PorousFlowFluidStateFlash.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 "PorousFlowFluidStateBase.h"

class PorousFlowFluidStateFlash : public PorousFlowFluidStateBase
{
public:
  static InputParameters validParams();

  PorousFlowFluidStateFlash(const InputParameters & parameters);

  Real rachfordRice(Real vf, std::vector<Real> & Zi, std::vector<Real> & Ki) const;

  Real rachfordRiceDeriv(Real vf, std::vector<Real> & Zi, std::vector<Real> & Ki) const;

  Real vaporMassFraction(Real Z0, Real K0, Real K1) const;
  ADReal vaporMassFraction(const ADReal & Z0, const ADReal & K0, const ADReal & K1) const;
  Real vaporMassFraction(std::vector<Real> & Zi, std::vector<Real> & Ki) const;

protected:
  const Real _nr_max_its;
  const Real _nr_tol;
};