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  1. AminGh86

    Using two different USDFLD subroutines in a problem

    Thanks so much, I used the introduced format and it worked. Best regards, Amin
  2. AminGh86

    Using two different USDFLD subroutines in a problem

    Dear friends, Could anyone share any information about using two different usdfld subroutines (each for one material) at the same time in an analysis? Is there a specific format for using them in the same file? I searched and found a few formats but it seems they don't work for me. Thanks for...
  3. AminGh86

    Negative values of NDIR ?!!

    Any ideas yet?
  4. AminGh86

    Negative values of NDIR ?!!

    Dear friends, I am trying to get principal stresses via "vsprinc" inside a "VUSDFLD" subroutine, however while I run my model with the subroutine, I get this error: "Utility routine VSPRINC does not support tensors with NDIR=-228454389 and NSHR=2046." NDIR is the number direct stress components...

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