hookeai.simulators.fetorch.material.models.standard.lou.fo_dinv_sym

fo_dinv_sym(inv)

Derivative of inverse of symmetric second-order tensor w.r.t. to itself.

Parameters:

inv (torch.Tensor(2d)) – Inverse of symmetric second-order tensor.

Returns:

dinv – Derivative of inverse of symmetric second-order tensor w.r.t itself.

Return type:

torch.Tensor(4d)