RichardsDensityIdeal.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 "RichardsDensity.h"

class RichardsDensityIdeal : public RichardsDensity
{
public:
  static InputParameters validParams();

  RichardsDensityIdeal(const InputParameters & parameters);

  Real density(Real p) const;

  Real ddensity(Real /*p*/) const;

  Real d2density(Real /*p*/) const;

protected:
  Real _slope;

  Real _p0;
};