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Ansys Learning Forum Forums Discuss Simulation LS Dyna Checking stress value in LS-DYNA user-defined material (UMAT) by hsv? Reply To: Checking stress value in LS-DYNA user-defined material (UMAT) by hsv?

Andreas Koutras
Ansys Employee

Hello,

Have you set NHV = 4 on the *MAT_USER_DEFINED_MATERIAL_MODELS card?

You can include a write statement in the subroutine to print the sig and hsv values in an ascii file and compare them directly.