The following ERROR was detected: -4 Number of zero or negative pivots:***

Mugundhan_5995
Altair Community Member
I need the elastic constant for FRP honeycomb, so I just modeled and did a periodic mesh to the CAD, then imported it into MSD after entering the elastic constant for the fiber and entered the RUN option (during the run, the error has shown).
*IN LINEAR MATERIAL CHARACTERIZATION*
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Answers
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Hi Mugundan
You need to make sure that the mesh is periodic in xyz!
Easiest way to do that is to mesh 1/8th and reflect mesh in Hypermesh!
//Johan0