porousmediumflow/tracer/constvel/spatialparams.hh

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#ifndef DUMUX_TRACER_TEST_SPATIAL_PARAMS_HH
#define DUMUX_TRACER_TEST_SPATIAL_PARAMS_HH
 
#include <dumux/porousmediumflow/properties.hh>
#include <dumux/material/spatialparams/fv1p.hh>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class TracerTestSpatialParams
: public FVSpatialParamsOneP<GridGeometry, Scalar,
                             TracerTestSpatialParams<GridGeometry, Scalar>>
{
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using Element = typename GridView::template Codim<0>::Entity;
    using ParentType = FVSpatialParamsOneP<GridGeometry, Scalar,
                                           TracerTestSpatialParams<GridGeometry, Scalar>>;
 
    static const int dimWorld = GridView::dimensionworld;
    using GlobalPosition = typename Dune::FieldVector<Scalar, dimWorld>;
 
public:
 
    TracerTestSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry) {}
 
    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    { return 0.2; }
 
    template<class ElementSolution>
    Scalar dispersivity(const Element &element,
                        const SubControlVolume& scv,
                        const ElementSolution& elemSol) const
    { return 0; }
 
 
    Scalar fluidDensity(const Element &element,
                        const SubControlVolume& scv) const
    { return 1000; }
 
    Scalar fluidMolarMass(const Element &element,
                          const SubControlVolume& scv) const
    { return 18.0; }
 
    Scalar fluidMolarMass(const GlobalPosition &globalPos) const
    { return 18.0; }
 
    GlobalPosition velocity(const SubControlVolumeFace& scvf) const
    {
        GlobalPosition vel(1e-5);
        const auto globalPos = scvf.ipGlobal();
        const auto& x = globalPos[0];
        const auto& y = globalPos[1];
 
        vel[0] *= x*x * (1.0 - x)*(1.0 - x) * (2.0*y - 6.0*y*y + 4.0*y*y*y);
        vel[1] *= -1.0*y*y * (1.0 - y)*(1.0 - y) * (2.0*x - 6.0*x*x + 4.0*x*x*x);
 
        return vel;
    }
 
    template<class ElementVolumeVariables>
    Scalar volumeFlux(const Element &element,
                      const FVElementGeometry& fvGeometry,
                      const ElementVolumeVariables& elemVolVars,
                      const SubControlVolumeFace& scvf) const
    {
        return velocity(scvf) * scvf.unitOuterNormal() * scvf.area()
               * elemVolVars[fvGeometry.scv(scvf.insideScvIdx())].extrusionFactor();
    }
};
 
} // end namespace Dumux
 
#endif