porousmediumflow/1p/implicit/isothermal/spatialparams.hh

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#ifndef DUMUX_1P_TEST_SPATIALPARAMS_HH
#define DUMUX_1P_TEST_SPATIALPARAMS_HH
 
#include <dumux/porousmediumflow/properties.hh>
#include <dumux/material/spatialparams/fv1p.hh>
#include <dumux/material/spatialparams/gstatrandomfield.hh>
 
namespace Dumux {
 
template<class GridGeometry, class Scalar>
class OnePTestSpatialParams
: public FVSpatialParamsOneP<GridGeometry, Scalar,
                             OnePTestSpatialParams<GridGeometry, Scalar>>
{
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename FVElementGeometry::SubControlVolume;
    using IndexSet = typename GridView::IndexSet;
    using ParentType = FVSpatialParamsOneP<GridGeometry, Scalar,
                                           OnePTestSpatialParams<GridGeometry, Scalar>>;
 
    enum {
        dim=GridView::dimension,
        dimWorld=GridView::dimensionworld
    };
 
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
public:
    // export permeability type
    using PermeabilityType = Scalar;
 
    OnePTestSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
        : ParentType(gridGeometry),
          randomPermeability_(gridGeometry->gridView().size(dim), 0.0),
          indexSet_(gridGeometry->gridView().indexSet())
    {
        randomField_ = getParam<bool>("SpatialParams.RandomField", false);
        permeability_ = getParam<Scalar>("SpatialParams.Permeability");
        if(!randomField_)
            permeabilityLens_ = getParam<Scalar>("SpatialParams.PermeabilityLens");
        else
            initRandomField(*gridGeometry);
 
        lensLowerLeft_ = getParam<GlobalPosition>("SpatialParams.LensLowerLeft");
        lensUpperRight_ = getParam<GlobalPosition>("SpatialParams.LensUpperRight");
    }
 
    template<class ElementSolution>
    PermeabilityType permeability(const Element& element,
                                  const SubControlVolume& scv,
                                  const ElementSolution& elemSol) const
    {
        if (isInLens_(scv.dofPosition()))
        {
            if(randomField_)
                return randomPermeability_[indexSet_.index(element)];
            else
                return permeabilityLens_;
        }
        else
            return permeability_;
    }
 
    Scalar porosityAtPos(const GlobalPosition& globalPos) const
    { return 0.4; }
 
    void initRandomField(const GridGeometry& gg)
    {
        const auto& gridView = gg.gridView();
        const auto& elementMapper = gg.elementMapper();
        const auto gStatControlFile = getParam<std::string>("Gstat.ControlFile");
        const auto gStatInputFile = getParam<std::string>("Gstat.InputFile");
        const auto outputFilePrefix = getParam<std::string>("Gstat.OutputFilePrefix");
 
        // create random permeability object
        using RandomField = GstatRandomField<GridView, Scalar>;
        RandomField randomPermeabilityField(gridView, elementMapper);
        randomPermeabilityField.create(gStatControlFile,
                                       gStatInputFile,
                                       outputFilePrefix + ".dat",
                                       RandomField::FieldType::log10,
                                       true);
        randomPermeability_.resize(gridView.size(dim), 0.0);
 
        // copy vector from the temporary gstat object
        randomPermeability_ = randomPermeabilityField.data();
    }
 
    const std::vector<Scalar>& getPermField() const
    { return randomPermeability_; }
 
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 randomField_;
    GlobalPosition lensLowerLeft_;
    GlobalPosition lensUpperRight_;
 
    Scalar permeability_, permeabilityLens_;
    std::vector<Scalar> randomPermeability_;
 
    const IndexSet& indexSet_;
    static constexpr Scalar eps_ = 1.5e-7;
};
 
} // end namespace
 
#endif