test/porousmediumflow/2p/implicit/boxdfm/problem.hh

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#ifndef DUMUX_INCOMPRESSIBLE_TWOPBOXDFM_TEST_PROBLEM_HH
#define DUMUX_INCOMPRESSIBLE_TWOPBOXDFM_TEST_PROBLEM_HH
 
#if HAVE_DUNE_ALUGRID
#include <dune/alugrid/grid.hh>
#endif
#if HAVE_UG
#include <dune/grid/uggrid.hh>
#endif
#include <dune/grid/yaspgrid.hh>
 
#include <dumux/material/components/trichloroethene.hh>
#include <dumux/material/components/simpleh2o.hh>
#include <dumux/material/fluidsystems/1pliquid.hh>
#include <dumux/material/fluidsystems/2pimmiscible.hh>
 
#include <dumux/porousmediumflow/problem.hh>
#include <dumux/porousmediumflow/2p/model.hh>
#include <dumux/porousmediumflow/boxdfm/model.hh>
#include <dumux/porousmediumflow/2p/incompressiblelocalresidual.hh>
 
#include "spatialparams.hh"
 
#ifndef GRIDTYPE
#define GRIDTYPE Dune::ALUGrid<2, 2, Dune::simplex, Dune::conforming>;
#endif
 
namespace Dumux {
 
// forward declarations
template<class TypeTag> class TwoPTestProblem;
 
namespace Properties {
 
// we need to derive first from twop and then from the box-dfm Model
// because the flux variables cache type of TwoP is overwritten in BoxDfmModel
// Create new type tags
namespace TTag {
struct TwoPIncompressibleBoxDfm { using InheritsFrom = std::tuple<BoxDfmModel, TwoP>; };
} // end namespace TTag
 
// Set the grid type
template<class TypeTag>
struct Grid<TypeTag, TTag::TwoPIncompressibleBoxDfm> { using type = GRIDTYPE; };
 
// Set the problem type
template<class TypeTag>
struct Problem<TypeTag, TTag::TwoPIncompressibleBoxDfm> { using type = TwoPTestProblem<TypeTag>; };
 
// Set the spatial parameters
template<class TypeTag>
struct SpatialParams<TypeTag, TTag::TwoPIncompressibleBoxDfm>
{
private:
    using FVG = GetPropType<TypeTag, Properties::GridGeometry>;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
public:
    using type = TwoPTestSpatialParams<FVG, Scalar>;
};
 
// the local residual containing the analytic derivative methods
template<class TypeTag>
struct LocalResidual<TypeTag, TTag::TwoPIncompressibleBoxDfm> { using type = TwoPIncompressibleLocalResidual<TypeTag>; };
 
// Set the fluid system
template<class TypeTag>
struct FluidSystem<TypeTag, TTag::TwoPIncompressibleBoxDfm>
{
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using WettingPhase = FluidSystems::OnePLiquid<Scalar, Components::SimpleH2O<Scalar> >;
    using NonwettingPhase = FluidSystems::OnePLiquid<Scalar, Components::Trichloroethene<Scalar> >;
    using type = FluidSystems::TwoPImmiscible<Scalar, WettingPhase, NonwettingPhase>;
};
 
// Enable caching
template<class TypeTag>
struct EnableGridVolumeVariablesCache<TypeTag, TTag::TwoPIncompressibleBoxDfm> { static constexpr bool value = false; };
template<class TypeTag>
struct EnableGridFluxVariablesCache<TypeTag, TTag::TwoPIncompressibleBoxDfm> { static constexpr bool value = false; };
template<class TypeTag>
struct EnableGridGeometryCache<TypeTag, TTag::TwoPIncompressibleBoxDfm> { static constexpr bool value = false; };
 
// Enable the box-interface solver
template<class TypeTag>
struct EnableBoxInterfaceSolver<TypeTag, TTag::TwoPIncompressibleBoxDfm> { static constexpr bool value = true; };
} // end namespace Properties
 
template<class TypeTag>
class TwoPTestProblem : public PorousMediumFlowProblem<TypeTag>
{
    using ParentType = PorousMediumFlowProblem<TypeTag>;
 
    using GridView = GetPropType<TypeTag, Properties::GridView>;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using PrimaryVariables = GetPropType<TypeTag, Properties::PrimaryVariables>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using BoundaryTypes = GetPropType<TypeTag, Properties::BoundaryTypes>;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
 
    // some indices for convenience
    using FluidSystem = GetPropType<TypeTag, Properties::FluidSystem>;
    using Indices = typename GetPropType<TypeTag, Properties::ModelTraits>::Indices;
    enum
    {
        pressureH2OIdx = Indices::pressureIdx,
        saturationDNAPLIdx = Indices::saturationIdx,
        contiDNAPLEqIdx = Indices::conti0EqIdx + FluidSystem::comp1Idx,
        waterPhaseIdx = FluidSystem::phase0Idx,
        dnaplPhaseIdx = FluidSystem::phase1Idx
    };
 
    static constexpr Scalar eps_ = 1e-6;
    static constexpr int dimWorld = GridView::dimensionworld;
 
public:
    TwoPTestProblem(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {}
 
    template<class ElementSolution>
    Scalar extrusionFactor(const Element& element,
                           const SubControlVolume& scv,
                           const ElementSolution& elemSol) const
    {
        // In the box-scheme, we compute fluxes etc element-wise,
        // thus per element we compute only half a fracture !!!
        static const Scalar aHalf = getParam<Scalar>("SpatialParams.FractureAperture")/2.0;
 
        if (scv.isOnFracture())
            return aHalf;
 
        return 1.0;
    }
 
    BoundaryTypes boundaryTypesAtPos(const GlobalPosition &globalPos) const
    {
        BoundaryTypes values;
        values.setAllNeumann();
        if (globalPos[0] > this->gridGeometry().bBoxMax()[0] - eps_ || globalPos[0] < 1e-6)
            values.setAllDirichlet();
        return values;
    }
 
    PrimaryVariables dirichletAtPos(const GlobalPosition& globalPos) const
    {
        auto values = initialAtPos(globalPos);
        if (globalPos[0] < 1e-6)
            values[saturationDNAPLIdx] = 0.5;
        return values;
    }
 
    NumEqVector neumannAtPos(const GlobalPosition& globalPos) const
    { return NumEqVector(0.0); }
 
    PrimaryVariables initialAtPos(const GlobalPosition& globalPos) const
    {
        PrimaryVariables values;
 
        // pressure gradient from left to right
        values[pressureH2OIdx] = 2e5 - 1e5*globalPos[0]/this->gridGeometry().bBoxMax()[0];
        values[saturationDNAPLIdx] = 0;
        return values;
    }
 
    Scalar temperature() const { return 293.15; /* 10°C */ }
};
 
} // end namespace Dumux
 
#endif