porousmediumflow/richardsnc/implicit/spatialparams.hh

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#ifndef DUMUX_RICHARDS_LENS_SPATIAL_PARAMETERS_HH
#define DUMUX_RICHARDS_LENS_SPATIAL_PARAMETERS_HH
 
#include <dumux/material/spatialparams/fv.hh>
#include <dumux/material/fluidmatrixinteractions/2p/vangenuchten.hh>
#include <dumux/material/fluidmatrixinteractions/2p/efftoabslaw.hh>
 
#include <dumux/porousmediumflow/richards/model.hh>
 
#include <dumux/io/gnuplotinterface.hh>
#include <dumux/io/plotmateriallaw.hh>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class RichardsWellTracerSpatialParams
: public FVSpatialParams<GridGeometry, Scalar,
                         RichardsWellTracerSpatialParams<GridGeometry, Scalar>>
{
    using GridView = typename GridGeometry::GridView;
    using ParentType = FVSpatialParams<GridGeometry, Scalar,
                                       RichardsWellTracerSpatialParams<GridGeometry, Scalar>>;
 
    enum { dimWorld=GridView::dimensionworld };
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
    using EffectiveLaw = VanGenuchten<Scalar>;
 
public:
    using MaterialLaw = EffToAbsLaw<EffectiveLaw>;
    using MaterialLawParams = typename MaterialLaw::Params;
    // export permeability type
    using PermeabilityType = Scalar;
 
    RichardsWellTracerSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
        : ParentType(gridGeometry)
    {
 
        lensLowerLeft_ = getParam<GlobalPosition>("Problem.LensLowerLeft");
        lensUpperRight_ = getParam<GlobalPosition>("Problem.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);
 
        lensMaterialParams_.setVgn(7.3);
        outerMaterialParams_.setVgAlpha(0.0037);
 
        lensK_ = 1e-14;
        outerK_ = 5e-12;
    }
 
    PermeabilityType permeabilityAtPos(const GlobalPosition& globalPos) const
    {
        if (isInLens_(globalPos))
            return lensK_;
        return outerK_;
    }
 
    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    {
        if (isInLens_(globalPos))
            return 0.2;
        return 0.4;
    }
 
    const MaterialLawParams& materialLawParamsAtPos(const GlobalPosition &globalPos) const
    {
        if (isInLens_(globalPos))
            return lensMaterialParams_;
        return outerMaterialParams_;
    }
 
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;
    }
 
    static constexpr Scalar eps_ = 1.5e-7;
 
    GlobalPosition lensLowerLeft_;
    GlobalPosition lensUpperRight_;
 
    Scalar lensK_;
    Scalar outerK_;
    MaterialLawParams lensMaterialParams_;
    MaterialLawParams outerMaterialParams_;
};
 
} // end namespace Dumux
 
#endif