HEVPFlowRatePowerLawJ2.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 "HEVPFlowRateUOBase.h"
 
class HEVPFlowRatePowerLawJ2 : public HEVPFlowRateUOBase
{
public:
  static InputParameters validParams();
 
  HEVPFlowRatePowerLawJ2(const InputParameters & parameters);
 
  virtual bool computeValue(unsigned int, Real &) const;
  virtual bool computeDirection(unsigned int, RankTwoTensor &) const;
  virtual bool computeDerivative(unsigned int, const std::string &, Real &) const;
  virtual bool computeTensorDerivative(unsigned int, const std::string &, RankTwoTensor &) const;
 
protected:
  Real _ref_flow_rate;
  Real _flow_rate_exponent;
  Real _flow_rate_tol;
 
  RankTwoTensor computePK2Deviatoric(const RankTwoTensor &, const RankTwoTensor &) const;
  Real computeEqvStress(const RankTwoTensor &, const RankTwoTensor &) const;
};