RichardsSeff1BWsmall.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 "RichardsSeff.h"
 
class RichardsSeff1BWsmall;
 
template <>
InputParameters validParams<RichardsSeff1BWsmall>();
 
class RichardsSeff1BWsmall : public RichardsSeff
{
public:
  RichardsSeff1BWsmall(const InputParameters & parameters);
 
  Real LambertW(const double z) const;
 
  Real seff(std::vector<const VariableValue *> p, unsigned int qp) const;
 
  void
  dseff(std::vector<const VariableValue *> p, unsigned int qp, std::vector<Real> & result) const;
 
  void d2seff(std::vector<const VariableValue *> p,
              unsigned int qp,
              std::vector<std::vector<Real>> & result) const;
 
protected:
  Real _sn;
 
  Real _ss;
 
  Real _c;
 
  Real _las;
};