freeflow/compositional/staggered/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-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_FREEFLOW_NC_STAGGERED_LOCAL_RESIDUAL_HH
#define DUMUX_FREEFLOW_NC_STAGGERED_LOCAL_RESIDUAL_HH
 
#include <dumux/common/properties.hh>
#include <dumux/discretization/method.hh>
#include <dumux/freeflow/navierstokes/localresidual.hh>
 
namespace Dumux {
 
// forward declaration
template<class TypeTag, class DiscretizationMethod>
class FreeflowNCResidualImpl;
 
template<class TypeTag>
class FreeflowNCResidualImpl<TypeTag, DiscretizationMethods::Staggered>
: public NavierStokesResidual<TypeTag>
{
    using ParentType = NavierStokesResidual<TypeTag>;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using GridView = typename GridGeometry::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using FVElementGeometry = typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using CellCenterPrimaryVariables = GetPropType<TypeTag, Properties::CellCenterPrimaryVariables>;
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
 
    static constexpr int numComponents = ModelTraits::numFluidComponents();
    static constexpr bool useMoles = getPropValue<TypeTag, Properties::UseMoles>();
 
    using EnergyLocalResidual = typename ParentType::EnergyLocalResidual;
 
public:
    using ParentType::ParentType;
 
    template<class VolumeVariables>
    CellCenterPrimaryVariables computeStorageForCellCenter(const Problem& problem,
                                                           const SubControlVolume& scv,
                                                           const VolumeVariables& volVars) const
    {
        CellCenterPrimaryVariables storage(0.0);
 
        const Scalar density = useMoles ? volVars.molarDensity() : volVars.density();
 
        // compute storage term of all components
        for (int compIdx = 0; compIdx < numComponents; ++compIdx)
        {
            const int eqIdx = compIdx;
 
            const Scalar massOrMoleFraction = useMoles ? volVars.moleFraction(compIdx) : volVars.massFraction(compIdx);
            const Scalar s =  density * massOrMoleFraction;
 
            if (eqIdx != ModelTraits::replaceCompEqIdx())
                storage[eqIdx] += s;
        }
 
        // in case one balance is substituted by the total mass balance (use the mass density)
        if(ModelTraits::replaceCompEqIdx() < numComponents)
            storage[ModelTraits::replaceCompEqIdx()] = volVars.density();
 
        EnergyLocalResidual::fluidPhaseStorage(storage, volVars);
 
        return storage;
    }
};
} // end namespace Dumux
 
#endif