Spring elements between two nodes are available by specifying -spring2 for element . The two nodes may have the same position in space for a spring. Spring elements at one node are available by specifying -spring1 for element . Contact spring elements between two nodes are available by specifying -contactspring for element . The two nodes may have the same position in space for a spring.
Truss elements are available by specifying -truss for element .
A truss always has two nodes, which it connects with a elongation stiffness. Beam elements are available by specifying -beam for element . A beam always has two nodes, which it connects with a bending stiffness. Combined trussbeam elements are available by specifying -trussbeam for element . This element always has two nodes, which it connects with a elongation stiffness and a bending stiffness.