immiscibleprimaryvariables.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:
/*
  Copyright (C) 2009-2013 by Andreas Lauser

  This file is part of the Open Porous Media project (OPM).

  OPM is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 2 of the License, or
  (at your option) any later version.

  OPM is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with OPM.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EWOMS_IMMISCIBLE_PRIMARY_VARIABLES_HH
#define EWOMS_IMMISCIBLE_PRIMARY_VARIABLES_HH

#include "immiscibleproperties.hh"

#include <ewoms/disc/common/fvbaseprimaryvariables.hh>
#include <ewoms/models/common/energymodule.hh>

#include <opm/material/constraintsolvers/ImmiscibleFlash.hpp>
#include <opm/material/fluidstates/ImmiscibleFluidState.hpp>

#include <dune/common/fvector.hh>

namespace Ewoms {

template <class TypeTag>
class ImmisciblePrimaryVariables : public FvBasePrimaryVariables<TypeTag>
{
    typedef FvBasePrimaryVariables<TypeTag> ParentType;

    typedef typename GET_PROP_TYPE(TypeTag, Scalar) Scalar;
    typedef typename GET_PROP_TYPE(TypeTag, Evaluation) Evaluation;
    typedef typename GET_PROP_TYPE(TypeTag, PrimaryVariables) Implementation;
    typedef typename GET_PROP_TYPE(TypeTag, FluidSystem) FluidSystem;
    typedef typename GET_PROP_TYPE(TypeTag, MaterialLaw) MaterialLaw;
    typedef typename GET_PROP_TYPE(TypeTag, MaterialLawParams) MaterialLawParams;

    typedef typename GET_PROP_TYPE(TypeTag, Indices) Indices;

    // primary variable indices
    enum { pressure0Idx = Indices::pressure0Idx };
    enum { saturation0Idx = Indices::saturation0Idx };

    enum { numPhases = GET_PROP_VALUE(TypeTag, NumPhases) };
    enum { numComponents = GET_PROP_VALUE(TypeTag, NumComponents) };

    typedef typename Opm::MathToolbox<Evaluation> Toolbox;
    typedef Dune::FieldVector<Scalar, numComponents> ComponentVector;
    typedef Opm::ImmiscibleFlash<Scalar, FluidSystem> ImmiscibleFlash;
    typedef Ewoms::EnergyModule<TypeTag, GET_PROP_VALUE(TypeTag, EnableEnergy)> EnergyModule;

public:
    ImmisciblePrimaryVariables() : ParentType()
    { Valgrind::SetUndefined(*this); }

    ImmisciblePrimaryVariables(Scalar value) : ParentType(value)
    {}

    ImmisciblePrimaryVariables(const ImmisciblePrimaryVariables &value)
        : ParentType(value)
    {}

    template <class FluidState>
    void assignMassConservative(const FluidState &fluidState,
                                const MaterialLawParams &matParams,
                                bool isInEquilibrium = false)
    {
        ComponentVector globalMolarities(0.0);
        for (int compIdx = 0; compIdx < numComponents; ++compIdx) {
            for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
                globalMolarities[compIdx] +=
                    fluidState.molarity(phaseIdx, compIdx) * fluidState.saturation(phaseIdx);
            }
        }

        Opm::ImmiscibleFluidState<Scalar, FluidSystem> fsFlash;
        fsFlash.assign(fluidState);
        typename FluidSystem::ParameterCache paramCache;
        ImmiscibleFlash::template solve<MaterialLaw>(fsFlash,
                                                     paramCache,
                                                     matParams,
                                                     globalMolarities);

        assignNaive(fsFlash);
    }

    template <class FluidState>
    void assignNaive(const FluidState &fluidState)
    {
        // assign the phase temperatures. this is out-sourced to
        // the energy module
        EnergyModule::setPriVarTemperatures(asImp_(), fluidState);

        (*this)[pressure0Idx] = fluidState.pressure(/*phaseIdx=*/0);
        for (int phaseIdx = 0; phaseIdx < numPhases - 1; ++phaseIdx)
            (*this)[saturation0Idx + phaseIdx] = fluidState.saturation(phaseIdx);
    }

private:
    Implementation &asImp_()
    { return *static_cast<Implementation *>(this); }
};

} // namespace Ewoms

#endif