problem_tracer_lowdim.hh

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#ifndef DUMUX_TEST_TPFAFACETCOUPLING_TRACER_LOWDIM_PROBLEM_HH
#define DUMUX_TEST_TPFAFACETCOUPLING_TRACER_LOWDIM_PROBLEM_HH
 
#include <dune/foamgrid/foamgrid.hh>
 
#include <dumux/discretization/box.hh>
#include <dumux/discretization/cctpfa.hh>
 
#include <dumux/porousmediumflow/tracer/model.hh>
#include <dumux/porousmediumflow/problem.hh>
 
#include <dumux/material/fluidsystems/base.hh>
 
#include "spatialparams_tracer.hh"
#include "tracerfluidsystem.hh"
#include "tracermodeltraits.hh"
 
namespace Dumux {
 
template <class TypeTag>
class TracerLowDimProblem;
 
namespace Properties {
// Create new type tags
namespace TTag {
struct TracerTestLowDim { using InheritsFrom = std::tuple<Tracer>; };
 
// define the type tags for both bulk and lowdim type tag here
struct TracerLowDimTpfa { using InheritsFrom = std::tuple<TracerTestLowDim, CCTpfaModel>; };
struct TracerLowDimMpfa { using InheritsFrom = std::tuple<TracerTestLowDim, CCTpfaModel>; };
struct TracerLowDimBox { using InheritsFrom = std::tuple<TracerTestLowDim, BoxModel>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::TracerTestLowDim> { using type = Dune::FoamGrid<1, 2>; };
 
// Set the problem property
template<class TypeTag>
struct Problem<TypeTag, TTag::TracerTestLowDim> { using type = TracerLowDimProblem<TypeTag>; };
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::TracerTestLowDim>
{
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using type = TracerSpatialParams<GridGeometry, Scalar>;
};
 
// Define whether mole(true) or mass (false) fractions are used
template<class TypeTag>
struct UseMoles<TypeTag, TTag::TracerTestLowDim> { static constexpr bool value = false; };

template<class TypeTag>
struct ModelTraits<TypeTag, TTag::TracerTestLowDim>
{
private:
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
public:
    using type = TracerTestModelTraits<FluidSystem::numComponents, getPropValue<TypeTag, Properties::UseMoles>()>;
};
 
// use the test-specific fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::TracerTestLowDim> { using type = TracerFluidSystem<TypeTag>; };
} // end namespace Properties
 

template <class TypeTag>
class TracerLowDimProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>;

    static constexpr bool useMoles = getPropValue<TypeTag, Properties::UseMoles>();
 
    using Element = typename GridGeometry::GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
public:
    using typename ParentType::SpatialParams;
 
    TracerLowDimProblem(std::shared_ptr<const GridGeometry> gridGeometry,
                      std::shared_ptr<SpatialParams> spatialParams,
                      std::shared_ptr<CouplingManager> couplingManager,
                      const std::string& paramGroup = "")
    : ParentType(gridGeometry, spatialParams, paramGroup)
    , couplingManagerPtr_(couplingManager)
    , aperture_(getParamFromGroup<Scalar>(paramGroup, "Problem.FractureAperture"))
    {
        // stating in the console whether mole or mass fractions are used
        const auto problemName = getParamFromGroup<std::string>(this->paramGroup(), "Problem.Name");
        std::cout<< "problem " << problemName << " uses " << (useMoles ? "mole" : "mass") << " fractions" << '\n';
        problemName_  =  getParamFromGroup<std::string>(this->paramGroup(), "Vtk.OutputName") + "_" + problemName;
    }

    const std::string& name() const
    { return problemName_; }

    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
        return values;
    }

    PrimaryVariables initialAtPos(const GlobalPosition &globalPos) const
    { return PrimaryVariables(0.0); }

    PrimaryVariables dirichletAtPos(const GlobalPosition &globalPos) const
    { return initialAtPos(globalPos); }

    template<class ElementVolumeVariables, class SubControlVolume>
    NumEqVector source(const Element& element,
                       const FVElementGeometry& fvGeometry,
                       const ElementVolumeVariables& elemVolVars,
                       const SubControlVolume& scv) const
    {
        // evaluate sources from bulk domain
        auto source = couplingManagerPtr_->evalSourcesFromBulk(element, fvGeometry, elemVolVars, scv);
        source /= scv.volume()*elemVolVars[scv].extrusionFactor();
        return source;
    }

    template<class ElementVolumeVariables, class ElementFluxVarsCache>
    NumEqVector neumann(const Element& element,
                        const FVElementGeometry& fvGeometry,
                        const ElementVolumeVariables& elemVolVars,
                        const ElementFluxVarsCache& elemFluxVarsCache,
                        const SubControlVolumeFace& scvf) const
    {
        // get the volume flux on this segment
        const auto flux = this->spatialParams().volumeFlux(element, fvGeometry, elemVolVars, scvf);
        if (flux > 0.0)
        {
            const auto& insideVolVars = elemVolVars[fvGeometry.scv(scvf.insideScvIdx())];
            const auto tracerFlux = insideVolVars.massFraction(/*phaseIdx*/0, /*compIdx*/0)*flux;
            return NumEqVector(tracerFlux);
        }
 
        return NumEqVector(0.0);
    }

    Scalar extrusionFactorAtPos(const GlobalPosition& globalPos) const
    { return aperture_; }

    const CouplingManager& couplingManager() const
    { return *couplingManagerPtr_; }
 
private:
    std::shared_ptr<CouplingManager> couplingManagerPtr_;
    Scalar aperture_;
    std::string problemName_;
};
 
} // end namespace Dumux
 
#endif