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Hi experts,
I am doing elasto-plastic material but I am facing this error.
How to solve this problem? Please find the attach to know my model.
Thanks
I don't have Nastran here, but if you run the exact .bdf in OptiStruct, it will give you clear error messages:
It would be helpful to use OptiStruct instead.
*** INFORMATION # 4916 Hash-table based assembly turned on for LGDISP analysis with RBE2. *** ERROR # 3002 *** The first point (X1,Y1) specified on the TABLES1 bulk data entry ID=1 is not located at the origin of the stress-strain curve.
https://altairuniversity.com/wp-content/uploads/2016/10/1189_MATS1-definition-with-TYPSTRN-in-Optistruct1.pdf
As you're using TYPSTRAIN default value, which expects a full total stress x strain curve, the solver is erroring out.
You have provided only the plastic portion of the curve, meaning you should have used TYPESTRN = 1
Hi @Adriano A. Koga,
I tried to do this in OptiStruct already but now I want to try with Nastran solver.
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