porousmediumflow/2p2c/implicit/mpnccomparison/spatialparams.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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#ifndef DUMUX_MPNC_COMPARISON_SPATIAL_PARAMS_HH
#define DUMUX_MPNC_COMPARISON_SPATIAL_PARAMS_HH
 
#include <dumux/porousmediumflow/properties.hh>
#include <dumux/material/spatialparams/fv.hh>
#include <dumux/material/fluidmatrixinteractions/2p/regularizedlinearmaterial.hh>
#include <dumux/material/fluidmatrixinteractions/2p/efftoabslaw.hh>
 
#include <dumux/material/fluidmatrixinteractions/2p/regularizedbrookscorey.hh>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class TwoPTwoCComparisonSpatialParams
: public FVSpatialParams<GridGeometry, Scalar,
                         TwoPTwoCComparisonSpatialParams<GridGeometry, Scalar>>
{
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
 
    using Element = typename GridView::template Codim<0>::Entity;
    using ParentType = FVSpatialParams<GridGeometry, Scalar,
                                       TwoPTwoCComparisonSpatialParams<GridGeometry, Scalar>>;
 
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    enum {dimWorld=GridView::dimensionworld};
 
    using EffectiveLaw = RegularizedBrooksCorey<Scalar>;
 
public:
    using PermeabilityType = Scalar;
    using MaterialLaw = EffToAbsLaw<EffectiveLaw>;
    using MaterialLawParams = typename MaterialLaw::Params;
 
 
    TwoPTwoCComparisonSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry) : ParentType(gridGeometry)
    {
        // intrinsic permeabilities
        coarseK_ = 1e-12;
        fineK_ = 1e-15;
 
        // the porosity
        porosity_ = 0.3;
 
         // residual saturations
        fineMaterialParams_.setSwr(0.2);
        fineMaterialParams_.setSnr(0.0);
        coarseMaterialParams_.setSwr(0.2);
        coarseMaterialParams_.setSnr(0.0);
 
        // parameters for the Brooks-Corey law
        fineMaterialParams_.setPe(1e4);
        coarseMaterialParams_.setPe(1e4);
        fineMaterialParams_.setLambda(2.0);
        coarseMaterialParams_.setLambda(2.0);
    }
 
    template<class ElementSolution>
    PermeabilityType permeability(const Element& element,
                                  const SubControlVolume& scv,
                                  const ElementSolution& elemSol) const
    {
        if (isFineMaterial_(scv.dofPosition()))
            return fineK_;
        else
            return coarseK_;
    }
 
    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    {
        return porosity_;
    }
 
    const MaterialLawParams& materialLawParamsAtPos(const GlobalPosition& globalPos) const
    {
        if (isFineMaterial_(globalPos))
            return fineMaterialParams_;
        else
            return coarseMaterialParams_;
    }
 
    template<class FluidSystem>
    int wettingPhaseAtPos(const GlobalPosition& globalPos) const
    { return FluidSystem::H2OIdx; }
 
private:
    static bool isFineMaterial_(const GlobalPosition &pos)
    {
        return
            30 - eps_ <= pos[0] && pos[0] <= 50 + eps_ &&
            20 - eps_ <= pos[1] && pos[1] <= 40 + eps_;
    }
 
    Scalar coarseK_;
    Scalar fineK_;
    Scalar porosity_;
    MaterialLawParams fineMaterialParams_;
    MaterialLawParams coarseMaterialParams_;
    static constexpr Scalar eps_ = 1e-6;
};
 
} // end namespace Dumux
 
#endif