porousmediumflow/immiscible/localresidual.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-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_IMMISCIBLE_LOCAL_RESIDUAL_HH
#define DUMUX_IMMISCIBLE_LOCAL_RESIDUAL_HH
 
#include <dumux/common/properties.hh>
#include <dumux/common/numeqvector.hh>
#include <dumux/discretization/defaultlocaloperator.hh>
 
namespace Dumux {
 
template<class TypeTag>
class ImmiscibleLocalResidual
: public DiscretizationDefaultLocalOperator<TypeTag>
{
    using ThisType = ImmiscibleLocalResidual<TypeTag>;
    using ParentType = DiscretizationDefaultLocalOperator<TypeTag>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using NumEqVector = Dumux::NumEqVector<GetPropType<TypeTag, Properties::PrimaryVariables>>;
    using VolumeVariables = GetPropType<TypeTag, Properties::VolumeVariables>;
    using ElementVolumeVariables = typename GetPropType<TypeTag, Properties::GridVolumeVariables>::LocalView;
    using FluxVariables = GetPropType<TypeTag, Properties::FluxVariables>;
    using ElementFluxVariablesCache = typename GetPropType<TypeTag, Properties::GridFluxVariablesCache>::LocalView;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using GridView = typename GridGeometry::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using EnergyLocalResidual = GetPropType<TypeTag, Properties::EnergyLocalResidual>;
 
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
    static constexpr int numPhases = ModelTraits::numFluidPhases();
    static constexpr int conti0EqIdx = ModelTraits::Indices::conti0EqIdx; 
 
public:
    using ParentType::ParentType;
 
    NumEqVector computeStorage(const Problem& problem,
                               const SubControlVolume& scv,
                               const VolumeVariables& volVars) const
    {
        // partial time derivative of the phase mass
        NumEqVector storage;
        for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx)
        {
            auto eqIdx = conti0EqIdx + phaseIdx;
            storage[eqIdx] = volVars.porosity()
                             * volVars.density(phaseIdx)
                             * volVars.saturation(phaseIdx);
 
            EnergyLocalResidual::fluidPhaseStorage(storage, problem, scv, volVars, phaseIdx);
        }
 
        EnergyLocalResidual::solidPhaseStorage(storage, scv, volVars);
 
        return storage;
    }
 
 
    NumEqVector computeFlux(const Problem& problem,
                            const Element& element,
                            const FVElementGeometry& fvGeometry,
                            const ElementVolumeVariables& elemVolVars,
                            const SubControlVolumeFace& scvf,
                            const ElementFluxVariablesCache& elemFluxVarsCache) const
    {
        FluxVariables fluxVars;
        fluxVars.init(problem, element, fvGeometry, elemVolVars, scvf, elemFluxVarsCache);
 
        NumEqVector flux;
        for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx)
        {
            // the physical quantities for which we perform upwinding
            auto upwindTerm = [phaseIdx](const auto& volVars)
                              { return volVars.density(phaseIdx)*volVars.mobility(phaseIdx); };
 
            auto eqIdx = conti0EqIdx + phaseIdx;
            flux[eqIdx] = fluxVars.advectiveFlux(phaseIdx, upwindTerm);
 
            EnergyLocalResidual::heatConvectionFlux(flux, fluxVars, phaseIdx);
        }
 
        EnergyLocalResidual::heatConductionFlux(flux, fluxVars);
 
        return flux;
    }
};
 
} // end namespace Dumux
 
#endif