安徽理工大学2015~2016学年第一学期 土木建筑学院硕士研究生课程《工程数值计算》试卷 专业 建筑与土木工程 学号 2015200288 姓名 杨子言 分数 一、三梁平面框架结构的有限元分析(30 如图1所示的框架结构,结构中各个截面的参数都为:E =3.010 11 Pa,I =6.510 。其顶端受均布力作用(28810N/m),侧向受一集中力作用(3000N),采用 ANSYS 有限元软件分析该结构的位移。要求附模型网格划分图、竖向位移图、 水平位移图和整理后的完整计算命令流。 注:采用的是 ANSYS14.5 单元采用 BEAM188 框架结构受力图网格划分图: 荷载条件: LIST NODAL FORCES SELECTEDNODES CURRENTLYSELECTED NODAL LOAD SET= FX FY FZ MX MY MZ NODE LABEL REAL IMAG FX3000.00000 0.00000000 LIST SURFACE LOADS ALLSELECTED LINES LINE LOAD LABEL VALI VALJ VAL2I VAL2J PRES-2880. -2880. 水平位移图: 竖直位移图: 命令流: /BATCH /COM,ANSYS RELEASE 14.5 UP20120918 22:18:51 03/21/2016 /input,menust,tmp,'' /GRA,POWER /GST,ON /PLO,INFO,3 /GRO,CURL,ON /CPLANE,1 /REPLOT,RESIZE WPSTYLE,,,,,,,,0 /REPLOT,RESIZE /NOPRKEYW,PR_SET,1 KEYW,PR_STRUC,1 KEYW,PR_THERM,0 KEYW,PR_FLUID,0 KEYW,PR_ELMAG,0 KEYW,MAGNOD,0 KEYW,MAGEDG,0 KEYW,MAGHFE,0 KEYW,MAGELC,0 KEYW,PR_MULTI,0 KEYW,PR_CFD,0 /GO /COM,/COM,Preferences GUIfiltering have been set display:/COM, Structural MPTEMP,,,,,,,,MPTEMP,1,0 MPDATA,EX,1,,3e11 MPDATA,PRXY,1,,0.3 SECTYPE, BEAM,RECT, SECOFFSET,CENT SECDATA,0.022,0.031,0,0,0,0,0,0,0,0,0,0 K,1,0,0,, K,2,1.44,0,, K,3,1.44,0.96,, K,4,0,0.96,, K,5,0,1,, K,6,2,0,, LSTR, FLST,5,2,4,ORDE,2FITEM,5,1 FITEM,5,3 CM,_Y,LINE LSEL, ,P51XCM,_Y1,LINE CMSEL,S,_Y CMSEL,S,_Y1LATT,1, CMSEL,S,_YCMDELE,_Y CMDELE,_Y1 CM,_Y,LINELSEL, CM,_Y1,LINECMSEL,S,_Y CMSEL,S,_Y1LATT,1, CMSEL,S,_YCMDELE,_Y CMDELE,_Y1 FLST,5,2,4,ORDE,2FITEM,5,1 FITEM,5,3 CM,_Y,LINE LSEL, ,P51XCM,_Y1,LINE CMSEL,,_Y FLST,5,1,4,ORDE,1FITEM,5,2 CM,_Y,LINE LSEL, ,P51XCM,_Y1,LINE CMSEL,,_Y FLST,2,3,4,ORDE,2FITEM,2,1 FITEM,2,-3 LMESH,P51X /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /GRAPHICS,FULL EPLOT /SHRINK,0/ESHAPE,1.0 /EFACET,1 /RATIO,1,1,1 /CFORMAT,32,0 /REPLOT /DIST,1,1.08222638492,1/REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /USER, 0.00000000000/REPLO /FOC, 0.00000000000/REPLO /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /FOC, 0.00000000000/REPLO /FOC, 0.00000000000/REPLO /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /FOC, 0.00000000000/REPLO /DIST,1,1.08222638492,1 /REP,FAST /RGB,INDEX,100,100,100, /RGB,INDEX,80, 80, 80,13 /RGB,INDEX, 60, 60, 60,14 /RGB,INDEX, 0,15/REPLOT /DIST,1,0.924021086472,1 /REP,FAST /FOC, 0.00000000000/REPLO /FOC, 0.00000000000/REPLO FINISH /SOL FLST,2,2,1,ORDE,2 FITEM,2,1 FITEM,2,32 /GOD,P51X, FLST,2,1,1,ORDE,1FITEM,2,2 /GOF,P51X,FX,3000 FLST,2,1,4,ORDE,1 FITEM,2,2 /GO SFL,P51X,PRES,2880,SFLDELE, 2,PRES FLST,2,1,4,ORDE,1 FITEM,2,2 /GO SFL,P51X,PRES,-2880,/DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST SFLDELE, 2,PRES /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST FLST,2,1,4,ORDE,1 FITEM,2,2 /GO SFL,P51X,PRES,-2880,FLIST, ALL SFLIS, ALL /REPLO /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /PSF,PRES,NORM,2,1,1/PBF,DEFA, /PSYMB,CS,0/PSYMB,NDIR,0 /PSYMB,ESYS,0 /PSYMB,LDIV,0 /PSYMB,LDIR,0 /PSYMB,ADIR,0 /PSYMB,ECON,0 /PSYMB,XNODE,0 /PSYMB,DOT,1 /PSYMB,PCONV, /PSYMB,LAYR,0 /PSYMB,FBCS,0 /DIST,1,1.08222638492,1/REP,FAST EPLOT /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /REPLO GPLOT /DIST,1,1.08222638492,1 /REP,FAST /DIST,1,0.924021086472,1 /REP,FAST /FOC, 0.00000000000/REPLO FLIST, ALL BFLIS, ALL SFLLI, ALL /STATUS,SOLU SOLVE FINISH /POST1 /EFACET,1PLNSOL, 0,1.0EPLOT /EFACET,1PLNSOL, 0,1.0EPLOT /EFACET,1PLNSOL, 0,1.0SAVE SAVE SAVE SAVE SAVE SAVE SAVE FINISH /EXIT,ALL二、受均匀载荷方形板的有限元分析(30 =1000N/m,同时在沿对角线轴上受一对集中压力,荷载为2000N。若取板厚 t=(288/1000)m,弹性模量 ,泊松比μ=0,采用ANSYS有限元软件分析 该结构的应力,可采用图 1/4模型进行简化计算。要求附模型网格划分图、X 方向应力图、Y方向应力图、Mises 等效应力图和整理后的完整计算命令流。