ComputeLinearViscoelasticStress.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 "ComputeLinearElasticStress.h"
#include "LinearViscoelasticityBase.h"
 
class ComputeLinearViscoelasticStress : public ComputeLinearElasticStress
{
public:
  static InputParameters validParams();
 
  ComputeLinearViscoelasticStress(const InputParameters & parameters);
 
protected:
  virtual void initQpStatefulProperties() override;
  virtual void computeQpStress() override;
 
  MaterialProperty<RankTwoTensor> & _creep_strain;
  const MaterialProperty<RankTwoTensor> & _creep_strain_old;
 
  const MaterialProperty<RankTwoTensor> & _apparent_creep_strain;
  const MaterialProperty<RankFourTensor> & _apparent_elasticity_tensor;
  const MaterialProperty<RankFourTensor> & _elasticity_tensor_inv;
};