Dear Friends,
I am doing some simulations with Abaqus/EXPLICIT 6.2 and trying to get void ratio with cap plasticity. However, I get the following problem
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***ERROR: OUTPUT REQUEST VOIDR IS NOT AVAILABLE FOR THIS OPTION
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when I use...
Hi, I am learning to simulate powder compaction with Drucker-Prager-cap model. And got the follwoing error messages. Does anyone know the possible reasons that cause this problem. Thank you very much!
***WARNING: THE SYSTEM MATRIX HAS 3 NEGATIVE EIGENVALUES.
IN AN EIGENVALUE EXTRACTION...