CappedDruckerPragerStressUpdate.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "TwoParameterPlasticityStressUpdate.h"
#include "TensorMechanicsHardeningModel.h"
#include "TensorMechanicsPlasticDruckerPrager.h"
 
class CappedDruckerPragerStressUpdate;
 
template <>
InputParameters validParams<CappedDruckerPragerStressUpdate>();
 
class CappedDruckerPragerStressUpdate : public TwoParameterPlasticityStressUpdate
{
public:
  static InputParameters validParams();
 
  CappedDruckerPragerStressUpdate(const InputParameters & parameters);
 
  bool requiresIsotropicTensor() override { return true; }
 
  bool isIsotropic() override { return true; };
 
protected:
  const TensorMechanicsPlasticDruckerPrager & _dp;
 
  const TensorMechanicsHardeningModel & _tstrength;
 
  const TensorMechanicsHardeningModel & _cstrength;
 
  const Real _small_smoother2;
 
  const bool _perfect_guess;
 
  enum class StressReturnType
  {
    nothing_special,
    no_compression,
    no_tension
  } _stress_return_type;
 
  const bool _small_dilation;
 
  Real _in_q_trial;
 
  virtual void yieldFunctionValues(Real p,
                                   Real q,
                                   const std::vector<Real> & intnl,
                                   std::vector<Real> & yf) const override;
 
  virtual void computeAllQ(Real p,
                           Real q,
                           const std::vector<Real> & intnl,
                           std::vector<yieldAndFlow> & all_q) const override;
 
  virtual void preReturnMap(Real p_trial,
                            Real q_trial,
                            const RankTwoTensor & stress_trial,
                            const std::vector<Real> & intnl_old,
                            const std::vector<Real> & yf,
                            const RankFourTensor & Eijkl) override;
 
  virtual void initializeVars(Real p_trial,
                              Real q_trial,
                              const std::vector<Real> & intnl_old,
                              Real & p,
                              Real & q,
                              Real & gaE,
                              std::vector<Real> & intnl) const override;
 
  virtual void setIntnlValues(Real p_trial,
                              Real q_trial,
                              Real p,
                              Real q,
                              const std::vector<Real> & intnl_old,
                              std::vector<Real> & intnl) const override;
 
  virtual void setIntnlDerivatives(Real p_trial,
                                   Real q_trial,
                                   Real p,
                                   Real q,
                                   const std::vector<Real> & intnl,
                                   std::vector<std::vector<Real>> & dintnl) const override;
 
  virtual void computePQ(const RankTwoTensor & stress, Real & p, Real & q) const override;
 
  virtual void initializeReturnProcess() override;
 
  virtual void finalizeReturnProcess(const RankTwoTensor & rotation_increment) override;
 
  virtual void setEppEqq(const RankFourTensor & Eijkl, Real & Epp, Real & Eqq) const override;
 
  virtual void setStressAfterReturn(const RankTwoTensor & stress_trial,
                                    Real p_ok,
                                    Real q_ok,
                                    Real gaE,
                                    const std::vector<Real> & intnl,
                                    const yieldAndFlow & smoothed_q,
                                    const RankFourTensor & Eijkl,
                                    RankTwoTensor & stress) const override;
 
  virtual void consistentTangentOperator(const RankTwoTensor & stress_trial,
                                         Real p_trial,
                                         Real q_trial,
                                         const RankTwoTensor & stress,
                                         Real p,
                                         Real q,
                                         Real gaE,
                                         const yieldAndFlow & smoothed_q,
                                         const RankFourTensor & Eijkl,
                                         bool compute_full_tangent_operator,
                                         RankFourTensor & cto) const override;
 
  virtual RankTwoTensor dpdstress(const RankTwoTensor & stress) const override;
 
  virtual RankFourTensor d2pdstress2(const RankTwoTensor & stress) const override;
 
  virtual RankTwoTensor dqdstress(const RankTwoTensor & stress) const override;
 
  virtual RankFourTensor d2qdstress2(const RankTwoTensor & stress) const override;
};