Answer:
There are two options for defining the failure:
- Assigning Member Nonlinearity: For the "Beam" and "Rigid" member types, you can define one member nonlinearity for each member. You can find the corresponding option in the "Settings" tab (see Image 01).
- Assigning Nonlinear Member Hinges: As an alternative, you can define a member hinge with the failure criterion for the member. For the desired degree of freedom, you can assign the hinge condition with nonlinearity accordingly (see Image 02).
