ComputeCreepPlasticityStress.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* 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 "ComputeMultipleInelasticStressBase.h"
#include "IsotropicPlasticityStressUpdate.h"
#include "PowerLawCreepStressUpdate.h"

class ComputeCreepPlasticityStress : public ComputeMultipleInelasticStressBase
{
public:
  static InputParameters validParams();

  ComputeCreepPlasticityStress(const InputParameters & parameters);

  virtual void initialSetup() override;

protected:
  virtual std::vector<MaterialName> getInelasticModelNames() override;

  virtual void updateQpState(RankTwoTensor & elastic_strain_increment,
                             RankTwoTensor & combined_inelastic_strain_increment) override;

  void computeStress(const RankTwoTensor & elastic_strain_increment, RankTwoTensor & stress);
  void computeTangentOperators();
  void computeInelasticStrainIncrements(Real effective_trial_stress,
                                        const RankTwoTensor & deviatoric_trial_stress);
  void finalizeConstitutiveModels();

  PowerLawCreepStressUpdate * _creep_model;
  IsotropicPlasticityStressUpdate * _plasticity_model;

  Real _effective_creep_strain_increment;
  Real _effective_plastic_strain_increment;

  std::array<RankTwoTensor, 2> _inelastic_strain_increment;
};