LS-Dyna push_forward_2s

jfriedlein / usrmat_LS-Dyna_Fortran

Basics to implement user-defined materials (usrmat, umat) in LS-Dyna with Fortran

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LS-Dyna push_forward_2s #2

Open jfriedlein opened 4 years ago

jfriedlein commented 4 years ago

The LS-Dyna internal function "push_forward_2s" seems to compute "defoGrad S defoGrad^T" missing the "1/det(defoGrad)*" for the stress push-forward from the Second Piola-Kirchhoff stress to the Cauchy stress.