Answer:
The RF‑MAT NL add-on module is already integrated in RFEM 5. It is assumed that the following material models can be used:- Isotropic Plastic 1D
- Isotropic Plastic 2D/3D
- Isotropic Nonlinear Elastic 1D
- Isotropic Nonlinear Elastic 2D/3D
- Orthotropic Plastic 2D
- Orthotropic 3D Plastic
- Isotropic Masonry 2D
- Isotropic Damage 2D/3D