porousmediumflow/2p/implicit/incompressible/spatialparams.hh

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#ifndef DUMUX_INCOMPRESSIBLE_TWOP_TEST_SPATIAL_PARAMS_HH
#define DUMUX_INCOMPRESSIBLE_TWOP_TEST_SPATIAL_PARAMS_HH
 
#include <dumux/material/spatialparams/fv.hh>
#include <dumux/material/fluidmatrixinteractions/2p/regularizedvangenuchten.hh>
#include <dumux/material/fluidmatrixinteractions/2p/efftoabslaw.hh>
 
#include <dumux/porousmediumflow/2p/boxmaterialinterfaceparams.hh>
 
namespace Dumux {

template<class GridGeometry, class Scalar>
class TwoPTestSpatialParams
: public FVSpatialParams<GridGeometry, Scalar, TwoPTestSpatialParams<GridGeometry, Scalar>>
{
    using GridView = typename GridGeometry::GridView;
    using Element = typename GridView::template Codim<0>::Entity;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using ThisType = TwoPTestSpatialParams<GridGeometry, Scalar>;
    using ParentType = FVSpatialParams<GridGeometry, Scalar, ThisType>;
 
    static constexpr int dimWorld = GridView::dimensionworld;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using EffectiveLaw = RegularizedVanGenuchten<Scalar>;
 
public:
    using MaterialLaw = EffToAbsLaw<EffectiveLaw>;
    using MaterialLawParams = typename MaterialLaw::Params;
    using PermeabilityType = Scalar;
 
    TwoPTestSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
        lensIsOilWet_ = getParam<bool>("SpatialParams.LensIsOilWet", false);
 
        lensLowerLeft_ = getParam<GlobalPosition>("SpatialParams.LensLowerLeft");
        lensUpperRight_ = getParam<GlobalPosition>("SpatialParams.LensUpperRight");
 
        // residual saturations
        lensMaterialParams_.setSwr(0.18);
        lensMaterialParams_.setSnr(0.0);
        outerMaterialParams_.setSwr(0.05);
        outerMaterialParams_.setSnr(0.0);
 
        // parameters for the Van Genuchten law
        // alpha and n
        lensMaterialParams_.setVgAlpha(0.00045);
        lensMaterialParams_.setVgn(7.3);
        outerMaterialParams_.setVgAlpha(0.0037);
        outerMaterialParams_.setVgn(4.7);
 
        lensK_ = getParam<Scalar>("SpatialParams.lensK", 9.05e-12);
        outerK_ = getParam<Scalar>("SpatialParams.outerK", 4.6e-10);
    }

    template<class ElementSolution>
    PermeabilityType permeability(const Element& element,
                                  const SubControlVolume& scv,
                                  const ElementSolution& elemSol) const
    {
 
        // do not use a less permeable lens in the test with inverted wettability
        if (isInLens_(element.geometry().center()) && !lensIsOilWet_)
            return lensK_;
        return outerK_;
    }

    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    { return 0.4; }

    template<class ElementSolution>
    const MaterialLawParams& materialLawParams(const Element& element,
                                               const SubControlVolume& scv,
                                               const ElementSolution& elemSol) const
    {
        // do not use different parameters in the test with inverted wettability
        if (isInLens_(element.geometry().center()) && !lensIsOilWet_)
            return lensMaterialParams_;
        return outerMaterialParams_;
    }

    template<class FluidSystem>
    int wettingPhaseAtPos(const GlobalPosition& globalPos) const
    {
        if (isInLens_(globalPos) && lensIsOilWet_)
            return FluidSystem::phase1Idx;
        return FluidSystem::phase0Idx;
    }

    template<class SolutionVector>
    void updateMaterialInterfaceParams(const SolutionVector& x)
    {
        if (GridGeometry::discMethod == DiscretizationMethod::box)
            materialInterfaceParams_.update(this->gridGeometry(), *this, x);
    }

    const BoxMaterialInterfaceParams<ThisType>& materialInterfaceParams() const
    { return materialInterfaceParams_; }

    bool lensIsOilWet() const { return lensIsOilWet_; }
 
private:
    bool isInLens_(const GlobalPosition &globalPos) const
    {
        for (int i = 0; i < dimWorld; ++i) {
            if (globalPos[i] < lensLowerLeft_[i] + eps_ || globalPos[i] > lensUpperRight_[i] - eps_)
                return false;
        }
        return true;
    }
 
    bool lensIsOilWet_;
    GlobalPosition lensLowerLeft_;
    GlobalPosition lensUpperRight_;
 
    Scalar lensK_;
    Scalar outerK_;
    MaterialLawParams lensMaterialParams_;
    MaterialLawParams outerMaterialParams_;
 
    // Determines the parameters associated with the dofs at material interfaces
    BoxMaterialInterfaceParams<ThisType> materialInterfaceParams_;
 
    static constexpr Scalar eps_ = 1.5e-7;
};
 
} // end namespace Dumux
 
#endif