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Nastran 3D orthotropic Material
I am trying to create 3d orthotropic material for composite solid elements.First question C23 semms right in patran interface when i look into stiffness matrix but C23 changes in exported bdf. My second question is Nastran takes C44=G12, C55=G23 and C66=G31 but in composite material books it is...- Emir Yasin Oztekin
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- Forum: Finite Element Analysis (FEA) engineering
