fvspatialparamsmp.hh

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#ifndef DUMUX_POROUS_MEDIUM_FLOW_FV_SPATIAL_PARAMS_MP_HH
#define DUMUX_POROUS_MEDIUM_FLOW_FV_SPATIAL_PARAMS_MP_HH
 
#include <dune/common/exceptions.hh>
#include <dune/common/fmatrix.hh>
 
#include <dumux/common/parameters.hh>
#include <dumux/common/math.hh>
#include <dumux/common/fvspatialparams.hh>
#include <dumux/common/typetraits/isvalid.hh>
 
#include "fvspatialparams.hh"
 
namespace Dumux {
 
#ifndef DOXYGEN
namespace Detail {
// helper struct detecting if the user-defined spatial params class
// has a fluidMatrixInteractionAtPos function
template<class GlobalPosition>
struct hasFluidMatrixInteractionAtPos
{
    template<class SpatialParams>
    auto operator()(const SpatialParams& a)
    -> decltype(a.fluidMatrixInteractionAtPos(std::declval<GlobalPosition>()))
    {}
};
} // end namespace Detail
#endif
 
template<class GridGeometry, class Scalar, class Implementation>
class FVPorousMediumFlowSpatialParamsMP
: public FVPorousMediumFlowSpatialParams<GridGeometry, Scalar, Implementation>
{
    using ParentType = FVPorousMediumFlowSpatialParams<GridGeometry, Scalar, Implementation>;
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolume = typename GridGeometry::SubControlVolume;
    using Element = typename GridView::template Codim<0>::Entity;
 
    using GlobalPosition = typename Element::Geometry::GlobalCoordinate;
 
public:
    FVPorousMediumFlowSpatialParamsMP(std::shared_ptr<const GridGeometry> gridGeometry)
    : ParentType(gridGeometry)
    {}
 
    template<class ElementSolution>
    decltype(auto) fluidMatrixInteraction(const Element& element,
                                          const SubControlVolume& scv,
                                          const ElementSolution& elemSol) const
    {
        static_assert(decltype(isValid(Detail::hasFluidMatrixInteractionAtPos<GlobalPosition>())(this->asImp_()))::value," \n\n"
        "   Your spatial params class has to either implement\n\n"
        "         auto fluidMatrixInteractionAtPos(const GlobalPosition& globalPos) const\n\n"
        "   or overload this function\n\n"
        "         template<class ElementSolution>\n"
        "         auto fluidMatrixInteraction(const Element& element,\n"
        "                                     const SubControlVolume& scv,\n"
        "                                     const ElementSolution& elemSol) const\n\n");
 
        return this->asImp_().fluidMatrixInteractionAtPos(scv.center());
    }
 
    template<class FluidSystem, class ElementSolution>
    int wettingPhase(const Element& element,
                     const SubControlVolume& scv,
                     const ElementSolution& elemSol) const
    {
        return this->asImp_().template wettingPhaseAtPos<FluidSystem>(scv.center());
    }
 
    template<class FluidSystem>
    int wettingPhaseAtPos(const GlobalPosition& globalPos) const
    {
        DUNE_THROW(Dune::InvalidStateException,
                   "The spatial parameters do not provide "
                   "a wettingPhaseAtPos() method.");
    }
};
 
} // namespace Dumux
 
#endif