test_diffusionspatialparams.hh

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#ifndef TEST_DIFFUSION_SPATIALPARAMS_HH
#define TEST_DIFFUSION_SPATIALPARAMS_HH
 
#include <dumux/porousmediumflow/sequential/properties.hh>
#include <dumux/material/spatialparams/sequentialfv.hh>
#include <dumux/material/fluidmatrixinteractions/2p/linearmaterial.hh>
#include <dumux/material/fluidmatrixinteractions/2p/efftoabslaw.hh>
 
namespace Dumux
{
 
//forward declaration
template<class TypeTag>
class TestDiffusionSpatialParams;
 
namespace Properties
{
// The spatial parameters TypeTag
NEW_TYPE_TAG(TestDiffusionSpatialParams);
 
// Set the spatial parameters
SET_TYPE_PROP(TestDiffusionSpatialParams, SpatialParams, TestDiffusionSpatialParams<TypeTag>);
 
// Set the material law
template<class TypeTag>
struct MaterialLaw<TypeTag, TTag::TestDiffusionSpatialParams>
{
private:
    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
    using RawMaterialLaw = LinearMaterial<Scalar>;
public:
    using type = EffToAbsLaw<RawMaterialLaw>;
};
}
 
template<class TypeTag>
class TestDiffusionSpatialParams: public SequentialFVSpatialParams<TypeTag>
{
    using ParentType = SequentialFVSpatialParams<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;
    using ScalarSolution = typename GET_PROP(TypeTag, SolutionTypes)::ScalarSolution;
    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:
    using MaterialLaw = typename GET_PROP_TYPE(TypeTag, MaterialLaw);
    using MaterialLawParams = typename MaterialLaw::Params;
 
    const FieldMatrix& intrinsicPermeability (const Element& element) const
    {
        return permeability_[indexSet_.index(element)];
    }
 
    double porosity(const Element& element) const
    {
        return 0.2;
    }
 
 
    // return the parameter object for the Brooks-Corey material law which depends on the position
    const MaterialLawParams& materialLawParams(const Element &element) const
    {
            return materialLawParams_;
    }
 
    void initialize(const double delta)
    {
        delta_ = delta;
        permeability_.resize(gridView_.size(0));
 
        for(const auto& element : elements(gridView_))
        {
            perm(permeability_[indexSet_.index(element)], element.geometry().center());
        }
 
    }
 
    template<class Writer>
    void addOutputVtkFields(Writer& writer)
    {
        ScalarSolution *permXX = writer.allocateManagedBuffer(gridView_.size(0));
        ScalarSolution *permXY = writer.allocateManagedBuffer(gridView_.size(0));
        ScalarSolution *permYY = writer.allocateManagedBuffer(gridView_.size(0));
 
        for(const auto& element : elements(gridView_))
        {
            int eIdxGlobal = indexSet_.index(element);
            (*permXX)[eIdxGlobal][0] = permeability_[eIdxGlobal][0][0];
            (*permXY)[eIdxGlobal][0] = permeability_[eIdxGlobal][0][1];
            (*permYY)[eIdxGlobal][0] = permeability_[eIdxGlobal][1][1];
        }
 
        writer.attachCellData(*permXX, "permeability-X");
        writer.attachCellData(*permYY, "permeability-Y");
        writer.attachCellData(*permXY, "permeability-Offdiagonal");
 
        return;
    }
 
    TestDiffusionSpatialParams(const Problem& problem)
    : ParentType(problem),gridView_(problem.gridView()), indexSet_(problem.gridView().indexSet()), permeability_(0)
    {
        // residual saturations
        materialLawParams_.setSwr(0.0);
        materialLawParams_.setSnr(0.0);
 
        // parameters for the linear entry pressure function
        materialLawParams_.setEntryPc(0);
        materialLawParams_.setMaxPc(0);
    }
 
private:
    void perm (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_;
    MaterialLawParams materialLawParams_;
    std::vector<FieldMatrix> permeability_;
    double delta_;
};
 
} // end namespace
#endif