node_2615", + "content": "MODIFICATION: Increase 3 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n\nPerformance:\n Mass: 395.99 kg\n Factor of Safety: 1.07\n Max Deflection: 8.26e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.9937808838312, + "fos_buckling": 1.0705970481739024, + "fos_yielding": 10.072880098576343, + "deflection": 0.00826460357310797, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.220)" + }, + "parent_node_id": "node_2614", + "improvement_over_parent": null + }, + "node_2616": { + "node_id": "node_2616", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n\nPerformance:\n Mass: 451.78 kg\n Factor of Safety: 1.20\n Max Deflection: 7.27e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.78394336220117, + "fos_buckling": 1.2008321058154174, + "fos_yielding": 11.511288427253119, + "deflection": 0.007266206529874638, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_2615", + "improvement_over_parent": null + }, + "node_2617": { + "node_id": "node_2617", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0066)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0115)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 538.59 kg\n Factor of Safety: 1.39\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 538.5876746375138, + "fos_buckling": 1.3935264721896123, + "fos_yielding": 13.759341931278563, + "deflection": 0.006123948150932941, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.211)" + }, + "parent_node_id": "node_2616", + "improvement_over_parent": null + }, + "node_2618": { + "node_id": "node_2618", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2617", + "improvement_over_parent": null + }, + "node_2619": { + "node_id": "node_2619", + "content": "INITIAL DESIGN (Trace 386)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 318.14 kg\n Factor of Safety: 0.78\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.1413477254127, + "fos_buckling": 0.7787261319303985, + "fos_yielding": 9.588427033491174, + "deflection": 0.01133559838521954, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2620": { + "node_id": "node_2620", + "content": "MODIFICATION: Increase 1 thickness by 66%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 336.10 kg\n Factor of Safety: 0.80\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.1018610781753, + "fos_buckling": 0.7982791053617034, + "fos_yielding": 9.577479308311565, + "deflection": 0.010697662448670027, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.661)" + }, + "parent_node_id": "node_2619", + "improvement_over_parent": null + }, + "node_2621": { + "node_id": "node_2621", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 372.26 kg\n Factor of Safety: 0.89\n Max Deflection: 8.72e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.26168031986754, + "fos_buckling": 0.8893951829071549, + "fos_yielding": 10.901362980904725, + "deflection": 0.00871766198653081, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006441)" + }, + "parent_node_id": "node_2620", + "improvement_over_parent": null + }, + "node_2622": { + "node_id": "node_2622", + "content": "MODIFICATION: Increase 3 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0040)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0065)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n\nPerformance:\n Mass: 376.35 kg\n Factor of Safety: 0.89\n Max Deflection: 8.66e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.3534468410222, + "fos_buckling": 0.8887221787754576, + "fos_yielding": 10.889546542026297, + "deflection": 0.008656275389475795, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.626)" + }, + "parent_node_id": "node_2621", + "improvement_over_parent": null + }, + "node_2623": { + "node_id": "node_2623", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0077)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 440.90 kg\n Factor of Safety: 1.02\n Max Deflection: 7.41e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.89895330265136, + "fos_buckling": 1.0241437127005397, + "fos_yielding": 12.754368321080394, + "deflection": 0.00741322553523625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_2622", + "improvement_over_parent": null + }, + "node_2624": { + "node_id": "node_2624", + "content": "MODIFICATION: Increase 9 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0077)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 456.57 kg\n Factor of Safety: 1.19\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.5713062040214, + "fos_buckling": 1.1938931231473602, + "fos_yielding": 13.414409798657267, + "deflection": 0.007006469422771365, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.318)" + }, + "parent_node_id": "node_2623", + "improvement_over_parent": null + }, + "node_2625": { + "node_id": "node_2625", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0088)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0100)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 514.14 kg\n Factor of Safety: 1.33\n Max Deflection: 6.24e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 514.1365182971907, + "fos_buckling": 1.325870574030794, + "fos_yielding": 15.11429818076618, + "deflection": 0.006242684654114109, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.138)" + }, + "parent_node_id": "node_2624", + "improvement_over_parent": null + }, + "node_2626": { + "node_id": "node_2626", + "content": "MODIFICATION: Increase 10 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0088)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0100)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0124)]\n\nPerformance:\n Mass: 532.00 kg\n Factor of Safety: 1.33\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 531.9962377814985, + "fos_buckling": 1.3295940627296727, + "fos_yielding": 14.570800309145053, + "deflection": 0.006144089082878554, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.431)" + }, + "parent_node_id": "node_2625", + "improvement_over_parent": null + }, + "node_2627": { + "node_id": "node_2627", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2626", + "improvement_over_parent": null + }, + "node_2628": { + "node_id": "node_2628", + "content": "INITIAL DESIGN (Trace 387)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 431.98 kg\n Factor of Safety: 1.18\n Max Deflection: 7.54e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.9798091666651, + "fos_buckling": 1.1802217218119648, + "fos_yielding": 9.637561363795115, + "deflection": 0.00753881041213619, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2629": { + "node_id": "node_2629", + "content": "MODIFICATION: Increase 5 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 434.55 kg\n Factor of Safety: 1.14\n Max Deflection: 7.42e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.55249186051805, + "fos_buckling": 1.1435637052810987, + "fos_yielding": 11.955013913883464, + "deflection": 0.0074218254934571536, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.344)" + }, + "parent_node_id": "node_2628", + "improvement_over_parent": null + }, + "node_2630": { + "node_id": "node_2630", + "content": "MODIFICATION: Increase 2 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 444.48 kg\n Factor of Safety: 1.06\n Max Deflection: 7.31e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.4837065575833, + "fos_buckling": 1.0642689468722044, + "fos_yielding": 11.126052715046413, + "deflection": 0.007305993709238328, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.368)" + }, + "parent_node_id": "node_2629", + "improvement_over_parent": null + }, + "node_2631": { + "node_id": "node_2631", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.29 kg\n Factor of Safety: 1.26\n Max Deflection: 6.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.2887589931966, + "fos_buckling": 1.2635832037718526, + "fos_yielding": 13.491105010221348, + "deflection": 0.006012923170533197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_2630", + "improvement_over_parent": null + }, + "node_2632": { + "node_id": "node_2632", + "content": "MODIFICATION: Increase 4 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.48 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4809500136308, + "fos_buckling": 1.5381668322971946, + "fos_yielding": 14.279795746208736, + "deflection": 0.005951855497882534, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.543)" + }, + "parent_node_id": "node_2631", + "improvement_over_parent": null + }, + "node_2633": { + "node_id": "node_2633", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2632", + "improvement_over_parent": null + }, + "node_2634": { + "node_id": "node_2634", + "content": "INITIAL DESIGN (Trace 388)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 218.42 kg\n Factor of Safety: 0.06\n Max Deflection: 1.50e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 218.41681617584416, + "fos_buckling": 0.05669830803120554, + "fos_yielding": 0.4522366192143578, + "deflection": 150229372627105.44, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2635": { + "node_id": "node_2635", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 276.78 kg\n Factor of Safety: 0.44\n Max Deflection: 1.73e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.7785093153461, + "fos_buckling": 0.44255919285742495, + "fos_yielding": 5.030904874464026, + "deflection": 0.017304442440718257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007356)" + }, + "parent_node_id": "node_2634", + "improvement_over_parent": null + }, + "node_2636": { + "node_id": "node_2636", + "content": "MODIFICATION: Increase 6 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 279.04 kg\n Factor of Safety: 0.44\n Max Deflection: 1.73e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 279.04028228605665, + "fos_buckling": 0.44255919285742495, + "fos_yielding": 5.030904874464026, + "deflection": 0.017304442440718257, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.536)" + }, + "parent_node_id": "node_2635", + "improvement_over_parent": null + }, + "node_2637": { + "node_id": "node_2637", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 337.40 kg\n Factor of Safety: 0.74\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.4019754255586, + "fos_buckling": 0.7429154753268835, + "fos_yielding": 8.821914925790864, + "deflection": 0.010561031080166466, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007356)" + }, + "parent_node_id": "node_2636", + "improvement_over_parent": null + }, + "node_2638": { + "node_id": "node_2638", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 405.27 kg\n Factor of Safety: 0.87\n Max Deflection: 8.83e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 405.2655398863518, + "fos_buckling": 0.8671641264033904, + "fos_yielding": 10.551397872540866, + "deflection": 0.008829757971626688, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_2637", + "improvement_over_parent": null + }, + "node_2639": { + "node_id": "node_2639", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.38 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.38072604285, + "fos_buckling": 0.998423050770972, + "fos_yielding": 12.498943624460436, + "deflection": 0.007453732404901263, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_2638", + "improvement_over_parent": null + }, + "node_2640": { + "node_id": "node_2640", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5133789354705, + "fos_buckling": 1.5381924721863385, + "fos_yielding": 14.27776387963528, + "deflection": 0.005951413603033421, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2639", + "improvement_over_parent": null + }, + "node_2641": { + "node_id": "node_2641", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2640", + "improvement_over_parent": null + }, + "node_2642": { + "node_id": "node_2642", + "content": "INITIAL DESIGN (Trace 389)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0033)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0036)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0045)]\n\nPerformance:\n Mass: 229.20 kg\n Factor of Safety: 0.48\n Max Deflection: 2.15e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 229.20428100776203, + "fos_buckling": 0.4839153409027205, + "fos_yielding": 4.5645439734091555, + "deflection": 0.021544329982604547, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2643": { + "node_id": "node_2643", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 284.41 kg\n Factor of Safety: 0.59\n Max Deflection: 1.74e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 284.4061555317939, + "fos_buckling": 0.5890004653716406, + "fos_yielding": 5.66283704655948, + "deflection": 0.017387971359458552, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.252)" + }, + "parent_node_id": "node_2642", + "improvement_over_parent": null + }, + "node_2644": { + "node_id": "node_2644", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 361.34 kg\n Factor of Safety: 0.73\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 361.33721394249704, + "fos_buckling": 0.7281253509660222, + "fos_yielding": 7.19353129653284, + "deflection": 0.013713405285332164, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.287)" + }, + "parent_node_id": "node_2643", + "improvement_over_parent": null + }, + "node_2645": { + "node_id": "node_2645", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n\nPerformance:\n Mass: 370.33 kg\n Factor of Safety: 1.14\n Max Deflection: 8.80e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.328342017524, + "fos_buckling": 1.1350463960282335, + "fos_yielding": 9.496261724795469, + "deflection": 0.008797065980088283, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004226)" + }, + "parent_node_id": "node_2644", + "improvement_over_parent": null + }, + "node_2646": { + "node_id": "node_2646", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n\nPerformance:\n Mass: 427.97 kg\n Factor of Safety: 1.28\n Max Deflection: 7.64e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 427.96715189427215, + "fos_buckling": 1.2827996311849936, + "fos_yielding": 10.98691306469293, + "deflection": 0.007637750399667704, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_2645", + "improvement_over_parent": null + }, + "node_2647": { + "node_id": "node_2647", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 534.97 kg\n Factor of Safety: 1.54\n Max Deflection: 6.15e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 534.970182627418, + "fos_buckling": 1.53715156690082, + "fos_yielding": 13.763774156142876, + "deflection": 0.0061477935862512, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.274)" + }, + "parent_node_id": "node_2646", + "improvement_over_parent": null + }, + "node_2648": { + "node_id": "node_2648", + "content": "MODIFICATION: Increase 1 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 547.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.94e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.2749877100022, + "fos_buckling": 1.539890988100177, + "fos_yielding": 14.283931431445511, + "deflection": 0.005943822486242633, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.272)" + }, + "parent_node_id": "node_2647", + "improvement_over_parent": null + }, + "node_2649": { + "node_id": "node_2649", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2648", + "improvement_over_parent": null + }, + "node_2650": { + "node_id": "node_2650", + "content": "INITIAL DESIGN (Trace 390)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0023)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n\nPerformance:\n Mass: 219.18 kg\n Factor of Safety: 0.43\n Max Deflection: 1.73e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 219.180235311211, + "fos_buckling": 0.42735942000417676, + "fos_yielding": 5.099983350302946, + "deflection": 0.017272919433065033, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2651": { + "node_id": "node_2651", + "content": "MODIFICATION: Increase 4 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0043)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0047)]\n\nPerformance:\n Mass: 220.06 kg\n Factor of Safety: 0.43\n Max Deflection: 1.72e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 220.0582584856685, + "fos_buckling": 0.42731136385267393, + "fos_yielding": 5.099409862130995, + "deflection": 0.017237883448614343, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.182)" + }, + "parent_node_id": "node_2650", + "improvement_over_parent": null + }, + "node_2652": { + "node_id": "node_2652", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n\nPerformance:\n Mass: 258.18 kg\n Factor of Safety: 0.50\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 258.1783908071676, + "fos_buckling": 0.4952774135364703, + "fos_yielding": 5.974502328367387, + "deflection": 0.014723489975449493, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.181)" + }, + "parent_node_id": "node_2651", + "improvement_over_parent": null + }, + "node_2653": { + "node_id": "node_2653", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n\nPerformance:\n Mass: 283.52 kg\n Factor of Safety: 0.80\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 283.51659612488135, + "fos_buckling": 0.7953408847603798, + "fos_yielding": 7.311617492839865, + "deflection": 0.01137475023893169, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.004422)" + }, + "parent_node_id": "node_2652", + "improvement_over_parent": null + }, + "node_2654": { + "node_id": "node_2654", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n\nPerformance:\n Mass: 335.14 kg\n Factor of Safety: 0.93\n Max Deflection: 9.65e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.1404356751453, + "fos_buckling": 0.9255522605549882, + "fos_yielding": 8.652994019312304, + "deflection": 0.009652053621461222, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.192)" + }, + "parent_node_id": "node_2653", + "improvement_over_parent": null + }, + "node_2655": { + "node_id": "node_2655", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 437.46 kg\n Factor of Safety: 1.17\n Max Deflection: 7.44e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.4639118325859, + "fos_buckling": 1.1705769761634601, + "fos_yielding": 11.321075073527975, + "deflection": 0.007439043562535732, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_2654", + "improvement_over_parent": null + }, + "node_2656": { + "node_id": "node_2656", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.69 kg\n Factor of Safety: 1.39\n Max Deflection: 6.13e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.6866410517172, + "fos_buckling": 1.38528831161514, + "fos_yielding": 13.841561645490552, + "deflection": 0.006132117650485422, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.241)" + }, + "parent_node_id": "node_2655", + "improvement_over_parent": null + }, + "node_2657": { + "node_id": "node_2657", + "content": "MODIFICATION: Increase 7 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0115)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.46 kg\n Factor of Safety: 1.42\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.4604973163292, + "fos_buckling": 1.419775171080599, + "fos_yielding": 13.572538638981259, + "deflection": 0.006061572222305863, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.206)" + }, + "parent_node_id": "node_2656", + "improvement_over_parent": null + }, + "node_2658": { + "node_id": "node_2658", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2657", + "improvement_over_parent": null + }, + "node_2659": { + "node_id": "node_2659", + "content": "INITIAL DESIGN (Trace 391)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 301.61 kg\n Factor of Safety: 0.93\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.614962698457, + "fos_buckling": 0.9312574832163377, + "fos_yielding": 7.837611453581012, + "deflection": 0.01062539686883759, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2660": { + "node_id": "node_2660", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 354.64 kg\n Factor of Safety: 1.07\n Max Deflection: 9.07e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.64408921580383, + "fos_buckling": 1.0737829073387308, + "fos_yielding": 9.226054861042316, + "deflection": 0.00906581018192135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.186)" + }, + "parent_node_id": "node_2659", + "improvement_over_parent": null + }, + "node_2661": { + "node_id": "node_2661", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 441.41 kg\n Factor of Safety: 1.29\n Max Deflection: 7.32e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 441.41049010337616, + "fos_buckling": 1.293671206242117, + "fos_yielding": 11.50463717298022, + "deflection": 0.007322170029760127, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_2660", + "improvement_over_parent": null + }, + "node_2662": { + "node_id": "node_2662", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.34 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.337278233117, + "fos_buckling": 1.537832134929497, + "fos_yielding": 14.271479210195338, + "deflection": 0.005953421869404344, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_2661", + "improvement_over_parent": null + }, + "node_2663": { + "node_id": "node_2663", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2662", + "improvement_over_parent": null + }, + "node_2664": { + "node_id": "node_2664", + "content": "INITIAL DESIGN (Trace 392)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 322.98 kg\n Factor of Safety: 0.52\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 322.9784226772928, + "fos_buckling": 0.5188014591503054, + "fos_yielding": 6.0329882964550885, + "deflection": 0.015082276792278167, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2665": { + "node_id": "node_2665", + "content": "MODIFICATION: Increase 7 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 336.30 kg\n Factor of Safety: 0.52\n Max Deflection: 1.44e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.2998713881591, + "fos_buckling": 0.5183621001590222, + "fos_yielding": 6.027944755812901, + "deflection": 0.014409163539731163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.252)" + }, + "parent_node_id": "node_2664", + "improvement_over_parent": null + }, + "node_2666": { + "node_id": "node_2666", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 390.38 kg\n Factor of Safety: 0.52\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.3819796022387, + "fos_buckling": 0.5165860176701852, + "fos_yielding": 6.007555424449184, + "deflection": 0.013022426324839334, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007878)" + }, + "parent_node_id": "node_2665", + "improvement_over_parent": null + }, + "node_2667": { + "node_id": "node_2667", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.54 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.5401846119611, + "fos_buckling": 0.592668264115588, + "fos_yielding": 7.069801074915935, + "deflection": 0.011038551765567613, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_2666", + "improvement_over_parent": null + }, + "node_2668": { + "node_id": "node_2668", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.94 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9354170453225, + "fos_buckling": 1.5371822933253338, + "fos_yielding": 14.26144184158711, + "deflection": 0.00595746832700261, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2667", + "improvement_over_parent": null + }, + "node_2669": { + "node_id": "node_2669", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2668", + "improvement_over_parent": null + }, + "node_2670": { + "node_id": "node_2670", + "content": "INITIAL DESIGN (Trace 393)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2671": { + "node_id": "node_2671", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 350.67 kg\n Factor of Safety: 0.14\n Max Deflection: 4.17e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.67281579056055, + "fos_buckling": 0.13638276259882368, + "fos_yielding": 1.8089464768574313, + "deflection": 41678660356630.86, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007542)" + }, + "parent_node_id": "node_2670", + "improvement_over_parent": null + }, + "node_2672": { + "node_id": "node_2672", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 424.01 kg\n Factor of Safety: 0.90\n Max Deflection: 8.45e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.01368756547197, + "fos_buckling": 0.9000175349709126, + "fos_yielding": 11.026673710372332, + "deflection": 0.008449241567923357, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009401)" + }, + "parent_node_id": "node_2671", + "improvement_over_parent": null + }, + "node_2673": { + "node_id": "node_2673", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.29 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.285805555869, + "fos_buckling": 0.9982417980276536, + "fos_yielding": 12.496631969873603, + "deflection": 0.00745521813481975, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.151)" + }, + "parent_node_id": "node_2672", + "improvement_over_parent": null + }, + "node_2674": { + "node_id": "node_2674", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4184584484896, + "fos_buckling": 1.5379677226005035, + "fos_yielding": 14.274535100710072, + "deflection": 0.005952489576202679, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2673", + "improvement_over_parent": null + }, + "node_2675": { + "node_id": "node_2675", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2674", + "improvement_over_parent": null + }, + "node_2676": { + "node_id": "node_2676", + "content": "INITIAL DESIGN (Trace 394)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 321.01 kg\n Factor of Safety: 0.62\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.0077284342154, + "fos_buckling": 0.6222670833109801, + "fos_yielding": 7.667631964102078, + "deflection": 0.011381864019342146, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2677": { + "node_id": "node_2677", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 394.59 kg\n Factor of Safety: 0.75\n Max Deflection: 9.30e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.5858904060201, + "fos_buckling": 0.7462208233347757, + "fos_yielding": 9.404544625695042, + "deflection": 0.009296480403860597, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_2676", + "improvement_over_parent": null + }, + "node_2678": { + "node_id": "node_2678", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 450.97 kg\n Factor of Safety: 1.21\n Max Deflection: 7.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.97246069749656, + "fos_buckling": 1.2111013639366222, + "fos_yielding": 12.534097167142285, + "deflection": 0.0071588751558452285, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.008242)" + }, + "parent_node_id": "node_2677", + "improvement_over_parent": null + }, + "node_2679": { + "node_id": "node_2679", + "content": "MODIFICATION: Increase 8 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 466.12 kg\n Factor of Safety: 1.21\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.1164357004973, + "fos_buckling": 1.206673910859996, + "fos_yielding": 12.03211510289948, + "deflection": 0.007013039540680616, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.397)" + }, + "parent_node_id": "node_2678", + "improvement_over_parent": null + }, + "node_2680": { + "node_id": "node_2680", + "content": "MODIFICATION: Increase 10 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0104)]\n\nPerformance:\n Mass: 479.63 kg\n Factor of Safety: 1.25\n Max Deflection: 6.91e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.63308376208005, + "fos_buckling": 1.2456396657980515, + "fos_yielding": 11.739304967099418, + "deflection": 0.006907789845845037, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.266)" + }, + "parent_node_id": "node_2679", + "improvement_over_parent": null + }, + "node_2681": { + "node_id": "node_2681", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0120)]\n\nPerformance:\n Mass: 545.45 kg\n Factor of Safety: 1.39\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.4468806871197, + "fos_buckling": 1.3892990383181598, + "fos_yielding": 13.38279347266537, + "deflection": 0.006095771080080029, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.151)" + }, + "parent_node_id": "node_2680", + "improvement_over_parent": null + }, + "node_2682": { + "node_id": "node_2682", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2681", + "improvement_over_parent": null + }, + "node_2683": { + "node_id": "node_2683", + "content": "INITIAL DESIGN (Trace 395)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 296.82 kg\n Factor of Safety: 0.71\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.81804553800816, + "fos_buckling": 0.7105696204506826, + "fos_yielding": 6.264114621859984, + "deflection": 0.012489368351551207, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2684": { + "node_id": "node_2684", + "content": "MODIFICATION: Increase 9 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0040)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 307.32 kg\n Factor of Safety: 0.71\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 307.3182747806725, + "fos_buckling": 0.7100945263167779, + "fos_yielding": 6.259926370596067, + "deflection": 0.012171225328561316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.248)" + }, + "parent_node_id": "node_2683", + "improvement_over_parent": null + }, + "node_2685": { + "node_id": "node_2685", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 376.63 kg\n Factor of Safety: 0.84\n Max Deflection: 9.97e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.6319353458855, + "fos_buckling": 0.8440784309948113, + "fos_yielding": 7.664017224124685, + "deflection": 0.009966213720874912, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_2684", + "improvement_over_parent": null + }, + "node_2686": { + "node_id": "node_2686", + "content": "MODIFICATION: Increase 4 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 379.36 kg\n Factor of Safety: 0.84\n Max Deflection: 9.97e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.3646179381599, + "fos_buckling": 0.8440784309948113, + "fos_yielding": 7.664017224124685, + "deflection": 0.009966213720874912, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.575)" + }, + "parent_node_id": "node_2685", + "improvement_over_parent": null + }, + "node_2687": { + "node_id": "node_2687", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 467.01 kg\n Factor of Safety: 1.00\n Max Deflection: 8.13e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.0099180893466, + "fos_buckling": 0.9991520866875426, + "fos_yielding": 9.426271578504306, + "deflection": 0.008130083113625276, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.253)" + }, + "parent_node_id": "node_2686", + "improvement_over_parent": null + }, + "node_2688": { + "node_id": "node_2688", + "content": "MODIFICATION: Increase 0 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.27 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.26937099136325, + "fos_buckling": 0.9981916843749207, + "fos_yielding": 12.497720714569851, + "deflection": 0.007455335283834416, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.359)" + }, + "parent_node_id": "node_2687", + "improvement_over_parent": null + }, + "node_2689": { + "node_id": "node_2689", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.40 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4020238839838, + "fos_buckling": 1.537898724364302, + "fos_yielding": 14.273506031226438, + "deflection": 0.005952602443271515, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2688", + "improvement_over_parent": null + }, + "node_2690": { + "node_id": "node_2690", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2689", + "improvement_over_parent": null + }, + "node_2691": { + "node_id": "node_2691", + "content": "INITIAL DESIGN (Trace 396)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 362.90 kg\n Factor of Safety: 0.41\n Max Deflection: 1.81e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 362.89520848420204, + "fos_buckling": 0.41328191064305314, + "fos_yielding": 4.947295698796238, + "deflection": 0.01811723134668999, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2692": { + "node_id": "node_2692", + "content": "MODIFICATION: Increase 2 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 379.50 kg\n Factor of Safety: 0.59\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 379.4982517066753, + "fos_buckling": 0.5877738331395101, + "fos_yielding": 4.941998849782827, + "deflection": 0.016696544945302656, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.587)" + }, + "parent_node_id": "node_2691", + "improvement_over_parent": null + }, + "node_2693": { + "node_id": "node_2693", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.89 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8934841400368, + "fos_buckling": 0.5930540754951041, + "fos_yielding": 7.075364609756218, + "deflection": 0.011030257554335798, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2692", + "improvement_over_parent": null + }, + "node_2694": { + "node_id": "node_2694", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2887165733982, + "fos_buckling": 1.5376601623214674, + "fos_yielding": 14.269218130090058, + "deflection": 0.005954003443430125, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2693", + "improvement_over_parent": null + }, + "node_2695": { + "node_id": "node_2695", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2694", + "improvement_over_parent": null + }, + "node_2696": { + "node_id": "node_2696", + "content": "INITIAL DESIGN (Trace 397)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2697": { + "node_id": "node_2697", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 294.49 kg\n Factor of Safety: 0.66\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 294.4862025708412, + "fos_buckling": 0.6554035110460766, + "fos_yielding": 6.086732855756677, + "deflection": 0.013040931967109497, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.005539)" + }, + "parent_node_id": "node_2696", + "improvement_over_parent": null + }, + "node_2698": { + "node_id": "node_2698", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 372.21 kg\n Factor of Safety: 0.80\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.2086629966817, + "fos_buckling": 0.8019241493507047, + "fos_yielding": 7.678142323849812, + "deflection": 0.010359980688081916, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.282)" + }, + "parent_node_id": "node_2697", + "improvement_over_parent": null + }, + "node_2699": { + "node_id": "node_2699", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 408.66 kg\n Factor of Safety: 1.23\n Max Deflection: 7.99e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.66195830440563, + "fos_buckling": 1.2341670509249685, + "fos_yielding": 10.49605244052714, + "deflection": 0.007989284022060507, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006497)" + }, + "parent_node_id": "node_2698", + "improvement_over_parent": null + }, + "node_2700": { + "node_id": "node_2700", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 463.12 kg\n Factor of Safety: 1.37\n Max Deflection: 7.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.1235090266001, + "fos_buckling": 1.3692230281165905, + "fos_yielding": 11.907756459826897, + "deflection": 0.007071996191228734, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.144)" + }, + "parent_node_id": "node_2699", + "improvement_over_parent": null + }, + "node_2701": { + "node_id": "node_2701", + "content": "MODIFICATION: Increase 1 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 473.91 kg\n Factor of Safety: 1.37\n Max Deflection: 6.83e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.90840070057277, + "fos_buckling": 1.3718126350645954, + "fos_yielding": 12.359588752329937, + "deflection": 0.006833539967352757, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.272)" + }, + "parent_node_id": "node_2700", + "improvement_over_parent": null + }, + "node_2702": { + "node_id": "node_2702", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.95 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9536965939471, + "fos_buckling": 1.5369746987414066, + "fos_yielding": 14.260581701566702, + "deflection": 0.005957543707074878, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_2701", + "improvement_over_parent": null + }, + "node_2703": { + "node_id": "node_2703", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2702", + "improvement_over_parent": null + }, + "node_2704": { + "node_id": "node_2704", + "content": "INITIAL DESIGN (Trace 398)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 505.73 kg\n Factor of Safety: 1.23\n Max Deflection: 6.53e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 505.72903486395234, + "fos_buckling": 1.2296285013848063, + "fos_yielding": 12.065212133065174, + "deflection": 0.006534027789939574, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2705": { + "node_id": "node_2705", + "content": "MODIFICATION: Increase 2 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 519.46 kg\n Factor of Safety: 1.22\n Max Deflection: 6.42e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.4568595950263, + "fos_buckling": 1.2249223482512794, + "fos_yielding": 11.608673188880752, + "deflection": 0.006420967226151997, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.445)" + }, + "parent_node_id": "node_2704", + "improvement_over_parent": null + }, + "node_2706": { + "node_id": "node_2706", + "content": "MODIFICATION: Increase 10 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 544.31 kg\n Factor of Safety: 1.52\n Max Deflection: 6.01e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 544.3062583051767, + "fos_buckling": 1.5175293004916182, + "fos_yielding": 12.434656836288775, + "deflection": 0.006011801715189301, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.466)" + }, + "parent_node_id": "node_2705", + "improvement_over_parent": null + }, + "node_2707": { + "node_id": "node_2707", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1842891914761, + "fos_buckling": 1.537035235969249, + "fos_yielding": 14.26910065293841, + "deflection": 0.005955009546462543, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.186)" + }, + "parent_node_id": "node_2706", + "improvement_over_parent": null + }, + "node_2708": { + "node_id": "node_2708", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2707", + "improvement_over_parent": null + }, + "node_2709": { + "node_id": "node_2709", + "content": "INITIAL DESIGN (Trace 399)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 381.06 kg\n Factor of Safety: 1.13\n Max Deflection: 8.40e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.05733183591815, + "fos_buckling": 1.1328043923674906, + "fos_yielding": 10.313295158210426, + "deflection": 0.008398011193501217, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2710": { + "node_id": "node_2710", + "content": "MODIFICATION: Increase 9 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 387.83 kg\n Factor of Safety: 1.16\n Max Deflection: 8.31e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.82632766310167, + "fos_buckling": 1.1597811571155527, + "fos_yielding": 10.098231700453361, + "deflection": 0.008306560231248084, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.186)" + }, + "parent_node_id": "node_2709", + "improvement_over_parent": null + }, + "node_2711": { + "node_id": "node_2711", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 429.03 kg\n Factor of Safety: 1.26\n Max Deflection: 7.53e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 429.03135874068465, + "fos_buckling": 1.2632625063429708, + "fos_yielding": 11.180978038594636, + "deflection": 0.007527541419477022, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_2710", + "improvement_over_parent": null + }, + "node_2712": { + "node_id": "node_2712", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2802821688933, + "fos_buckling": 1.5376532327720633, + "fos_yielding": 14.272401314792287, + "deflection": 0.00595381861655624, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.300)" + }, + "parent_node_id": "node_2711", + "improvement_over_parent": null + }, + "node_2713": { + "node_id": "node_2713", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2712", + "improvement_over_parent": null + }, + "node_2714": { + "node_id": "node_2714", + "content": "INITIAL DESIGN (Trace 400)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2715": { + "node_id": "node_2715", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 415.93 kg\n Factor of Safety: 0.90\n Max Deflection: 8.52e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.93221754035136, + "fos_buckling": 0.9027644468397426, + "fos_yielding": 11.06515738707584, + "deflection": 0.008516223900330541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007566)" + }, + "parent_node_id": "node_2714", + "improvement_over_parent": null + }, + "node_2716": { + "node_id": "node_2716", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 471.70 kg\n Factor of Safety: 1.00\n Max Deflection: 7.54e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.6966826655194, + "fos_buckling": 0.9987412060095502, + "fos_yielding": 12.502048048025785, + "deflection": 0.007536205484193811, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_2715", + "improvement_over_parent": null + }, + "node_2717": { + "node_id": "node_2717", + "content": "MODIFICATION: Increase 8 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 487.65 kg\n Factor of Safety: 1.15\n Max Deflection: 7.14e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 487.64750674563385, + "fos_buckling": 1.1475624945737986, + "fos_yielding": 12.489490651515299, + "deflection": 0.00714214671407179, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.215)" + }, + "parent_node_id": "node_2716", + "improvement_over_parent": null + }, + "node_2718": { + "node_id": "node_2718", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0131)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 551.78 kg\n Factor of Safety: 1.50\n Max Deflection: 5.86e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 551.7801596382544, + "fos_buckling": 1.4996962539965148, + "fos_yielding": 15.066783818627023, + "deflection": 0.005857745590884498, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2717", + "improvement_over_parent": null + }, + "node_2719": { + "node_id": "node_2719", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2718", + "improvement_over_parent": null + }, + "node_2720": { + "node_id": "node_2720", + "content": "INITIAL DESIGN (Trace 401)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 432.04 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 432.037924410639, + "fos_buckling": 1.0010373303230722, + "fos_yielding": 12.530657544301254, + "deflection": 0.009183097234310445, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2721": { + "node_id": "node_2721", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 479.64 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.64068887114195, + "fos_buckling": 0.9980356238604875, + "fos_yielding": 12.493083165612473, + "deflection": 0.007457253793027463, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2720", + "improvement_over_parent": null + }, + "node_2722": { + "node_id": "node_2722", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 543.77 kg\n Factor of Safety: 1.37\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.7733417637626, + "fos_buckling": 1.365361695839521, + "fos_yielding": 14.474247055053386, + "deflection": 0.0059978598848542085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2721", + "improvement_over_parent": null + }, + "node_2723": { + "node_id": "node_2723", + "content": "MODIFICATION: Increase 4 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0087)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 548.14 kg\n Factor of Safety: 1.33\n Max Deflection: 5.91e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 548.13778848285, + "fos_buckling": 1.3295996020031224, + "fos_yielding": 14.369771931140248, + "deflection": 0.0059127923278188554, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.385)" + }, + "parent_node_id": "node_2722", + "improvement_over_parent": null + }, + "node_2724": { + "node_id": "node_2724", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2723", + "improvement_over_parent": null + }, + "node_2725": { + "node_id": "node_2725", + "content": "INITIAL DESIGN (Trace 402)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 333.11 kg\n Factor of Safety: 1.03\n Max Deflection: 9.72e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 333.1120757143937, + "fos_buckling": 1.0314791210011214, + "fos_yielding": 8.578299933404795, + "deflection": 0.009721914567756442, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2726": { + "node_id": "node_2726", + "content": "MODIFICATION: Increase 0 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 339.23 kg\n Factor of Safety: 1.03\n Max Deflection: 9.47e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.2324138827512, + "fos_buckling": 1.0330761890932227, + "fos_yielding": 8.821922908042108, + "deflection": 0.009469064074216223, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.200)" + }, + "parent_node_id": "node_2725", + "improvement_over_parent": null + }, + "node_2727": { + "node_id": "node_2727", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 439.95 kg\n Factor of Safety: 1.29\n Max Deflection: 7.35e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 439.94627845411514, + "fos_buckling": 1.290183878781035, + "fos_yielding": 11.465727691461337, + "deflection": 0.007346086363063172, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_2726", + "improvement_over_parent": null + }, + "node_2728": { + "node_id": "node_2728", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.74 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.7420988934165, + "fos_buckling": 1.5366100010042503, + "fos_yielding": 14.255253828423623, + "deflection": 0.005959858362940347, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_2727", + "improvement_over_parent": null + }, + "node_2729": { + "node_id": "node_2729", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2728", + "improvement_over_parent": null + }, + "node_2730": { + "node_id": "node_2730", + "content": "INITIAL DESIGN (Trace 403)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 387.16 kg\n Factor of Safety: 0.60\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.15984199129883, + "fos_buckling": 0.5958051327945987, + "fos_yielding": 7.107688627675726, + "deflection": 0.013287767735965173, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2731": { + "node_id": "node_2731", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 434.76 kg\n Factor of Safety: 0.59\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.7626064518018, + "fos_buckling": 0.594013490818094, + "fos_yielding": 7.086637937566967, + "deflection": 0.011536873467285174, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2730", + "improvement_over_parent": null + }, + "node_2732": { + "node_id": "node_2732", + "content": "MODIFICATION: Increase 6 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 456.56 kg\n Factor of Safety: 0.59\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.5603891090348, + "fos_buckling": 0.5931966718056338, + "fos_yielding": 7.0579224480479885, + "deflection": 0.010728973282199563, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.389)" + }, + "parent_node_id": "node_2731", + "improvement_over_parent": null + }, + "node_2733": { + "node_id": "node_2733", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 539.96 kg\n Factor of Safety: 1.19\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 539.9556215423962, + "fos_buckling": 1.190673294106162, + "fos_yielding": 12.864699743032471, + "deflection": 0.006327889326819332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2732", + "improvement_over_parent": null + }, + "node_2734": { + "node_id": "node_2734", + "content": "MODIFICATION: Increase 10 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0132)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0161)]\n\nPerformance:\n Mass: 575.01 kg\n Factor of Safety: 1.18\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 575.0106428078548, + "fos_buckling": 1.181507957492586, + "fos_yielding": 12.765672323704996, + "deflection": 0.006031723494412421, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.486)" + }, + "parent_node_id": "node_2733", + "improvement_over_parent": null + }, + "node_2735": { + "node_id": "node_2735", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2734", + "improvement_over_parent": null + }, + "node_2736": { + "node_id": "node_2736", + "content": "INITIAL DESIGN (Trace 404)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2737": { + "node_id": "node_2737", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.1465619988734, + "fos_buckling": 0.9980356238604873, + "fos_yielding": 12.493083165612473, + "deflection": 0.007457272458590768, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2736", + "improvement_over_parent": null + }, + "node_2738": { + "node_id": "node_2738", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.279214891494, + "fos_buckling": 1.5377003541588654, + "fos_yielding": 14.269864165691667, + "deflection": 0.005954037788644472, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2737", + "improvement_over_parent": null + }, + "node_2739": { + "node_id": "node_2739", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2738", + "improvement_over_parent": null + }, + "node_2740": { + "node_id": "node_2740", + "content": "INITIAL DESIGN (Trace 405)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 340.50 kg\n Factor of Safety: 1.02\n Max Deflection: 9.36e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.4982170262091, + "fos_buckling": 1.022855278911089, + "fos_yielding": 9.372947097108378, + "deflection": 0.009357836574494578, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2741": { + "node_id": "node_2741", + "content": "MODIFICATION: Increase 8 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 349.14 kg\n Factor of Safety: 1.06\n Max Deflection: 9.21e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.13517936728795, + "fos_buckling": 1.059227494960142, + "fos_yielding": 9.080968274748006, + "deflection": 0.009205919194392733, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.282)" + }, + "parent_node_id": "node_2740", + "improvement_over_parent": null + }, + "node_2742": { + "node_id": "node_2742", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 440.10 kg\n Factor of Safety: 1.29\n Max Deflection: 7.34e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.1030238770073, + "fos_buckling": 1.29043525691929, + "fos_yielding": 11.469367144493816, + "deflection": 0.007343455291354678, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.280)" + }, + "parent_node_id": "node_2741", + "improvement_over_parent": null + }, + "node_2743": { + "node_id": "node_2743", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.93 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9322896253568, + "fos_buckling": 1.536885869371777, + "fos_yielding": 14.25971577480586, + "deflection": 0.005957782718100645, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.264)" + }, + "parent_node_id": "node_2742", + "improvement_over_parent": null + }, + "node_2744": { + "node_id": "node_2744", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2743", + "improvement_over_parent": null + }, + "node_2745": { + "node_id": "node_2745", + "content": "INITIAL DESIGN (Trace 406)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 316.73 kg\n Factor of Safety: 0.64\n Max Deflection: 5.93e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.7272576330963, + "fos_buckling": 0.6416405227753759, + "fos_yielding": 8.514977934832721, + "deflection": 59322736057707.266, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2746": { + "node_id": "node_2746", + "content": "MODIFICATION: Increase 2 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 324.12 kg\n Factor of Safety: 6.07\n Max Deflection: 5.94e+13 m\n Status: FEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 324.12288788446153, + "fos_buckling": 6.071218457023448, + "fos_yielding": 104.76966524766836, + "deflection": 59350999600708.805, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.202)" + }, + "parent_node_id": "node_2745", + "improvement_over_parent": null + }, + "node_2747": { + "node_id": "node_2747", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 407.52 kg\n Factor of Safety: 1.01\n Max Deflection: 4.46e+12 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 407.518120317823, + "fos_buckling": 1.0147172103094357, + "fos_yielding": 9.990552837614175, + "deflection": 4463947799273.883, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2746", + "improvement_over_parent": null + }, + "node_2748": { + "node_id": "node_2748", + "content": "MODIFICATION: Increase 0 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 421.59 kg\n Factor of Safety: 1.01\n Max Deflection: 1.14e+12 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.5906086019627, + "fos_buckling": 1.014717210309436, + "fos_yielding": 12.541364225051094, + "deflection": 1138010981729.7957, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.323)" + }, + "parent_node_id": "node_2747", + "improvement_over_parent": null + }, + "node_2749": { + "node_id": "node_2749", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 434.56 kg\n Factor of Safety: 1.00\n Max Deflection: 9.18e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.56012811151754, + "fos_buckling": 1.0010068900713018, + "fos_yielding": 12.530644331031864, + "deflection": 0.0091828574741625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2748", + "improvement_over_parent": null + }, + "node_2750": { + "node_id": "node_2750", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 481.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.60e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.6777982741721, + "fos_buckling": 0.9980357750757128, + "fos_yielding": 12.493451794551254, + "deflection": 0.0076046826728852135, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006794)" + }, + "parent_node_id": "node_2749", + "improvement_over_parent": null + }, + "node_2751": { + "node_id": "node_2751", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 529.28 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.2805627346751, + "fos_buckling": 1.4690087189714778, + "fos_yielding": 14.884574504659849, + "deflection": 0.006081953853204763, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2750", + "improvement_over_parent": null + }, + "node_2752": { + "node_id": "node_2752", + "content": "MODIFICATION: Increase 8 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0088)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.78 kg\n Factor of Safety: 1.49\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.7755328342504, + "fos_buckling": 1.4875419777139365, + "fos_yielding": 18.62350145845649, + "deflection": 0.006000090956851485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.397)" + }, + "parent_node_id": "node_2751", + "improvement_over_parent": null + }, + "node_2753": { + "node_id": "node_2753", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2752", + "improvement_over_parent": null + }, + "node_2754": { + "node_id": "node_2754", + "content": "INITIAL DESIGN (Trace 407)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n\nPerformance:\n Mass: 217.62 kg\n Factor of Safety: 0.31\n Max Deflection: 2.31e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 217.61930531674687, + "fos_buckling": 0.3101932465587518, + "fos_yielding": 3.4047956006372657, + "deflection": 0.023117166778116652, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2755": { + "node_id": "node_2755", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0062)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 276.96 kg\n Factor of Safety: 0.39\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.9611771828513, + "fos_buckling": 0.38500485038910653, + "fos_yielding": 4.308677196289846, + "deflection": 0.018229558509952726, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.287)" + }, + "parent_node_id": "node_2754", + "improvement_over_parent": null + }, + "node_2756": { + "node_id": "node_2756", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n\nPerformance:\n Mass: 334.66 kg\n Factor of Safety: 0.45\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.6572446119107, + "fos_buckling": 0.45381017060635026, + "fos_yielding": 5.177720124086776, + "deflection": 0.01513941570076964, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.222)" + }, + "parent_node_id": "node_2755", + "improvement_over_parent": null + }, + "node_2757": { + "node_id": "node_2757", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n\nPerformance:\n Mass: 385.25 kg\n Factor of Safety: 0.51\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 385.25228927121793, + "fos_buckling": 0.5109906923409648, + "fos_yielding": 5.932002650830183, + "deflection": 0.013191303394084674, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_2756", + "improvement_over_parent": null + }, + "node_2758": { + "node_id": "node_2758", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.78 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.78021431790995, + "fos_buckling": 0.5929533054640593, + "fos_yielding": 7.073909257063464, + "deflection": 0.011032616697391133, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.221)" + }, + "parent_node_id": "node_2757", + "improvement_over_parent": null + }, + "node_2759": { + "node_id": "node_2759", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1754467512714, + "fos_buckling": 1.5374415413101752, + "fos_yielding": 14.267267058311118, + "deflection": 0.0059551021249677925, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2758", + "improvement_over_parent": null + }, + "node_2760": { + "node_id": "node_2760", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2759", + "improvement_over_parent": null + }, + "node_2761": { + "node_id": "node_2761", + "content": "INITIAL DESIGN (Trace 408)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0034)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0034)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0016)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0033)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0033)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0038)]\n\nPerformance:\n Mass: 199.46 kg\n Factor of Safety: 0.53\n Max Deflection: 1.62e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 199.46389004001733, + "fos_buckling": 0.5306002300039316, + "fos_yielding": 3.9403453511667794, + "deflection": 0.016208584166824618, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2762": { + "node_id": "node_2762", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0020)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 251.67 kg\n Factor of Safety: 0.66\n Max Deflection: 1.29e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.67371256140223, + "fos_buckling": 0.6639795076028888, + "fos_yielding": 4.986940360684885, + "deflection": 0.012884106710066883, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.272)" + }, + "parent_node_id": "node_2761", + "improvement_over_parent": null + }, + "node_2763": { + "node_id": "node_2763", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 330.06 kg\n Factor of Safety: 0.86\n Max Deflection: 9.87e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.05834664491834, + "fos_buckling": 0.859848761490711, + "fos_yielding": 6.570985703459646, + "deflection": 0.009867744122706839, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_2762", + "improvement_over_parent": null + }, + "node_2764": { + "node_id": "node_2764", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 397.23 kg\n Factor of Safety: 1.02\n Max Deflection: 8.23e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.2283317804194, + "fos_buckling": 1.023458292242218, + "fos_yielding": 7.9411805102359905, + "deflection": 0.008230030563262769, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_2763", + "improvement_over_parent": null + }, + "node_2765": { + "node_id": "node_2765", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 464.15 kg\n Factor of Safety: 1.18\n Max Deflection: 7.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 464.1518286905298, + "fos_buckling": 1.1825222378066815, + "fos_yielding": 9.318743485805934, + "deflection": 0.007069685837499768, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_2764", + "improvement_over_parent": null + }, + "node_2766": { + "node_id": "node_2766", + "content": "MODIFICATION: Increase 5 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 467.09 kg\n Factor of Safety: 1.36\n Max Deflection: 6.93e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.0890115467427, + "fos_buckling": 1.3556200089298247, + "fos_yielding": 12.182668338439035, + "deflection": 0.006930319416519071, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.389)" + }, + "parent_node_id": "node_2765", + "improvement_over_parent": null + }, + "node_2767": { + "node_id": "node_2767", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 547.02 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 547.0193487013032, + "fos_buckling": 1.5393536987014782, + "fos_yielding": 14.291880005425043, + "deflection": 0.005946203020092342, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_2766", + "improvement_over_parent": null + }, + "node_2768": { + "node_id": "node_2768", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2767", + "improvement_over_parent": null + }, + "node_2769": { + "node_id": "node_2769", + "content": "INITIAL DESIGN (Trace 409)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2770": { + "node_id": "node_2770", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 442.06 kg\n Factor of Safety: 0.68\n Max Deflection: 9.38e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.0620801273242, + "fos_buckling": 0.683300284530254, + "fos_yielding": 8.517129099413514, + "deflection": 0.009379676291222524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2769", + "improvement_over_parent": null + }, + "node_2771": { + "node_id": "node_2771", + "content": "MODIFICATION: Increase 1 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 457.95 kg\n Factor of Safety: 0.68\n Max Deflection: 9.01e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.9457730174505, + "fos_buckling": 0.6826155670360274, + "fos_yielding": 8.508594305228605, + "deflection": 0.009006872255744766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.486)" + }, + "parent_node_id": "node_2770", + "improvement_over_parent": null + }, + "node_2772": { + "node_id": "node_2772", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 505.55 kg\n Factor of Safety: 1.17\n Max Deflection: 6.65e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 505.54853747795346, + "fos_buckling": 1.1706349771728704, + "fos_yielding": 12.703798155658713, + "deflection": 0.006646231673703721, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2771", + "improvement_over_parent": null + }, + "node_2773": { + "node_id": "node_2773", + "content": "MODIFICATION: Increase 7 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0153)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 539.10 kg\n Factor of Safety: 1.16\n Max Deflection: 6.49e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 539.0976805569694, + "fos_buckling": 1.164769376330271, + "fos_yielding": 12.19438260510503, + "deflection": 0.006489362238134953, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.613)" + }, + "parent_node_id": "node_2772", + "improvement_over_parent": null + }, + "node_2774": { + "node_id": "node_2774", + "content": "MODIFICATION: Increase 1 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0153)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 550.02 kg\n Factor of Safety: 1.17\n Max Deflection: 6.33e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 550.0218694673252, + "fos_buckling": 1.166652113333529, + "fos_yielding": 12.562838101729152, + "deflection": 0.006329797219456683, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.235)" + }, + "parent_node_id": "node_2773", + "improvement_over_parent": null + }, + "node_2775": { + "node_id": "node_2775", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2774", + "improvement_over_parent": null + }, + "node_2776": { + "node_id": "node_2776", + "content": "INITIAL DESIGN (Trace 410)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 290.74 kg\n Factor of Safety: 0.42\n Max Deflection: 2.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 290.74408492721506, + "fos_buckling": 0.4211704304398956, + "fos_yielding": 3.8111049114971043, + "deflection": 0.021879463385085243, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2777": { + "node_id": "node_2777", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 354.96 kg\n Factor of Safety: 0.48\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.95659349719915, + "fos_buckling": 0.47872496921121627, + "fos_yielding": 5.502521079719525, + "deflection": 0.014265445124788815, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008146)" + }, + "parent_node_id": "node_2776", + "improvement_over_parent": null + }, + "node_2778": { + "node_id": "node_2778", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 416.72 kg\n Factor of Safety: 0.55\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.72206198739343, + "fos_buckling": 0.5468455353889262, + "fos_yielding": 6.421967425916652, + "deflection": 0.01219680336819477, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.189)" + }, + "parent_node_id": "node_2777", + "improvement_over_parent": null + }, + "node_2779": { + "node_id": "node_2779", + "content": "MODIFICATION: Increase 6 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 418.38 kg\n Factor of Safety: 0.55\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.38403811746787, + "fos_buckling": 0.5468455353889262, + "fos_yielding": 6.421967425916652, + "deflection": 0.012170959082821398, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.256)" + }, + "parent_node_id": "node_2778", + "improvement_over_parent": null + }, + "node_2780": { + "node_id": "node_2780", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 462.93 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.9263351033199, + "fos_buckling": 0.5930958191644541, + "fos_yielding": 7.07596590688078, + "deflection": 0.011029290982245555, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.117)" + }, + "parent_node_id": "node_2779", + "improvement_over_parent": null + }, + "node_2781": { + "node_id": "node_2781", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3215675366813, + "fos_buckling": 1.537688926891535, + "fos_yielding": 14.270800446776057, + "deflection": 0.005953592276518124, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2780", + "improvement_over_parent": null + }, + "node_2782": { + "node_id": "node_2782", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2781", + "improvement_over_parent": null + }, + "node_2783": { + "node_id": "node_2783", + "content": "INITIAL DESIGN (Trace 411)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 395.58 kg\n Factor of Safety: 0.72\n Max Deflection: 9.71e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 395.5836349795557, + "fos_buckling": 0.7175864449050365, + "fos_yielding": 8.996560358392584, + "deflection": 0.00971456907759437, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2784": { + "node_id": "node_2784", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 434.47 kg\n Factor of Safety: 1.15\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.47027525885784, + "fos_buckling": 1.1545038925345052, + "fos_yielding": 11.228705654654235, + "deflection": 0.007495591856364953, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006964)" + }, + "parent_node_id": "node_2783", + "improvement_over_parent": null + }, + "node_2785": { + "node_id": "node_2785", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 479.35 kg\n Factor of Safety: 1.26\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.3507391525527, + "fos_buckling": 1.2562450461945474, + "fos_yielding": 12.401422775378368, + "deflection": 0.0068115718918322484, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_2784", + "improvement_over_parent": null + }, + "node_2786": { + "node_id": "node_2786", + "content": "MODIFICATION: Increase 7 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0104)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n\nPerformance:\n Mass: 491.07 kg\n Factor of Safety: 1.29\n Max Deflection: 6.72e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 491.07395619099805, + "fos_buckling": 1.290797768492601, + "fos_yielding": 12.138578586215177, + "deflection": 0.0067246991341279976, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.225)" + }, + "parent_node_id": "node_2785", + "improvement_over_parent": null + }, + "node_2787": { + "node_id": "node_2787", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0116)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 544.65 kg\n Factor of Safety: 1.41\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.6461392246035, + "fos_buckling": 1.4082253631669892, + "fos_yielding": 13.487753231994274, + "deflection": 0.006081094568216171, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_2786", + "improvement_over_parent": null + }, + "node_2788": { + "node_id": "node_2788", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2787", + "improvement_over_parent": null + }, + "node_2789": { + "node_id": "node_2789", + "content": "INITIAL DESIGN (Trace 412)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 371.99 kg\n Factor of Safety: 0.45\n Max Deflection: 1.44e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 371.99388446739624, + "fos_buckling": 0.4543208885243887, + "fos_yielding": 6.421561181478323, + "deflection": 0.014405390589942238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2790": { + "node_id": "node_2790", + "content": "MODIFICATION: Increase 2 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n\nPerformance:\n Mass: 380.24 kg\n Factor of Safety: 0.55\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 380.23850468966396, + "fos_buckling": 0.5456798756973217, + "fos_yielding": 6.411616195185041, + "deflection": 0.013699017495301603, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.259)" + }, + "parent_node_id": "node_2789", + "improvement_over_parent": null + }, + "node_2791": { + "node_id": "node_2791", + "content": "MODIFICATION: Increase 9 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 401.08 kg\n Factor of Safety: 0.54\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.0821282563032, + "fos_buckling": 0.544959894633106, + "fos_yielding": 6.4032592806029305, + "deflection": 0.013233251064850448, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.418)" + }, + "parent_node_id": "node_2790", + "improvement_over_parent": null + }, + "node_2792": { + "node_id": "node_2792", + "content": "MODIFICATION: Increase 7 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 413.14 kg\n Factor of Safety: 0.54\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.1404826835134, + "fos_buckling": 0.5445442414314148, + "fos_yielding": 6.388807069468501, + "deflection": 0.01229096866734417, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.287)" + }, + "parent_node_id": "node_2791", + "improvement_over_parent": null + }, + "node_2793": { + "node_id": "node_2793", + "content": "MODIFICATION: Increase 6 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 416.12 kg\n Factor of Safety: 0.54\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 416.1165926880049, + "fos_buckling": 0.5445442414314148, + "fos_yielding": 6.3888070694685, + "deflection": 0.012234607242017654, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.567)" + }, + "parent_node_id": "node_2792", + "improvement_over_parent": null + }, + "node_2794": { + "node_id": "node_2794", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 491.09 kg\n Factor of Safety: 1.41\n Max Deflection: 6.60e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 491.0939367173913, + "fos_buckling": 1.4118728148497481, + "fos_yielding": 12.811808553260667, + "deflection": 0.006601287694189632, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009629)" + }, + "parent_node_id": "node_2793", + "improvement_over_parent": null + }, + "node_2795": { + "node_id": "node_2795", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5058662539192, + "fos_buckling": 1.5378389756469946, + "fos_yielding": 14.274397197787783, + "deflection": 0.005951764609581322, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_2794", + "improvement_over_parent": null + }, + "node_2796": { + "node_id": "node_2796", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2795", + "improvement_over_parent": null + }, + "node_2797": { + "node_id": "node_2797", + "content": "INITIAL DESIGN (Trace 413)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n\nPerformance:\n Mass: 355.39 kg\n Factor of Safety: 0.34\n Max Deflection: 3.87e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.3918008095374, + "fos_buckling": 0.34231776309054873, + "fos_yielding": 5.117838548992428, + "deflection": 0.03866405960748846, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2798": { + "node_id": "node_2798", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 366.63 kg\n Factor of Safety: 0.34\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.6272355205128, + "fos_buckling": 0.3418297395339423, + "fos_yielding": 5.110542328813063, + "deflection": 0.014675995890182038, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005367)" + }, + "parent_node_id": "node_2797", + "improvement_over_parent": null + }, + "node_2799": { + "node_id": "node_2799", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 423.74 kg\n Factor of Safety: 0.39\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.73919637932374, + "fos_buckling": 0.38993746742883917, + "fos_yielding": 5.913457360575594, + "deflection": 0.012728217544870465, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_2798", + "improvement_over_parent": null + }, + "node_2800": { + "node_id": "node_2800", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 507.13 kg\n Factor of Safety: 1.10\n Max Deflection: 6.57e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 507.1344288126852, + "fos_buckling": 1.0965305658341418, + "fos_yielding": 13.34732951151394, + "deflection": 0.006571030883337492, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2799", + "improvement_over_parent": null + }, + "node_2801": { + "node_id": "node_2801", + "content": "MODIFICATION: Increase 6 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.24 kg\n Factor of Safety: 1.05\n Max Deflection: 6.50e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.2395514917578, + "fos_buckling": 1.0524785601888933, + "fos_yielding": 13.641135035156008, + "deflection": 0.006500195378361471, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.248)" + }, + "parent_node_id": "node_2800", + "improvement_over_parent": null + }, + "node_2802": { + "node_id": "node_2802", + "content": "MODIFICATION: Increase 2 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 530.63 kg\n Factor of Safety: 1.24\n Max Deflection: 6.35e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.6341422424916, + "fos_buckling": 1.2430558567242338, + "fos_yielding": 13.563129724309835, + "deflection": 0.006346357633193009, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.346)" + }, + "parent_node_id": "node_2801", + "improvement_over_parent": null + }, + "node_2803": { + "node_id": "node_2803", + "content": "MODIFICATION: Increase 0 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 549.75 kg\n Factor of Safety: 1.40\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.7536867617697, + "fos_buckling": 1.4019215873986846, + "fos_yielding": 14.465795060393877, + "deflection": 0.005987909529142574, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.490)" + }, + "parent_node_id": "node_2802", + "improvement_over_parent": null + }, + "node_2804": { + "node_id": "node_2804", + "content": "MODIFICATION: Increase 2 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0118)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 558.75 kg\n Factor of Safety: 1.47\n Max Deflection: 5.91e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 558.7496939987547, + "fos_buckling": 1.4736396298100123, + "fos_yielding": 14.077026805892894, + "deflection": 0.00590854665597667, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.256)" + }, + "parent_node_id": "node_2803", + "improvement_over_parent": null + }, + "node_2805": { + "node_id": "node_2805", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2804", + "improvement_over_parent": null + }, + "node_2806": { + "node_id": "node_2806", + "content": "INITIAL DESIGN (Trace 414)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 434.45 kg\n Factor of Safety: 0.92\n Max Deflection: 8.20e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.4460657279482, + "fos_buckling": 0.923224649006, + "fos_yielding": 11.366626170813248, + "deflection": 0.008196432407100902, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2807": { + "node_id": "node_2807", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 478.74 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.74393081708814, + "fos_buckling": 0.9978560680035194, + "fos_yielding": 12.490322019491115, + "deflection": 0.007458921270601809, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.112)" + }, + "parent_node_id": "node_2806", + "improvement_over_parent": null + }, + "node_2808": { + "node_id": "node_2808", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 542.88 kg\n Factor of Safety: 1.25\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.8765837097087, + "fos_buckling": 1.248223724156202, + "fos_yielding": 13.30325221506603, + "deflection": 0.006019138941601081, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2807", + "improvement_over_parent": null + }, + "node_2809": { + "node_id": "node_2809", + "content": "MODIFICATION: Increase 4 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.16 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1580860224655, + "fos_buckling": 1.537405878165039, + "fos_yielding": 14.266790092284248, + "deflection": 0.005955397020679227, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.567)" + }, + "parent_node_id": "node_2808", + "improvement_over_parent": null + }, + "node_2810": { + "node_id": "node_2810", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2809", + "improvement_over_parent": null + }, + "node_2811": { + "node_id": "node_2811", + "content": "INITIAL DESIGN (Trace 415)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 391.76 kg\n Factor of Safety: 0.48\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.76378538578444, + "fos_buckling": 0.48096826551749317, + "fos_yielding": 5.189307164036593, + "deflection": 0.012560347020867004, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2812": { + "node_id": "node_2812", + "content": "MODIFICATION: Increase 3 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 394.37 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.3676175309819, + "fos_buckling": 0.5955683797694077, + "fos_yielding": 7.107154068109706, + "deflection": 0.012192900127946044, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.406)" + }, + "parent_node_id": "node_2811", + "improvement_over_parent": null + }, + "node_2813": { + "node_id": "node_2813", + "content": "MODIFICATION: Increase 7 thickness by 47%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 413.69 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.69037424959413, + "fos_buckling": 0.5948403993802052, + "fos_yielding": 7.098598173271724, + "deflection": 0.012206049782567679, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.473)" + }, + "parent_node_id": "node_2812", + "improvement_over_parent": null + }, + "node_2814": { + "node_id": "node_2814", + "content": "MODIFICATION: Increase 5 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 415.28 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.2803633036889, + "fos_buckling": 0.5948403993802052, + "fos_yielding": 7.098598173271724, + "deflection": 0.012206049782567679, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.217)" + }, + "parent_node_id": "node_2813", + "improvement_over_parent": null + }, + "node_2815": { + "node_id": "node_2815", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.67559573705034, + "fos_buckling": 0.996997691837134, + "fos_yielding": 12.480090672380761, + "deflection": 0.007462811553047346, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2814", + "improvement_over_parent": null + }, + "node_2816": { + "node_id": "node_2816", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2783601975533, + "fos_buckling": 1.5376880842557759, + "fos_yielding": 14.269661464540434, + "deflection": 0.005954042861249281, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2815", + "improvement_over_parent": null + }, + "node_2817": { + "node_id": "node_2817", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2816", + "improvement_over_parent": null + }, + "node_2818": { + "node_id": "node_2818", + "content": "INITIAL DESIGN (Trace 416)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 265.84 kg\n Factor of Safety: 0.61\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 265.84244417113854, + "fos_buckling": 0.6068965102827341, + "fos_yielding": 6.987430467349994, + "deflection": 0.013386459250062054, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2819": { + "node_id": "node_2819", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0070)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 346.46 kg\n Factor of Safety: 0.76\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.4571089608625, + "fos_buckling": 0.7647293586449502, + "fos_yielding": 9.046602547584719, + "deflection": 0.010323703862986398, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_2818", + "improvement_over_parent": null + }, + "node_2820": { + "node_id": "node_2820", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 391.53 kg\n Factor of Safety: 0.85\n Max Deflection: 9.16e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.52748843946625, + "fos_buckling": 0.8477895916722301, + "fos_yielding": 10.187874806951823, + "deflection": 0.009161017142821427, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.140)" + }, + "parent_node_id": "node_2819", + "improvement_over_parent": null + }, + "node_2821": { + "node_id": "node_2821", + "content": "MODIFICATION: Increase 6 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 394.38 kg\n Factor of Safety: 0.85\n Max Deflection: 9.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.38112254043943, + "fos_buckling": 0.84778959167223, + "fos_yielding": 10.27507953058765, + "deflection": 0.009067302990000014, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.610)" + }, + "parent_node_id": "node_2820", + "improvement_over_parent": null + }, + "node_2822": { + "node_id": "node_2822", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 446.83 kg\n Factor of Safety: 1.31\n Max Deflection: 7.24e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.83222641257606, + "fos_buckling": 1.306858765610498, + "fos_yielding": 11.647790221167236, + "deflection": 0.007235637384620346, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007622)" + }, + "parent_node_id": "node_2821", + "improvement_over_parent": null + }, + "node_2823": { + "node_id": "node_2823", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1245758736384, + "fos_buckling": 1.5373497293349472, + "fos_yielding": 14.266448289602456, + "deflection": 0.005955618251497269, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.244)" + }, + "parent_node_id": "node_2822", + "improvement_over_parent": null + }, + "node_2824": { + "node_id": "node_2824", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2823", + "improvement_over_parent": null + }, + "node_2825": { + "node_id": "node_2825", + "content": "INITIAL DESIGN (Trace 417)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0011)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0021)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0035)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n\nPerformance:\n Mass: 142.92 kg\n Factor of Safety: 0.30\n Max Deflection: 6.14e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 142.9157794517983, + "fos_buckling": 0.30269466180295646, + "fos_yielding": 1.818460947788651, + "deflection": 61350783627071.984, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2826": { + "node_id": "node_2826", + "content": "MODIFICATION: Increase 3 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0021)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0035)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n\nPerformance:\n Mass: 144.16 kg\n Factor of Safety: 0.50\n Max Deflection: 6.88e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 144.15907976364343, + "fos_buckling": 0.49791706282464654, + "fos_yielding": 2.3849752210208455, + "deflection": 68778953343905.19, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.608)" + }, + "parent_node_id": "node_2825", + "improvement_over_parent": null + }, + "node_2827": { + "node_id": "node_2827", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0021)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0035)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n\nPerformance:\n Mass: 160.68 kg\n Factor of Safety: 0.23\n Max Deflection: 3.12e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 160.68490755412896, + "fos_buckling": 0.23454699172634563, + "fos_yielding": 2.5277972209412045, + "deflection": 0.031199364624575107, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.002839)" + }, + "parent_node_id": "node_2826", + "improvement_over_parent": null + }, + "node_2828": { + "node_id": "node_2828", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0032)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0021)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0018)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0035)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0031)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0028)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0035)]\n\nPerformance:\n Mass: 189.64 kg\n Factor of Safety: 0.61\n Max Deflection: 1.68e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 189.63817507146047, + "fos_buckling": 0.6096976853824777, + "fos_yielding": 4.915890094931318, + "deflection": 0.016784116737158208, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.003539)" + }, + "parent_node_id": "node_2827", + "improvement_over_parent": null + }, + "node_2829": { + "node_id": "node_2829", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0042)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0027)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0037)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0046)]\n\nPerformance:\n Mass: 246.45 kg\n Factor of Safety: 0.78\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 246.44875018383223, + "fos_buckling": 0.7763470980147444, + "fos_yielding": 6.396308551333258, + "deflection": 0.012960118650322035, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.311)" + }, + "parent_node_id": "node_2828", + "improvement_over_parent": null + }, + "node_2830": { + "node_id": "node_2830", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0056)]\n\nPerformance:\n Mass: 296.12 kg\n Factor of Safety: 0.92\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 296.1154021588545, + "fos_buckling": 0.9161060433856439, + "fos_yielding": 7.693509709667434, + "deflection": 0.01081911141807928, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.211)" + }, + "parent_node_id": "node_2829", + "improvement_over_parent": null + }, + "node_2831": { + "node_id": "node_2831", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 388.50 kg\n Factor of Safety: 1.16\n Max Deflection: 8.29e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 388.50176774033696, + "fos_buckling": 1.1615264104304426, + "fos_yielding": 10.113810904918136, + "deflection": 0.008292754247450193, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_2830", + "improvement_over_parent": null + }, + "node_2832": { + "node_id": "node_2832", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 468.30 kg\n Factor of Safety: 1.36\n Max Deflection: 6.91e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 468.3015086952513, + "fos_buckling": 1.3584819349285457, + "fos_yielding": 12.21209449144762, + "deflection": 0.006912929958691629, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.222)" + }, + "parent_node_id": "node_2831", + "improvement_over_parent": null + }, + "node_2833": { + "node_id": "node_2833", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3172462725985, + "fos_buckling": 1.537769870508657, + "fos_yielding": 14.270425405380692, + "deflection": 0.0059536340188693915, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_2832", + "improvement_over_parent": null + }, + "node_2834": { + "node_id": "node_2834", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 9, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2833", + "improvement_over_parent": null + }, + "node_2835": { + "node_id": "node_2835", + "content": "INITIAL DESIGN (Trace 418)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2836": { + "node_id": "node_2836", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n\nPerformance:\n Mass: 268.97 kg\n Factor of Safety: 0.30\n Max Deflection: 2.80e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.97392823323025, + "fos_buckling": 0.30003240149806454, + "fos_yielding": 3.237917748286716, + "deflection": 27950854816399.344, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007712)" + }, + "parent_node_id": "node_2835", + "improvement_over_parent": null + }, + "node_2837": { + "node_id": "node_2837", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n\nPerformance:\n Mass: 303.80 kg\n Factor of Safety: 0.45\n Max Deflection: 1.31e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 303.7980989394759, + "fos_buckling": 0.4511221928604173, + "fos_yielding": 3.6178929537148625, + "deflection": 13114992979583.531, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006187)" + }, + "parent_node_id": "node_2836", + "improvement_over_parent": null + }, + "node_2838": { + "node_id": "node_2838", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 346.62 kg\n Factor of Safety: 0.44\n Max Deflection: 2.44e+13 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.61527776472724, + "fos_buckling": 0.4431219666543996, + "fos_yielding": 3.6178929537148625, + "deflection": 24383763202678.945, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_2837", + "improvement_over_parent": null + }, + "node_2839": { + "node_id": "node_2839", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 386.36 kg\n Factor of Safety: 0.51\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.35567253975415, + "fos_buckling": 0.5123170907075019, + "fos_yielding": 5.94818728606344, + "deflection": 0.013154049282895647, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007129)" + }, + "parent_node_id": "node_2838", + "improvement_over_parent": null + }, + "node_2840": { + "node_id": "node_2840", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.70 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.6981883418773, + "fos_buckling": 0.592993318640316, + "fos_yielding": 7.072493080433201, + "deflection": 0.01103414436666367, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_2839", + "improvement_over_parent": null + }, + "node_2841": { + "node_id": "node_2841", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.09 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0934207752388, + "fos_buckling": 1.5371756075192036, + "fos_yielding": 14.264243138314335, + "deflection": 0.005956000026112791, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2840", + "improvement_over_parent": null + }, + "node_2842": { + "node_id": "node_2842", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2841", + "improvement_over_parent": null + }, + "node_2843": { + "node_id": "node_2843", + "content": "INITIAL DESIGN (Trace 419)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2844": { + "node_id": "node_2844", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 415.28 kg\n Factor of Safety: 0.59\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 415.27861518453267, + "fos_buckling": 0.5948403814143591, + "fos_yielding": 7.096353631257711, + "deflection": 0.012206364929289514, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2843", + "improvement_over_parent": null + }, + "node_2845": { + "node_id": "node_2845", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 462.88 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8813796450356, + "fos_buckling": 0.593054528240562, + "fos_yielding": 7.075369929738381, + "deflection": 0.01103029418543408, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2844", + "improvement_over_parent": null + }, + "node_2846": { + "node_id": "node_2846", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2766120783971, + "fos_buckling": 1.5376652864382838, + "fos_yielding": 14.26978441112261, + "deflection": 0.0059540696012867515, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2845", + "improvement_over_parent": null + }, + "node_2847": { + "node_id": "node_2847", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2846", + "improvement_over_parent": null + }, + "node_2848": { + "node_id": "node_2848", + "content": "INITIAL DESIGN (Trace 420)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0025)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 308.48 kg\n Factor of Safety: 0.57\n Max Deflection: 1.23e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 308.4821094395102, + "fos_buckling": 0.5712720845700008, + "fos_yielding": 6.978469333423126, + "deflection": 0.012291631904241995, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2849": { + "node_id": "node_2849", + "content": "MODIFICATION: Increase 7 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0025)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 324.40 kg\n Factor of Safety: 0.57\n Max Deflection: 1.20e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 324.40360139256757, + "fos_buckling": 0.5706933392359307, + "fos_yielding": 6.971399573365255, + "deflection": 0.011999154702590088, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.603)" + }, + "parent_node_id": "node_2848", + "improvement_over_parent": null + }, + "node_2850": { + "node_id": "node_2850", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 394.76 kg\n Factor of Safety: 0.68\n Max Deflection: 9.89e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.7560538810133, + "fos_buckling": 0.6802975998697823, + "fos_yielding": 8.47190590938778, + "deflection": 0.009893003173582524, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.233)" + }, + "parent_node_id": "node_2849", + "improvement_over_parent": null + }, + "node_2851": { + "node_id": "node_2851", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 474.17 kg\n Factor of Safety: 0.80\n Max Deflection: 8.27e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 474.1689586649537, + "fos_buckling": 0.7980454189924491, + "fos_yielding": 10.1630402863656, + "deflection": 0.008266008784416322, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.220)" + }, + "parent_node_id": "node_2850", + "improvement_over_parent": null + }, + "node_2852": { + "node_id": "node_2852", + "content": "MODIFICATION: Increase 4 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 478.98 kg\n Factor of Safety: 0.80\n Max Deflection: 8.22e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 478.9789076941853, + "fos_buckling": 0.7975617252804714, + "fos_yielding": 10.156880488233687, + "deflection": 0.00821747178821279, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.647)" + }, + "parent_node_id": "node_2851", + "improvement_over_parent": null + }, + "node_2853": { + "node_id": "node_2853", + "content": "MODIFICATION: Increase 9 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.38 kg\n Factor of Safety: 1.00\n Max Deflection: 7.47e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.38050753049623, + "fos_buckling": 0.9964908891220019, + "fos_yielding": 12.47179381132412, + "deflection": 0.007467406059458788, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.333)" + }, + "parent_node_id": "node_2852", + "improvement_over_parent": null + }, + "node_2854": { + "node_id": "node_2854", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9832719909992, + "fos_buckling": 1.5369938822387623, + "fos_yielding": 14.256348816641514, + "deflection": 0.005957496875474873, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2853", + "improvement_over_parent": null + }, + "node_2855": { + "node_id": "node_2855", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2854", + "improvement_over_parent": null + }, + "node_2856": { + "node_id": "node_2856", + "content": "INITIAL DESIGN (Trace 421)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 262.95 kg\n Factor of Safety: 0.60\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 262.95337357454406, + "fos_buckling": 0.5993721962038929, + "fos_yielding": 6.9368978860350134, + "deflection": 0.013463356712352003, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2857": { + "node_id": "node_2857", + "content": "MODIFICATION: Increase 5 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0052)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0046)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0028)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n\nPerformance:\n Mass: 264.04 kg\n Factor of Safety: 0.60\n Max Deflection: 1.34e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 264.0430599477139, + "fos_buckling": 0.5992887814355176, + "fos_yielding": 6.935932476337876, + "deflection": 0.01343329125723205, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.190)" + }, + "parent_node_id": "node_2856", + "improvement_over_parent": null + }, + "node_2858": { + "node_id": "node_2858", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 335.85 kg\n Factor of Safety: 0.74\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.85154520646284, + "fos_buckling": 0.739992009695616, + "fos_yielding": 8.782463840253312, + "deflection": 0.010608639139803701, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.289)" + }, + "parent_node_id": "node_2857", + "improvement_over_parent": null + }, + "node_2859": { + "node_id": "node_2859", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 394.82 kg\n Factor of Safety: 0.85\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.81716786163173, + "fos_buckling": 0.8485833032515908, + "fos_yielding": 10.286349907528285, + "deflection": 0.009057442732084522, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.189)" + }, + "parent_node_id": "node_2858", + "improvement_over_parent": null + }, + "node_2860": { + "node_id": "node_2860", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n\nPerformance:\n Mass: 447.36 kg\n Factor of Safety: 1.31\n Max Deflection: 7.23e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.35768679845506, + "fos_buckling": 1.3080491749294387, + "fos_yielding": 11.652947309806382, + "deflection": 0.007227747663639892, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007636)" + }, + "parent_node_id": "node_2859", + "improvement_over_parent": null + }, + "node_2861": { + "node_id": "node_2861", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 545.95 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9544057981175, + "fos_buckling": 1.5368784337915171, + "fos_yielding": 14.251561150072732, + "deflection": 0.005957717667013046, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_2860", + "improvement_over_parent": null + }, + "node_2862": { + "node_id": "node_2862", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2861", + "improvement_over_parent": null + }, + "node_2863": { + "node_id": "node_2863", + "content": "INITIAL DESIGN (Trace 422)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n\nPerformance:\n Mass: 281.20 kg\n Factor of Safety: 0.30\n Max Deflection: 5.21e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 281.201916764345, + "fos_buckling": 0.295572094604315, + "fos_yielding": 3.6182876561658355, + "deflection": 0.05214018241526541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2864": { + "node_id": "node_2864", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 340.52 kg\n Factor of Safety: 0.61\n Max Deflection: 1.38e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 340.51708032641795, + "fos_buckling": 0.6079386490014123, + "fos_yielding": 7.442167070381587, + "deflection": 0.013760633685957414, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007484)" + }, + "parent_node_id": "node_2863", + "improvement_over_parent": null + }, + "node_2865": { + "node_id": "node_2865", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 410.97 kg\n Factor of Safety: 0.72\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.9747047755744, + "fos_buckling": 0.7198631775258234, + "fos_yielding": 8.979716887217188, + "deflection": 0.011428375429873402, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.222)" + }, + "parent_node_id": "node_2864", + "improvement_over_parent": null + }, + "node_2866": { + "node_id": "node_2866", + "content": "MODIFICATION: Increase 6 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 428.58 kg\n Factor of Safety: 0.89\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.5780626432544, + "fos_buckling": 0.8912327513618257, + "fos_yielding": 10.88001184297275, + "deflection": 0.010531751014486036, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.353)" + }, + "parent_node_id": "node_2865", + "improvement_over_parent": null + }, + "node_2867": { + "node_id": "node_2867", + "content": "MODIFICATION: Increase 7 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 446.45 kg\n Factor of Safety: 0.89\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 446.4464795119343, + "fos_buckling": 0.8913913921402817, + "fos_yielding": 10.878730381543189, + "deflection": 0.010531750293989957, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.520)" + }, + "parent_node_id": "node_2866", + "improvement_over_parent": null + }, + "node_2868": { + "node_id": "node_2868", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 520.58 kg\n Factor of Safety: 1.01\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 520.5797751443039, + "fos_buckling": 1.0106780241183781, + "fos_yielding": 12.650451945788705, + "deflection": 0.009056247347481788, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.182)" + }, + "parent_node_id": "node_2867", + "improvement_over_parent": null + }, + "node_2869": { + "node_id": "node_2869", + "content": "MODIFICATION: Increase 8 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.97 kg\n Factor of Safety: 1.01\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.9716107661774, + "fos_buckling": 1.0109052289392155, + "fos_yielding": 12.65592760997172, + "deflection": 0.009056247718142398, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.263)" + }, + "parent_node_id": "node_2868", + "improvement_over_parent": null + }, + "node_2870": { + "node_id": "node_2870", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 545.94 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9411302757322, + "fos_buckling": 1.5366189577144354, + "fos_yielding": 14.267826187827353, + "deflection": 0.005957586012416567, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2869", + "improvement_over_parent": null + }, + "node_2871": { + "node_id": "node_2871", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2870", + "improvement_over_parent": null + }, + "node_2872": { + "node_id": "node_2872", + "content": "INITIAL DESIGN (Trace 423)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2873": { + "node_id": "node_2873", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n\nPerformance:\n Mass: 377.92 kg\n Factor of Safety: 0.82\n Max Deflection: 9.45e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 377.9236648154042, + "fos_buckling": 0.8180951153476496, + "fos_yielding": 9.85644642867248, + "deflection": 0.009452467333428138, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006661)" + }, + "parent_node_id": "node_2872", + "improvement_over_parent": null + }, + "node_2874": { + "node_id": "node_2874", + "content": "MODIFICATION: Increase all_members thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 481.90 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.9011936709323, + "fos_buckling": 0.9976393656263629, + "fos_yielding": 12.486990446521206, + "deflection": 0.007460911682382966, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.302)" + }, + "parent_node_id": "node_2873", + "improvement_over_parent": null + }, + "node_2875": { + "node_id": "node_2875", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.03 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0338465635529, + "fos_buckling": 1.5370834460484804, + "fos_yielding": 14.261810370253905, + "deflection": 0.005956761252049131, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2874", + "improvement_over_parent": null + }, + "node_2876": { + "node_id": "node_2876", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2875", + "improvement_over_parent": null + }, + "node_2877": { + "node_id": "node_2877", + "content": "INITIAL DESIGN (Trace 424)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 397.54 kg\n Factor of Safety: 1.07\n Max Deflection: 8.17e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 397.5373620506868, + "fos_buckling": 1.067800874639728, + "fos_yielding": 10.265004448870874, + "deflection": 0.008174763618761982, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2878": { + "node_id": "node_2878", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 444.07 kg\n Factor of Safety: 1.18\n Max Deflection: 7.34e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.06692065378974, + "fos_buckling": 1.1759378382350951, + "fos_yielding": 11.47871601301111, + "deflection": 0.007338113002118271, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.126)" + }, + "parent_node_id": "node_2877", + "improvement_over_parent": null + }, + "node_2879": { + "node_id": "node_2879", + "content": "MODIFICATION: Increase 10 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 456.18 kg\n Factor of Safety: 1.33\n Max Deflection: 7.09e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.18456499438525, + "fos_buckling": 1.3293947851783474, + "fos_yielding": 11.89362548616685, + "deflection": 0.007091266555899765, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.227)" + }, + "parent_node_id": "node_2878", + "improvement_over_parent": null + }, + "node_2880": { + "node_id": "node_2880", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.32 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3200811152159, + "fos_buckling": 1.537700003971178, + "fos_yielding": 14.271214108899013, + "deflection": 0.005953527590836906, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.217)" + }, + "parent_node_id": "node_2879", + "improvement_over_parent": null + }, + "node_2881": { + "node_id": "node_2881", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2880", + "improvement_over_parent": null + }, + "node_2882": { + "node_id": "node_2882", + "content": "INITIAL DESIGN (Trace 425)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 376.39 kg\n Factor of Safety: 1.15\n Max Deflection: 8.68e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.3857092674531, + "fos_buckling": 1.1523308994477868, + "fos_yielding": 9.629339879484698, + "deflection": 0.008684352679278485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2883": { + "node_id": "node_2883", + "content": "MODIFICATION: Increase 1 thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 386.71 kg\n Factor of Safety: 1.16\n Max Deflection: 8.33e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.71341658008276, + "fos_buckling": 1.1568476998395545, + "fos_yielding": 10.067410577949717, + "deflection": 0.008330087061496282, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.328)" + }, + "parent_node_id": "node_2882", + "improvement_over_parent": null + }, + "node_2884": { + "node_id": "node_2884", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0067)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 430.67 kg\n Factor of Safety: 1.27\n Max Deflection: 7.50e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.6709209181796, + "fos_buckling": 1.2672115621422695, + "fos_yielding": 11.22233187341914, + "deflection": 0.007499791543365302, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.122)" + }, + "parent_node_id": "node_2883", + "improvement_over_parent": null + }, + "node_2885": { + "node_id": "node_2885", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.02 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0167902084154, + "fos_buckling": 1.5369688997267386, + "fos_yielding": 14.263254923329969, + "deflection": 0.005956724066200967, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.294)" + }, + "parent_node_id": "node_2884", + "improvement_over_parent": null + }, + "node_2886": { + "node_id": "node_2886", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2885", + "improvement_over_parent": null + }, + "node_2887": { + "node_id": "node_2887", + "content": "INITIAL DESIGN (Trace 426)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 242.88 kg\n Factor of Safety: 0.24\n Max Deflection: 2.80e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.87719713811515, + "fos_buckling": 0.24204674035024087, + "fos_yielding": 3.3867139734209752, + "deflection": 0.027992642494306687, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2888": { + "node_id": "node_2888", + "content": "MODIFICATION: Increase 6 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0030)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 243.89 kg\n Factor of Safety: 0.24\n Max Deflection: 2.77e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 243.89011104816348, + "fos_buckling": 0.24204674035024082, + "fos_yielding": 3.386713973420978, + "deflection": 0.027732402990087664, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.193)" + }, + "parent_node_id": "node_2887", + "improvement_over_parent": null + }, + "node_2889": { + "node_id": "node_2889", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 316.35 kg\n Factor of Safety: 0.31\n Max Deflection: 2.14e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.3459997331888, + "fos_buckling": 0.30963143723688463, + "fos_yielding": 4.384912795638633, + "deflection": 0.021433182452483185, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_2888", + "improvement_over_parent": null + }, + "node_2890": { + "node_id": "node_2890", + "content": "MODIFICATION: Increase 3 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 323.63 kg\n Factor of Safety: 0.40\n Max Deflection: 2.01e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 323.63363973071574, + "fos_buckling": 0.3994695440323209, + "fos_yielding": 4.3828488201703495, + "deflection": 0.020052838909904454, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.342)" + }, + "parent_node_id": "node_2889", + "improvement_over_parent": null + }, + "node_2891": { + "node_id": "node_2891", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 365.88 kg\n Factor of Safety: 0.45\n Max Deflection: 1.78e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.8752302590804, + "fos_buckling": 0.44552664708057255, + "fos_yielding": 4.9497053768783665, + "deflection": 0.017774193106783184, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_2890", + "improvement_over_parent": null + }, + "node_2892": { + "node_id": "node_2892", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 449.27 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.27046269244187, + "fos_buckling": 0.5938890894424882, + "fos_yielding": 7.086016674272563, + "deflection": 0.011114571497363208, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2891", + "improvement_over_parent": null + }, + "node_2893": { + "node_id": "node_2893", + "content": "MODIFICATION: Increase 3 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 463.15 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.15298235948507, + "fos_buckling": 0.5933691180350726, + "fos_yielding": 7.079906219029941, + "deflection": 0.011023812665172017, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.451)" + }, + "parent_node_id": "node_2892", + "improvement_over_parent": null + }, + "node_2894": { + "node_id": "node_2894", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.55 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5482147928465, + "fos_buckling": 1.5378327628657895, + "fos_yielding": 14.275231162538418, + "deflection": 0.0059514773547288975, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_2893", + "improvement_over_parent": null + }, + "node_2895": { + "node_id": "node_2895", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2894", + "improvement_over_parent": null + }, + "node_2896": { + "node_id": "node_2896", + "content": "INITIAL DESIGN (Trace 427)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 342.68 kg\n Factor of Safety: 0.80\n Max Deflection: 9.63e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.6811666661441, + "fos_buckling": 0.796515460567339, + "fos_yielding": 8.987047760794745, + "deflection": 0.009630339371270263, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2897": { + "node_id": "node_2897", + "content": "MODIFICATION: Increase 8 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0044)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 349.16 kg\n Factor of Safety: 0.82\n Max Deflection: 9.49e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.1613328954604, + "fos_buckling": 0.819502843720897, + "fos_yielding": 8.802144456909497, + "deflection": 0.009490748652801409, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.186)" + }, + "parent_node_id": "node_2896", + "improvement_over_parent": null + }, + "node_2898": { + "node_id": "node_2898", + "content": "MODIFICATION: Increase 7 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 370.22 kg\n Factor of Safety: 1.11\n Max Deflection: 8.69e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.22361059631885, + "fos_buckling": 1.1144312858710796, + "fos_yielding": 9.635892763185632, + "deflection": 0.008692159203776953, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.629)" + }, + "parent_node_id": "node_2897", + "improvement_over_parent": null + }, + "node_2899": { + "node_id": "node_2899", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0064)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0080)]\n\nPerformance:\n Mass: 413.48 kg\n Factor of Safety: 1.22\n Max Deflection: 7.80e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 413.4848602052399, + "fos_buckling": 1.2246423739359287, + "fos_yielding": 10.771825123137038, + "deflection": 0.007803170628604978, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_2898", + "improvement_over_parent": null + }, + "node_2900": { + "node_id": "node_2900", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 461.35 kg\n Factor of Safety: 1.34\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.35245462206507, + "fos_buckling": 1.341844195745656, + "fos_yielding": 12.031161480443668, + "deflection": 0.007013820027529441, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_2899", + "improvement_over_parent": null + }, + "node_2901": { + "node_id": "node_2901", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.20 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2023907618349, + "fos_buckling": 1.5374775676603891, + "fos_yielding": 14.269812446895758, + "deflection": 0.005954600982550525, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.202)" + }, + "parent_node_id": "node_2900", + "improvement_over_parent": null + }, + "node_2902": { + "node_id": "node_2902", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2901", + "improvement_over_parent": null + }, + "node_2903": { + "node_id": "node_2903", + "content": "INITIAL DESIGN (Trace 428)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 322.24 kg\n Factor of Safety: 0.71\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 322.24417361976015, + "fos_buckling": 0.7140338626088366, + "fos_yielding": 8.43367000630523, + "deflection": 0.011047335201706927, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2904": { + "node_id": "node_2904", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 365.11 kg\n Factor of Safety: 1.10\n Max Deflection: 8.81e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.1061446908924, + "fos_buckling": 1.1011668239640278, + "fos_yielding": 9.500472522461955, + "deflection": 0.008811604909081384, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006143)" + }, + "parent_node_id": "node_2903", + "improvement_over_parent": null + }, + "node_2905": { + "node_id": "node_2905", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n\nPerformance:\n Mass: 420.67 kg\n Factor of Safety: 1.24\n Max Deflection: 7.67e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 420.6701415911889, + "fos_buckling": 1.2425991352774064, + "fos_yielding": 10.959340715984995, + "deflection": 0.0076735266474843855, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_2904", + "improvement_over_parent": null + }, + "node_2906": { + "node_id": "node_2906", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.38 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.379096878034, + "fos_buckling": 1.5379209048305555, + "fos_yielding": 14.27276202252689, + "deflection": 0.0059529662270635655, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_2905", + "improvement_over_parent": null + }, + "node_2907": { + "node_id": "node_2907", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2906", + "improvement_over_parent": null + }, + "node_2908": { + "node_id": "node_2908", + "content": "INITIAL DESIGN (Trace 429)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 472.55 kg\n Factor of Safety: 1.26\n Max Deflection: 6.88e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 472.5540773117081, + "fos_buckling": 1.2612396051049188, + "fos_yielding": 12.611981645299933, + "deflection": 0.006875018760936858, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2909": { + "node_id": "node_2909", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 526.07 kg\n Factor of Safety: 1.38\n Max Deflection: 6.20e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 526.072598594476, + "fos_buckling": 1.3802162937245974, + "fos_yielding": 14.054987267290908, + "deflection": 0.0061950544301827525, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_2908", + "improvement_over_parent": null + }, + "node_2910": { + "node_id": "node_2910", + "content": "MODIFICATION: Increase 10 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 539.85 kg\n Factor of Safety: 1.51\n Max Deflection: 6.00e-03 m\n Status: FEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 539.8464199976157, + "fos_buckling": 1.5097166524540697, + "fos_yielding": 14.543634227901716, + "deflection": 0.006001680556118277, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.217)" + }, + "parent_node_id": "node_2909", + "improvement_over_parent": null + }, + "node_2911": { + "node_id": "node_2911", + "content": "MODIFICATION: Increase 2 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.71 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.714928159306, + "fos_buckling": 1.538626825827323, + "fos_yielding": 14.280195645499445, + "deflection": 0.005949471522542418, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.185)" + }, + "parent_node_id": "node_2910", + "improvement_over_parent": null + }, + "node_2912": { + "node_id": "node_2912", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2911", + "improvement_over_parent": null + }, + "node_2913": { + "node_id": "node_2913", + "content": "INITIAL DESIGN (Trace 430)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 313.86 kg\n Factor of Safety: 0.75\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 313.864605722534, + "fos_buckling": 0.7529703788278698, + "fos_yielding": 8.955471700333348, + "deflection": 0.012696909291685838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2914": { + "node_id": "node_2914", + "content": "MODIFICATION: Increase 3 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 320.82 kg\n Factor of Safety: 0.75\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.82106427646085, + "fos_buckling": 0.7526369211001901, + "fos_yielding": 8.951505712656465, + "deflection": 0.012702579179684542, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.276)" + }, + "parent_node_id": "node_2913", + "improvement_over_parent": null + }, + "node_2915": { + "node_id": "node_2915", + "content": "MODIFICATION: Increase 7 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 330.82 kg\n Factor of Safety: 0.75\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 330.8173898710831, + "fos_buckling": 0.7521582642071322, + "fos_yielding": 8.945812795138746, + "deflection": 0.012702579179684547, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.300)" + }, + "parent_node_id": "node_2914", + "improvement_over_parent": null + }, + "node_2916": { + "node_id": "node_2916", + "content": "MODIFICATION: Increase 5 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 332.65 kg\n Factor of Safety: 0.75\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 332.64799504881796, + "fos_buckling": 0.7521582642071322, + "fos_yielding": 8.945812795138746, + "deflection": 0.012702579179684547, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.389)" + }, + "parent_node_id": "node_2915", + "improvement_over_parent": null + }, + "node_2917": { + "node_id": "node_2917", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 378.12 kg\n Factor of Safety: 0.76\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.118284798047, + "fos_buckling": 0.7585850039646422, + "fos_yielding": 9.022249382343384, + "deflection": 0.012702579179684549, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006541)" + }, + "parent_node_id": "node_2916", + "improvement_over_parent": null + }, + "node_2918": { + "node_id": "node_2918", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 424.24 kg\n Factor of Safety: 0.84\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 424.2363612706571, + "fos_buckling": 0.8372802524612594, + "fos_yielding": 10.107973312880171, + "deflection": 0.01133815912392451, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_2917", + "improvement_over_parent": null + }, + "node_2919": { + "node_id": "node_2919", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 533.21 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2106418709448, + "fos_buckling": 1.011487643491392, + "fos_yielding": 12.660993134417161, + "deflection": 0.009051876661195533, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.282)" + }, + "parent_node_id": "node_2918", + "improvement_over_parent": null + }, + "node_2920": { + "node_id": "node_2920", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.18 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1801613804996, + "fos_buckling": 1.5373494045356086, + "fos_yielding": 14.269119796407349, + "deflection": 0.005955026182543082, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2919", + "improvement_over_parent": null + }, + "node_2921": { + "node_id": "node_2921", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2920", + "improvement_over_parent": null + }, + "node_2922": { + "node_id": "node_2922", + "content": "INITIAL DESIGN (Trace 431)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 380.19 kg\n Factor of Safety: 0.52\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 380.18629609200525, + "fos_buckling": 0.5216173360658785, + "fos_yielding": 6.074781078844962, + "deflection": 0.013000226785839791, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2923": { + "node_id": "node_2923", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 451.27 kg\n Factor of Safety: 1.29\n Max Deflection: 7.10e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.26963587617615, + "fos_buckling": 1.292333000079992, + "fos_yielding": 12.655933231328964, + "deflection": 0.007100187558545594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009088)" + }, + "parent_node_id": "node_2922", + "improvement_over_parent": null + }, + "node_2924": { + "node_id": "node_2924", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.53 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.5304918727327, + "fos_buckling": 1.4706475660006446, + "fos_yielding": 14.861609563957469, + "deflection": 0.006079857487234175, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_2923", + "improvement_over_parent": null + }, + "node_2925": { + "node_id": "node_2925", + "content": "MODIFICATION: Increase 9 thickness by 38%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0150)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 557.45 kg\n Factor of Safety: 1.55\n Max Deflection: 5.79e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 557.4499689688697, + "fos_buckling": 1.5450635638469392, + "fos_yielding": 15.588843689736574, + "deflection": 0.005787455174718018, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.383)" + }, + "parent_node_id": "node_2924", + "improvement_over_parent": null + }, + "node_2926": { + "node_id": "node_2926", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2925", + "improvement_over_parent": null + }, + "node_2927": { + "node_id": "node_2927", + "content": "INITIAL DESIGN (Trace 432)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0034)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 257.80 kg\n Factor of Safety: 0.38\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 257.8040874514826, + "fos_buckling": 0.3795923661788078, + "fos_yielding": 4.497966754522921, + "deflection": 0.01577839540301843, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2928": { + "node_id": "node_2928", + "content": "MODIFICATION: Increase 7 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0055)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0048)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0060)]\n\nPerformance:\n Mass: 268.77 kg\n Factor of Safety: 0.52\n Max Deflection: 1.37e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.7667011297829, + "fos_buckling": 0.5170324928381638, + "fos_yielding": 6.259034637033108, + "deflection": 0.013712240590102778, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.408)" + }, + "parent_node_id": "node_2927", + "improvement_over_parent": null + }, + "node_2929": { + "node_id": "node_2929", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 315.21 kg\n Factor of Safety: 0.60\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 315.2118901066721, + "fos_buckling": 0.5974524519410987, + "fos_yielding": 7.33081189763934, + "deflection": 0.011721109539042, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_2928", + "improvement_over_parent": null + }, + "node_2930": { + "node_id": "node_2930", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 387.04 kg\n Factor of Safety: 0.72\n Max Deflection: 9.58e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.0377341731407, + "fos_buckling": 0.7167151127234527, + "fos_yielding": 8.983763053472568, + "deflection": 0.009582538405942736, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.245)" + }, + "parent_node_id": "node_2929", + "improvement_over_parent": null + }, + "node_2931": { + "node_id": "node_2931", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 463.08 kg\n Factor of Safety: 0.84\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.0812007191323, + "fos_buckling": 0.8362696077858185, + "fos_yielding": 10.728743561243204, + "deflection": 0.00804100259442332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_2930", + "improvement_over_parent": null + }, + "node_2932": { + "node_id": "node_2932", + "content": "MODIFICATION: Increase 4 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 466.05 kg\n Factor of Safety: 0.84\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.04677285034404, + "fos_buckling": 0.8362696077858185, + "fos_yielding": 10.728743561243204, + "deflection": 0.00804100259442332, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.488)" + }, + "parent_node_id": "node_2931", + "improvement_over_parent": null + }, + "node_2933": { + "node_id": "node_2933", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 530.18 kg\n Factor of Safety: 1.35\n Max Deflection: 6.19e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.1794257429647, + "fos_buckling": 1.3505298129066108, + "fos_yielding": 13.709768045549563, + "deflection": 0.006186193801940476, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_2932", + "improvement_over_parent": null + }, + "node_2934": { + "node_id": "node_2934", + "content": "MODIFICATION: Increase 7 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.04 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0384758794357, + "fos_buckling": 1.5370770029493248, + "fos_yielding": 14.262242420102494, + "deflection": 0.005956731556573821, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.258)" + }, + "parent_node_id": "node_2933", + "improvement_over_parent": null + }, + "node_2935": { + "node_id": "node_2935", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2934", + "improvement_over_parent": null + }, + "node_2936": { + "node_id": "node_2936", + "content": "INITIAL DESIGN (Trace 433)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0057)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 293.64 kg\n Factor of Safety: 0.61\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 293.640769028597, + "fos_buckling": 0.6087747632279962, + "fos_yielding": 7.471278798061361, + "deflection": 0.014140122441629505, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2937": { + "node_id": "node_2937", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 365.06 kg\n Factor of Safety: 0.74\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.06370564848817, + "fos_buckling": 0.7407877740400035, + "fos_yielding": 9.300842524840226, + "deflection": 0.011402264964933453, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_2936", + "improvement_over_parent": null + }, + "node_2938": { + "node_id": "node_2938", + "content": "MODIFICATION: Increase 6 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0054)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 378.02 kg\n Factor of Safety: 0.87\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 378.0219627100391, + "fos_buckling": 0.8682861766940967, + "fos_yielding": 10.563090815662381, + "deflection": 0.010751975062755917, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.245)" + }, + "parent_node_id": "node_2937", + "improvement_over_parent": null + }, + "node_2939": { + "node_id": "node_2939", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 450.19 kg\n Factor of Safety: 1.00\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 450.1949667498227, + "fos_buckling": 1.0002097938340733, + "fos_yielding": 12.518491285268874, + "deflection": 0.009057113623636643, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.209)" + }, + "parent_node_id": "node_2938", + "improvement_over_parent": null + }, + "node_2940": { + "node_id": "node_2940", + "content": "MODIFICATION: Increase 7 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 468.81 kg\n Factor of Safety: 1.00\n Max Deflection: 9.06e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 468.8103446733668, + "fos_buckling": 0.9990349813696106, + "fos_yielding": 12.50378749043616, + "deflection": 0.009057113633099046, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.449)" + }, + "parent_node_id": "node_2939", + "improvement_over_parent": null + }, + "node_2941": { + "node_id": "node_2941", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 481.78 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 481.77986418292164, + "fos_buckling": 0.997402568724984, + "fos_yielding": 12.483356433280266, + "deflection": 0.007462925568439417, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2940", + "improvement_over_parent": null + }, + "node_2942": { + "node_id": "node_2942", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 536.03 kg\n Factor of Safety: 1.50\n Max Deflection: 6.03e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 536.03349731178, + "fos_buckling": 1.5000826956310853, + "fos_yielding": 14.582947122826171, + "deflection": 0.006025278749613757, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007905)" + }, + "parent_node_id": "node_2941", + "improvement_over_parent": null + }, + "node_2943": { + "node_id": "node_2943", + "content": "MODIFICATION: Increase 9 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0075)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 538.34 kg\n Factor of Safety: 1.51\n Max Deflection: 5.98e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 538.344421682215, + "fos_buckling": 1.5121072067446721, + "fos_yielding": 16.896783969571242, + "deflection": 0.005975427745684661, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.200)" + }, + "parent_node_id": "node_2942", + "improvement_over_parent": null + }, + "node_2944": { + "node_id": "node_2944", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2943", + "improvement_over_parent": null + }, + "node_2945": { + "node_id": "node_2945", + "content": "INITIAL DESIGN (Trace 434)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 359.75 kg\n Factor of Safety: 0.86\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 359.75281004859175, + "fos_buckling": 0.8584643951144486, + "fos_yielding": 10.422494145872099, + "deflection": 0.011033074649671197, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2946": { + "node_id": "node_2946", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n\nPerformance:\n Mass: 399.16 kg\n Factor of Safety: 0.86\n Max Deflection: 8.96e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.1624230312482, + "fos_buckling": 0.8563222122497298, + "fos_yielding": 10.396486208333881, + "deflection": 0.00896137508356992, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007065)" + }, + "parent_node_id": "node_2945", + "improvement_over_parent": null + }, + "node_2947": { + "node_id": "node_2947", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.39 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.39421221337795, + "fos_buckling": 0.9984405674350533, + "fos_yielding": 12.499310326197834, + "deflection": 0.007453538748107089, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.229)" + }, + "parent_node_id": "node_2946", + "improvement_over_parent": null + }, + "node_2948": { + "node_id": "node_2948", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 529.87 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.8689109791808, + "fos_buckling": 1.4712072891648054, + "fos_yielding": 14.876327039552704, + "deflection": 0.006075985743437674, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006849)" + }, + "parent_node_id": "node_2947", + "improvement_over_parent": null + }, + "node_2949": { + "node_id": "node_2949", + "content": "MODIFICATION: Increase 9 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0120)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n\nPerformance:\n Mass: 545.90 kg\n Factor of Safety: 1.47\n Max Deflection: 5.99e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.8951140233296, + "fos_buckling": 1.4672607005222136, + "fos_yielding": 14.421870337445934, + "deflection": 0.005991433964765342, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.385)" + }, + "parent_node_id": "node_2948", + "improvement_over_parent": null + }, + "node_2950": { + "node_id": "node_2950", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2949", + "improvement_over_parent": null + }, + "node_2951": { + "node_id": "node_2951", + "content": "INITIAL DESIGN (Trace 435)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 288.76 kg\n Factor of Safety: 0.42\n Max Deflection: 1.75e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 288.75809584881614, + "fos_buckling": 0.4237698409564531, + "fos_yielding": 4.076626872237348, + "deflection": 0.01747945565914856, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2952": { + "node_id": "node_2952", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 344.36 kg\n Factor of Safety: 0.94\n Max Deflection: 9.59e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.3592301667699, + "fos_buckling": 0.9416062065990264, + "fos_yielding": 7.671301813203169, + "deflection": 0.009592607412949773, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006987)" + }, + "parent_node_id": "node_2951", + "improvement_over_parent": null + }, + "node_2953": { + "node_id": "node_2953", + "content": "MODIFICATION: Increase 5 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0045)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 345.93 kg\n Factor of Safety: 0.92\n Max Deflection: 9.47e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 345.93347217760027, + "fos_buckling": 0.9221280497484019, + "fos_yielding": 9.162395664866743, + "deflection": 0.009472146971035324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.236)" + }, + "parent_node_id": "node_2952", + "improvement_over_parent": null + }, + "node_2954": { + "node_id": "node_2954", + "content": "MODIFICATION: Increase 2 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 352.09 kg\n Factor of Safety: 1.07\n Max Deflection: 9.33e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.09177009079815, + "fos_buckling": 1.0660091888462881, + "fos_yielding": 8.936302410671658, + "deflection": 0.009331409853418274, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.255)" + }, + "parent_node_id": "node_2953", + "improvement_over_parent": null + }, + "node_2955": { + "node_id": "node_2955", + "content": "MODIFICATION: Increase 0 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n\nPerformance:\n Mass: 364.17 kg\n Factor of Safety: 1.10\n Max Deflection: 8.83e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 364.17451790245906, + "fos_buckling": 1.098759706282652, + "fos_yielding": 9.47136299051105, + "deflection": 0.008834070035592724, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.439)" + }, + "parent_node_id": "node_2954", + "improvement_over_parent": null + }, + "node_2956": { + "node_id": "node_2956", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 436.73 kg\n Factor of Safety: 1.28\n Max Deflection: 7.40e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 436.7261355728853, + "fos_buckling": 1.2822383041097318, + "fos_yielding": 11.37599066975291, + "deflection": 0.007398942827338051, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.214)" + }, + "parent_node_id": "node_2955", + "improvement_over_parent": null + }, + "node_2957": { + "node_id": "node_2957", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5106170257541, + "fos_buckling": 1.5382346528177724, + "fos_yielding": 14.269395639399077, + "deflection": 0.005951853557096998, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.276)" + }, + "parent_node_id": "node_2956", + "improvement_over_parent": null + }, + "node_2958": { + "node_id": "node_2958", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2957", + "improvement_over_parent": null + }, + "node_2959": { + "node_id": "node_2959", + "content": "INITIAL DESIGN (Trace 436)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 517.01 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.0123493531942, + "fos_buckling": 1.0115287042811383, + "fos_yielding": 12.661985128453683, + "deflection": 0.009049990917709668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2960": { + "node_id": "node_2960", + "content": "MODIFICATION: Increase 5 thickness by 34%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 519.27 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 519.2659810893728, + "fos_buckling": 1.011153606402179, + "fos_yielding": 12.65728977601831, + "deflection": 0.009049990917709668, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.335)" + }, + "parent_node_id": "node_2959", + "improvement_over_parent": null + }, + "node_2961": { + "node_id": "node_2961", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 532.24 kg\n Factor of Safety: 1.48\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.2355005989276, + "fos_buckling": 1.4828591720974147, + "fos_yielding": 14.751524790502163, + "deflection": 0.006055286034404805, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2960", + "improvement_over_parent": null + }, + "node_2962": { + "node_id": "node_2962", + "content": "MODIFICATION: Increase 8 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0124)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 549.59 kg\n Factor of Safety: 1.48\n Max Deflection: 5.97e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.5851509807987, + "fos_buckling": 1.478908760493522, + "fos_yielding": 14.33881529283818, + "deflection": 0.005968874694975304, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.307)" + }, + "parent_node_id": "node_2961", + "improvement_over_parent": null + }, + "node_2963": { + "node_id": "node_2963", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2962", + "improvement_over_parent": null + }, + "node_2964": { + "node_id": "node_2964", + "content": "INITIAL DESIGN (Trace 437)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n\nPerformance:\n Mass: 248.50 kg\n Factor of Safety: 0.53\n Max Deflection: 1.90e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 248.49956037143872, + "fos_buckling": 0.5283371994317572, + "fos_yielding": 6.039243620730562, + "deflection": 0.018974101389471035, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2965": { + "node_id": "node_2965", + "content": "MODIFICATION: Increase 2 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n\nPerformance:\n Mass: 252.07 kg\n Factor of Safety: 0.53\n Max Deflection: 1.90e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 252.0661613828416, + "fos_buckling": 0.5282935164792086, + "fos_yielding": 6.038744295691937, + "deflection": 0.018978461923160286, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.196)" + }, + "parent_node_id": "node_2964", + "improvement_over_parent": null + }, + "node_2966": { + "node_id": "node_2966", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n\nPerformance:\n Mass: 258.19 kg\n Factor of Safety: 0.81\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 258.19499754376653, + "fos_buckling": 0.8099032540054003, + "fos_yielding": 6.702234218010126, + "deflection": 0.012379442270816141, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.002825)" + }, + "parent_node_id": "node_2965", + "improvement_over_parent": null + }, + "node_2967": { + "node_id": "node_2967", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n\nPerformance:\n Mass: 306.93 kg\n Factor of Safety: 0.95\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 306.93065682037, + "fos_buckling": 0.9458161224366647, + "fos_yielding": 7.975624546347209, + "deflection": 0.010444797549665735, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.198)" + }, + "parent_node_id": "node_2966", + "improvement_over_parent": null + }, + "node_2968": { + "node_id": "node_2968", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n\nPerformance:\n Mass: 381.72 kg\n Factor of Safety: 1.14\n Max Deflection: 8.44e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.7163521587581, + "fos_buckling": 1.1441451426428386, + "fos_yielding": 9.934837136187749, + "deflection": 0.008436722346853569, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.259)" + }, + "parent_node_id": "node_2967", + "improvement_over_parent": null + }, + "node_2969": { + "node_id": "node_2969", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 491.10 kg\n Factor of Safety: 1.41\n Max Deflection: 6.60e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 491.09653018324514, + "fos_buckling": 1.4122190284351728, + "fos_yielding": 12.811684555076793, + "deflection": 0.006601141706233251, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.311)" + }, + "parent_node_id": "node_2968", + "improvement_over_parent": null + }, + "node_2970": { + "node_id": "node_2970", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.95 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.9506766985257, + "fos_buckling": 1.5391755470964088, + "fos_yielding": 14.285947033549201, + "deflection": 0.005946983390033802, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_2969", + "improvement_over_parent": null + }, + "node_2971": { + "node_id": "node_2971", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2970", + "improvement_over_parent": null + }, + "node_2972": { + "node_id": "node_2972", + "content": "INITIAL DESIGN (Trace 438)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.87 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.8717694450979, + "fos_buckling": 0.9986273960877067, + "fos_yielding": 12.500490776596486, + "deflection": 0.009022484470338456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2973": { + "node_id": "node_2973", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 530.47 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.4745339056009, + "fos_buckling": 1.0111260826777486, + "fos_yielding": 12.656945243047627, + "deflection": 0.009049992278978168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_2972", + "improvement_over_parent": null + }, + "node_2974": { + "node_id": "node_2974", + "content": "MODIFICATION: Increase 4 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0079)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 534.30 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.3035565449613, + "fos_buckling": 1.0107494273994624, + "fos_yielding": 12.6522303955974, + "deflection": 0.009049992278978168, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.458)" + }, + "parent_node_id": "node_2973", + "improvement_over_parent": null + }, + "node_2975": { + "node_id": "node_2975", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0079)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 547.27 kg\n Factor of Safety: 1.32\n Max Deflection: 5.97e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.2730760545162, + "fos_buckling": 1.3184329811883604, + "fos_yielding": 14.165345452551074, + "deflection": 0.005968310163853485, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_2974", + "improvement_over_parent": null + }, + "node_2976": { + "node_id": "node_2976", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2975", + "improvement_over_parent": null + }, + "node_2977": { + "node_id": "node_2977", + "content": "INITIAL DESIGN (Trace 439)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 292.39 kg\n Factor of Safety: 0.80\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 292.3902925894164, + "fos_buckling": 0.7981540197731413, + "fos_yielding": 8.06025895872377, + "deflection": 0.011070558625797223, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2978": { + "node_id": "node_2978", + "content": "MODIFICATION: Increase 2 thickness by 53%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0034)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0052)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0059)]\n\nPerformance:\n Mass: 301.44 kg\n Factor of Safety: 0.94\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.43828292489445, + "fos_buckling": 0.9438895709342531, + "fos_yielding": 7.685867027501362, + "deflection": 0.010814997162033714, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.527)" + }, + "parent_node_id": "node_2977", + "improvement_over_parent": null + }, + "node_2979": { + "node_id": "node_2979", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0054)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0059)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0067)]\n\nPerformance:\n Mass: 341.97 kg\n Factor of Safety: 1.05\n Max Deflection: 9.56e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.9693217782619, + "fos_buckling": 1.0548225843927317, + "fos_yielding": 8.726151977414915, + "deflection": 0.009555381636436155, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_2978", + "improvement_over_parent": null + }, + "node_2980": { + "node_id": "node_2980", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 444.61 kg\n Factor of Safety: 1.32\n Max Deflection: 7.39e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.61314240241666, + "fos_buckling": 1.31932893009003, + "fos_yielding": 11.368318377970551, + "deflection": 0.007392523182505494, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_2979", + "improvement_over_parent": null + }, + "node_2981": { + "node_id": "node_2981", + "content": "MODIFICATION: Increase 1 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 457.51 kg\n Factor of Safety: 1.33\n Max Deflection: 7.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.5113139807811, + "fos_buckling": 1.3324263666659761, + "fos_yielding": 11.926861756895933, + "deflection": 0.007071409122101358, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.357)" + }, + "parent_node_id": "node_2980", + "improvement_over_parent": null + }, + "node_2982": { + "node_id": "node_2982", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.65 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6513719385881, + "fos_buckling": 1.5382529589954776, + "fos_yielding": 14.277976171589286, + "deflection": 0.0059501536366392575, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.214)" + }, + "parent_node_id": "node_2981", + "improvement_over_parent": null + }, + "node_2983": { + "node_id": "node_2983", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2982", + "improvement_over_parent": null + }, + "node_2984": { + "node_id": "node_2984", + "content": "INITIAL DESIGN (Trace 440)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 356.93 kg\n Factor of Safety: 0.76\n Max Deflection: 1.03e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 356.93498827929955, + "fos_buckling": 0.7568561228901015, + "fos_yielding": 9.01215172000815, + "deflection": 0.010335922857749312, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2985": { + "node_id": "node_2985", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n\nPerformance:\n Mass: 391.00 kg\n Factor of Safety: 1.17\n Max Deflection: 8.24e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.0039369189216, + "fos_buckling": 1.1679261306797326, + "fos_yielding": 10.179972721606902, + "deflection": 0.008240921548369508, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006044)" + }, + "parent_node_id": "node_2984", + "improvement_over_parent": null + }, + "node_2986": { + "node_id": "node_2986", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 459.85 kg\n Factor of Safety: 1.34\n Max Deflection: 7.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 459.84691534358757, + "fos_buckling": 1.3382825187434473, + "fos_yielding": 11.990004901678937, + "deflection": 0.00703642602768016, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_2985", + "improvement_over_parent": null + }, + "node_2987": { + "node_id": "node_2987", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.69 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.6869804273751, + "fos_buckling": 1.5363878687276264, + "fos_yielding": 14.254426714370206, + "deflection": 0.005960275287263667, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.205)" + }, + "parent_node_id": "node_2986", + "improvement_over_parent": null + }, + "node_2988": { + "node_id": "node_2988", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2987", + "improvement_over_parent": null + }, + "node_2989": { + "node_id": "node_2989", + "content": "INITIAL DESIGN (Trace 441)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 479.09 kg\n Factor of Safety: 0.82\n Max Deflection: 6.87e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.08647048579707, + "fos_buckling": 0.8155300960112517, + "fos_yielding": 8.30436139309511, + "deflection": 0.006865975616148339, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2990": { + "node_id": "node_2990", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 541.03 kg\n Factor of Safety: 0.91\n Max Deflection: 6.10e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.0273817817103, + "fos_buckling": 0.9104602574250331, + "fos_yielding": 9.35077053814073, + "deflection": 0.006102195304265051, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_2989", + "improvement_over_parent": null + }, + "node_2991": { + "node_id": "node_2991", + "content": "MODIFICATION: Increase 6 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.99 kg\n Factor of Safety: 1.22\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.9898706416634, + "fos_buckling": 1.2213832804959046, + "fos_yielding": 12.976594056102963, + "deflection": 0.006021163878313449, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.493)" + }, + "parent_node_id": "node_2990", + "improvement_over_parent": null + }, + "node_2992": { + "node_id": "node_2992", + "content": "MODIFICATION: Increase 6 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.47 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4663599869154, + "fos_buckling": 1.5381096334684992, + "fos_yielding": 14.274613889663069, + "deflection": 0.005952053015747572, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.618)" + }, + "parent_node_id": "node_2991", + "improvement_over_parent": null + }, + "node_2993": { + "node_id": "node_2993", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_2992", + "improvement_over_parent": null + }, + "node_2994": { + "node_id": "node_2994", + "content": "INITIAL DESIGN (Trace 442)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 238.78 kg\n Factor of Safety: 0.04\n Max Deflection: 5.95e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 238.78296380649286, + "fos_buckling": 0.03721902807188717, + "fos_yielding": 0.3022033599062365, + "deflection": 594711893044872.4, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_2995": { + "node_id": "node_2995", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0041)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n\nPerformance:\n Mass: 278.97 kg\n Factor of Safety: 0.40\n Max Deflection: 1.76e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.9696699713121, + "fos_buckling": 0.40122790681779064, + "fos_yielding": 4.509723557504195, + "deflection": 0.01758537283072486, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.005738)" + }, + "parent_node_id": "node_2994", + "improvement_over_parent": null + }, + "node_2996": { + "node_id": "node_2996", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 343.46 kg\n Factor of Safety: 0.48\n Max Deflection: 1.43e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 343.45547550233, + "fos_buckling": 0.47976831589605134, + "fos_yielding": 5.515509715608586, + "deflection": 0.014343638049825313, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_2995", + "improvement_over_parent": null + }, + "node_2997": { + "node_id": "node_2997", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 398.37 kg\n Factor of Safety: 1.13\n Max Deflection: 8.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.3655924608989, + "fos_buckling": 1.125625732213369, + "fos_yielding": 11.11958208457268, + "deflection": 0.008052902256435955, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006895)" + }, + "parent_node_id": "node_2996", + "improvement_over_parent": null + }, + "node_2998": { + "node_id": "node_2998", + "content": "MODIFICATION: Increase 7 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 404.58 kg\n Factor of Safety: 1.12\n Max Deflection: 7.96e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 404.5822086550068, + "fos_buckling": 1.1235504212253267, + "fos_yielding": 10.876021419092863, + "deflection": 0.007964348498804312, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.183)" + }, + "parent_node_id": "node_2997", + "improvement_over_parent": null + }, + "node_2999": { + "node_id": "node_2999", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 525.21 kg\n Factor of Safety: 1.40\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.207315128195, + "fos_buckling": 1.4017285724037325, + "fos_yielding": 14.145456009861183, + "deflection": 0.006179682649086932, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_2998", + "improvement_over_parent": null + }, + "node_3000": { + "node_id": "node_3000", + "content": "MODIFICATION: Increase 9 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0133)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 547.65 kg\n Factor of Safety: 1.46\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.6524604214916, + "fos_buckling": 1.4624687162876586, + "fos_yielding": 13.671112723713634, + "deflection": 0.006060203586137456, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.401)" + }, + "parent_node_id": "node_2999", + "improvement_over_parent": null + }, + "node_3001": { + "node_id": "node_3001", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3000", + "improvement_over_parent": null + }, + "node_3002": { + "node_id": "node_3002", + "content": "INITIAL DESIGN (Trace 443)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 339.96 kg\n Factor of Safety: 0.61\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.96185552755014, + "fos_buckling": 0.6065461962870966, + "fos_yielding": 7.455028627422827, + "deflection": 0.011061615054423515, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3003": { + "node_id": "node_3003", + "content": "MODIFICATION: Increase 7 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 355.35 kg\n Factor of Safety: 0.78\n Max Deflection: 9.97e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.3506936802422, + "fos_buckling": 0.781490634526071, + "fos_yielding": 9.347131046259236, + "deflection": 0.009967150496021255, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.353)" + }, + "parent_node_id": "node_3002", + "improvement_over_parent": null + }, + "node_3004": { + "node_id": "node_3004", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 402.96 kg\n Factor of Safety: 0.95\n Max Deflection: 8.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 402.9616090503876, + "fos_buckling": 0.9455765583970654, + "fos_yielding": 9.768623590349925, + "deflection": 0.008044763052815616, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006870)" + }, + "parent_node_id": "node_3003", + "improvement_over_parent": null + }, + "node_3005": { + "node_id": "node_3005", + "content": "MODIFICATION: Increase 4 thickness by 61%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0063)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0069)]\n\nPerformance:\n Mass: 405.56 kg\n Factor of Safety: 1.20\n Max Deflection: 7.95e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 405.56313290587246, + "fos_buckling": 1.2048141682717954, + "fos_yielding": 10.56270531919108, + "deflection": 0.00795207786752561, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.610)" + }, + "parent_node_id": "node_3004", + "improvement_over_parent": null + }, + "node_3006": { + "node_id": "node_3006", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 475.99 kg\n Factor of Safety: 1.38\n Max Deflection: 6.80e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 475.9909064344388, + "fos_buckling": 1.376748588505406, + "fos_yielding": 12.41568892692602, + "deflection": 0.00680438528108853, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_3005", + "improvement_over_parent": null + }, + "node_3007": { + "node_id": "node_3007", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.61 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6078418484674, + "fos_buckling": 1.5384300234596027, + "fos_yielding": 14.279277601155123, + "deflection": 0.005950551964834121, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.163)" + }, + "parent_node_id": "node_3006", + "improvement_over_parent": null + }, + "node_3008": { + "node_id": "node_3008", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3007", + "improvement_over_parent": null + }, + "node_3009": { + "node_id": "node_3009", + "content": "INITIAL DESIGN (Trace 444)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3010": { + "node_id": "node_3010", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n\nPerformance:\n Mass: 326.01 kg\n Factor of Safety: 0.74\n Max Deflection: 1.08e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 326.0137673209625, + "fos_buckling": 0.7433869760464473, + "fos_yielding": 8.827583498978399, + "deflection": 0.010767982649046473, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005901)" + }, + "parent_node_id": "node_3009", + "improvement_over_parent": null + }, + "node_3011": { + "node_id": "node_3011", + "content": "MODIFICATION: Increase 8 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n\nPerformance:\n Mass: 342.52 kg\n Factor of Safety: 0.74\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.52388603910396, + "fos_buckling": 0.7426071472898185, + "fos_yielding": 8.818323176043156, + "deflection": 0.010425633180100796, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.307)" + }, + "parent_node_id": "node_3010", + "improvement_over_parent": null + }, + "node_3012": { + "node_id": "node_3012", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0049)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 387.41 kg\n Factor of Safety: 1.15\n Max Deflection: 8.24e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.406151011392, + "fos_buckling": 1.1514178665824661, + "fos_yielding": 10.825816304447523, + "deflection": 0.008243937557983734, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.006451)" + }, + "parent_node_id": "node_3011", + "improvement_over_parent": null + }, + "node_3013": { + "node_id": "node_3013", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0111)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 444.55 kg\n Factor of Safety: 1.29\n Max Deflection: 7.21e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.54790834114993, + "fos_buckling": 1.2937487788858246, + "fos_yielding": 12.432359016545808, + "deflection": 0.007209278786571738, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.159)" + }, + "parent_node_id": "node_3012", + "improvement_over_parent": null + }, + "node_3014": { + "node_id": "node_3014", + "content": "MODIFICATION: Increase 6 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0107)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0111)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 460.12 kg\n Factor of Safety: 1.43\n Max Deflection: 6.96e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 460.1243688608756, + "fos_buckling": 1.4330033118668064, + "fos_yielding": 12.922885132701518, + "deflection": 0.006963841329890626, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.255)" + }, + "parent_node_id": "node_3013", + "improvement_over_parent": null + }, + "node_3015": { + "node_id": "node_3015", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0136)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0073)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0141)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 571.89 kg\n Factor of Safety: 1.70\n Max Deflection: 5.64e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 571.8860721723755, + "fos_buckling": 1.7049821832640824, + "fos_yielding": 16.08521348146055, + "deflection": 0.0056406921995996746, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_3014", + "improvement_over_parent": null + }, + "node_3016": { + "node_id": "node_3016", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3015", + "improvement_over_parent": null + }, + "node_3017": { + "node_id": "node_3017", + "content": "INITIAL DESIGN (Trace 445)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3018": { + "node_id": "node_3018", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 470.00 kg\n Factor of Safety: 0.70\n Max Deflection: 8.76e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.0042163993278, + "fos_buckling": 0.6960450364438973, + "fos_yielding": 8.697728684905686, + "deflection": 0.008758683774858238, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3017", + "improvement_over_parent": null + }, + "node_3019": { + "node_id": "node_3019", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 517.61 kg\n Factor of Safety: 1.19\n Max Deflection: 6.44e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.6069808598307, + "fos_buckling": 1.188610645918971, + "fos_yielding": 13.14841701122699, + "deflection": 0.0064395077011277935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3018", + "improvement_over_parent": null + }, + "node_3020": { + "node_id": "node_3020", + "content": "MODIFICATION: Increase 10 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0137)]\n\nPerformance:\n Mass: 541.06 kg\n Factor of Safety: 1.25\n Max Deflection: 6.28e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 541.0592922337311, + "fos_buckling": 1.2494311025198674, + "fos_yielding": 12.653417294744182, + "deflection": 0.006283974950134373, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.575)" + }, + "parent_node_id": "node_3019", + "improvement_over_parent": null + }, + "node_3021": { + "node_id": "node_3021", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3020", + "improvement_over_parent": null + }, + "node_3022": { + "node_id": "node_3022", + "content": "INITIAL DESIGN (Trace 446)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 347.33 kg\n Factor of Safety: 0.03\n Max Deflection: 7.34e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.3258446559969, + "fos_buckling": 0.030450157432559934, + "fos_yielding": 0.3296720515344266, + "deflection": 734323597132810.2, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3023": { + "node_id": "node_3023", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 390.25 kg\n Factor of Safety: 0.63\n Max Deflection: 1.95e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.24655163136003, + "fos_buckling": 0.634807296240104, + "fos_yielding": 10.58918549703122, + "deflection": 19533375136718.11, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_3022", + "improvement_over_parent": null + }, + "node_3024": { + "node_id": "node_3024", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 437.85 kg\n Factor of Safety: 0.54\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.849316091863, + "fos_buckling": 0.5434503354186582, + "fos_yielding": 5.980529504065553, + "deflection": 0.011348120809123596, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3023", + "improvement_over_parent": null + }, + "node_3025": { + "node_id": "node_3025", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 521.24 kg\n Factor of Safety: 1.44\n Max Deflection: 6.16e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 521.2445485252244, + "fos_buckling": 1.442674815972934, + "fos_yielding": 15.319998128263252, + "deflection": 0.006158718695838662, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3024", + "improvement_over_parent": null + }, + "node_3026": { + "node_id": "node_3026", + "content": "MODIFICATION: Increase 4 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0086)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 525.40 kg\n Factor of Safety: 1.46\n Max Deflection: 6.09e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 525.4031761699185, + "fos_buckling": 1.4582998303821042, + "fos_yielding": 16.117053853363046, + "deflection": 0.006085916244298675, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.366)" + }, + "parent_node_id": "node_3025", + "improvement_over_parent": null + }, + "node_3027": { + "node_id": "node_3027", + "content": "MODIFICATION: Increase 2 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0086)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 534.38 kg\n Factor of Safety: 1.43\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.3781803853035, + "fos_buckling": 1.4302807315435506, + "fos_yielding": 15.483680197462734, + "deflection": 0.006023085736152718, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.255)" + }, + "parent_node_id": "node_3026", + "improvement_over_parent": null + }, + "node_3028": { + "node_id": "node_3028", + "content": "MODIFICATION: Increase 6 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0086)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0130)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 549.46 kg\n Factor of Safety: 1.46\n Max Deflection: 5.85e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 549.4615475522411, + "fos_buckling": 1.4615697495684046, + "fos_yielding": 16.084194708997217, + "deflection": 0.005852388412496195, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.203)" + }, + "parent_node_id": "node_3027", + "improvement_over_parent": null + }, + "node_3029": { + "node_id": "node_3029", + "content": "MODIFICATION: Increase 8 thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0086)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0130)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0120)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 564.29 kg\n Factor of Safety: 1.38\n Max Deflection: 5.77e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 564.2865472233415, + "fos_buckling": 1.3841060284346234, + "fos_yielding": 15.2317266184616, + "deflection": 0.005774391522368088, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.261)" + }, + "parent_node_id": "node_3028", + "improvement_over_parent": null + }, + "node_3030": { + "node_id": "node_3030", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3029", + "improvement_over_parent": null + }, + "node_3031": { + "node_id": "node_3031", + "content": "INITIAL DESIGN (Trace 447)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 426.08 kg\n Factor of Safety: 0.89\n Max Deflection: 8.94e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 426.08478958626154, + "fos_buckling": 0.8917535819537507, + "fos_yielding": 9.333493916976703, + "deflection": 0.008942759746379148, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3032": { + "node_id": "node_3032", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0072)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 467.50 kg\n Factor of Safety: 1.37\n Max Deflection: 6.98e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 467.4976703873599, + "fos_buckling": 1.373297246385299, + "fos_yielding": 12.083741718395448, + "deflection": 0.006975998416944993, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007454)" + }, + "parent_node_id": "node_3031", + "improvement_over_parent": null + }, + "node_3033": { + "node_id": "node_3033", + "content": "MODIFICATION: Increase 0 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n\nPerformance:\n Mass: 475.24 kg\n Factor of Safety: 1.38\n Max Deflection: 6.81e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 475.2442505051571, + "fos_buckling": 1.375027622956961, + "fos_yielding": 12.395221794519953, + "deflection": 0.006814883609363097, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.182)" + }, + "parent_node_id": "node_3032", + "improvement_over_parent": null + }, + "node_3034": { + "node_id": "node_3034", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.19 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1898025675928, + "fos_buckling": 1.5375524551636133, + "fos_yielding": 14.267316277278265, + "deflection": 0.005955055386869064, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.164)" + }, + "parent_node_id": "node_3033", + "improvement_over_parent": null + }, + "node_3035": { + "node_id": "node_3035", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3034", + "improvement_over_parent": null + }, + "node_3036": { + "node_id": "node_3036", + "content": "INITIAL DESIGN (Trace 448)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 391.49 kg\n Factor of Safety: 0.53\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 391.4926936985429, + "fos_buckling": 0.5346558872089531, + "fos_yielding": 6.25292935806787, + "deflection": 0.012671057805218768, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3037": { + "node_id": "node_3037", + "content": "MODIFICATION: Increase 4 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0075)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0094)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0082)]\n\nPerformance:\n Mass: 394.63 kg\n Factor of Safety: 0.53\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.63010146945743, + "fos_buckling": 0.5346558872089531, + "fos_yielding": 6.252929358067873, + "deflection": 0.012616528623576989, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.637)" + }, + "parent_node_id": "node_3036", + "improvement_over_parent": null + }, + "node_3038": { + "node_id": "node_3038", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 449.36 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.3556447471733, + "fos_buckling": 0.5935431355870963, + "fos_yielding": 7.081065450576851, + "deflection": 0.011118393137486433, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_3037", + "improvement_over_parent": null + }, + "node_3039": { + "node_id": "node_3039", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 532.75 kg\n Factor of Safety: 1.37\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 532.7508771805348, + "fos_buckling": 1.3672281141492053, + "fos_yielding": 14.872342255338802, + "deflection": 0.006072267141498242, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3038", + "improvement_over_parent": null + }, + "node_3040": { + "node_id": "node_3040", + "content": "MODIFICATION: Increase 2 thickness by 43%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2683052688038, + "fos_buckling": 1.5376526370324861, + "fos_yielding": 14.26907815110056, + "deflection": 0.005954187034515494, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.435)" + }, + "parent_node_id": "node_3039", + "improvement_over_parent": null + }, + "node_3041": { + "node_id": "node_3041", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3040", + "improvement_over_parent": null + }, + "node_3042": { + "node_id": "node_3042", + "content": "INITIAL DESIGN (Trace 449)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0047)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0025)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0045)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 222.32 kg\n Factor of Safety: 0.21\n Max Deflection: 2.51e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 222.32413564507118, + "fos_buckling": 0.20706801581666087, + "fos_yielding": 2.9854500243509787, + "deflection": 0.02512190031908158, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3043": { + "node_id": "node_3043", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0031)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 277.40 kg\n Factor of Safety: 0.26\n Max Deflection: 2.02e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.39866004701514, + "fos_buckling": 0.25534046772386876, + "fos_yielding": 3.727614047920394, + "deflection": 0.02017602177780471, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.261)" + }, + "parent_node_id": "node_3042", + "improvement_over_parent": null + }, + "node_3044": { + "node_id": "node_3044", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 342.29 kg\n Factor of Safety: 0.31\n Max Deflection: 1.64e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.29122906165424, + "fos_buckling": 0.31069663674544323, + "fos_yielding": 4.604491972117235, + "deflection": 0.016389809138173377, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_3043", + "improvement_over_parent": null + }, + "node_3045": { + "node_id": "node_3045", + "content": "MODIFICATION: Increase 2 thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 348.92 kg\n Factor of Safety: 0.39\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.9192496975287, + "fos_buckling": 0.3923966075620602, + "fos_yielding": 5.509304169299508, + "deflection": 0.01511431250335165, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.309)" + }, + "parent_node_id": "node_3044", + "improvement_over_parent": null + }, + "node_3046": { + "node_id": "node_3046", + "content": "MODIFICATION: Increase 2 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 356.32 kg\n Factor of Safety: 0.48\n Max Deflection: 1.42e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 356.3197774199691, + "fos_buckling": 0.4786047255089137, + "fos_yielding": 5.5016294842426765, + "deflection": 0.01423784912322809, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.271)" + }, + "parent_node_id": "node_3045", + "improvement_over_parent": null + }, + "node_3047": { + "node_id": "node_3047", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 420.54 kg\n Factor of Safety: 1.24\n Max Deflection: 7.68e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 420.53964083509345, + "fos_buckling": 1.2422432526439786, + "fos_yielding": 10.95612951887137, + "deflection": 0.007675780105356751, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008147)" + }, + "parent_node_id": "node_3046", + "improvement_over_parent": null + }, + "node_3048": { + "node_id": "node_3048", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.21 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.213971904315, + "fos_buckling": 1.5375201664714453, + "fos_yielding": 14.26867890193651, + "deflection": 0.0059546562167174305, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_3047", + "improvement_over_parent": null + }, + "node_3049": { + "node_id": "node_3049", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3048", + "improvement_over_parent": null + }, + "node_3050": { + "node_id": "node_3050", + "content": "INITIAL DESIGN (Trace 450)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3051": { + "node_id": "node_3051", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 449.91 kg\n Factor of Safety: 0.51\n Max Deflection: 3.16e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.90838585496044, + "fos_buckling": 0.5085247924612849, + "fos_yielding": 6.365733713771207, + "deflection": 0.03164121951834925, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3050", + "improvement_over_parent": null + }, + "node_3052": { + "node_id": "node_3052", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.30 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.3036182883219, + "fos_buckling": 1.0116338279021864, + "fos_yielding": 12.66367276431, + "deflection": 0.009050141920380537, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3051", + "improvement_over_parent": null + }, + "node_3053": { + "node_id": "node_3053", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2731377978768, + "fos_buckling": 1.5376678398560952, + "fos_yielding": 14.270103402657696, + "deflection": 0.005954101059191969, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3052", + "improvement_over_parent": null + }, + "node_3054": { + "node_id": "node_3054", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3053", + "improvement_over_parent": null + }, + "node_3055": { + "node_id": "node_3055", + "content": "INITIAL DESIGN (Trace 451)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n\nPerformance:\n Mass: 185.03 kg\n Factor of Safety: 0.23\n Max Deflection: 2.41e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 185.02839137551172, + "fos_buckling": 0.233499742880938, + "fos_yielding": 1.8089464768574308, + "deflection": 24051789205243.08, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3056": { + "node_id": "node_3056", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n\nPerformance:\n Mass: 210.11 kg\n Factor of Safety: 0.23\n Max Deflection: 4.78e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 210.10910179704436, + "fos_buckling": 0.233499742880938, + "fos_yielding": 1.8089464768574308, + "deflection": 47812783276161.875, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.004375)" + }, + "parent_node_id": "node_3055", + "improvement_over_parent": null + }, + "node_3057": { + "node_id": "node_3057", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0050)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0032)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0055)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0048)]\n\nPerformance:\n Mass: 243.90 kg\n Factor of Safety: 0.34\n Max Deflection: 2.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 243.9033156216683, + "fos_buckling": 0.3438390805761892, + "fos_yielding": 3.8064289030677565, + "deflection": 0.020658789452614585, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.004783)" + }, + "parent_node_id": "node_3056", + "improvement_over_parent": null + }, + "node_3058": { + "node_id": "node_3058", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n\nPerformance:\n Mass: 309.27 kg\n Factor of Safety: 0.42\n Max Deflection: 1.64e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 309.27095628597027, + "fos_buckling": 0.4240119253166256, + "fos_yielding": 4.796533812293991, + "deflection": 0.016356944308026082, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.284)" + }, + "parent_node_id": "node_3057", + "improvement_over_parent": null + }, + "node_3059": { + "node_id": "node_3059", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n\nPerformance:\n Mass: 372.86 kg\n Factor of Safety: 0.50\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.8607955240383, + "fos_buckling": 0.49725889906084486, + "fos_yielding": 5.747954813393023, + "deflection": 0.013619466197749019, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.221)" + }, + "parent_node_id": "node_3058", + "improvement_over_parent": null + }, + "node_3060": { + "node_id": "node_3060", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 440.02 kg\n Factor of Safety: 1.29\n Max Deflection: 7.34e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.0195072670137, + "fos_buckling": 1.290070800381093, + "fos_yielding": 11.468036207467858, + "deflection": 0.007344745080434454, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008548)" + }, + "parent_node_id": "node_3059", + "improvement_over_parent": null + }, + "node_3061": { + "node_id": "node_3061", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.62 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6160335080156, + "fos_buckling": 1.538225883061435, + "fos_yielding": 14.278840679590564, + "deflection": 0.005950521535654992, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.266)" + }, + "parent_node_id": "node_3060", + "improvement_over_parent": null + }, + "node_3062": { + "node_id": "node_3062", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3061", + "improvement_over_parent": null + }, + "node_3063": { + "node_id": "node_3063", + "content": "INITIAL DESIGN (Trace 452)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0018)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 266.45 kg\n Factor of Safety: 0.61\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 266.45293315328615, + "fos_buckling": 0.6110915391232522, + "fos_yielding": 7.086542612058263, + "deflection": 0.01328676352067202, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3064": { + "node_id": "node_3064", + "content": "MODIFICATION: Increase 5 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0053)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 268.15 kg\n Factor of Safety: 0.61\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 268.1538244894002, + "fos_buckling": 0.6109588118130109, + "fos_yielding": 7.085003435552632, + "deflection": 0.013199333349708298, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.447)" + }, + "parent_node_id": "node_3063", + "improvement_over_parent": null + }, + "node_3065": { + "node_id": "node_3065", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 298.65 kg\n Factor of Safety: 0.67\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 298.6527273495368, + "fos_buckling": 0.6719125118116439, + "fos_yielding": 7.87555717906933, + "deflection": 0.011873804187347518, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_3064", + "improvement_over_parent": null + }, + "node_3066": { + "node_id": "node_3066", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 338.52 kg\n Factor of Safety: 0.75\n Max Deflection: 1.05e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 338.5193550018367, + "fos_buckling": 0.749015709929699, + "fos_yielding": 8.90431479571303, + "deflection": 0.010501304212862059, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.142)" + }, + "parent_node_id": "node_3065", + "improvement_over_parent": null + }, + "node_3067": { + "node_id": "node_3067", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n\nPerformance:\n Mass: 383.80 kg\n Factor of Safety: 1.04\n Max Deflection: 8.48e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.800284717474, + "fos_buckling": 1.0396139755810117, + "fos_yielding": 8.086601179840427, + "deflection": 0.008482527039094337, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006512)" + }, + "parent_node_id": "node_3066", + "improvement_over_parent": null + }, + "node_3068": { + "node_id": "node_3068", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 464.46 kg\n Factor of Safety: 1.24\n Max Deflection: 7.04e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 464.46345521319097, + "fos_buckling": 1.2389587027680826, + "fos_yielding": 9.830799289148588, + "deflection": 0.007041558911831861, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.227)" + }, + "parent_node_id": "node_3067", + "improvement_over_parent": null + }, + "node_3069": { + "node_id": "node_3069", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 543.98 kg\n Factor of Safety: 1.43\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.9844362482736, + "fos_buckling": 1.4287471031706183, + "fos_yielding": 11.567585341501502, + "deflection": 0.006039260139686423, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_3068", + "improvement_over_parent": null + }, + "node_3070": { + "node_id": "node_3070", + "content": "MODIFICATION: Increase 5 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.77 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7716477986974, + "fos_buckling": 1.5387981680302893, + "fos_yielding": 14.290273652248276, + "deflection": 0.00594864813793877, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.300)" + }, + "parent_node_id": "node_3069", + "improvement_over_parent": null + }, + "node_3071": { + "node_id": "node_3071", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3070", + "improvement_over_parent": null + }, + "node_3072": { + "node_id": "node_3072", + "content": "INITIAL DESIGN (Trace 453)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 372.86 kg\n Factor of Safety: 0.95\n Max Deflection: 8.77e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 372.8590796067552, + "fos_buckling": 0.9504421987325231, + "fos_yielding": 7.322150160210466, + "deflection": 0.008765646811761382, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3073": { + "node_id": "node_3073", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 479.92 kg\n Factor of Safety: 1.20\n Max Deflection: 6.85e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.9186896062955, + "fos_buckling": 1.202424022410388, + "fos_yielding": 9.491073555726658, + "deflection": 0.0068507043128132085, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.311)" + }, + "parent_node_id": "node_3072", + "improvement_over_parent": null + }, + "node_3074": { + "node_id": "node_3074", + "content": "MODIFICATION: Increase 5 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 483.10 kg\n Factor of Safety: 1.39\n Max Deflection: 6.71e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 483.0985952593388, + "fos_buckling": 1.3934591485679009, + "fos_yielding": 12.592750327241296, + "deflection": 0.006707377835099179, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.416)" + }, + "parent_node_id": "node_3073", + "improvement_over_parent": null + }, + "node_3075": { + "node_id": "node_3075", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.98 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9761095099506, + "fos_buckling": 1.5369800705070369, + "fos_yielding": 14.251124762114223, + "deflection": 0.005957410129682531, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.143)" + }, + "parent_node_id": "node_3074", + "improvement_over_parent": null + }, + "node_3076": { + "node_id": "node_3076", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3075", + "improvement_over_parent": null + }, + "node_3077": { + "node_id": "node_3077", + "content": "INITIAL DESIGN (Trace 454)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0022)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0051)]\n\nPerformance:\n Mass: 256.11 kg\n Factor of Safety: 0.55\n Max Deflection: 1.56e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 256.1102975414149, + "fos_buckling": 0.5476683245167869, + "fos_yielding": 6.6621995449296465, + "deflection": 0.01562547527487762, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3078": { + "node_id": "node_3078", + "content": "MODIFICATION: Increase 4 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0026)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0051)]\n\nPerformance:\n Mass: 256.98 kg\n Factor of Safety: 0.55\n Max Deflection: 1.56e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 256.98159251293475, + "fos_buckling": 0.5476073423472004, + "fos_yielding": 6.661457717505491, + "deflection": 0.015618207562114798, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.189)" + }, + "parent_node_id": "node_3077", + "improvement_over_parent": null + }, + "node_3079": { + "node_id": "node_3079", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 321.69 kg\n Factor of Safety: 0.67\n Max Deflection: 1.25e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 321.6948360843713, + "fos_buckling": 0.6701733546940846, + "fos_yielding": 8.326442775720025, + "deflection": 0.012531852097081015, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.269)" + }, + "parent_node_id": "node_3078", + "improvement_over_parent": null + }, + "node_3080": { + "node_id": "node_3080", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 358.66 kg\n Factor of Safety: 0.67\n Max Deflection: 1.04e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 358.65562099612146, + "fos_buckling": 0.6686006440648681, + "fos_yielding": 8.306902928357824, + "deflection": 0.010368946497859624, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006594)" + }, + "parent_node_id": "node_3079", + "improvement_over_parent": null + }, + "node_3081": { + "node_id": "node_3081", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 408.45 kg\n Factor of Safety: 1.01\n Max Deflection: 8.11e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 408.4511130748539, + "fos_buckling": 1.0062315174524896, + "fos_yielding": 7.822282149326568, + "deflection": 0.008113126520349557, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007208)" + }, + "parent_node_id": "node_3080", + "improvement_over_parent": null + }, + "node_3082": { + "node_id": "node_3082", + "content": "MODIFICATION: Increase 5 thickness by 45%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0060)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 411.48 kg\n Factor of Safety: 0.99\n Max Deflection: 8.06e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.4831745858411, + "fos_buckling": 0.9949173022297735, + "fos_yielding": 7.734327257996632, + "deflection": 0.00806103857822362, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.449)" + }, + "parent_node_id": "node_3081", + "improvement_over_parent": null + }, + "node_3083": { + "node_id": "node_3083", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0078)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 530.18 kg\n Factor of Safety: 1.26\n Max Deflection: 6.29e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 530.180393658731, + "fos_buckling": 1.2584567863052598, + "fos_yielding": 10.055702433801226, + "deflection": 0.006293520196741005, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.316)" + }, + "parent_node_id": "node_3082", + "improvement_over_parent": null + }, + "node_3084": { + "node_id": "node_3084", + "content": "MODIFICATION: Increase 10 thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0078)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0120)]\n\nPerformance:\n Mass: 545.28 kg\n Factor of Safety: 1.23\n Max Deflection: 6.21e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.2759785372671, + "fos_buckling": 1.2284687250263682, + "fos_yielding": 9.816082747159093, + "deflection": 0.006205859882372531, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.266)" + }, + "parent_node_id": "node_3083", + "improvement_over_parent": null + }, + "node_3085": { + "node_id": "node_3085", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3084", + "improvement_over_parent": null + }, + "node_3086": { + "node_id": "node_3086", + "content": "INITIAL DESIGN (Trace 455)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0027)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0044)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0038)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0028)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0019)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0042)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0048)]\n\nPerformance:\n Mass: 220.89 kg\n Factor of Safety: 0.52\n Max Deflection: 1.84e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 220.88653285855804, + "fos_buckling": 0.5181094422030167, + "fos_yielding": 3.74182709858627, + "deflection": 0.018373627321235035, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3087": { + "node_id": "node_3087", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0035)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 276.89 kg\n Factor of Safety: 0.63\n Max Deflection: 1.47e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 276.88836372416233, + "fos_buckling": 0.6343892921234761, + "fos_yielding": 4.690779672813071, + "deflection": 0.0146918995434115, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.266)" + }, + "parent_node_id": "node_3086", + "improvement_over_parent": null + }, + "node_3088": { + "node_id": "node_3088", + "content": "MODIFICATION: Increase 0 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 290.06 kg\n Factor of Safety: 0.63\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 290.05540509586064, + "fos_buckling": 0.63385679687954, + "fos_yielding": 7.376895651601218, + "deflection": 0.012676028266267765, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.603)" + }, + "parent_node_id": "node_3087", + "improvement_over_parent": null + }, + "node_3089": { + "node_id": "node_3089", + "content": "MODIFICATION: Increase 5 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0056)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0049)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0035)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 291.09 kg\n Factor of Safety: 0.63\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 291.0873921466456, + "fos_buckling": 0.6338567968795401, + "fos_yielding": 7.376895651601219, + "deflection": 0.012623441507915011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.236)" + }, + "parent_node_id": "node_3088", + "improvement_over_parent": null + }, + "node_3090": { + "node_id": "node_3090", + "content": "MODIFICATION: Increase all_members thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 349.13 kg\n Factor of Safety: 0.74\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 349.12757059965577, + "fos_buckling": 0.7426858464685181, + "fos_yielding": 8.81562041936781, + "deflection": 0.010562744509684209, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.212)" + }, + "parent_node_id": "node_3089", + "improvement_over_parent": null + }, + "node_3091": { + "node_id": "node_3091", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 451.67 kg\n Factor of Safety: 0.92\n Max Deflection: 8.22e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.6703053701632, + "fos_buckling": 0.921094953931588, + "fos_yielding": 11.332100407615169, + "deflection": 0.008216397093269361, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_3090", + "improvement_over_parent": null + }, + "node_3092": { + "node_id": "node_3092", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 498.93 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.9314148396486, + "fos_buckling": 0.997437891364451, + "fos_yielding": 12.4811501232103, + "deflection": 0.007459677720902251, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.115)" + }, + "parent_node_id": "node_3091", + "improvement_over_parent": null + }, + "node_3093": { + "node_id": "node_3093", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.53 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5341793001515, + "fos_buckling": 1.5384044492527684, + "fos_yielding": 14.277497450587077, + "deflection": 0.0059513379035055596, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3092", + "improvement_over_parent": null + }, + "node_3094": { + "node_id": "node_3094", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3093", + "improvement_over_parent": null + }, + "node_3095": { + "node_id": "node_3095", + "content": "INITIAL DESIGN (Trace 456)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 444.48 kg\n Factor of Safety: 0.59\n Max Deflection: 1.11e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 444.47562131797133, + "fos_buckling": 0.5936533950594486, + "fos_yielding": 7.082406802649706, + "deflection": 0.011146437840311229, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3096": { + "node_id": "node_3096", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0079)]\n\nPerformance:\n Mass: 506.84 kg\n Factor of Safety: 1.29\n Max Deflection: 6.43e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 506.8379655446217, + "fos_buckling": 1.2922179678663364, + "fos_yielding": 14.164795654266156, + "deflection": 0.006428230944110799, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007895)" + }, + "parent_node_id": "node_3095", + "improvement_over_parent": null + }, + "node_3097": { + "node_id": "node_3097", + "content": "MODIFICATION: Increase 10 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0070)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 527.86 kg\n Factor of Safety: 1.46\n Max Deflection: 6.11e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 527.8648962313632, + "fos_buckling": 1.4563631782769728, + "fos_yielding": 15.01331496426563, + "deflection": 0.006107878428480893, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.370)" + }, + "parent_node_id": "node_3096", + "improvement_over_parent": null + }, + "node_3098": { + "node_id": "node_3098", + "content": "MODIFICATION: Increase 8 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.83 kg\n Factor of Safety: 1.38\n Max Deflection: 6.00e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.8333148640293, + "fos_buckling": 1.3793983309894133, + "fos_yielding": 14.464493713244428, + "deflection": 0.005995956966497415, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.364)" + }, + "parent_node_id": "node_3097", + "improvement_over_parent": null + }, + "node_3099": { + "node_id": "node_3099", + "content": "MODIFICATION: Increase 4 thickness by 37%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2436613081967, + "fos_buckling": 1.5376061935773588, + "fos_yielding": 14.270374658443796, + "deflection": 0.005954309129873362, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.366)" + }, + "parent_node_id": "node_3098", + "improvement_over_parent": null + }, + "node_3100": { + "node_id": "node_3100", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3099", + "improvement_over_parent": null + }, + "node_3101": { + "node_id": "node_3101", + "content": "INITIAL DESIGN (Trace 457)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 346.03 kg\n Factor of Safety: 0.86\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 346.03466489630915, + "fos_buckling": 0.8591480192929865, + "fos_yielding": 10.430661268599495, + "deflection": 0.01101263818997627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3102": { + "node_id": "node_3102", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0081)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0071)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n\nPerformance:\n Mass: 399.12 kg\n Factor of Safety: 0.86\n Max Deflection: 8.96e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 399.1238905921419, + "fos_buckling": 0.856259950624543, + "fos_yielding": 10.395598083531828, + "deflection": 0.008962178815554158, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007722)" + }, + "parent_node_id": "node_3101", + "improvement_over_parent": null + }, + "node_3103": { + "node_id": "node_3103", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 482.35 kg\n Factor of Safety: 1.00\n Max Deflection: 7.45e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.34852257113687, + "fos_buckling": 0.9983729397407681, + "fos_yielding": 12.498269506749022, + "deflection": 0.007454190820098835, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.229)" + }, + "parent_node_id": "node_3102", + "improvement_over_parent": null + }, + "node_3104": { + "node_id": "node_3104", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.48 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4811754637575, + "fos_buckling": 1.5381221070419482, + "fos_yielding": 14.27692722092729, + "deflection": 0.005951767510020347, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3103", + "improvement_over_parent": null + }, + "node_3105": { + "node_id": "node_3105", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3104", + "improvement_over_parent": null + }, + "node_3106": { + "node_id": "node_3106", + "content": "INITIAL DESIGN (Trace 458)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 389.77 kg\n Factor of Safety: 0.60\n Max Deflection: 1.26e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 389.76898704737846, + "fos_buckling": 0.5959819488948118, + "fos_yielding": 6.333914532405377, + "deflection": 0.012595629987251429, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3107": { + "node_id": "node_3107", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 437.37 kg\n Factor of Safety: 0.59\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 437.3717515078814, + "fos_buckling": 0.5941892449551115, + "fos_yielding": 5.05211707335509, + "deflection": 0.011805521512672364, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3106", + "improvement_over_parent": null + }, + "node_3108": { + "node_id": "node_3108", + "content": "MODIFICATION: Increase 8 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 453.83 kg\n Factor of Safety: 0.59\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.82929835650424, + "fos_buckling": 0.5935719655698425, + "fos_yielding": 5.142529365624356, + "deflection": 0.011574106748990612, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.222)" + }, + "parent_node_id": "node_3107", + "improvement_over_parent": null + }, + "node_3109": { + "node_id": "node_3109", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 537.22 kg\n Factor of Safety: 1.32\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 537.2245307898656, + "fos_buckling": 1.3240049080260727, + "fos_yielding": 10.439826542219395, + "deflection": 0.006082699757263625, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3108", + "improvement_over_parent": null + }, + "node_3110": { + "node_id": "node_3110", + "content": "MODIFICATION: Increase 5 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0089)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.45 kg\n Factor of Safety: 1.31\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.450146872241, + "fos_buckling": 1.3088771331083324, + "fos_yielding": 10.32054349035639, + "deflection": 0.006054768637246887, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.637)" + }, + "parent_node_id": "node_3109", + "improvement_over_parent": null + }, + "node_3111": { + "node_id": "node_3111", + "content": "MODIFICATION: Increase 9 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0089)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 552.88 kg\n Factor of Safety: 1.29\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 552.8750574855133, + "fos_buckling": 1.286942474912368, + "fos_yielding": 10.14758791788035, + "deflection": 0.0060187491987356324, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.247)" + }, + "parent_node_id": "node_3110", + "improvement_over_parent": null + }, + "node_3112": { + "node_id": "node_3112", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3111", + "improvement_over_parent": null + }, + "node_3113": { + "node_id": "node_3113", + "content": "INITIAL DESIGN (Trace 459)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3114": { + "node_id": "node_3114", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 336.20 kg\n Factor of Safety: 0.74\n Max Deflection: 1.30e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 336.2032437986517, + "fos_buckling": 0.7362756355198984, + "fos_yielding": 8.73179186732793, + "deflection": 0.012979509803596821, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006376)" + }, + "parent_node_id": "node_3113", + "improvement_over_parent": null + }, + "node_3115": { + "node_id": "node_3115", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n\nPerformance:\n Mass: 345.18 kg\n Factor of Safety: 0.74\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 345.1803626410401, + "fos_buckling": 0.735435783313774, + "fos_yielding": 8.7218317188327, + "deflection": 0.01068008824428689, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.004219)" + }, + "parent_node_id": "node_3114", + "improvement_over_parent": null + }, + "node_3116": { + "node_id": "node_3116", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n\nPerformance:\n Mass: 403.91 kg\n Factor of Safety: 0.84\n Max Deflection: 9.16e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.914247587144, + "fos_buckling": 0.8401612800651719, + "fos_yielding": 10.168423889858921, + "deflection": 0.009160206379577271, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.183)" + }, + "parent_node_id": "node_3115", + "improvement_over_parent": null + }, + "node_3117": { + "node_id": "node_3117", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.82 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.82072584024024, + "fos_buckling": 0.9972270829512869, + "fos_yielding": 12.483619191302022, + "deflection": 0.007460716642800824, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.258)" + }, + "parent_node_id": "node_3116", + "improvement_over_parent": null + }, + "node_3118": { + "node_id": "node_3118", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4234903007432, + "fos_buckling": 1.538001654067148, + "fos_yielding": 14.274486648913802, + "deflection": 0.005952460253090793, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3117", + "improvement_over_parent": null + }, + "node_3119": { + "node_id": "node_3119", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3118", + "improvement_over_parent": null + }, + "node_3120": { + "node_id": "node_3120", + "content": "INITIAL DESIGN (Trace 460)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n\nPerformance:\n Mass: 327.10 kg\n Factor of Safety: 0.54\n Max Deflection: 1.51e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 327.1032762851629, + "fos_buckling": 0.5445724837444409, + "fos_yielding": 6.383769721250107, + "deflection": 0.015073370213012876, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3121": { + "node_id": "node_3121", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 366.39 kg\n Factor of Safety: 0.60\n Max Deflection: 1.35e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 366.3935803349313, + "fos_buckling": 0.596547302885805, + "fos_yielding": 7.1160510366003376, + "deflection": 0.013484960245938754, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_3120", + "improvement_over_parent": null + }, + "node_3122": { + "node_id": "node_3122", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 430.53 kg\n Factor of Safety: 0.59\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.52623322755187, + "fos_buckling": 0.5941294810314709, + "fos_yielding": 7.0876451417456785, + "deflection": 0.01156836221212137, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3121", + "improvement_over_parent": null + }, + "node_3123": { + "node_id": "node_3123", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 513.92 kg\n Factor of Safety: 1.30\n Max Deflection: 6.44e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 513.9214656609133, + "fos_buckling": 1.3037874779637528, + "fos_yielding": 13.124958148814006, + "deflection": 0.006441827773686159, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3122", + "improvement_over_parent": null + }, + "node_3124": { + "node_id": "node_3124", + "content": "MODIFICATION: Increase 0 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 523.53 kg\n Factor of Safety: 1.27\n Max Deflection: 6.31e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 523.533225213953, + "fos_buckling": 1.2662148848117407, + "fos_yielding": 13.42920477496276, + "deflection": 0.006310055622938742, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.202)" + }, + "parent_node_id": "node_3123", + "improvement_over_parent": null + }, + "node_3125": { + "node_id": "node_3125", + "content": "MODIFICATION: Increase 7 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.12 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.1221188441339, + "fos_buckling": 1.5368800129102764, + "fos_yielding": 14.264834511469266, + "deflection": 0.005955789165426602, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.408)" + }, + "parent_node_id": "node_3124", + "improvement_over_parent": null + }, + "node_3126": { + "node_id": "node_3126", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3125", + "improvement_over_parent": null + }, + "node_3127": { + "node_id": "node_3127", + "content": "INITIAL DESIGN (Trace 461)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0076)]\n\nPerformance:\n Mass: 351.18 kg\n Factor of Safety: 0.76\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 351.1781081566338, + "fos_buckling": 0.7600858769772629, + "fos_yielding": 7.560734424839253, + "deflection": 0.010855641656273902, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3128": { + "node_id": "node_3128", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 403.41 kg\n Factor of Safety: 0.85\n Max Deflection: 9.48e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 403.40795384751783, + "fos_buckling": 0.8541693030874341, + "fos_yielding": 8.671036701767205, + "deflection": 0.00947702289619369, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_3127", + "improvement_over_parent": null + }, + "node_3129": { + "node_id": "node_3129", + "content": "MODIFICATION: Increase 0 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 411.78 kg\n Factor of Safety: 0.85\n Max Deflection: 8.99e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.78007453840667, + "fos_buckling": 0.853716859628846, + "fos_yielding": 10.363988989103332, + "deflection": 0.008989208037818172, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.211)" + }, + "parent_node_id": "node_3128", + "improvement_over_parent": null + }, + "node_3130": { + "node_id": "node_3130", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0077)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n\nPerformance:\n Mass: 451.10 kg\n Factor of Safety: 1.32\n Max Deflection: 7.17e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.09657032069214, + "fos_buckling": 1.3171166320881165, + "fos_yielding": 11.758958026092245, + "deflection": 0.007169135131929227, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.007047)" + }, + "parent_node_id": "node_3129", + "improvement_over_parent": null + }, + "node_3131": { + "node_id": "node_3131", + "content": "MODIFICATION: Increase all_members thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.39 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.39472503749, + "fos_buckling": 1.5378648155300338, + "fos_yielding": 14.272317531895165, + "deflection": 0.0059528124720481185, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.232)" + }, + "parent_node_id": "node_3130", + "improvement_over_parent": null + }, + "node_3132": { + "node_id": "node_3132", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3131", + "improvement_over_parent": null + }, + "node_3133": { + "node_id": "node_3133", + "content": "INITIAL DESIGN (Trace 462)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3134": { + "node_id": "node_3134", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 383.57 kg\n Factor of Safety: 0.86\n Max Deflection: 1.41e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.57327931200234, + "fos_buckling": 0.8605840972167998, + "fos_yielding": 7.235785907429723, + "deflection": 14054016794748.281, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3133", + "improvement_over_parent": null + }, + "node_3135": { + "node_id": "node_3135", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 447.71 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 447.70593220462297, + "fos_buckling": 0.5936569687784031, + "fos_yielding": 7.082044824382767, + "deflection": 0.011021495032744723, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3134", + "improvement_over_parent": null + }, + "node_3136": { + "node_id": "node_3136", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0073)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 531.10 kg\n Factor of Safety: 1.52\n Max Deflection: 6.22e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 531.1011646379844, + "fos_buckling": 1.5242819705307094, + "fos_yielding": 13.605135290971424, + "deflection": 0.006218851335257316, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3135", + "improvement_over_parent": null + }, + "node_3137": { + "node_id": "node_3137", + "content": "MODIFICATION: Increase 1 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.30 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2953047029903, + "fos_buckling": 1.5375901580177251, + "fos_yielding": 14.270474250817545, + "deflection": 0.005953810815152799, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.357)" + }, + "parent_node_id": "node_3136", + "improvement_over_parent": null + }, + "node_3138": { + "node_id": "node_3138", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3137", + "improvement_over_parent": null + }, + "node_3139": { + "node_id": "node_3139", + "content": "INITIAL DESIGN (Trace 463)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0088)]\n\nPerformance:\n Mass: 352.91 kg\n Factor of Safety: 0.60\n Max Deflection: 1.32e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 352.91344347527337, + "fos_buckling": 0.5971963974977634, + "fos_yielding": 7.124033808604755, + "deflection": 0.013238557708605804, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3140": { + "node_id": "node_3140", + "content": "MODIFICATION: Increase 8 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 367.51 kg\n Factor of Safety: 0.60\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 367.51460940419224, + "fos_buckling": 0.5966431265536173, + "fos_yielding": 7.1175338801570485, + "deflection": 0.012724174024312968, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.233)" + }, + "parent_node_id": "node_3139", + "improvement_over_parent": null + }, + "node_3141": { + "node_id": "node_3141", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 431.65 kg\n Factor of Safety: 0.59\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 431.64726229681287, + "fos_buckling": 0.594225087360251, + "fos_yielding": 7.089124166530306, + "deflection": 0.011433156659395401, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3140", + "improvement_over_parent": null + }, + "node_3142": { + "node_id": "node_3142", + "content": "MODIFICATION: Increase 3 thickness by 40%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 442.59 kg\n Factor of Safety: 0.59\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 442.5936079955429, + "fos_buckling": 0.5938143262494916, + "fos_yielding": 7.084297758066795, + "deflection": 0.011321141120470215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.403)" + }, + "parent_node_id": "node_3141", + "improvement_over_parent": null + }, + "node_3143": { + "node_id": "node_3143", + "content": "MODIFICATION: Increase 3 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 449.92 kg\n Factor of Safety: 0.59\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 449.92278018828995, + "fos_buckling": 0.5935396166637952, + "fos_yielding": 7.081069887311718, + "deflection": 0.011270497126958677, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.200)" + }, + "parent_node_id": "node_3142", + "improvement_over_parent": null + }, + "node_3144": { + "node_id": "node_3144", + "content": "MODIFICATION: Increase 1 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 462.85 kg\n Factor of Safety: 0.59\n Max Deflection: 1.10e-02 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 462.8489795017763, + "fos_buckling": 0.5930557401092839, + "fos_yielding": 7.0753841697922555, + "deflection": 0.011030565113058475, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.290)" + }, + "parent_node_id": "node_3143", + "improvement_over_parent": null + }, + "node_3145": { + "node_id": "node_3145", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2442119351377, + "fos_buckling": 1.537671504654149, + "fos_yielding": 14.270248237506241, + "deflection": 0.005954372160313259, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3144", + "improvement_over_parent": null + }, + "node_3146": { + "node_id": "node_3146", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3145", + "improvement_over_parent": null + }, + "node_3147": { + "node_id": "node_3147", + "content": "INITIAL DESIGN (Trace 464)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 350.73 kg\n Factor of Safety: 0.81\n Max Deflection: 1.02e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 350.73278331882625, + "fos_buckling": 0.8097697996944389, + "fos_yielding": 9.73796698536667, + "deflection": 0.01015677161865543, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3148": { + "node_id": "node_3148", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 400.32 kg\n Factor of Safety: 0.95\n Max Deflection: 8.26e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 400.3156404522784, + "fos_buckling": 0.9510765419738021, + "fos_yielding": 10.149597046920974, + "deflection": 0.008264681854809903, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007175)" + }, + "parent_node_id": "node_3147", + "improvement_over_parent": null + }, + "node_3149": { + "node_id": "node_3149", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0070)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 518.56 kg\n Factor of Safety: 1.20\n Max Deflection: 6.42e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 518.5642129294218, + "fos_buckling": 1.1978310935429826, + "fos_yielding": 13.188705139705807, + "deflection": 0.006420630526648177, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.323)" + }, + "parent_node_id": "node_3148", + "improvement_over_parent": null + }, + "node_3150": { + "node_id": "node_3150", + "content": "MODIFICATION: Increase 7 thickness by 56%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.61 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6102463766042, + "fos_buckling": 1.5384016820291446, + "fos_yielding": 14.278641601084912, + "deflection": 0.00595052679395652, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.555)" + }, + "parent_node_id": "node_3149", + "improvement_over_parent": null + }, + "node_3151": { + "node_id": "node_3151", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3150", + "improvement_over_parent": null + }, + "node_3152": { + "node_id": "node_3152", + "content": "INITIAL DESIGN (Trace 465)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0040)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 406.36 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 406.359900154818, + "fos_buckling": 0.807149737425646, + "fos_yielding": 9.687785274250297, + "deflection": 0.011829957225876937, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3153": { + "node_id": "node_3153", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 454.86 kg\n Factor of Safety: 0.89\n Max Deflection: 1.06e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.86468354018854, + "fos_buckling": 0.8879297750756391, + "fos_yielding": 10.827618757959184, + "deflection": 0.010584606640644473, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.129)" + }, + "parent_node_id": "node_3152", + "improvement_over_parent": null + }, + "node_3154": { + "node_id": "node_3154", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n\nPerformance:\n Mass: 465.92 kg\n Factor of Safety: 1.35\n Max Deflection: 6.95e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.9201071873657, + "fos_buckling": 1.3527926599451316, + "fos_yielding": 12.144026719815528, + "deflection": 0.006947396797727121, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005274)" + }, + "parent_node_id": "node_3153", + "improvement_over_parent": null + }, + "node_3155": { + "node_id": "node_3155", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5083998181342, + "fos_buckling": 1.538178911361417, + "fos_yielding": 14.269306575103549, + "deflection": 0.005951729627194189, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.190)" + }, + "parent_node_id": "node_3154", + "improvement_over_parent": null + }, + "node_3156": { + "node_id": "node_3156", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3155", + "improvement_over_parent": null + }, + "node_3157": { + "node_id": "node_3157", + "content": "INITIAL DESIGN (Trace 466)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 421.57 kg\n Factor of Safety: 1.01\n Max Deflection: 3.55e+12 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.57463709237834, + "fos_buckling": 1.0147474008679251, + "fos_yielding": 12.131199047486744, + "deflection": 3554593809282.702, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3158": { + "node_id": "node_3158", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 485.71 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.70728998499897, + "fos_buckling": 0.9986274669090988, + "fos_yielding": 12.500491663115488, + "deflection": 0.009022484470338458, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3157", + "improvement_over_parent": null + }, + "node_3159": { + "node_id": "node_3159", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 498.68 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.6768094945538, + "fos_buckling": 0.9969974535352056, + "fos_yielding": 12.480087689395244, + "deflection": 0.00746283343663449, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3158", + "improvement_over_parent": null + }, + "node_3160": { + "node_id": "node_3160", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2795739550568, + "fos_buckling": 1.5376986580449532, + "fos_yielding": 14.270214927327238, + "deflection": 0.0059540283590262385, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3159", + "improvement_over_parent": null + }, + "node_3161": { + "node_id": "node_3161", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3160", + "improvement_over_parent": null + }, + "node_3162": { + "node_id": "node_3162", + "content": "INITIAL DESIGN (Trace 467)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 410.89 kg\n Factor of Safety: 1.00\n Max Deflection: 9.16e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.89312694798986, + "fos_buckling": 1.002535404024899, + "fos_yielding": 12.549409940405855, + "deflection": 0.00915760376463251, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3163": { + "node_id": "node_3163", + "content": "MODIFICATION: Increase 3 thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 418.01 kg\n Factor of Safety: 1.00\n Max Deflection: 9.16e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 418.0064364844688, + "fos_buckling": 1.002084363628054, + "fos_yielding": 12.543763964396458, + "deflection": 0.009161714272913743, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.193)" + }, + "parent_node_id": "node_3162", + "improvement_over_parent": null + }, + "node_3164": { + "node_id": "node_3164", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 482.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.13908937708936, + "fos_buckling": 0.998036093651844, + "fos_yielding": 12.493089046306848, + "deflection": 0.007457276917050285, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3163", + "improvement_over_parent": null + }, + "node_3165": { + "node_id": "node_3165", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.27174226971, + "fos_buckling": 1.5376821545766828, + "fos_yielding": 14.27010815246014, + "deflection": 0.005954087182694115, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3164", + "improvement_over_parent": null + }, + "node_3166": { + "node_id": "node_3166", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3165", + "improvement_over_parent": null + }, + "node_3167": { + "node_id": "node_3167", + "content": "INITIAL DESIGN (Trace 468)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n\nPerformance:\n Mass: 387.35 kg\n Factor of Safety: 0.90\n Max Deflection: 8.36e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 387.34805142707825, + "fos_buckling": 0.8964669835194738, + "fos_yielding": 9.217429786867736, + "deflection": 0.008364940908612698, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3168": { + "node_id": "node_3168", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0080)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0051)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0044)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 445.28 kg\n Factor of Safety: 1.01\n Max Deflection: 7.30e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.2829578937309, + "fos_buckling": 1.0143440837746578, + "fos_yielding": 10.547565597486566, + "deflection": 0.007302114062943385, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.161)" + }, + "parent_node_id": "node_3167", + "improvement_over_parent": null + }, + "node_3169": { + "node_id": "node_3169", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 542.25 kg\n Factor of Safety: 1.20\n Max Deflection: 6.03e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 542.2498367113428, + "fos_buckling": 1.2028016065933813, + "fos_yielding": 12.752011452487578, + "deflection": 0.006031338614054766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.239)" + }, + "parent_node_id": "node_3168", + "improvement_over_parent": null + }, + "node_3170": { + "node_id": "node_3170", + "content": "MODIFICATION: Increase 4 thickness by 65%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.84 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8353382904951, + "fos_buckling": 1.5367147152953826, + "fos_yielding": 14.258033623949025, + "deflection": 0.005958711229288647, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.650)" + }, + "parent_node_id": "node_3169", + "improvement_over_parent": null + }, + "node_3171": { + "node_id": "node_3171", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3170", + "improvement_over_parent": null + }, + "node_3172": { + "node_id": "node_3172", + "content": "INITIAL DESIGN (Trace 469)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0040)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0022)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0022)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0040)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 258.38 kg\n Factor of Safety: 0.67\n Max Deflection: 1.28e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 258.37585685427894, + "fos_buckling": 0.6721297562138101, + "fos_yielding": 5.070446470278061, + "deflection": 0.01278516506343929, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3173": { + "node_id": "node_3173", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0054)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0029)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0034)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0053)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0060)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 338.20 kg\n Factor of Safety: 0.87\n Max Deflection: 9.81e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 338.2012139240332, + "fos_buckling": 0.8678434826199284, + "fos_yielding": 6.670189243521571, + "deflection": 0.009808587046568618, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.326)" + }, + "parent_node_id": "node_3172", + "improvement_over_parent": null + }, + "node_3174": { + "node_id": "node_3174", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0078)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 430.82 kg\n Factor of Safety: 1.09\n Max Deflection: 7.74e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 430.81572974582775, + "fos_buckling": 1.087694374845313, + "fos_yielding": 8.548245856119816, + "deflection": 0.007737150236945658, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.294)" + }, + "parent_node_id": "node_3173", + "improvement_over_parent": null + }, + "node_3175": { + "node_id": "node_3175", + "content": "MODIFICATION: Increase all_members thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 515.60 kg\n Factor of Safety: 1.28\n Max Deflection: 6.49e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 515.6037098696995, + "fos_buckling": 1.2820731055504888, + "fos_yielding": 10.28996823123555, + "deflection": 0.006493016577198376, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.215)" + }, + "parent_node_id": "node_3174", + "improvement_over_parent": null + }, + "node_3176": { + "node_id": "node_3176", + "content": "MODIFICATION: Increase 4 thickness by 21%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 517.13 kg\n Factor of Safety: 1.27\n Max Deflection: 6.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 517.1268440541867, + "fos_buckling": 1.2727785937086111, + "fos_yielding": 10.215370120438507, + "deflection": 0.006464383809045454, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.206)" + }, + "parent_node_id": "node_3175", + "improvement_over_parent": null + }, + "node_3177": { + "node_id": "node_3177", + "content": "MODIFICATION: Increase 7 thickness by 30%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 534.80 kg\n Factor of Safety: 1.33\n Max Deflection: 6.21e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.8001795882269, + "fos_buckling": 1.3277810131132186, + "fos_yielding": 10.656821661590282, + "deflection": 0.006207018127588627, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.295)" + }, + "parent_node_id": "node_3176", + "improvement_over_parent": null + }, + "node_3178": { + "node_id": "node_3178", + "content": "MODIFICATION: Increase 0 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.35 kg\n Factor of Safety: 1.36\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.3498083668618, + "fos_buckling": 1.361414339384922, + "fos_yielding": 10.926764036442618, + "deflection": 0.006067365099303711, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.176)" + }, + "parent_node_id": "node_3177", + "improvement_over_parent": null + }, + "node_3179": { + "node_id": "node_3179", + "content": "MODIFICATION: Increase 5 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.79 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7860712801856, + "fos_buckling": 1.5386454782362688, + "fos_yielding": 14.282730955524196, + "deflection": 0.005948900299510036, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.395)" + }, + "parent_node_id": "node_3178", + "improvement_over_parent": null + }, + "node_3180": { + "node_id": "node_3180", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3179", + "improvement_over_parent": null + }, + "node_3181": { + "node_id": "node_3181", + "content": "INITIAL DESIGN (Trace 470)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0041)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n\nPerformance:\n Mass: 237.42 kg\n Factor of Safety: 0.12\n Max Deflection: 7.93e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 237.41574634218034, + "fos_buckling": 0.1151517107221689, + "fos_yielding": 0.9044732384287156, + "deflection": 79303152518003.58, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3182": { + "node_id": "node_3182", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 270.30 kg\n Factor of Safety: 0.11\n Max Deflection: 1.36e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 270.2982087655957, + "fos_buckling": 0.11297987210659145, + "fos_yielding": 1.212371753577004, + "deflection": 136258145890669.89, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.147)" + }, + "parent_node_id": "node_3181", + "improvement_over_parent": null + }, + "node_3183": { + "node_id": "node_3183", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0073)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n\nPerformance:\n Mass: 314.77 kg\n Factor of Safety: 0.36\n Max Deflection: 1.67e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 314.7682318655283, + "fos_buckling": 0.36288643723864206, + "fos_yielding": 4.979557813337085, + "deflection": 0.01666906894829065, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.006388)" + }, + "parent_node_id": "node_3182", + "improvement_over_parent": null + }, + "node_3184": { + "node_id": "node_3184", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n\nPerformance:\n Mass: 363.46 kg\n Factor of Safety: 0.41\n Max Deflection: 1.45e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 363.4608230999536, + "fos_buckling": 0.41237523173396773, + "fos_yielding": 5.72279480820028, + "deflection": 0.014472229992911242, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.166)" + }, + "parent_node_id": "node_3183", + "improvement_over_parent": null + }, + "node_3185": { + "node_id": "node_3185", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 454.32 kg\n Factor of Safety: 0.50\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 454.32278057050087, + "fos_buckling": 0.5000328759403664, + "fos_yielding": 7.090936939002632, + "deflection": 0.01163150448685036, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.274)" + }, + "parent_node_id": "node_3184", + "improvement_over_parent": null + }, + "node_3186": { + "node_id": "node_3186", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 537.72 kg\n Factor of Safety: 1.48\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 537.7180130038623, + "fos_buckling": 1.4770296642977432, + "fos_yielding": 14.629522634054227, + "deflection": 0.006021097040278331, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3185", + "improvement_over_parent": null + }, + "node_3187": { + "node_id": "node_3187", + "content": "MODIFICATION: Increase 3 thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.49 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4862349286194, + "fos_buckling": 1.5376164695713304, + "fos_yielding": 14.278470831250688, + "deflection": 0.00595171000871301, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.248)" + }, + "parent_node_id": "node_3186", + "improvement_over_parent": null + }, + "node_3188": { + "node_id": "node_3188", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3187", + "improvement_over_parent": null + }, + "node_3189": { + "node_id": "node_3189", + "content": "INITIAL DESIGN (Trace 471)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0047)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 423.49 kg\n Factor of Safety: 0.93\n Max Deflection: 8.38e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 423.4933086574057, + "fos_buckling": 0.92709424366924, + "fos_yielding": 12.539412393706348, + "deflection": 0.008377746440814847, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3190": { + "node_id": "node_3190", + "content": "MODIFICATION: Increase 3 thickness by 48%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0064)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 435.66 kg\n Factor of Safety: 1.00\n Max Deflection: 8.13e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 435.6599156960441, + "fos_buckling": 1.0009667441194046, + "fos_yielding": 12.529773969314864, + "deflection": 0.008134099278736644, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.484)" + }, + "parent_node_id": "node_3189", + "improvement_over_parent": null + }, + "node_3191": { + "node_id": "node_3191", + "content": "MODIFICATION: Increase 1 thickness by 55%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0084)]\n\nPerformance:\n Mass: 456.32 kg\n Factor of Safety: 1.00\n Max Deflection: 7.78e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 456.31870439616387, + "fos_buckling": 0.9996620238011114, + "fos_yielding": 12.51344190755814, + "deflection": 0.007781344980920988, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.550)" + }, + "parent_node_id": "node_3190", + "improvement_over_parent": null + }, + "node_3192": { + "node_id": "node_3192", + "content": "MODIFICATION: Increase 9 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0070)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 473.69 kg\n Factor of Safety: 1.00\n Max Deflection: 7.53e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.69292479279267, + "fos_buckling": 0.9985673729441202, + "fos_yielding": 12.49973942653768, + "deflection": 0.007531233610127897, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.289)" + }, + "parent_node_id": "node_3191", + "improvement_over_parent": null + }, + "node_3193": { + "node_id": "node_3193", + "content": "MODIFICATION: Increase 3 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 482.09 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.0851342903432, + "fos_buckling": 0.9980394857319179, + "fos_yielding": 12.493131507254594, + "deflection": 0.007458030546046767, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.235)" + }, + "parent_node_id": "node_3192", + "improvement_over_parent": null + }, + "node_3194": { + "node_id": "node_3194", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2177871829638, + "fos_buckling": 1.5375949125750326, + "fos_yielding": 14.26732873289787, + "deflection": 0.005954888331099189, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3193", + "improvement_over_parent": null + }, + "node_3195": { + "node_id": "node_3195", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3194", + "improvement_over_parent": null + }, + "node_3196": { + "node_id": "node_3196", + "content": "INITIAL DESIGN (Trace 472)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3197": { + "node_id": "node_3197", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n\nPerformance:\n Mass: 355.60 kg\n Factor of Safety: 0.75\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.5974850240482, + "fos_buckling": 0.7513519311406072, + "fos_yielding": 9.474956150734087, + "deflection": 0.011375291285497519, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007214)" + }, + "parent_node_id": "node_3196", + "improvement_over_parent": null + }, + "node_3198": { + "node_id": "node_3198", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0082)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0052)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0072)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0079)]\n\nPerformance:\n Mass: 409.73 kg\n Factor of Safety: 0.75\n Max Deflection: 9.35e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 409.73042528345815, + "fos_buckling": 0.7487782815945061, + "fos_yielding": 9.442501031387225, + "deflection": 0.009351212787143225, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007886)" + }, + "parent_node_id": "node_3197", + "improvement_over_parent": null + }, + "node_3199": { + "node_id": "node_3199", + "content": "MODIFICATION: Increase all_members thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 485.65 kg\n Factor of Safety: 0.87\n Max Deflection: 7.92e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.6512375696566, + "fos_buckling": 0.8651664968013231, + "fos_yielding": 11.16564009960382, + "deflection": 0.007921203261607678, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.203)" + }, + "parent_node_id": "node_3198", + "improvement_over_parent": null + }, + "node_3200": { + "node_id": "node_3200", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.25 kg\n Factor of Safety: 1.39\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2540020301595, + "fos_buckling": 1.385161348143386, + "fos_yielding": 13.826930544888585, + "deflection": 0.006136593086605508, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3199", + "improvement_over_parent": null + }, + "node_3201": { + "node_id": "node_3201", + "content": "MODIFICATION: Increase 7 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0130)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 548.48 kg\n Factor of Safety: 1.39\n Max Deflection: 5.97e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 548.4794155619569, + "fos_buckling": 1.386540401591934, + "fos_yielding": 14.219813756172176, + "deflection": 0.005974284495257912, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.205)" + }, + "parent_node_id": "node_3200", + "improvement_over_parent": null + }, + "node_3202": { + "node_id": "node_3202", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3201", + "improvement_over_parent": null + }, + "node_3203": { + "node_id": "node_3203", + "content": "INITIAL DESIGN (Trace 473)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3204": { + "node_id": "node_3204", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 463.75 kg\n Factor of Safety: 1.00\n Max Deflection: 7.77e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.7505362668786, + "fos_buckling": 0.9991934927305837, + "fos_yielding": 12.50757698902233, + "deflection": 0.007771476566805285, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3203", + "improvement_over_parent": null + }, + "node_3205": { + "node_id": "node_3205", + "content": "MODIFICATION: Increase 0 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 482.15 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.14621019927563, + "fos_buckling": 0.9980356459775361, + "fos_yielding": 12.493083442466439, + "deflection": 0.007457276951446059, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.464)" + }, + "parent_node_id": "node_3204", + "improvement_over_parent": null + }, + "node_3206": { + "node_id": "node_3206", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2788630918963, + "fos_buckling": 1.5377018738367698, + "fos_yielding": 14.269851179937117, + "deflection": 0.005954042660423153, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3205", + "improvement_over_parent": null + }, + "node_3207": { + "node_id": "node_3207", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3206", + "improvement_over_parent": null + }, + "node_3208": { + "node_id": "node_3208", + "content": "INITIAL DESIGN (Trace 474)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0064)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 251.18 kg\n Factor of Safety: 0.55\n Max Deflection: 3.44e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 251.1794545760549, + "fos_buckling": 0.5530801401175961, + "fos_yielding": 6.3111446750225095, + "deflection": 34415209995973.605, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3209": { + "node_id": "node_3209", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 280.27 kg\n Factor of Safety: 0.35\n Max Deflection: 4.22e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 280.2715567396196, + "fos_buckling": 0.35370052848047295, + "fos_yielding": 3.842599884495889, + "deflection": 42159971814383.5, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.124)" + }, + "parent_node_id": "node_3208", + "improvement_over_parent": null + }, + "node_3210": { + "node_id": "node_3210", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 344.48 kg\n Factor of Safety: 0.81\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 344.47671033487984, + "fos_buckling": 0.8073114495997259, + "fos_yielding": 9.706382844350546, + "deflection": 0.01187619862766017, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008145)" + }, + "parent_node_id": "node_3209", + "improvement_over_parent": null + }, + "node_3211": { + "node_id": "node_3211", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 381.12 kg\n Factor of Safety: 0.81\n Max Deflection: 9.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.12371172805797, + "fos_buckling": 0.8054356885383329, + "fos_yielding": 9.683830389538425, + "deflection": 0.009669137785300387, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.006534)" + }, + "parent_node_id": "node_3210", + "improvement_over_parent": null + }, + "node_3212": { + "node_id": "node_3212", + "content": "MODIFICATION: Increase 4 thickness by 44%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0033)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0059)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 384.06 kg\n Factor of Safety: 0.81\n Max Deflection: 9.62e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.0551126351109, + "fos_buckling": 0.8054356885383329, + "fos_yielding": 9.683830389538427, + "deflection": 0.009618503532601437, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.437)" + }, + "parent_node_id": "node_3211", + "improvement_over_parent": null + }, + "node_3213": { + "node_id": "node_3213", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0078)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 498.74 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 498.74309464431985, + "fos_buckling": 0.9973952693258334, + "fos_yielding": 12.489171005551139, + "deflection": 0.007456227783695009, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_3212", + "improvement_over_parent": null + }, + "node_3214": { + "node_id": "node_3214", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0078)]\n M5: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.35 kg\n Factor of Safety: 1.32\n Max Deflection: 6.05e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.3458591048228, + "fos_buckling": 1.3194771216043617, + "fos_yielding": 10.55347413615829, + "deflection": 0.006050183291653853, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3213", + "improvement_over_parent": null + }, + "node_3215": { + "node_id": "node_3215", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3214", + "improvement_over_parent": null + }, + "node_3216": { + "node_id": "node_3216", + "content": "INITIAL DESIGN (Trace 475)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 250.78 kg\n Factor of Safety: 0.46\n Max Deflection: 1.92e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 250.7765661899887, + "fos_buckling": 0.4606578779515211, + "fos_yielding": 3.6178929537148625, + "deflection": 19224247298641.766, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3217": { + "node_id": "node_3217", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0058)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0056)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n\nPerformance:\n Mass: 301.54 kg\n Factor of Safety: 0.66\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.5403113371786, + "fos_buckling": 0.6576604787550983, + "fos_yielding": 7.6893088468592605, + "deflection": 0.012227080604348694, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.006346)" + }, + "parent_node_id": "node_3216", + "improvement_over_parent": null + }, + "node_3218": { + "node_id": "node_3218", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0023)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 339.88 kg\n Factor of Safety: 0.73\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 339.88456993237276, + "fos_buckling": 0.7298322015738163, + "fos_yielding": 8.645828728708072, + "deflection": 0.010873545900672958, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.135)" + }, + "parent_node_id": "node_3217", + "improvement_over_parent": null + }, + "node_3219": { + "node_id": "node_3219", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 383.04 kg\n Factor of Safety: 0.81\n Max Deflection: 9.67e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 383.038657466233, + "fos_buckling": 0.8080407906495386, + "fos_yielding": 9.716724056464646, + "deflection": 0.009674323556360024, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_3218", + "improvement_over_parent": null + }, + "node_3220": { + "node_id": "node_3220", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 419.83 kg\n Factor of Safety: 1.01\n Max Deflection: 7.72e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 419.8269126458503, + "fos_buckling": 1.0147880664342386, + "fos_yielding": 10.556791187974774, + "deflection": 0.007723162875043422, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006561)" + }, + "parent_node_id": "node_3219", + "improvement_over_parent": null + }, + "node_3221": { + "node_id": "node_3221", + "content": "MODIFICATION: Increase 6 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0110)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n\nPerformance:\n Mass: 443.74 kg\n Factor of Safety: 1.02\n Max Deflection: 7.55e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 443.74228868324843, + "fos_buckling": 1.018379106142221, + "fos_yielding": 10.59414860042258, + "deflection": 0.007546961969037927, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.538)" + }, + "parent_node_id": "node_3220", + "improvement_over_parent": null + }, + "node_3222": { + "node_id": "node_3222", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0030)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0124)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 494.62 kg\n Factor of Safety: 1.12\n Max Deflection: 6.79e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 494.61538883550566, + "fos_buckling": 1.1196921959333341, + "fos_yielding": 11.7674798880976, + "deflection": 0.006787716491056735, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_3221", + "improvement_over_parent": null + }, + "node_3223": { + "node_id": "node_3223", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0146)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 573.11 kg\n Factor of Safety: 1.27\n Max Deflection: 5.88e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 573.1087898292598, + "fos_buckling": 1.2701754968618333, + "fos_yielding": 13.566030012711717, + "deflection": 0.005880394744737681, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.176)" + }, + "parent_node_id": "node_3222", + "improvement_over_parent": null + }, + "node_3224": { + "node_id": "node_3224", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3223", + "improvement_over_parent": null + }, + "node_3225": { + "node_id": "node_3225", + "content": "INITIAL DESIGN (Trace 476)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3226": { + "node_id": "node_3226", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 334.25 kg\n Factor of Safety: 0.43\n Max Deflection: 2.35e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.24887204379013, + "fos_buckling": 0.4302920486083999, + "fos_yielding": 3.6178929537148616, + "deflection": 23485922282735.75, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3225", + "improvement_over_parent": null + }, + "node_3227": { + "node_id": "node_3227", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 381.85 kg\n Factor of Safety: 0.86\n Max Deflection: 2.68e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 381.8516365042931, + "fos_buckling": 0.8565209360150806, + "fos_yielding": 3.6178929537148616, + "deflection": 26823070338018.207, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3226", + "improvement_over_parent": null + }, + "node_3228": { + "node_id": "node_3228", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 465.25 kg\n Factor of Safety: 1.00\n Max Deflection: 7.69e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 465.24686893765454, + "fos_buckling": 0.9990698834921462, + "fos_yielding": 12.506396805114699, + "deflection": 0.007685905708812008, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3227", + "improvement_over_parent": null + }, + "node_3229": { + "node_id": "node_3229", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 529.38 kg\n Factor of Safety: 1.34\n Max Deflection: 6.20e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.3795218302752, + "fos_buckling": 1.3384197858281484, + "fos_yielding": 13.675822674259477, + "deflection": 0.006201229695145584, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3228", + "improvement_over_parent": null + }, + "node_3230": { + "node_id": "node_3230", + "content": "MODIFICATION: Increase 10 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M3: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0121)]\n\nPerformance:\n Mass: 545.19 kg\n Factor of Safety: 1.33\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 545.1920628972384, + "fos_buckling": 1.334934489609472, + "fos_yielding": 13.348682097717695, + "deflection": 0.00612288994080541, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.279)" + }, + "parent_node_id": "node_3229", + "improvement_over_parent": null + }, + "node_3231": { + "node_id": "node_3231", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3230", + "improvement_over_parent": null + }, + "node_3232": { + "node_id": "node_3232", + "content": "INITIAL DESIGN (Trace 477)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 329.56 kg\n Factor of Safety: 0.22\n Max Deflection: 5.72e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.55841454282324, + "fos_buckling": 0.21514602430419996, + "fos_yielding": 1.8089464768574308, + "deflection": 57182620302581.45, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3233": { + "node_id": "node_3233", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0062)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 377.16 kg\n Factor of Safety: 0.60\n Max Deflection: 1.33e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 377.1611790033262, + "fos_buckling": 0.5963125995721478, + "fos_yielding": 7.113243974585046, + "deflection": 0.013294677462994158, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3232", + "improvement_over_parent": null + }, + "node_3234": { + "node_id": "node_3234", + "content": "MODIFICATION: Increase 0 thickness by 59%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.74 kg\n Factor of Safety: 0.60\n Max Deflection: 1.22e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.7356385712993, + "fos_buckling": 0.5954979185854433, + "fos_yielding": 7.10367300102497, + "deflection": 0.012199801495263179, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.587)" + }, + "parent_node_id": "node_3233", + "improvement_over_parent": null + }, + "node_3235": { + "node_id": "node_3235", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 470.14 kg\n Factor of Safety: 1.00\n Max Deflection: 7.61e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 470.1443250471824, + "fos_buckling": 0.9987907551791924, + "fos_yielding": 12.499891450755111, + "deflection": 0.007611016105403729, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009133)" + }, + "parent_node_id": "node_3234", + "improvement_over_parent": null + }, + "node_3236": { + "node_id": "node_3236", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 534.28 kg\n Factor of Safety: 1.40\n Max Deflection: 6.12e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.276977939803, + "fos_buckling": 1.3982308693517727, + "fos_yielding": 13.865265092706009, + "deflection": 0.006120118926803084, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3235", + "improvement_over_parent": null + }, + "node_3237": { + "node_id": "node_3237", + "content": "MODIFICATION: Increase 10 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0112)]\n\nPerformance:\n Mass: 544.86 kg\n Factor of Safety: 1.40\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 544.8633841039938, + "fos_buckling": 1.395698898027102, + "fos_yielding": 13.625571751304117, + "deflection": 0.006064403435947215, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.185)" + }, + "parent_node_id": "node_3236", + "improvement_over_parent": null + }, + "node_3238": { + "node_id": "node_3238", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3237", + "improvement_over_parent": null + }, + "node_3239": { + "node_id": "node_3239", + "content": "INITIAL DESIGN (Trace 478)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 334.33 kg\n Factor of Safety: 0.08\n Max Deflection: 1.03e+14 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 334.3295256101119, + "fos_buckling": 0.08418886843931432, + "fos_yielding": 0.8684495572162588, + "deflection": 102935822798039.23, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3240": { + "node_id": "node_3240", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 386.06 kg\n Factor of Safety: 0.31\n Max Deflection: 1.39e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.0615420500956, + "fos_buckling": 0.31238272999147665, + "fos_yielding": 3.276465131098752, + "deflection": 139004401246835.42, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_3239", + "improvement_over_parent": null + }, + "node_3241": { + "node_id": "node_3241", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 469.46 kg\n Factor of Safety: 1.00\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.4567744834571, + "fos_buckling": 1.000256085601827, + "fos_yielding": 12.52254252494279, + "deflection": 0.009045271590293233, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3240", + "improvement_over_parent": null + }, + "node_3242": { + "node_id": "node_3242", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 533.59 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.5894273760777, + "fos_buckling": 1.0117108645758475, + "fos_yielding": 12.671824215824287, + "deflection": 0.009045294172546285, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3241", + "improvement_over_parent": null + }, + "node_3243": { + "node_id": "node_3243", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.56 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5589468856325, + "fos_buckling": 1.5378178443135817, + "fos_yielding": 14.270937509588862, + "deflection": 0.005951119468066571, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3242", + "improvement_over_parent": null + }, + "node_3244": { + "node_id": "node_3244", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3243", + "improvement_over_parent": null + }, + "node_3245": { + "node_id": "node_3245", + "content": "INITIAL DESIGN (Trace 479)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0038)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0021)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0024)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0036)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n\nPerformance:\n Mass: 179.58 kg\n Factor of Safety: 0.18\n Max Deflection: 3.06e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 179.58448237321664, + "fos_buckling": 0.17769311399802964, + "fos_yielding": 2.543189691586051, + "deflection": 0.03056386653125011, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3246": { + "node_id": "node_3246", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0027)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 226.27 kg\n Factor of Safety: 0.22\n Max Deflection: 2.43e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 226.27397869671006, + "fos_buckling": 0.22148041300101612, + "fos_yielding": 3.204821694903809, + "deflection": 0.024304614893612554, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.271)" + }, + "parent_node_id": "node_3245", + "improvement_over_parent": null + }, + "node_3247": { + "node_id": "node_3247", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0033)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 278.24 kg\n Factor of Safety: 0.27\n Max Deflection: 1.98e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.24412469855986, + "fos_buckling": 0.2690609141668494, + "fos_yielding": 3.942017895746379, + "deflection": 0.019807139123966838, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.242)" + }, + "parent_node_id": "node_3246", + "improvement_over_parent": null + }, + "node_3248": { + "node_id": "node_3248", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0044)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 360.22 kg\n Factor of Safety: 0.34\n Max Deflection: 1.53e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 360.2185907645263, + "fos_buckling": 0.3416425497581479, + "fos_yielding": 5.107238293135809, + "deflection": 0.01534969376054108, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.316)" + }, + "parent_node_id": "node_3247", + "improvement_over_parent": null + }, + "node_3249": { + "node_id": "node_3249", + "content": "MODIFICATION: Increase 2 thickness by 57%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 373.54 kg\n Factor of Safety: 0.50\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.542763863138, + "fos_buckling": 0.4982093814238626, + "fos_yielding": 5.75777099743656, + "deflection": 0.013594269160614316, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.570)" + }, + "parent_node_id": "node_3248", + "improvement_over_parent": null + }, + "node_3250": { + "node_id": "node_3250", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0086)]\n\nPerformance:\n Mass: 440.85 kg\n Factor of Safety: 1.29\n Max Deflection: 7.33e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.8475060353149, + "fos_buckling": 1.292229589813268, + "fos_yielding": 11.48871478510018, + "deflection": 0.007331366620453687, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.008568)" + }, + "parent_node_id": "node_3249", + "improvement_over_parent": null + }, + "node_3251": { + "node_id": "node_3251", + "content": "MODIFICATION: Increase all_members thickness by 26%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.44 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4422906769569, + "fos_buckling": 1.537989368100754, + "fos_yielding": 14.272893545464603, + "deflection": 0.005952391143847367, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.263)" + }, + "parent_node_id": "node_3250", + "improvement_over_parent": null + }, + "node_3252": { + "node_id": "node_3252", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3251", + "improvement_over_parent": null + }, + "node_3253": { + "node_id": "node_3253", + "content": "INITIAL DESIGN (Trace 480)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0050)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 273.32 kg\n Factor of Safety: 0.23\n Max Deflection: 4.53e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 273.3175202889894, + "fos_buckling": 0.2276587451761559, + "fos_yielding": 1.8089464768574308, + "deflection": 45327891704762.51, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3254": { + "node_id": "node_3254", + "content": "MODIFICATION: Increase 7 thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 281.37 kg\n Factor of Safety: 0.75\n Max Deflection: 2.08e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 281.3652051427256, + "fos_buckling": 0.7487446425240254, + "fos_yielding": 8.829593917731742, + "deflection": 20791802905462.242, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.241)" + }, + "parent_node_id": "node_3253", + "improvement_over_parent": null + }, + "node_3255": { + "node_id": "node_3255", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n\nPerformance:\n Mass: 337.87 kg\n Factor of Safety: 0.72\n Max Deflection: 1.09e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.8660181469011, + "fos_buckling": 0.7219449504366995, + "fos_yielding": 8.540348912741852, + "deflection": 0.010906765448649781, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007107)" + }, + "parent_node_id": "node_3254", + "improvement_over_parent": null + }, + "node_3256": { + "node_id": "node_3256", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0065)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0062)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0057)]\n\nPerformance:\n Mass: 370.11 kg\n Factor of Safety: 1.11\n Max Deflection: 8.70e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 370.1139104501539, + "fos_buckling": 1.1141314424841031, + "fos_yielding": 9.630581186521852, + "deflection": 0.00869524831811599, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005701)" + }, + "parent_node_id": "node_3255", + "improvement_over_parent": null + }, + "node_3257": { + "node_id": "node_3257", + "content": "MODIFICATION: Increase all_members thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0092)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 469.43 kg\n Factor of Safety: 1.36\n Max Deflection: 6.90e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 469.4267689529414, + "fos_buckling": 1.3611066463557677, + "fos_yielding": 12.240804550329141, + "deflection": 0.006896983074798428, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.290)" + }, + "parent_node_id": "node_3256", + "improvement_over_parent": null + }, + "node_3258": { + "node_id": "node_3258", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 545.93 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.9250717541939, + "fos_buckling": 1.5368416431957859, + "fos_yielding": 14.258999878294006, + "deflection": 0.005957903260920176, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.179)" + }, + "parent_node_id": "node_3257", + "improvement_over_parent": null + }, + "node_3259": { + "node_id": "node_3259", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3258", + "improvement_over_parent": null + }, + "node_3260": { + "node_id": "node_3260", + "content": "INITIAL DESIGN (Trace 481)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3261": { + "node_id": "node_3261", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 394.62 kg\n Factor of Safety: 0.45\n Max Deflection: 2.82e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 394.6226211567715, + "fos_buckling": 0.45497827151273706, + "fos_yielding": 3.6178929537148625, + "deflection": 28192972271492.58, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3260", + "improvement_over_parent": null + }, + "node_3262": { + "node_id": "node_3262", + "content": "MODIFICATION: Increase 5 thickness by 51%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0082)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 398.89 kg\n Factor of Safety: 0.45\n Max Deflection: 2.82e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 398.8867400924403, + "fos_buckling": 0.45497827151273706, + "fos_yielding": 3.6178929537148625, + "deflection": 28192972271492.58, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.513)" + }, + "parent_node_id": "node_3261", + "improvement_over_parent": null + }, + "node_3263": { + "node_id": "node_3263", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0082)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 463.02 kg\n Factor of Safety: 0.59\n Max Deflection: 1.13e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 463.0193929850609, + "fos_buckling": 0.593397620157011, + "fos_yielding": 5.287116245612449, + "deflection": 0.01127798709276894, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3262", + "improvement_over_parent": null + }, + "node_3264": { + "node_id": "node_3264", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0082)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.41 kg\n Factor of Safety: 1.27\n Max Deflection: 6.07e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 546.4146254184224, + "fos_buckling": 1.2719620063814072, + "fos_yielding": 10.114378352574766, + "deflection": 0.006069661610085229, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3263", + "improvement_over_parent": null + }, + "node_3265": { + "node_id": "node_3265", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3264", + "improvement_over_parent": null + }, + "node_3266": { + "node_id": "node_3266", + "content": "INITIAL DESIGN (Trace 482)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 354.18 kg\n Factor of Safety: 0.88\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 354.1822549819588, + "fos_buckling": 0.8789237469425758, + "fos_yielding": 10.713819589414465, + "deflection": 0.01072224873892673, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3267": { + "node_id": "node_3267", + "content": "MODIFICATION: Increase 6 thickness by 23%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 355.65 kg\n Factor of Safety: 0.88\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 355.64873045414123, + "fos_buckling": 0.8789237469425758, + "fos_yielding": 10.713819589414465, + "deflection": 0.01072224873892673, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.235)" + }, + "parent_node_id": "node_3266", + "improvement_over_parent": null + }, + "node_3268": { + "node_id": "node_3268", + "content": "MODIFICATION: Add member connecting joints 1 and 3\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0045)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n\nPerformance:\n Mass: 410.21 kg\n Factor of Safety: 0.88\n Max Deflection: 8.73e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.2134082546566, + "fos_buckling": 0.8758891903106308, + "fos_yielding": 10.676829244800821, + "deflection": 0.008726063676823567, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 3, 6061_T6_Aluminum, Pipe, 0.056916, 0.007954)" + }, + "parent_node_id": "node_3267", + "improvement_over_parent": null + }, + "node_3269": { + "node_id": "node_3269", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 482.29 kg\n Factor of Safety: 1.00\n Max Deflection: 7.46e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.2889941727182, + "fos_buckling": 0.9982601434729066, + "fos_yielding": 12.49653516471179, + "deflection": 0.007455213514838073, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.193)" + }, + "parent_node_id": "node_3268", + "improvement_over_parent": null + }, + "node_3270": { + "node_id": "node_3270", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4216470653388, + "fos_buckling": 1.5380360714580368, + "fos_yielding": 14.274090375231891, + "deflection": 0.005952422684151502, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3269", + "improvement_over_parent": null + }, + "node_3271": { + "node_id": "node_3271", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3270", + "improvement_over_parent": null + }, + "node_3272": { + "node_id": "node_3272", + "content": "INITIAL DESIGN (Trace 483)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0074)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0071)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0081)]\n\nPerformance:\n Mass: 373.20 kg\n Factor of Safety: 0.80\n Max Deflection: 1.17e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 373.19793487593137, + "fos_buckling": 0.8048357098225185, + "fos_yielding": 9.670709726463745, + "deflection": 0.01170520294940802, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3273": { + "node_id": "node_3273", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 486.08 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 486.07565526849953, + "fos_buckling": 0.9992239787075557, + "fos_yielding": 12.509664225286274, + "deflection": 0.009015761400883398, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_3272", + "improvement_over_parent": null + }, + "node_3274": { + "node_id": "node_3274", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.68 kg\n Factor of Safety: 1.01\n Max Deflection: 9.04e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.6784197290025, + "fos_buckling": 1.0122782613036758, + "fos_yielding": 12.673095743603795, + "deflection": 0.009043248426810205, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3273", + "improvement_over_parent": null + }, + "node_3275": { + "node_id": "node_3275", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.65 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6479392385573, + "fos_buckling": 1.5384235827905568, + "fos_yielding": 14.272728014293795, + "deflection": 0.0059501696031869465, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3274", + "improvement_over_parent": null + }, + "node_3276": { + "node_id": "node_3276", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3275", + "improvement_over_parent": null + }, + "node_3277": { + "node_id": "node_3277", + "content": "INITIAL DESIGN (Trace 484)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 376.07 kg\n Factor of Safety: 0.60\n Max Deflection: 1.24e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.0738064782086, + "fos_buckling": 0.59635726002152, + "fos_yielding": 7.114175396101127, + "deflection": 0.01240948869584074, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3278": { + "node_id": "node_3278", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 440.21 kg\n Factor of Safety: 0.59\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 440.2064593708292, + "fos_buckling": 0.5939415326674828, + "fos_yielding": 6.002191447113826, + "deflection": 0.011537346711848704, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3277", + "improvement_over_parent": null + }, + "node_3279": { + "node_id": "node_3279", + "content": "MODIFICATION: Increase 3 thickness by 63%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 457.56 kg\n Factor of Safety: 0.59\n Max Deflection: 1.14e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 457.5556772667454, + "fos_buckling": 0.5932913877874075, + "fos_yielding": 5.848653427190075, + "deflection": 0.011439323667533453, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.629)" + }, + "parent_node_id": "node_3278", + "improvement_over_parent": null + }, + "node_3280": { + "node_id": "node_3280", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 540.95 kg\n Factor of Safety: 1.40\n Max Deflection: 6.09e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 540.9509097001069, + "fos_buckling": 1.4046822315038783, + "fos_yielding": 11.313966109759356, + "deflection": 0.0060941807873161795, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.010817)" + }, + "parent_node_id": "node_3279", + "improvement_over_parent": null + }, + "node_3281": { + "node_id": "node_3281", + "content": "MODIFICATION: Increase 6 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0046)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 543.11 kg\n Factor of Safety: 1.39\n Max Deflection: 6.06e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.1057956369402, + "fos_buckling": 1.3888815960397194, + "fos_yielding": 11.186700419238898, + "deflection": 0.006060489027901816, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.316)" + }, + "parent_node_id": "node_3280", + "improvement_over_parent": null + }, + "node_3282": { + "node_id": "node_3282", + "content": "MODIFICATION: Increase 5 thickness by 35%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.26 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2620083660751, + "fos_buckling": 1.5376575929969465, + "fos_yielding": 14.269696939319212, + "deflection": 0.005954160703123626, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.353)" + }, + "parent_node_id": "node_3281", + "improvement_over_parent": null + }, + "node_3283": { + "node_id": "node_3283", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3282", + "improvement_over_parent": null + }, + "node_3284": { + "node_id": "node_3284", + "content": "INITIAL DESIGN (Trace 485)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0032)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 260.82 kg\n Factor of Safety: 0.56\n Max Deflection: 1.77e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 260.82337281174625, + "fos_buckling": 0.5636839864149246, + "fos_yielding": 6.480732093015086, + "deflection": 0.017677182639630716, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3285": { + "node_id": "node_3285", + "content": "MODIFICATION: Increase 8 thickness by 46%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n\nPerformance:\n Mass: 270.79 kg\n Factor of Safety: 0.56\n Max Deflection: 1.77e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 270.78848976502104, + "fos_buckling": 0.5639053261150474, + "fos_yielding": 6.483276858047649, + "deflection": 0.01767718263963072, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.460)" + }, + "parent_node_id": "node_3284", + "improvement_over_parent": null + }, + "node_3286": { + "node_id": "node_3286", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0048)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0042)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0026)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0052)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0030)]\n\nPerformance:\n Mass: 277.37 kg\n Factor of Safety: 0.86\n Max Deflection: 1.15e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 277.37249699339327, + "fos_buckling": 0.8640055484531095, + "fos_yielding": 7.202736639905735, + "deflection": 0.011537134547689846, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.003044)" + }, + "parent_node_id": "node_3285", + "improvement_over_parent": null + }, + "node_3287": { + "node_id": "node_3287", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0060)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0038)]\n\nPerformance:\n Mass: 342.28 kg\n Factor of Safety: 1.04\n Max Deflection: 9.39e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 342.28481330496714, + "fos_buckling": 1.0410973313838043, + "fos_yielding": 8.900720853941563, + "deflection": 0.009386222946038848, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.247)" + }, + "parent_node_id": "node_3286", + "improvement_over_parent": null + }, + "node_3288": { + "node_id": "node_3288", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0069)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0060)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0038)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0066)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0075)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0044)]\n\nPerformance:\n Mass: 390.17 kg\n Factor of Safety: 1.17\n Max Deflection: 8.26e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.17482151755286, + "fos_buckling": 1.1657891572214358, + "fos_yielding": 10.156463831183231, + "deflection": 0.008258130905658531, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.149)" + }, + "parent_node_id": "node_3287", + "improvement_over_parent": null + }, + "node_3289": { + "node_id": "node_3289", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n\nPerformance:\n Mass: 490.47 kg\n Factor of Safety: 1.41\n Max Deflection: 6.61e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 490.4744830091879, + "fos_buckling": 1.4107522337192673, + "fos_yielding": 12.79483808538806, + "deflection": 0.006609322005134849, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_3288", + "improvement_over_parent": null + }, + "node_3290": { + "node_id": "node_3290", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.27 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2660986084497, + "fos_buckling": 1.5376439957231176, + "fos_yielding": 14.267362147359405, + "deflection": 0.005954241290373167, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.125)" + }, + "parent_node_id": "node_3289", + "improvement_over_parent": null + }, + "node_3291": { + "node_id": "node_3291", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3290", + "improvement_over_parent": null + }, + "node_3292": { + "node_id": "node_3292", + "content": "INITIAL DESIGN (Trace 486)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0061)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 453.31 kg\n Factor of Safety: 1.00\n Max Deflection: 9.95e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 453.30539396069423, + "fos_buckling": 1.000671109860953, + "fos_yielding": 8.629149909971785, + "deflection": 0.009954354246728695, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3293": { + "node_id": "node_3293", + "content": "MODIFICATION: Increase 2 thickness by 42%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 466.43 kg\n Factor of Safety: 1.00\n Max Deflection: 9.96e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.4313277691309, + "fos_buckling": 0.9998422277331354, + "fos_yielding": 8.622002158759464, + "deflection": 0.009962718051416406, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.418)" + }, + "parent_node_id": "node_3292", + "improvement_over_parent": null + }, + "node_3294": { + "node_id": "node_3294", + "content": "MODIFICATION: Increase 1 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 485.67 kg\n Factor of Safety: 1.00\n Max Deflection: 9.02e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 485.67220706176613, + "fos_buckling": 0.9986296751348841, + "fos_yielding": 12.498148267817736, + "deflection": 0.00902286579506451, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.495)" + }, + "parent_node_id": "node_3293", + "improvement_over_parent": null + }, + "node_3295": { + "node_id": "node_3295", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 533.27 kg\n Factor of Safety: 1.01\n Max Deflection: 9.05e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.2749715222691, + "fos_buckling": 1.011646336077521, + "fos_yielding": 12.661513247871381, + "deflection": 0.009050368501222273, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3294", + "improvement_over_parent": null + }, + "node_3296": { + "node_id": "node_3296", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 546.24 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2444910318239, + "fos_buckling": 1.5376074379024631, + "fos_yielding": 14.270571796850607, + "deflection": 0.005954348643359047, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3295", + "improvement_over_parent": null + }, + "node_3297": { + "node_id": "node_3297", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3296", + "improvement_over_parent": null + }, + "node_3298": { + "node_id": "node_3298", + "content": "INITIAL DESIGN (Trace 487)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 0.00 kg\n Factor of Safety: 0.00\n Max Deflection: inf m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 0, + "fos_buckling": 0, + "fos_yielding": 0, + "deflection": Infinity, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3299": { + "node_id": "node_3299", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 471.71 kg\n Factor of Safety: 1.00\n Max Deflection: 9.63e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.71248364921973, + "fos_buckling": 0.9995091182849448, + "fos_yielding": 9.682127657218969, + "deflection": 0.009631119196905303, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3298", + "improvement_over_parent": null + }, + "node_3300": { + "node_id": "node_3300", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n\nPerformance:\n Mass: 484.68 kg\n Factor of Safety: 1.00\n Max Deflection: 8.07e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 484.6820031587746, + "fos_buckling": 0.9978762278361949, + "fos_yielding": 9.666310038864285, + "deflection": 0.00806636343328788, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.006277)" + }, + "parent_node_id": "node_3299", + "improvement_over_parent": null + }, + "node_3301": { + "node_id": "node_3301", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 532.28 kg\n Factor of Safety: 1.53\n Max Deflection: 6.19e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 532.2847676192775, + "fos_buckling": 1.5344720981005011, + "fos_yielding": 13.666102711204122, + "deflection": 0.006193387699117537, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3300", + "improvement_over_parent": null + }, + "node_3302": { + "node_id": "node_3302", + "content": "MODIFICATION: Increase 1 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.29 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2898300364192, + "fos_buckling": 1.53766408553899, + "fos_yielding": 14.270593472974342, + "deflection": 0.005953886353392846, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.321)" + }, + "parent_node_id": "node_3301", + "improvement_over_parent": null + }, + "node_3303": { + "node_id": "node_3303", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3302", + "improvement_over_parent": null + }, + "node_3304": { + "node_id": "node_3304", + "content": "INITIAL DESIGN (Trace 488)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0045)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0039)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0029)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0025)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0041)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0049)]\n\nPerformance:\n Mass: 254.11 kg\n Factor of Safety: 0.72\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 254.10863920624405, + "fos_buckling": 0.7215001661699683, + "fos_yielding": 6.548668248705128, + "deflection": 0.012665152593522357, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3305": { + "node_id": "node_3305", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0052)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0057)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 329.87 kg\n Factor of Safety: 0.92\n Max Deflection: 9.80e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 329.8661329217146, + "fos_buckling": 0.9152772873147608, + "fos_yielding": 8.515520626839633, + "deflection": 0.009800389790495623, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.314)" + }, + "parent_node_id": "node_3304", + "improvement_over_parent": null + }, + "node_3306": { + "node_id": "node_3306", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0078)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0071)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0075)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 428.60 kg\n Factor of Safety: 1.15\n Max Deflection: 7.59e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.5973193288347, + "fos_buckling": 1.1533748918466564, + "fos_yielding": 11.08902500926502, + "deflection": 0.0075867780837777935, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.321)" + }, + "parent_node_id": "node_3305", + "improvement_over_parent": null + }, + "node_3307": { + "node_id": "node_3307", + "content": "MODIFICATION: Increase all_members thickness by 27%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0090)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 533.07 kg\n Factor of Safety: 1.39\n Max Deflection: 6.14e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 533.0708062797129, + "fos_buckling": 1.3877062296538618, + "fos_yielding": 13.824959691425706, + "deflection": 0.006137240143473222, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.267)" + }, + "parent_node_id": "node_3306", + "improvement_over_parent": null + }, + "node_3308": { + "node_id": "node_3308", + "content": "MODIFICATION: Increase 7 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 545.85 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 545.8547092087821, + "fos_buckling": 1.5367515057470562, + "fos_yielding": 14.258749042215227, + "deflection": 0.00595850305219811, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.199)" + }, + "parent_node_id": "node_3307", + "improvement_over_parent": null + }, + "node_3309": { + "node_id": "node_3309", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3308", + "improvement_over_parent": null + }, + "node_3310": { + "node_id": "node_3310", + "content": "INITIAL DESIGN (Trace 489)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0039)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 188.21 kg\n Factor of Safety: 0.66\n Max Deflection: 6.46e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 188.21093279096038, + "fos_buckling": 0.6624614736359901, + "fos_yielding": 2.6119158508005524, + "deflection": 64627720371569.35, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3311": { + "node_id": "node_3311", + "content": "MODIFICATION: Increase 6 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 198.57 kg\n Factor of Safety: 0.23\n Max Deflection: 4.55e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 198.56559209567914, + "fos_buckling": 0.2307298606370732, + "fos_yielding": 1.8089464768574313, + "deflection": 45501259789205.086, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.389)" + }, + "parent_node_id": "node_3310", + "improvement_over_parent": null + }, + "node_3312": { + "node_id": "node_3312", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 228.48 kg\n Factor of Safety: 0.23\n Max Deflection: 3.52e+13 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 228.47757051259762, + "fos_buckling": 0.22723305742358985, + "fos_yielding": 1.8089464768574308, + "deflection": 35218553076123.84, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.160)" + }, + "parent_node_id": "node_3311", + "improvement_over_parent": null + }, + "node_3313": { + "node_id": "node_3313", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 285.91 kg\n Factor of Safety: 0.44\n Max Deflection: 1.76e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 285.9060911507785, + "fos_buckling": 0.4360410502660535, + "fos_yielding": 4.948096506917912, + "deflection": 0.017590556107300693, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007231)" + }, + "parent_node_id": "node_3312", + "improvement_over_parent": null + }, + "node_3314": { + "node_id": "node_3314", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n\nPerformance:\n Mass: 318.69 kg\n Factor of Safety: 0.44\n Max Deflection: 1.59e-02 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 318.68630011640005, + "fos_buckling": 0.4351314186577996, + "fos_yielding": 4.937882835754056, + "deflection": 0.015883144573127315, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.005801)" + }, + "parent_node_id": "node_3313", + "improvement_over_parent": null + }, + "node_3315": { + "node_id": "node_3315", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0042)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 376.11 kg\n Factor of Safety: 1.13\n Max Deflection: 8.56e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 376.11482075458093, + "fos_buckling": 1.129824427657179, + "fos_yielding": 9.789061750455833, + "deflection": 0.008559345777327114, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007231)" + }, + "parent_node_id": "node_3314", + "improvement_over_parent": null + }, + "node_3316": { + "node_id": "node_3316", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0077)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 489.82 kg\n Factor of Safety: 1.41\n Max Deflection: 6.62e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 489.8176226650011, + "fos_buckling": 1.4093572313136924, + "fos_yielding": 12.77947891085149, + "deflection": 0.006617779901578391, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.328)" + }, + "parent_node_id": "node_3315", + "improvement_over_parent": null + }, + "node_3317": { + "node_id": "node_3317", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.42 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.4248540492338, + "fos_buckling": 1.5381393886042463, + "fos_yielding": 14.273712269865, + "deflection": 0.005952441103885611, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.127)" + }, + "parent_node_id": "node_3316", + "improvement_over_parent": null + }, + "node_3318": { + "node_id": "node_3318", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3317", + "improvement_over_parent": null + }, + "node_3319": { + "node_id": "node_3319", + "content": "INITIAL DESIGN (Trace 490)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0066)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0072)]\n\nPerformance:\n Mass: 242.70 kg\n Factor of Safety: 1.13\n Max Deflection: 5.66e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 242.7044465068264, + "fos_buckling": 1.1325731346976806, + "fos_yielding": 13.371289507775428, + "deflection": 56604186250664.11, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3320": { + "node_id": "node_3320", + "content": "MODIFICATION: Increase all_members thickness by 33%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (7 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n\nPerformance:\n Mass: 317.00 kg\n Factor of Safety: 1.11\n Max Deflection: 2.51e+14 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.9960493007735, + "fos_buckling": 1.1059462805916105, + "fos_yielding": 3.530407007127482, + "deflection": 251209257679337.1, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.332)" + }, + "parent_node_id": "node_3319", + "improvement_over_parent": null + }, + "node_3321": { + "node_id": "node_3321", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 353.43 kg\n Factor of Safety: 0.06\n Max Deflection: 3.35e+14 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 353.4283939854847, + "fos_buckling": 0.05579791246272466, + "fos_yielding": 0.8684495572162587, + "deflection": 335135555302312.2, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006493)" + }, + "parent_node_id": "node_3320", + "improvement_over_parent": null + }, + "node_3322": { + "node_id": "node_3322", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n\nPerformance:\n Mass: 365.01 kg\n Factor of Safety: 0.48\n Max Deflection: 1.41e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 365.00884459780156, + "fos_buckling": 0.4760422173765677, + "fos_yielding": 6.376656984806315, + "deflection": 0.014121540962695049, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005546)" + }, + "parent_node_id": "node_3321", + "improvement_over_parent": null + }, + "node_3323": { + "node_id": "node_3323", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 426.97 kg\n Factor of Safety: 0.91\n Max Deflection: 8.60e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 426.97207837807025, + "fos_buckling": 0.9121539108494234, + "fos_yielding": 11.203242678404708, + "deflection": 0.008604199599485166, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007841)" + }, + "parent_node_id": "node_3322", + "improvement_over_parent": null + }, + "node_3324": { + "node_id": "node_3324", + "content": "MODIFICATION: Increase 2 thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0088)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0057)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0084)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0096)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 428.38 kg\n Factor of Safety: 0.91\n Max Deflection: 8.58e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 428.38455280017604, + "fos_buckling": 0.9121539108494238, + "fos_yielding": 11.20324267840471, + "deflection": 0.008580261828913265, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(2, thickness, 1.181)" + }, + "parent_node_id": "node_3323", + "improvement_over_parent": null + }, + "node_3325": { + "node_id": "node_3325", + "content": "MODIFICATION: Increase all_members thickness by 13%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 479.64 kg\n Factor of Safety: 1.00\n Max Deflection: 7.69e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.6405761705168, + "fos_buckling": 0.998466344396047, + "fos_yielding": 12.498955271539401, + "deflection": 0.007687485312463151, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.131)" + }, + "parent_node_id": "node_3324", + "improvement_over_parent": null + }, + "node_3326": { + "node_id": "node_3326", + "content": "MODIFICATION: Increase 6 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n\nPerformance:\n Mass: 495.96 kg\n Factor of Safety: 1.15\n Max Deflection: 7.29e-03 m\n Status: INFEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.95614956460366, + "fos_buckling": 1.1504617213386528, + "fos_yielding": 12.486119348469673, + "deflection": 0.007286016417620864, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.220)" + }, + "parent_node_id": "node_3325", + "improvement_over_parent": null + }, + "node_3327": { + "node_id": "node_3327", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0064)]\n M3: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M5: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M6: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0132)]\n M7: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M8: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M9: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0089)]\n M10: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 543.56 kg\n Factor of Safety: 1.36\n Max Deflection: 6.02e-03 m\n Status: INFEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.5589140251067, + "fos_buckling": 1.357562832527052, + "fos_yielding": 14.38551052477493, + "deflection": 0.006018231036058585, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.008678)" + }, + "parent_node_id": "node_3326", + "improvement_over_parent": null + }, + "node_3328": { + "node_id": "node_3328", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 9, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3327", + "improvement_over_parent": null + }, + "node_3329": { + "node_id": "node_3329", + "content": "INITIAL DESIGN (Trace 491)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0063)]\n\nPerformance:\n Mass: 337.23 kg\n Factor of Safety: 0.34\n Max Deflection: 2.21e+13 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 337.22900289256904, + "fos_buckling": 0.3370481687090681, + "fos_yielding": 2.9378541561588007, + "deflection": 22109545134659.15, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3330": { + "node_id": "node_3330", + "content": "MODIFICATION: Increase 7 thickness by 29%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (8 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n\nPerformance:\n Mass: 348.99 kg\n Factor of Safety: 0.22\n Max Deflection: 4.35e+13 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 348.9857944471682, + "fos_buckling": 0.22073338584627303, + "fos_yielding": 2.4391804263423613, + "deflection": 43493942670279.82, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.290)" + }, + "parent_node_id": "node_3329", + "improvement_over_parent": null + }, + "node_3331": { + "node_id": "node_3331", + "content": "MODIFICATION: Add member connecting joints 4 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n\nPerformance:\n Mass: 390.28 kg\n Factor of Safety: 0.45\n Max Deflection: 3.64e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 390.2807138643922, + "fos_buckling": 0.45239833457769113, + "fos_yielding": 5.530851021918965, + "deflection": 0.03641909217367605, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(4, 5, 6061_T6_Aluminum, Pipe, 0.052066, 0.007431)" + }, + "parent_node_id": "node_3330", + "improvement_over_parent": null + }, + "node_3332": { + "node_id": "node_3332", + "content": "MODIFICATION: Add member connecting joints 1 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n\nPerformance:\n Mass: 401.53 kg\n Factor of Safety: 0.53\n Max Deflection: 1.27e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.5316092183612, + "fos_buckling": 0.5288113810739622, + "fos_yielding": 6.173642525321003, + "deflection": 0.012669949607342369, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 4, 6061_T6_Aluminum, Pipe, 0.037661, 0.005375)" + }, + "parent_node_id": "node_3331", + "improvement_over_parent": null + }, + "node_3333": { + "node_id": "node_3333", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0085)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0081)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0074)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0054)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0093)]\n\nPerformance:\n Mass: 473.88 kg\n Factor of Safety: 1.37\n Max Deflection: 6.83e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 473.87871212272415, + "fos_buckling": 1.3716823443971375, + "fos_yielding": 12.36085209220428, + "deflection": 0.0068336995740745235, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009263)" + }, + "parent_node_id": "node_3332", + "improvement_over_parent": null + }, + "node_3334": { + "node_id": "node_3334", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M6: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M7: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M9: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.35 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.3452945353301, + "fos_buckling": 1.5377744528588764, + "fos_yielding": 14.273263270377843, + "deflection": 0.0059531937389200075, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.168)" + }, + "parent_node_id": "node_3333", + "improvement_over_parent": null + }, + "node_3335": { + "node_id": "node_3335", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3334", + "improvement_over_parent": null + }, + "node_3336": { + "node_id": "node_3336", + "content": "INITIAL DESIGN (Trace 492)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0020)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 263.74 kg\n Factor of Safety: 0.39\n Max Deflection: 1.82e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 263.7354224492201, + "fos_buckling": 0.3871685316816228, + "fos_yielding": 4.33502597070051, + "deflection": 0.018209596433203534, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3337": { + "node_id": "node_3337", + "content": "MODIFICATION: Increase 4 thickness by 60%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n\nPerformance:\n Mass: 265.84 kg\n Factor of Safety: 0.39\n Max Deflection: 1.81e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 265.84095270593303, + "fos_buckling": 0.38716853168162263, + "fos_yielding": 4.335025970700508, + "deflection": 0.01812018514512704, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(4, thickness, 1.600)" + }, + "parent_node_id": "node_3336", + "improvement_over_parent": null + }, + "node_3338": { + "node_id": "node_3338", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0037)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0051)]\n\nPerformance:\n Mass: 307.43 kg\n Factor of Safety: 0.90\n Max Deflection: 1.07e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 307.4288353652696, + "fos_buckling": 0.9031773402486832, + "fos_yielding": 7.751105292654143, + "deflection": 0.010722625137676007, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005149)" + }, + "parent_node_id": "node_3337", + "improvement_over_parent": null + }, + "node_3339": { + "node_id": "node_3339", + "content": "MODIFICATION: Increase 1 thickness by 54%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0057)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0050)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0036)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0031)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0063)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0055)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0051)]\n\nPerformance:\n Mass: 320.07 kg\n Factor of Safety: 0.88\n Max Deflection: 1.01e-02 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 320.0728511668456, + "fos_buckling": 0.8834111874652382, + "fos_yielding": 8.253713451441904, + "deflection": 0.010102910687580709, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.541)" + }, + "parent_node_id": "node_3338", + "improvement_over_parent": null + }, + "node_3340": { + "node_id": "node_3340", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0061)]\n\nPerformance:\n Mass: 374.62 kg\n Factor of Safety: 1.02\n Max Deflection: 8.66e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 374.6183045048584, + "fos_buckling": 1.0170172945918987, + "fos_yielding": 9.672263953416458, + "deflection": 0.008659645249730024, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.181)" + }, + "parent_node_id": "node_3339", + "improvement_over_parent": null + }, + "node_3341": { + "node_id": "node_3341", + "content": "MODIFICATION: Increase 10 thickness by 22%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0068)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 384.61 kg\n Factor of Safety: 1.15\n Max Deflection: 8.37e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.60922469113154, + "fos_buckling": 1.1514816268601349, + "fos_yielding": 10.012220305936964, + "deflection": 0.008374513197050163, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.218)" + }, + "parent_node_id": "node_3340", + "improvement_over_parent": null + }, + "node_3342": { + "node_id": "node_3342", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0079)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0069)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0050)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0043)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0076)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0087)]\n\nPerformance:\n Mass: 445.37 kg\n Factor of Safety: 1.30\n Max Deflection: 7.26e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 445.3657909989891, + "fos_buckling": 1.303196782619807, + "fos_yielding": 11.608949036770392, + "deflection": 0.007258712322743196, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.170)" + }, + "parent_node_id": "node_3341", + "improvement_over_parent": null + }, + "node_3343": { + "node_id": "node_3343", + "content": "MODIFICATION: Increase all_members thickness by 25%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.76 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.7557824787493, + "fos_buckling": 1.5386407930769703, + "fos_yielding": 14.282837798222072, + "deflection": 0.005948882695094295, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.250)" + }, + "parent_node_id": "node_3342", + "improvement_over_parent": null + }, + "node_3344": { + "node_id": "node_3344", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3343", + "improvement_over_parent": null + }, + "node_3345": { + "node_id": "node_3345", + "content": "INITIAL DESIGN (Trace 493)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0059)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0051)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0032)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0037)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0021)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0038)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0040)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0064)]\n\nPerformance:\n Mass: 258.72 kg\n Factor of Safety: 0.39\n Max Deflection: 2.04e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 258.71638923301145, + "fos_buckling": 0.39452319894785964, + "fos_yielding": 4.315428625922501, + "deflection": 0.020440977108843583, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3346": { + "node_id": "node_3346", + "content": "MODIFICATION: Increase all_members thickness by 15%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0043)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 295.86 kg\n Factor of Safety: 0.44\n Max Deflection: 1.79e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 295.86339255898247, + "fos_buckling": 0.4431893639609435, + "fos_yielding": 4.933963354947472, + "deflection": 0.01790612749796099, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.152)" + }, + "parent_node_id": "node_3345", + "improvement_over_parent": null + }, + "node_3347": { + "node_id": "node_3347", + "content": "MODIFICATION: Increase 7 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 310.17 kg\n Factor of Safety: 0.44\n Max Deflection: 1.58e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 310.1671584352034, + "fos_buckling": 0.44278577165375244, + "fos_yielding": 5.035241259774502, + "deflection": 0.01578738976727786, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.495)" + }, + "parent_node_id": "node_3346", + "improvement_over_parent": null + }, + "node_3348": { + "node_id": "node_3348", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0067)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0037)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0043)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0024)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0065)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0046)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0074)]\n\nPerformance:\n Mass: 368.71 kg\n Factor of Safety: 1.04\n Max Deflection: 8.66e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 368.7077889993574, + "fos_buckling": 1.0381339148917526, + "fos_yielding": 10.60972837779317, + "deflection": 0.00866271110358799, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.007380)" + }, + "parent_node_id": "node_3347", + "improvement_over_parent": null + }, + "node_3349": { + "node_id": "node_3349", + "content": "MODIFICATION: Increase all_members thickness by 12%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 410.06 kg\n Factor of Safety: 1.14\n Max Deflection: 7.81e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.0585194072034, + "fos_buckling": 1.1392629530903804, + "fos_yielding": 11.803962222496766, + "deflection": 0.00780913777497379, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.120)" + }, + "parent_node_id": "node_3348", + "improvement_over_parent": null + }, + "node_3350": { + "node_id": "node_3350", + "content": "MODIFICATION: Increase 9 thickness by 41%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0076)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0066)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0048)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0051)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0116)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0083)]\n\nPerformance:\n Mass: 434.07 kg\n Factor of Safety: 1.26\n Max Deflection: 7.39e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 434.0711775352837, + "fos_buckling": 1.2648886399460726, + "fos_yielding": 12.424580126780809, + "deflection": 0.007389514707781353, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.408)" + }, + "parent_node_id": "node_3349", + "improvement_over_parent": null + }, + "node_3351": { + "node_id": "node_3351", + "content": "MODIFICATION: Increase all_members thickness by 31%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0036)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0152)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 555.51 kg\n Factor of Safety: 1.55\n Max Deflection: 5.82e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 555.5143288925481, + "fos_buckling": 1.547433944235813, + "fos_yielding": 15.926356971790863, + "deflection": 0.005815703393182139, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.309)" + }, + "parent_node_id": "node_3350", + "improvement_over_parent": null + }, + "node_3352": { + "node_id": "node_3352", + "content": "MODIFICATION: Increase 6 thickness by 52%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0067)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0152)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 558.59 kg\n Factor of Safety: 1.55\n Max Deflection: 5.78e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 558.5922077665829, + "fos_buckling": 1.5459343538146184, + "fos_yielding": 15.67143834609181, + "deflection": 0.0057773541957279176, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(6, thickness, 1.515)" + }, + "parent_node_id": "node_3351", + "improvement_over_parent": null + }, + "node_3353": { + "node_id": "node_3353", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3352", + "improvement_over_parent": null + }, + "node_3354": { + "node_id": "node_3354", + "content": "INITIAL DESIGN (Trace 494)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n\nPerformance:\n Mass: 335.02 kg\n Factor of Safety: 0.81\n Max Deflection: 1.18e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 335.0188306364281, + "fos_buckling": 0.808652431582501, + "fos_yielding": 9.720960280119709, + "deflection": 0.011826626833402852, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3355": { + "node_id": "node_3355", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n\nPerformance:\n Mass: 384.47 kg\n Factor of Safety: 0.81\n Max Deflection: 9.61e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 384.4663011489429, + "fos_buckling": 0.806118280537021, + "fos_yielding": 9.690496782212803, + "deflection": 0.009612122752901582, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.007154)" + }, + "parent_node_id": "node_3354", + "improvement_over_parent": null + }, + "node_3356": { + "node_id": "node_3356", + "content": "MODIFICATION: Add member connecting joints 3 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0075)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0047)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0041)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0082)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0072)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0065)]\n\nPerformance:\n Mass: 421.17 kg\n Factor of Safety: 1.24\n Max Deflection: 7.66e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 421.1656285287078, + "fos_buckling": 1.243827590022266, + "fos_yielding": 10.972035570907797, + "deflection": 0.007664773365770142, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(3, 4, 6061_T6_Aluminum, Pipe, 0.052066, 0.006544)" + }, + "parent_node_id": "node_3355", + "improvement_over_parent": null + }, + "node_3357": { + "node_id": "node_3357", + "content": "MODIFICATION: Increase all_members thickness by 16%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0086)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0047)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n\nPerformance:\n Mass: 482.93 kg\n Factor of Safety: 1.39\n Max Deflection: 6.71e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 482.92646835176475, + "fos_buckling": 1.3930966450379894, + "fos_yielding": 12.597676580628137, + "deflection": 0.006709513628066817, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.159)" + }, + "parent_node_id": "node_3356", + "improvement_over_parent": null + }, + "node_3358": { + "node_id": "node_3358", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M4: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M5: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M6: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n\nPerformance:\n Mass: 546.22 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2182623583229, + "fos_buckling": 1.5375628400595887, + "fos_yielding": 14.268091146295964, + "deflection": 0.005954695364527328, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.144)" + }, + "parent_node_id": "node_3357", + "improvement_over_parent": null + }, + "node_3359": { + "node_id": "node_3359", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3358", + "improvement_over_parent": null + }, + "node_3360": { + "node_id": "node_3360", + "content": "INITIAL DESIGN (Trace 495)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0039)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 301.73 kg\n Factor of Safety: 0.71\n Max Deflection: 1.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 301.7252920045232, + "fos_buckling": 0.7078912880781888, + "fos_yielding": 8.35041175152392, + "deflection": 0.011860410176403583, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3361": { + "node_id": "node_3361", + "content": "MODIFICATION: Increase 0 thickness by 62%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0063)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0056)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0035)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0069)]\n\nPerformance:\n Mass: 316.79 kg\n Factor of Safety: 0.71\n Max Deflection: 1.12e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 316.78937094294565, + "fos_buckling": 0.7072125024602965, + "fos_yielding": 8.34240467544335, + "deflection": 0.011207343934307942, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.618)" + }, + "parent_node_id": "node_3360", + "improvement_over_parent": null + }, + "node_3362": { + "node_id": "node_3362", + "content": "MODIFICATION: Increase all_members thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0084)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0041)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 410.37 kg\n Factor of Safety: 0.88\n Max Deflection: 8.70e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 410.37481990341, + "fos_buckling": 0.8805263713469836, + "fos_yielding": 10.743098277050116, + "deflection": 0.008701659110306232, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.319)" + }, + "parent_node_id": "node_3361", + "improvement_over_parent": null + }, + "node_3363": { + "node_id": "node_3363", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 479.52 kg\n Factor of Safety: 1.00\n Max Deflection: 7.48e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 479.52264815878743, + "fos_buckling": 0.9984628768606206, + "fos_yielding": 12.498698119747463, + "deflection": 0.007478597242438297, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.185)" + }, + "parent_node_id": "node_3362", + "improvement_over_parent": null + }, + "node_3364": { + "node_id": "node_3364", + "content": "MODIFICATION: Add member connecting joints 1 and 5\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 543.66 kg\n Factor of Safety: 1.44\n Max Deflection: 6.04e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 543.6553010514081, + "fos_buckling": 1.4426375259394204, + "fos_yielding": 11.702146972054203, + "deflection": 0.006038691911504594, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(1, 5, 6061_T6_Aluminum, Pipe, 0.056916, 0.009486)" + }, + "parent_node_id": "node_3363", + "improvement_over_parent": null + }, + "node_3365": { + "node_id": "node_3365", + "content": "MODIFICATION: Increase 5 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.283383763991, + "fos_buckling": 1.5377987171758791, + "fos_yielding": 14.268996604767858, + "deflection": 0.005954131002635644, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(5, thickness, 1.279)" + }, + "parent_node_id": "node_3364", + "improvement_over_parent": null + }, + "node_3366": { + "node_id": "node_3366", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3365", + "improvement_over_parent": null + }, + "node_3367": { + "node_id": "node_3367", + "content": "INITIAL DESIGN (Trace 496)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (9 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n\nPerformance:\n Mass: 312.21 kg\n Factor of Safety: 0.42\n Max Deflection: 2.10e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 312.2074423191452, + "fos_buckling": 0.41615111680232014, + "fos_yielding": 4.403107475891759, + "deflection": 0.02097317252463144, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3368": { + "node_id": "node_3368", + "content": "MODIFICATION: Add member connecting joints 2 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n\nPerformance:\n Mass: 386.40 kg\n Factor of Safety: 0.54\n Max Deflection: 1.36e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 386.40327818562497, + "fos_buckling": 0.5406820824459687, + "fos_yielding": 6.346055759755048, + "deflection": 0.01364297146686277, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(2, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.009520)" + }, + "parent_node_id": "node_3367", + "improvement_over_parent": null + }, + "node_3369": { + "node_id": "node_3369", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0083)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 433.16 kg\n Factor of Safety: 1.00\n Max Deflection: 7.58e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 433.1577245442524, + "fos_buckling": 0.9983283622120742, + "fos_yielding": 12.275851608076726, + "deflection": 0.007584694024657783, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005820)" + }, + "parent_node_id": "node_3368", + "improvement_over_parent": null + }, + "node_3370": { + "node_id": "node_3370", + "content": "MODIFICATION: Increase 8 thickness by 36%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0061)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 451.44 kg\n Factor of Safety: 1.00\n Max Deflection: 7.49e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 451.4375711003952, + "fos_buckling": 0.9956908167934835, + "fos_yielding": 12.155127280733902, + "deflection": 0.007493514693139807, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.359)" + }, + "parent_node_id": "node_3369", + "improvement_over_parent": null + }, + "node_3371": { + "node_id": "node_3371", + "content": "MODIFICATION: Increase 7 thickness by 64%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0087)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0076)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0055)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0055)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0048)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0101)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0113)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0095)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0058)]\n\nPerformance:\n Mass: 476.19 kg\n Factor of Safety: 1.08\n Max Deflection: 7.20e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 476.1940001510934, + "fos_buckling": 1.077660407989969, + "fos_yielding": 11.465177893996792, + "deflection": 0.007198158484083517, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(7, thickness, 1.637)" + }, + "parent_node_id": "node_3370", + "improvement_over_parent": null + }, + "node_3372": { + "node_id": "node_3372", + "content": "MODIFICATION: Increase all_members thickness by 14%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0114)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0129)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 534.93 kg\n Factor of Safety: 1.20\n Max Deflection: 6.42e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 534.9264111195763, + "fos_buckling": 1.1954605457126106, + "fos_yielding": 12.917156703330795, + "deflection": 0.006423501666866391, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.136)" + }, + "parent_node_id": "node_3371", + "improvement_over_parent": null + }, + "node_3373": { + "node_id": "node_3373", + "content": "MODIFICATION: Increase 3 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0114)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0129)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 547.44 kg\n Factor of Safety: 1.19\n Max Deflection: 6.31e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 547.4374252553674, + "fos_buckling": 1.191132812385135, + "fos_yielding": 12.451152839860036, + "deflection": 0.00630538970299526, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.391)" + }, + "parent_node_id": "node_3372", + "improvement_over_parent": null + }, + "node_3374": { + "node_id": "node_3374", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3373", + "improvement_over_parent": null + }, + "node_3375": { + "node_id": "node_3375", + "content": "INITIAL DESIGN (Trace 497)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0077)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0068)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0049)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0042)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0053)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0085)]\n\nPerformance:\n Mass: 411.06 kg\n Factor of Safety: 1.22\n Max Deflection: 7.70e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 411.0565885388097, + "fos_buckling": 1.2236195741891782, + "fos_yielding": 12.237816164210738, + "deflection": 0.007704654538189643, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3376": { + "node_id": "node_3376", + "content": "MODIFICATION: Increase all_members thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0074)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 516.03 kg\n Factor of Safety: 1.47\n Max Deflection: 6.18e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 516.0315794899559, + "fos_buckling": 1.4724410152750387, + "fos_yielding": 15.359716270518934, + "deflection": 0.006177779589161901, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.279)" + }, + "parent_node_id": "node_3375", + "improvement_over_parent": null + }, + "node_3377": { + "node_id": "node_3377", + "content": "MODIFICATION: Increase 9 thickness by 28%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 529.05 kg\n Factor of Safety: 1.47\n Max Deflection: 6.08e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 529.0524879052501, + "fos_buckling": 1.4687625720001247, + "fos_yielding": 14.877582893937989, + "deflection": 0.006084343197367236, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(9, thickness, 1.280)" + }, + "parent_node_id": "node_3376", + "improvement_over_parent": null + }, + "node_3378": { + "node_id": "node_3378", + "content": "MODIFICATION: Increase 8 thickness by 39%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.02 kg\n Factor of Safety: 1.54\n Max Deflection: 5.96e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.0229395923495, + "fos_buckling": 1.537086490285759, + "fos_yielding": 14.26522381386999, + "deflection": 0.005956564155562572, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(8, thickness, 1.395)" + }, + "parent_node_id": "node_3377", + "improvement_over_parent": null + }, + "node_3379": { + "node_id": "node_3379", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3378", + "improvement_over_parent": null + }, + "node_3380": { + "node_id": "node_3380", + "content": "INITIAL DESIGN (Trace 498)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0059)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 461.87 kg\n Factor of Safety: 1.08\n Max Deflection: 7.15e-03 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 461.87243486384824, + "fos_buckling": 1.0834002977583799, + "fos_yielding": 12.408773290237088, + "deflection": 0.007148727079952674, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3381": { + "node_id": "node_3381", + "content": "MODIFICATION: Increase 3 thickness by 32%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0065)]\n\nPerformance:\n Mass: 471.76 kg\n Factor of Safety: 1.13\n Max Deflection: 7.01e-03 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 471.76318517952876, + "fos_buckling": 1.125103818802291, + "fos_yielding": 12.029785438096326, + "deflection": 0.007014207538666657, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(3, thickness, 1.323)" + }, + "parent_node_id": "node_3380", + "improvement_over_parent": null + }, + "node_3382": { + "node_id": "node_3382", + "content": "MODIFICATION: Increase 10 thickness by 49%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0089)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0078)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0056)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0049)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0085)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0097)]\n\nPerformance:\n Mass: 495.27 kg\n Factor of Safety: 1.42\n Max Deflection: 6.55e-03 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 495.26969509566095, + "fos_buckling": 1.4215968449269543, + "fos_yielding": 12.923661762520243, + "deflection": 0.00654717786753156, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(10, thickness, 1.490)" + }, + "parent_node_id": "node_3381", + "improvement_over_parent": null + }, + "node_3383": { + "node_id": "node_3383", + "content": "MODIFICATION: Increase all_members thickness by 11%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.64 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.6409380103753, + "fos_buckling": 1.53813946010949, + "fos_yielding": 14.279892637868215, + "deflection": 0.005950253421909707, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.114)" + }, + "parent_node_id": "node_3382", + "improvement_over_parent": null + }, + "node_3384": { + "node_id": "node_3384", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3383", + "improvement_over_parent": null + }, + "node_3385": { + "node_id": "node_3385", + "content": "INITIAL DESIGN (Trace 499)\n\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0031)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 223.86 kg\n Factor of Safety: 0.34\n Max Deflection: 2.19e-02 m\n Status: INFEASIBLE", + "depth": 0, + "node_type": "state", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 223.8562502818683, + "fos_buckling": 0.33992115487540614, + "fos_yielding": 3.7528775519604727, + "deflection": 0.021876993754818812, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": null, + "parent_node_id": null, + "improvement_over_parent": null + }, + "node_3386": { + "node_id": "node_3386", + "content": "MODIFICATION: Increase 1 thickness by 58%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (10 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 235.40 kg\n Factor of Safety: 0.34\n Max Deflection: 2.09e-02 m\n Status: INFEASIBLE", + "depth": 1, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 235.39609907939, + "fos_buckling": 0.3396702071302693, + "fos_yielding": 3.7561281666606563, + "deflection": 0.020939998114311673, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(1, thickness, 1.585)" + }, + "parent_node_id": "node_3385", + "improvement_over_parent": null + }, + "node_3387": { + "node_id": "node_3387", + "content": "MODIFICATION: Add member connecting joints 0 and 4\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0041)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0049)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0043)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0031)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0027)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0047)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0054)]\n\nPerformance:\n Mass: 278.73 kg\n Factor of Safety: 0.88\n Max Deflection: 1.16e-02 m\n Status: INFEASIBLE", + "depth": 2, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 278.7306519460224, + "fos_buckling": 0.8808144087767219, + "fos_yielding": 7.1714332443457804, + "deflection": 0.011579436005854178, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "ADD_MEMBER(0, 4, 6061_T6_Aluminum, Pipe, 0.064904, 0.005375)" + }, + "parent_node_id": "node_3386", + "improvement_over_parent": null + }, + "node_3388": { + "node_id": "node_3388", + "content": "MODIFICATION: Increase all_members thickness by 24%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0051)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 341.06 kg\n Factor of Safety: 1.05\n Max Deflection: 9.50e-03 m\n Status: INFEASIBLE", + "depth": 3, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 341.0574158533401, + "fos_buckling": 1.0528348385714554, + "fos_yielding": 8.785824734772117, + "deflection": 0.009498375681015046, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.236)" + }, + "parent_node_id": "node_3387", + "improvement_over_parent": null + }, + "node_3389": { + "node_id": "node_3389", + "content": "MODIFICATION: Increase 0 thickness by 20%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0061)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0053)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0039)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0033)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0058)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0066)]\n\nPerformance:\n Mass: 347.27 kg\n Factor of Safety: 1.05\n Max Deflection: 9.25e-03 m\n Status: INFEASIBLE", + "depth": 4, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 347.26877339902774, + "fos_buckling": 1.054257292742055, + "fos_yielding": 9.032709924847682, + "deflection": 0.009254246592639117, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(0, thickness, 1.198)" + }, + "parent_node_id": "node_3388", + "improvement_over_parent": null + }, + "node_3390": { + "node_id": "node_3390", + "content": "MODIFICATION: Increase all_members thickness by 17%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0071)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0062)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0045)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0039)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0068)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0078)]\n\nPerformance:\n Mass: 401.61 kg\n Factor of Safety: 1.19\n Max Deflection: 8.03e-03 m\n Status: INFEASIBLE", + "depth": 5, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 401.61202981084045, + "fos_buckling": 1.1947669781388424, + "fos_yielding": 10.458374058729078, + "deflection": 0.008028456617671174, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.167)" + }, + "parent_node_id": "node_3389", + "improvement_over_parent": null + }, + "node_3391": { + "node_id": "node_3391", + "content": "MODIFICATION: Increase all_members thickness by 18%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0083)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0073)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0053)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0046)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0080)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0091)]\n\nPerformance:\n Mass: 466.65 kg\n Factor of Safety: 1.35\n Max Deflection: 6.94e-03 m\n Status: INFEASIBLE", + "depth": 6, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": false, + "mass": 466.64850122325305, + "fos_buckling": 1.3544656048157366, + "fos_yielding": 12.168936682775676, + "deflection": 0.006936756788152893, + "is_feasible": false, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.175)" + }, + "parent_node_id": "node_3390", + "improvement_over_parent": null + }, + "node_3392": { + "node_id": "node_3392", + "content": "MODIFICATION: Increase all_members thickness by 19%\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M8: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M10: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.51 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 7, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.5120909800596, + "fos_buckling": 1.5381147769492487, + "fos_yielding": 14.27601469981557, + "deflection": 0.005951607493953932, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "SCALE_PARAM(all_members, thickness, 1.188)" + }, + "parent_node_id": "node_3391", + "improvement_over_parent": null + }, + "node_3393": { + "node_id": "node_3393", + "content": "MODIFICATION: Optimal solution\n\nResulting Structure:\nJoints (6 total):\n J0: pos=(0.00, 0.00) [pinned]\n J1: pos=(6.77, 0.00) [free]\n J2: pos=(13.55, 0.00) [roller]\n J3: pos=(0.00, 3.53) [free]\n J4: pos=(6.77, 3.53) [free]\n J5: pos=(13.55, 3.53) [free]\n\nMembers (11 total):\n M0: J0-J1 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M1: J1-J2 [6061_T6_Aluminum, Pipe(r=0.0594, t=0.0099)]\n M2: J3-J4 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M3: J4-J5 [6061_T6_Aluminum, Pipe(r=0.0521, t=0.0087)]\n M4: J0-J3 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M5: J1-J4 [6061_T6_Aluminum, Pipe(r=0.0377, t=0.0063)]\n M6: J2-J5 [6061_T6_Aluminum, Pipe(r=0.0325, t=0.0054)]\n M7: J0-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n M8: J1-J3 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M9: J1-J5 [6061_T6_Aluminum, Pipe(r=0.0569, t=0.0095)]\n M10: J2-J4 [6061_T6_Aluminum, Pipe(r=0.0649, t=0.0108)]\n\nPerformance:\n Mass: 546.28 kg\n Factor of Safety: 1.54\n Max Deflection: 5.95e-03 m\n Status: FEASIBLE", + "depth": 8, + "node_type": "modification_result", + "metadata": null, + "correctness_score": 1.0, + "is_on_solution_path": true, + "mass": 546.2779843605078, + "fos_buckling": 1.5377008067779117, + "fos_yielding": 14.26991215199361, + "deflection": 0.005954046863532335, + "is_feasible": true, + "joint_positions": null, + "member_dimensions": null, + "modification_action": { + "raw": "OPTIMAL_STATE" + }, + "parent_node_id": "node_3392", + "improvement_over_parent": null + } + }, + "edges": [ + { + 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thickness by 24%", + "metadata": null, + "grammar_action": "SCALE_PARAM(all_members, thickness, 1.236)", + "action_type": null, + "target_member": null, + "parameter_name": null, + "old_value": null, + "new_value": null, + "scale_factor": null + }, + { + "from_node": "node_3388", + "to_node": "node_3389", + "edge_type": "modification", + "reasoning": "Increase 0 thickness by 20%", + "metadata": null, + "grammar_action": "SCALE_PARAM(0, thickness, 1.198)", + "action_type": null, + "target_member": null, + "parameter_name": null, + "old_value": null, + "new_value": null, + "scale_factor": null + }, + { + "from_node": "node_3389", + "to_node": "node_3390", + "edge_type": "modification", + "reasoning": "Increase all_members thickness by 17%", + "metadata": null, + "grammar_action": "SCALE_PARAM(all_members, thickness, 1.167)", + "action_type": null, + "target_member": null, + "parameter_name": null, + "old_value": null, + "new_value": null, + "scale_factor": null + }, + { + "from_node": 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null, + "new_value": null, + "scale_factor": null + } + ] +} \ No newline at end of file