48 std::vector<Real> & stress_params)
const override;
55 const std::vector<Real> & stress_params,
57 const std::vector<Real> & intnl,
62 virtual void preReturnMapV(
const std::vector<Real> & trial_stress_params,
64 const std::vector<Real> & intnl_old,
65 const std::vector<Real> & yf,
71 const std::vector<Real> & intnl,
72 std::vector<Real> & yf)
const override;
74 void computeAllQV(
const std::vector<Real> & stress_params,
75 const std::vector<Real> & intnl,
76 std::vector<yieldAndFlow> & all_q)
const override;
79 const std::vector<Real> & intnl_old,
80 std::vector<Real> & stress_params,
82 std::vector<Real> & intnl)
const override;
85 const std::vector<Real> & current_stress_params,
86 const std::vector<Real> & intnl_old,
87 std::vector<Real> & intnl)
const override;
90 const std::vector<Real> & current_stress_params,
91 const std::vector<Real> & intnl,
92 std::vector<std::vector<Real>> & dintnl)
const override;
95 const std::vector<Real> & trial_stress_params,
97 const std::vector<Real> & stress_params,
101 bool compute_full_tangent_operator,
102 const std::vector<std::vector<Real>> & dvar_dtrial,
TensileStressUpdate(const InputParameters ¶meters)
virtual void preReturnMapV(const std::vector< Real > &trial_stress_params, const RankTwoTensor &stress_trial, const std::vector< Real > &intnl_old, const std::vector< Real > &yf, const RankFourTensor &Eijkl) override
Derived classes may employ this function to record stuff or do other computations prior to the return...
virtual void consistentTangentOperatorV(const RankTwoTensor &stress_trial, const std::vector< Real > &trial_stress_params, const RankTwoTensor &stress, const std::vector< Real > &stress_params, Real gaE, const yieldAndFlow &smoothed_q, const RankFourTensor &Eijkl, bool compute_full_tangent_operator, const std::vector< std::vector< Real >> &dvar_dtrial, RankFourTensor &cto) override
Calculates the consistent tangent operator.
virtual Real dtensile_strength(const Real internal_param) const
d(tensile strength)/d(internal_param) as a function of residual value, rate, and internal_param ...
Struct designed to hold info about a single yield function and its derivatives, as well as the flow d...
TensileStressUpdate implements rate-independent associative tensile failure ("Rankine" plasticity) wi...
void setEffectiveElasticity(const RankFourTensor &Eijkl) override
Sets _Eij and _En and _Cij.
void initializeVarsV(const std::vector< Real > &trial_stress_params, const std::vector< Real > &intnl_old, std::vector< Real > &stress_params, Real &gaE, std::vector< Real > &intnl) const override
Sets (stress_params, intnl) at "good guesses" of the solution to the Return-Map algorithm.
const SolidMechanicsHardeningModel & _strength
Hardening model for tensile strength.
RankTwoTensor _eigvecs
Eigenvectors of the trial stress as a RankTwoTensor, in order to rotate the returned stress back to s...
void setIntnlDerivativesV(const std::vector< Real > &trial_stress_params, const std::vector< Real > ¤t_stress_params, const std::vector< Real > &intnl, std::vector< std::vector< Real >> &dintnl) const override
Sets the derivatives of internal parameters, based on the trial values of stress_params, their current values, and the current values of the internal parameters.
void computeAllQV(const std::vector< Real > &stress_params, const std::vector< Real > &intnl, std::vector< yieldAndFlow > &all_q) const override
Completely fills all_q with correct values.
void yieldFunctionValuesV(const std::vector< Real > &stress_params, const std::vector< Real > &intnl, std::vector< Real > &yf) const override
Computes the values of the yield functions, given stress_params and intnl parameters.
Hardening Model base class.
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
std::vector< RankFourTensor > d2stress_param_dstress(const RankTwoTensor &stress) const override
d2(stress_param[i])/d(stress)/d(stress) at given stress
const bool _perfect_guess
Whether to provide an estimate of the returned stress, based on perfect plasticity.
MultiParameterPlasticityStressUpdate performs the return-map algorithm and associated stress updates ...
static InputParameters validParams()
std::vector< RankTwoTensor > dstress_param_dstress(const RankTwoTensor &stress) const override
d(stress_param[i])/d(stress) at given stress
void setIntnlValuesV(const std::vector< Real > &trial_stress_params, const std::vector< Real > ¤t_stress_params, const std::vector< Real > &intnl_old, std::vector< Real > &intnl) const override
Sets the internal parameters based on the trial values of stress_params, their current values...
bool requiresIsotropicTensor() override
Does the model require the elasticity tensor to be isotropic?
const InputParameters & parameters() const
void computeStressParams(const RankTwoTensor &stress, std::vector< Real > &stress_params) const override
Computes stress_params, given stress.
virtual Real tensile_strength(const Real internal_param) const
tensile strength as a function of residual value, rate, and internal_param
virtual void setStressAfterReturnV(const RankTwoTensor &stress_trial, const std::vector< Real > &stress_params, Real gaE, const std::vector< Real > &intnl, const yieldAndFlow &smoothed_q, const RankFourTensor &Eijkl, RankTwoTensor &stress) const override
Sets stress from the admissible parameters.