StrainEnergyDensity.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 "Material.h"
#include "DerivativeMaterialInterface.h"
 
template <typename>
class RankTwoTensorTempl;
typedef RankTwoTensorTempl<Real> RankTwoTensor;
 
class StrainEnergyDensity;
 
template <>
InputParameters validParams<StrainEnergyDensity>();
 
class StrainEnergyDensity : public DerivativeMaterialInterface<Material>
{
public:
  static InputParameters validParams();
 
  StrainEnergyDensity(const InputParameters & parameters);
 
  virtual void initQpStatefulProperties() override;
  virtual void initialSetup() override;
  virtual void computeQpProperties() override;
 
protected:
  const std::string _base_name;
 
  bool _incremental;
 
  MaterialProperty<Real> & _strain_energy_density;
  const MaterialProperty<Real> & _strain_energy_density_old;
 
  const MaterialProperty<RankTwoTensor> & _stress;
  const MaterialProperty<RankTwoTensor> & _stress_old;
 
  const MaterialProperty<RankTwoTensor> & _mechanical_strain;
 
  const MaterialProperty<RankTwoTensor> * _strain_increment;
};