StressDivergence.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 "Kernel.h"
 
// Forward Declarations
class StressDivergence;
class SymmElasticityTensor;
class SymmTensor;
 
template <>
InputParameters validParams<StressDivergence>();
 
class StressDivergence : public Kernel
{
public:
  StressDivergence(const InputParameters & parameters);
 
protected:
  virtual void computeResidual() override;
  virtual void computeJacobian() override;
  virtual void computeOffDiagJacobian(MooseVariableFEBase & jvar) override;
  using Kernel::computeOffDiagJacobian;
 
  virtual Real computeQpResidual() override;
 
  virtual Real computeQpJacobian() override;
 
  virtual Real computeQpOffDiagJacobian(unsigned int jvar) override;
 
  const MaterialProperty<SymmTensor> & _stress_older;
  const MaterialProperty<SymmTensor> & _stress_old;
  const MaterialProperty<SymmTensor> & _stress;
  const MaterialProperty<SymmElasticityTensor> & _Jacobian_mult;
  const MaterialProperty<SymmTensor> & _d_stress_dT;
 
private:
  const unsigned int _component;
 
  const bool _xdisp_coupled;
  const bool _ydisp_coupled;
  const bool _zdisp_coupled;
  const bool _temp_coupled;
 
  const unsigned int _xdisp_var;
  const unsigned int _ydisp_var;
  const unsigned int _zdisp_var;
  const unsigned int _temp_var;
  const Real _zeta;
  const Real _alpha;
  std::vector<std::vector<Real>> _avg_grad_test;
  std::vector<std::vector<Real>> _avg_grad_phi;
  bool _volumetric_locking_correction;
};