porenetwork2p.hh

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#ifndef DUMUX_PNM2P_SPATIAL_PARAMS_HH
#define DUMUX_PNM2P_SPATIAL_PARAMS_HH
 
#include <dumux/material/fluidmatrixinteractions/fluidmatrixinteraction.hh>
#include <dumux/material/fluidmatrixinteractions/porenetwork/throat/thresholdcapillarypressures.hh>
 
#include <dumux/porenetwork/common/poreproperties.hh>
#include <dumux/porenetwork/common/throatproperties.hh>
 
#include "porenetworkbase.hh"
 
namespace Dumux::PoreNetwork {
 
template<class GridGeometry, class Scalar, class LocalRules, class Implementation>
class TwoPBaseSpatialParams
: public BaseSpatialParams<GridGeometry, Scalar, TwoPBaseSpatialParams<GridGeometry, Scalar, LocalRules, Implementation>>
{
    using ParentType = BaseSpatialParams<GridGeometry, Scalar, TwoPBaseSpatialParams<GridGeometry, Scalar, LocalRules, Implementation>>;
    using GridView = typename GridGeometry::GridView;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using Element = typename GridView::template Codim<0>::Entity;
 
public:
 
    TwoPBaseSpatialParams(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {
        if (!gridGeometry->useSameGeometryForAllPores() && LocalRules::supportsMultipleGeometries())
            DUNE_THROW(Dune::InvalidStateException, "Your MaterialLaw does not support multiple pore body shapes.");
 
        if (this->gridGeometry().useSameShapeForAllThroats())
        {
            cornerHalfAngles_.resize(1);
            const auto& shape = this->gridGeometry().throatCrossSectionShape(/*eIdx*/0);
            cornerHalfAngles_[0] = Throat::cornerHalfAngles<Scalar>(shape);
        }
        else
        {
            cornerHalfAngles_.resize(this->gridGeometry().gridView().size(0));
            for (auto&& element : elements(this->gridGeometry().gridView()))
            {
                const auto eIdx = this->gridGeometry().elementMapper().index(element);
                const auto& shape = this->gridGeometry().throatCrossSectionShape(eIdx);
                cornerHalfAngles_[eIdx] = Throat::cornerHalfAngles<Scalar>(shape);
            }
        }
    }
 
    template<class FS, class ElementVolumeVariables>
    int wettingPhase(const Element&, const ElementVolumeVariables& elemVolVars) const
    { return 0; }
 
    template<class FS, class ElementSolutionVector>
    int wettingPhase(const Element&, const SubControlVolume& scv, const ElementSolutionVector& elemSol) const
    { return 0; }
 
    template<class ElementVolumeVariables>
    Scalar contactAngle(const Element& element,
                        const ElementVolumeVariables& elemVolVars) const
    {
        static const Scalar theta = getParam<Scalar>("SpatialParams.ContactAngle", 0.0);
        return theta;
    }
 
    template<class ElementSolutionVector>
    Scalar contactAngle(const Element& element,
                        const SubControlVolume& scv,
                        const ElementSolutionVector& elemSol) const
    {
        static const Scalar theta = getParam<Scalar>("SpatialParams.ContactAngle", 0.0);
        return theta;
    }
 
    template<class ElementVolumeVariables>
    const Scalar pcEntry(const Element& element, const ElementVolumeVariables& elemVolVars) const
    {
        const auto eIdx = this->gridGeometry().elementMapper().index(element);
        // take the average of both adjacent pores TODO: is this correct?
        const Scalar surfaceTension = 0.5*(elemVolVars[0].surfaceTension() + elemVolVars[1].surfaceTension());
        return ThresholdCapillaryPressures::pcEntry(surfaceTension,
                                                    this->asImp_().contactAngle(element, elemVolVars),
                                                    this->asImp_().throatInscribedRadius(element, elemVolVars),
                                                    this->gridGeometry().throatShapeFactor(eIdx));
    }
 
    template<class ElementVolumeVariables>
    const Scalar pcSnapoff(const Element& element, const ElementVolumeVariables& elemVolVars) const
    {
        // take the average of both adjacent pores TODO: is this correct?
        const Scalar surfaceTension = 0.5*(elemVolVars[0].surfaceTension() + elemVolVars[1].surfaceTension());
        return ThresholdCapillaryPressures::pcSnapoff(surfaceTension,
                                                      this->asImp_().contactAngle(element, elemVolVars),
                                                      this->asImp_().throatInscribedRadius(element, elemVolVars));
    }
 
    template<class ElementSolution>
    Scalar surfaceTension(const Element& element,
                          const SubControlVolume& scv,
                          const ElementSolution& elemSol) const
    {
        static const Scalar gamma = getParam<Scalar>("SpatialParams.SurfaceTension", 0.0725); // default to surface tension of water/air
        return gamma;
    }
 
    template<class ElementSolution>
    auto fluidMatrixInteraction(const Element& element,
                                const SubControlVolume& scv,
                                const ElementSolution& elemSol) const
    {
        const auto params = typename LocalRules::BasicParams(*this, element, scv, elemSol);
        return makeFluidMatrixInteraction(LocalRules(params, "SpatialParams"));
    }
 
    const Dune::ReservedVector<Scalar, 4>& cornerHalfAngles(const Element& element) const
    {
        if (this->gridGeometry().useSameShapeForAllThroats())
            return cornerHalfAngles_[0];
        else
        {
            const auto eIdx = this->gridGeometry().gridView().indexSet().index(element);
            return cornerHalfAngles_[eIdx];
        }
    }
 
private:
    std::vector<Dune::ReservedVector<Scalar, 4>> cornerHalfAngles_;
};
 
// TODO docme
template<class GridGeometry, class Scalar, class MaterialLawT>
class TwoPDefaultSpatialParams : public TwoPBaseSpatialParams<GridGeometry, Scalar, MaterialLawT,
                                                              TwoPDefaultSpatialParams<GridGeometry, Scalar, MaterialLawT>>
{
    using ParentType = TwoPBaseSpatialParams<GridGeometry, Scalar, MaterialLawT,
                                             TwoPDefaultSpatialParams<GridGeometry, Scalar, MaterialLawT>>;
public:
    using ParentType::ParentType;
};
 
} // namespace Dumux::PoreNetwork
 
#endif