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2021-08-03

Nonlinear Material Behavior | Isotropic | Nonlinear Elastic (Members, Surfaces/Solids)

If you release a structural component with a nonlinear elastic material again, the strain goes back on the same path. In contrast to the Isotropic|Plastic material model, no strain is left when completely unloaded.

You can select three different definition types:

  • Standard (definition of the equivalent stress under which the material plastifies)
  • Bilinear (definition of the equivalent stress and strain hardening modulus)
  • Stress-Strain Diagram:
  • Definition of polygonal stress-strain diagram
  • Option to save / import the diagram
  • Interface with MS Excel

Background information about the orthotropic material model can be found in this technical article: Yield Laws in Isotropic Nonlinear Elastic Material Model .



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