PlaneStrain.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 "Element.h"
#include "ScalarCoupleable.h"
 
namespace SolidMechanics
{
 
class PlaneStrain : public Element, public ScalarCoupleable
{
public:
  PlaneStrain(SolidModel & solid_model,
              const std::string & name,
              const InputParameters & parameters);
  virtual ~PlaneStrain();
 
protected:
  virtual void computeStrain(const unsigned qp,
                             const SymmTensor & total_strain_old,
                             SymmTensor & total_strain_new,
                             SymmTensor & strain_increment);
 
  virtual void computeDeformationGradient(unsigned int qp, ColumnMajorMatrix & F);
 
  virtual unsigned int getNumKnownCrackDirs() const { return 1; }
 
  const bool _large_strain;
 
  const VariableGradient & _grad_disp_x;
  const VariableGradient & _grad_disp_y;
  bool _have_strain_zz;
  const VariableValue & _strain_zz;
  bool _have_scalar_strain_zz;
  const VariableValue & _scalar_strain_zz;
  const bool _volumetric_locking_correction;
};
}