ComputeHypoelasticStVenantKirchhoffStress.h

Go to the documentation of this file.

//* 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 "ComputeLagrangianObjectiveStress.h"
 
// Calculate a small strain elastic stress that is equivalent to the hyperelastic St.
// Venant-Kirchhoff model if integrated using the Truesdell rate.
//
// S_{n+1} = S_n + C : dD
// with C the current elasticity tensor, and dD the strain increment
class ComputeHypoelasticStVenantKirchhoffStress : public ComputeLagrangianObjectiveStress
{
public:
  static InputParameters validParams();
  ComputeHypoelasticStVenantKirchhoffStress(const InputParameters & parameters);
 
protected:
  virtual void computeQpSmallStress();
 
protected:
  const MaterialProperty<RankFourTensor> & _elasticity_tensor;
 
  const MaterialProperty<RankTwoTensor> & _def_grad;
};