PorousFlowBrooksCorey.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 "MooseTypes.h"
 
namespace PorousFlowBrooksCorey
{
Real effectiveSaturation(Real pc, Real pe, Real lambda);
 
Real dEffectiveSaturation(Real pc, Real pe, Real lambda);
 
Real d2EffectiveSaturation(Real pc, Real pe, Real lambda);
 
Real capillaryPressure(Real seff, Real pe, Real lambda, Real pc_max);
 
Real dCapillaryPressure(Real seff, Real pe, Real lambda, Real pc_max);
 
Real d2CapillaryPressure(Real seff, Real pe, Real lambda, Real pc_max);
 
template <typename T>
T
relativePermeabilityW(const T & seff, Real lambda)
{
  if (MetaPhysicL::raw_value(seff) <= 0.0)
    return 0.0;
  else if (MetaPhysicL::raw_value(seff) >= 1.0)
    return 1.0;
 
  using std::pow;
  return pow(seff, (2.0 + 3.0 * lambda) / lambda);
}
 
Real dRelativePermeabilityW(Real seff, Real lambda);
 
template <typename T>
T
relativePermeabilityNW(const T & seff, Real lambda)
{
  if (MetaPhysicL::raw_value(seff) <= 0.0)
    return 0.0;
  else if (MetaPhysicL::raw_value(seff) >= 1.0)
    return 1.0;
 
  using std::pow;
  return seff * seff * (1.0 - pow(1.0 - seff, (2.0 + lambda) / lambda));
}
 
Real dRelativePermeabilityNW(Real seff, Real lambda);
}