Native interface for providing the 1st Piola Kirchhoff stress.
void computeQpPK1Stress() override
Provide for the actual PK stress update (just PK1)
static InputParameters validParams()
const MaterialProperty< RankFourTensor > & _dpk2_dF
2nd PK tangent (dS/dF)
const MaterialProperty< RankTwoTensor > & _pk2
2nd PK stress
const InputParameters & parameters() const
ComputeLagrangianStressCustomPK2(const InputParameters ¶meters)
Adapt a custom-defined PK2 stress and its Jacobian to provide the PK1 stress and its Jacobian...