RankTwoTensor TensorMechanicsPlasticDruckerPrager::flowPotential(const RankTwoTensor & stress, Real intnl) const { Real bbb_flow; onlyB(intnl, dilation, bbb_flow); return df_dsig(stress, bbb_flow); }
RankTwoTensor TensorMechanicsPlasticWeakPlaneTensile::flowPotential(const RankTwoTensor & /*stress*/, const Real & /*intnl*/) const { RankTwoTensor df_dsig; df_dsig(2, 2) = 1.0; return df_dsig; }
RankTwoTensor TensorMechanicsPlasticWeakPlaneTensile::dyieldFunction_dstress(const RankTwoTensor & /*stress*/, const Real & /*intnl*/) const { RankTwoTensor df_dsig; df_dsig(2, 2) = 1.0; return df_dsig; }
RankTwoTensor TensorMechanicsPlasticDruckerPrager::dyieldFunction_dstress(const RankTwoTensor & stress, Real intnl) const { Real bbb; onlyB(intnl, friction, bbb); return df_dsig(stress, bbb); }
RankTwoTensor TensorMechanicsPlasticSimpleTester::dyieldFunction_dstress(const RankTwoTensor & /*stress*/, const Real & /*intnl*/) const { RankTwoTensor df_dsig; df_dsig(1, 1) = _a; df_dsig(2, 2) = _b; df_dsig(0, 0) = _c; df_dsig(0, 1) = _d/2.0; df_dsig(1, 0) = _d/2.0; df_dsig(0, 2) = _e/2.0; df_dsig(2, 0) = _e/2.0; df_dsig(1, 2) = _f/2.0; df_dsig(2, 1) = _f/2.0; return df_dsig; }
RankTwoTensor TensorMechanicsPlasticWeakPlaneShear::flowPotential(const RankTwoTensor & stress, const Real & intnl) const { return df_dsig(stress, tan_psi(intnl)); }
RankTwoTensor TensorMechanicsPlasticWeakPlaneShear::dyieldFunction_dstress(const RankTwoTensor & stress, const Real & intnl) const { return df_dsig(stress, tan_phi(intnl)); }
RankTwoTensor TensorMechanicsPlasticMeanCapTC::flowPotential(const RankTwoTensor & stress, Real intnl) const { return df_dsig(stress, intnl); }
RankTwoTensor TensorMechanicsPlasticMeanCapTC::dyieldFunction_dstress(const RankTwoTensor & stress, Real intnl) const { return df_dsig(stress, intnl); }
void TensorMechanicsPlasticMohrCoulombMulti::flowPotentialV(const RankTwoTensor & stress, Real intnl, std::vector<RankTwoTensor> & r) const { const Real sinpsi = std::sin(psi(intnl)); df_dsig(stress, sinpsi, r); }
void TensorMechanicsPlasticMohrCoulombMulti::dyieldFunction_dstressV(const RankTwoTensor & stress, Real intnl, std::vector<RankTwoTensor> & df_dstress) const { const Real sinphi = std::sin(phi(intnl)); df_dsig(stress, sinphi, df_dstress); }