test_1pspatialparams.hh

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#ifndef TEST_1P_SPATIALPARAMS_HH
#define TEST_1P_SPATIALPARAMS_HH
 
#include <dumux/material/spatialparams/sequentialfv1p.hh>
 
namespace Dumux
{
 
template<class TypeTag>
class TestOnePSpatialParams: public SequentialFVSpatialParamsOneP<TypeTag>
{
    using ParentType = SequentialFVSpatialParamsOneP<TypeTag>;
    using Problem = typename GET_PROP_TYPE(TypeTag, Problem);
    using Grid = typename GET_PROP_TYPE(TypeTag, Grid);
    using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
    using IndexSet = typename GridView::IndexSet;
    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
    using CoordScalar = typename Grid::ctype;
 
    enum
        {dim=Grid::dimension, dimWorld=Grid::dimensionworld};
    using Element = typename Grid::Traits::template Codim<0>::Entity;
 
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
    using FieldMatrix = Dune::FieldMatrix<Scalar, dim, dim>;
 
public:
 
    const FieldMatrix& intrinsicPermeability (const Element& element) const
    {
        return permeability_[indexSet_.index(element)];
    }
 
    double porosity(const Element& element) const
    {
        return 0.2;
    }
 
    void initialize(const double delta)
    {
        delta_ = delta;
        permeability_.resize(gridView_.size(0));
 
        for(const auto& element : elements(gridView_))
        {
            setPermeability_(permeability_[indexSet_.index(element)], element.geometry().center());
        }
 
    }
 
    TestOnePSpatialParams(const Problem& problem)
    : ParentType(problem), gridView_(problem.gridView()), indexSet_(problem.gridView().indexSet())
    { }
 
private:
    void setPermeability_(FieldMatrix& perm, const GlobalPosition& globalPos) const
    {
        double rt = globalPos[0]*globalPos[0]+globalPos[1]*globalPos[1];
        perm[0][0] = (delta_*globalPos[0]*globalPos[0] + globalPos[1]*globalPos[1])/rt;
        perm[0][1] = -(1.0 - delta_)*globalPos[0]*globalPos[1]/rt;
        perm[1][0] = perm[0][1];
        perm[1][1] = (globalPos[0]*globalPos[0] + delta_*globalPos[1]*globalPos[1])/rt;
    }
 
    const GridView gridView_;
    const IndexSet& indexSet_;
    std::vector<FieldMatrix> permeability_;
    double delta_;
};
 
} // end namespace
#endif