porousmediumflow/mpnc/implicit/obstacle/spatialparams.hh

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#ifndef DUMUX_OBSTACLE_SPATIAL_PARAMS_HH
#define DUMUX_OBSTACLE_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>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class ObstacleSpatialParams
: public FVSpatialParams<GridGeometry, Scalar,
                         ObstacleSpatialParams<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,
                                       ObstacleSpatialParams<GridGeometry, Scalar>>;
 
    enum {dimWorld=GridView::dimensionworld};
    using GlobalPosition = typename SubControlVolume::GlobalPosition;
    using EffectiveLaw = RegularizedLinearMaterial<Scalar>;
 
public:
    using PermeabilityType = Scalar;
    using MaterialLaw = EffToAbsLaw<EffectiveLaw>;
    using MaterialLawParams = typename MaterialLaw::Params;
 
    ObstacleSpatialParams(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(0.0);
        fineMaterialParams_.setSnr(0.0);
        coarseMaterialParams_.setSwr(0.0);
        coarseMaterialParams_.setSnr(0.0);
 
        // parameters for the linear law, i.e. minimum and maximum
        // pressures
        fineMaterialParams_.setEntryPc(0.0);
        coarseMaterialParams_.setEntryPc(0.0);
        fineMaterialParams_.setMaxPc(0.0);
        coarseMaterialParams_.setMaxPc(0.0);
    }
 
    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::phase0Idx;
    }
 
private:
    static bool isFineMaterial_(const GlobalPosition &pos)
    {
        return
            10 - eps_ <= pos[0] && pos[0] <= 20 + eps_ &&
            0 - eps_ <= pos[1] && pos[1] <= 35 + eps_;
    }
 
    Scalar coarseK_;
    Scalar fineK_;
    Scalar porosity_;
    MaterialLawParams fineMaterialParams_;
    MaterialLawParams coarseMaterialParams_;
    static constexpr Scalar eps_ = 1e-6;
};
 
} // end namespace Dumux
 
#endif