EquilInitializer.hpp

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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:
/*
  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/>.

  Consult the COPYING file in the top-level source directory of this
  module for the precise wording of the license and the list of
  copyright holders.
*/
#ifndef OPM_EQUIL_INITIALIZER_HPP
#define OPM_EQUIL_INITIALIZER_HPP

#include <opm/grid/common/CartesianIndexMapper.hpp>

#include <opm/material/fluidmatrixinteractions/EclMaterialLawManager.hpp>
#include <opm/material/fluidstates/BlackOilFluidState.hpp>

#include <opm/models/blackoil/blackoilproperties.hh>
#include <opm/models/discretization/common/fvbaseproperties.hh>
#include <opm/models/utils/propertysystem.hh>

#include <opm/simulators/flow/equil/InitStateEquil.hpp>

#include <limits>
#include <vector>

namespace Opm {

template <class TypeTag>
class EquilInitializer
{
    using Simulator = GetPropType<TypeTag, Properties::Simulator>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using MaterialLaw = GetPropType<TypeTag, Properties::MaterialLaw>;
    using Indices = GetPropType<TypeTag, Properties::Indices>;

    enum { numPhases = FluidSystem::numPhases };
    enum { oilPhaseIdx = FluidSystem::oilPhaseIdx };
    enum { gasPhaseIdx = FluidSystem::gasPhaseIdx };
    enum { waterPhaseIdx = FluidSystem::waterPhaseIdx };

    enum { numComponents = FluidSystem::numComponents };
    enum { oilCompIdx = FluidSystem::oilCompIdx };
    enum { gasCompIdx = FluidSystem::gasCompIdx };
    enum { waterCompIdx = FluidSystem::waterCompIdx };

    enum { dimWorld = GridView::dimensionworld };
    static constexpr bool enableDissolution =
        Indices::compositionSwitchIdx != std::numeric_limits<unsigned>::max();
    static constexpr bool enableBrine = getPropValue<TypeTag, Properties::EnableBrine>();
    enum { enableVapwat = getPropValue<TypeTag, Properties::EnableVapwat>() };
    enum { enableSaltPrecipitation = getPropValue<TypeTag, Properties::EnableSaltPrecipitation>() };
    enum { enableDisgasInWater = getPropValue<TypeTag, Properties::EnableDisgasInWater>() };
    static constexpr bool enableDissolvedGas =
        Indices::compositionSwitchIdx != std::numeric_limits<unsigned>::max();
    static constexpr bool enableSolvent = getPropValue<TypeTag, Properties::EnableSolvent>();
    static constexpr EnergyModules energyModuleType = getPropValue<TypeTag, Properties::EnergyModuleType>();

public:
    // NB: setting the enableEnergy argument to true enables storage of enthalpy and
    // internal energy!
    using ScalarFluidState = BlackOilFluidState<Scalar,
                                                FluidSystem,
                                                energyModuleType != EnergyModules::NoTemperature,
                                                energyModuleType == EnergyModules::FullyImplicitThermal,
                                                enableDissolution,
                                                enableVapwat,
                                                enableBrine,
                                                enableSaltPrecipitation,
                                                enableDisgasInWater,
                                                enableSolvent,
                                                Indices::numPhases>;


    template <class EclMaterialLawManager>
    EquilInitializer(const Simulator& simulator,
                     EclMaterialLawManager& materialLawManager)
        : simulator_(simulator)
    {
        const auto& vanguard = simulator.vanguard();
        const auto& eclState = vanguard.eclState();

        unsigned numElems = vanguard.grid().size(0);
        using ElementMapper = GetPropType<TypeTag, Properties::ElementMapper>;
        using Grid = GetPropType<TypeTag, Properties::Grid>;
        using CartesianIndexMapper = Dune::CartesianIndexMapper<Grid>;
        using Initializer = EQUIL::DeckDependent::InitialStateComputer<FluidSystem,
                                                                       Grid,
                                                                       GridView,
                                                                       ElementMapper,
                                                                       CartesianIndexMapper>;

        Initializer initialState(materialLawManager,
                                 eclState,
                                 vanguard.grid(),
                                 vanguard.gridView(),
                                 vanguard.cartesianMapper(),
                                 simulator.problem().gravity()[dimWorld - 1],
                                 simulator.problem().numPressurePointsEquil());

        // copy the result into the array of initial fluid states
        initialFluidStates_.resize(numElems);
        for (unsigned int elemIdx = 0; elemIdx < numElems; ++elemIdx) {
            auto& fluidState = initialFluidStates_[elemIdx];

            // get the PVT region index of the current element
            unsigned regionIdx = simulator_.problem().pvtRegionIndex(elemIdx);
            fluidState.setPvtRegionIndex(regionIdx);

            // set the phase saturations
            for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
                if (FluidSystem::phaseIsActive(phaseIdx))
                    fluidState.setSaturation(phaseIdx, initialState.saturation()[phaseIdx][elemIdx]);
                else if (Indices::numPhases == 3)
                    fluidState.setSaturation(phaseIdx, 0.0);
            }

            if constexpr (enableDissolvedGas) {
                if (FluidSystem::enableDissolvedGas())
                    fluidState.setRs(initialState.rs()[elemIdx]);
                else if (Indices::gasEnabled && Indices::oilEnabled)
                    fluidState.setRs(0.0);
                if (FluidSystem::enableVaporizedOil())
                    fluidState.setRv(initialState.rv()[elemIdx]);
                else if (Indices::gasEnabled && Indices::oilEnabled)
                    fluidState.setRv(0.0);
            }

            if constexpr (enableVapwat) {
                if (FluidSystem::enableVaporizedWater())
                    fluidState.setRvw(initialState.rvw()[elemIdx]);
            }

            // set the temperature.
            if constexpr (energyModuleType != EnergyModules::NoTemperature)
                fluidState.setTemperature(initialState.temperature()[elemIdx]);

            // set the phase pressures, invB factor and density
            for (unsigned phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
                if (!FluidSystem::phaseIsActive(phaseIdx))
                    continue;
                fluidState.setPressure(phaseIdx, initialState.press()[phaseIdx][elemIdx]);

                const auto& b = FluidSystem::inverseFormationVolumeFactor(fluidState, phaseIdx, regionIdx);
                fluidState.setInvB(phaseIdx, b);

                const auto& rho = FluidSystem::density(fluidState, phaseIdx, regionIdx);
                fluidState.setDensity(phaseIdx, rho);

                if constexpr (energyModuleType == EnergyModules::FullyImplicitThermal) {
                    const auto& h = FluidSystem::enthalpy(fluidState, phaseIdx, regionIdx);
                    fluidState.setEnthalpy(phaseIdx, h);
                }
            }

            // set the salt concentration
            if constexpr (enableBrine)
                fluidState.setSaltConcentration(initialState.saltConcentration()[elemIdx]);

            //set the (solid) salt saturation
            if constexpr (enableSaltPrecipitation)
                fluidState.setSaltSaturation(initialState.saltSaturation()[elemIdx]);
        }
    }

    const ScalarFluidState& initialFluidState(unsigned elemIdx) const
    {
        return initialFluidStates_[elemIdx];
    }

protected:
    const Simulator& simulator_;

    std::vector<ScalarFluidState> initialFluidStates_;
};
} // namespace Opm

#endif // OPM_EQUIL_INITIALIZER_HPP