pseudo1p2c.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_PSEUDO1P2C_FLUID_STATE_HH
#define DUMUX_PSEUDO1P2C_FLUID_STATE_HH
 
#include <cassert>
 
namespace Dumux {
 
template <class ScalarType, class FluidSystem>
class PseudoOnePTwoCFluidState
{
 
public:
    static constexpr int numPhases = FluidSystem::numPhases;
    static constexpr int numComponents = FluidSystem::numComponents;
 
    using Scalar = ScalarType;
 
    enum {
        phase0Idx = FluidSystem::phase0Idx,
        phase1Idx = FluidSystem::phase1Idx,
 
        comp0Idx = FluidSystem::comp0Idx,
        comp1Idx = FluidSystem::comp1Idx
    };
 
    Scalar saturation(int phaseIdx) const
    { return phaseIdx == presentPhaseIdx_ ? 1.0 : 0.0; }
 
    int presentPhaseIdx() const
    { return presentPhaseIdx_; }
 
    Scalar partialPressure(int compIdx) const
    { return partialPressure(phase1Idx, compIdx); }
 
    Scalar partialPressure(int phaseIdx, int compIdx) const
    {
        assert(FluidSystem::isGas(phaseIdx));
        return pressure(phaseIdx)*moleFraction(phaseIdx, compIdx);
    }
 
    Scalar pressure(int phaseIdx) const
    { return pressure_[phaseIdx]; }
 
    Scalar density(int phaseIdx) const
    { return phaseIdx == presentPhaseIdx_ ? density_ : 0.0; }
 
    Scalar molarDensity(int phaseIdx) const
    { return phaseIdx == presentPhaseIdx_ ? molarDensity_ : 0.0; }
 
    Scalar massFraction(int phaseIdx, int compIdx) const
    {
        if (phaseIdx != presentPhaseIdx_)
            return phaseIdx == compIdx ? 1.0 : 0.0;
 
        return compIdx == phase0Idx ? massFractionWater_ : 1.0 - massFractionWater_;
    }
 
    Scalar moleFraction(int phaseIdx, int compIdx) const
    {
        if (phaseIdx != presentPhaseIdx_)
            return phaseIdx == compIdx ? 1.0 : 0.0;
 
        return compIdx == phase0Idx ? moleFractionWater_ : 1.0 - moleFractionWater_;
    }
 
    Scalar viscosity(int phaseIdx) const
    {
        assert(phaseIdx == presentPhaseIdx_);
        return viscosity_;
    }
 
    Scalar averageMolarMass(int phaseIdx) const
    { return averageMolarMass_; }
 
    Scalar enthalpy(int phaseIdx) const
    { return phaseIdx == presentPhaseIdx_ ? enthalpy_ : 0.0; }
 
    Scalar internalEnergy(int phaseIdx) const
    { return phaseIdx == presentPhaseIdx_ ?  enthalpy_ - pressure(phaseIdx)/density(phaseIdx) : 0.0; }
 
    Scalar temperature(int phaseIdx) const
    { return temperature_; }
 
    void setViscosity(int phaseIdx, Scalar value)
    {
        assert(phaseIdx == presentPhaseIdx_);
        viscosity_ = value;
    }
 
    void setMassFraction(int phaseIdx, int compIdx, Scalar value)
    { massFractionWater_ = compIdx == comp0Idx ? value : 1.0 - value; }
 
    void setMoleFraction(int phaseIdx, int compIdx, Scalar value)
    { moleFractionWater_ = compIdx == comp0Idx ? value : 1.0 - value; }
 
    void setDensity(int phaseIdx, Scalar value)
    {
        assert(phaseIdx == presentPhaseIdx_);
        density_ = value;
    }
 
    void setMolarDensity(int phaseIdx, Scalar value)
    {
        assert(phaseIdx == presentPhaseIdx_);
        molarDensity_ = value;
    }
 
    void setPresentPhaseIdx(int phaseIdx)
    { presentPhaseIdx_ = phaseIdx; }
 
    void setTemperature(Scalar value)
    { temperature_ = value; }
 
    void setAverageMolarMass(int phaseIdx, Scalar value)
    { averageMolarMass_ = value; }
 
    void setPressure(int phaseIdx, Scalar value)
    { pressure_[phaseIdx] = value; }
 
    void setEnthalpy(int phaseIdx, Scalar value)
    {
        assert(phaseIdx == presentPhaseIdx_);
        enthalpy_ = value;
    }
 
protected:
    Scalar pressure_[numPhases] = {};
    Scalar massConcentration_[numComponents] = {};
    Scalar averageMolarMass_ = 0.0;
    Scalar massFractionWater_ = 0.0;
    Scalar moleFractionWater_ = 0.0;
    Scalar density_ = 0.0;
    Scalar molarDensity_ = 0.0;
    Scalar viscosity_  = 0.0;
    Scalar enthalpy_ = 0.0;
    Scalar temperature_ = 0.0;
    int presentPhaseIdx_ = 0;
};
 
} // end namespace Dumux
 
#endif