porousmediumflow/tracer/1ptracer/spatialparams_1p.hh

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#ifndef DUMUX_INCOMPRESSIBLE_ONEP_TEST_SPATIAL_PARAMS_HH
#define DUMUX_INCOMPRESSIBLE_ONEP_TEST_SPATIAL_PARAMS_HH
 
#include <random>
#include <dumux/porousmediumflow/properties.hh>
#include <dumux/material/spatialparams/fv1p.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 Element = typename GridView::template Codim<0>::Entity;
    using ParentType = FVSpatialParamsOneP<GridGeometry, Scalar,
                                           OnePTestSpatialParams<GridGeometry, Scalar>>;
 
    static constexpr int dimWorld = GridView::dimensionworld;
    using GlobalPosition = typename SubControlVolume::GlobalPosition;
 
public:
    using PermeabilityType = Scalar;
    OnePTestSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry), K_(gridGeometry->gridView().size(0), 0.0)
    {
        permeability_ = getParam<Scalar>("SpatialParams.Permeability");
        permeabilityLens_ = getParam<Scalar>("SpatialParams.PermeabilityLens");
 
        lensLowerLeft_ = getParam<GlobalPosition>("SpatialParams.LensLowerLeft");
        lensUpperRight_ =getParam<GlobalPosition>("SpatialParams.LensUpperRight");
 
        // generate random fields
        std::mt19937 rand(0);
        std::lognormal_distribution<Scalar> K(std::log(permeability_), std::log(permeability_)*0.1);
        std::lognormal_distribution<Scalar> KLens(std::log(permeabilityLens_), std::log(permeabilityLens_)*0.1);
        for (const auto& element : elements(gridGeometry->gridView()))
        {
            const auto eIdx = gridGeometry->elementMapper().index(element);
            const auto globalPos = element.geometry().center();
            K_[eIdx] = isInLens_(globalPos) ? KLens(rand) : K(rand);
        }
    }
 
    template<class ElementSolution>
    const PermeabilityType& permeability(const Element& element,
                                         const SubControlVolume& scv,
                                         const ElementSolution& elemSol) const
    {
        return K_[scv.dofIndex()];
 
        // if (isInLens_(scv.dofPosition()))
        //     return permeabilityLens_;
        // else
        //     return permeability_;
    }
 
    Scalar porosityAtPos(const GlobalPosition &globalPos) const
    { return 0.2; }
 
    const std::vector<Scalar>& getKField() const
    { return K_; }
 
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;
    }
 
    GlobalPosition lensLowerLeft_;
    GlobalPosition lensUpperRight_;
 
    Scalar permeability_, permeabilityLens_;
 
    std::vector<Scalar> K_;
 
    static constexpr Scalar eps_ = 1.5e-7;
};
 
} // end namespace Dumux
 
#endif