TensorMechanicsPlasticJ2.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 "TensorMechanicsPlasticModel.h"
#include "TensorMechanicsHardeningModel.h"
 
class TensorMechanicsPlasticJ2;
 
template <>
InputParameters validParams<TensorMechanicsPlasticJ2>();
 
class TensorMechanicsPlasticJ2 : public TensorMechanicsPlasticModel
{
public:
  static InputParameters validParams();
 
  TensorMechanicsPlasticJ2(const InputParameters & parameters);
 
  virtual std::string modelName() const override;
 
  virtual bool useCustomReturnMap() const override;
 
  virtual bool useCustomCTO() const override;
 
  virtual bool returnMap(const RankTwoTensor & trial_stress,
                         Real intnl_old,
                         const RankFourTensor & E_ijkl,
                         Real ep_plastic_tolerance,
                         RankTwoTensor & returned_stress,
                         Real & returned_intnl,
                         std::vector<Real> & dpm,
                         RankTwoTensor & delta_dp,
                         std::vector<Real> & yf,
                         bool & trial_stress_inadmissible) const override;
 
  virtual RankFourTensor
  consistentTangentOperator(const RankTwoTensor & trial_stress,
                            Real intnl_old,
                            const RankTwoTensor & stress,
                            Real intnl,
                            const RankFourTensor & E_ijkl,
                            const std::vector<Real> & cumulative_pm) const override;
 
protected:
  virtual Real yieldFunction(const RankTwoTensor & stress, Real intnl) const override;
 
  virtual RankTwoTensor dyieldFunction_dstress(const RankTwoTensor & stress,
                                               Real intnl) const override;
 
  Real dyieldFunction_dintnl(const RankTwoTensor & stress, Real intnl) const override;
 
  virtual RankTwoTensor flowPotential(const RankTwoTensor & stress, Real intnl) const override;
 
  virtual RankFourTensor dflowPotential_dstress(const RankTwoTensor & stress,
                                                Real intnl) const override;
 
  RankTwoTensor dflowPotential_dintnl(const RankTwoTensor & stress, Real intnl) const override;
 
  virtual Real yieldStrength(Real intnl) const;
 
  virtual Real dyieldStrength(Real intnl) const;
 
private:
  const TensorMechanicsHardeningModel & _strength;
 
  const unsigned _max_iters;
 
  const bool _use_custom_returnMap;
 
  const bool _use_custom_cto;
};