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  1. optimusLime

    Using an Abaqus UMAT in 2-D versus 3-D

    Oops. Turns out I'm still not used to Fortran's indexing and referred to what should have been the first item in PROPS (e.g. PROPS(1)) as PROPS(0). D'oh.
  2. optimusLime

    Using an Abaqus UMAT in 2-D versus 3-D

    Hello, I am in the process of learning how to implement a UMAT for my abaqus models. I am starting small - using a single element and implementing isotropic linear-elasiticity theory so I can easily confirm my answers. I have implemented this behavior successfully on a single C3D8 brick...

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