freeflow/shallowwater/fluxvariables.hh

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#ifndef DUMUX_FREEFLOW_SHALLOW_WATER_FLUXVARIABLES_HH
#define DUMUX_FREEFLOW_SHALLOW_WATER_FLUXVARIABLES_HH
 
#include <dumux/common/properties.hh>
#include <dumux/flux/fluxvariablesbase.hh>
 
namespace Dumux {
 
template<class TypeTag>
class ShallowWaterFluxVariables
: public FluxVariablesBase<GetPropType<TypeTag, Properties::Problem>,
                           typename GetPropType<TypeTag, Properties::GridGeometry>::LocalView,
                           typename GetPropType<TypeTag, Properties::GridVolumeVariables>::LocalView,
                           typename GetPropType<TypeTag, Properties::GridFluxVariablesCache>::LocalView>
{
    using Problem = GetPropType<TypeTag, Properties::Problem>;
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
    using NumEqVector = GetPropType<TypeTag, Properties::NumEqVector>;
    using AdvectionType = GetPropType<TypeTag, Properties::AdvectionType>;
    //using DiffusionType = GetPropType<TypeTag, Properties::DiffusionType>;
 
    using GridVariables = GetPropType<TypeTag, Properties::GridVariables>;
    using GridVolumeVariables = typename GridVariables::GridVolumeVariables;
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using GridView = typename GridGeometry::GridView;
 
    using Element = typename GridView::template Codim<0>::Entity;
    using ElementVolumeVariables = typename GridVolumeVariables::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
 
    static constexpr bool enableAdvection = ModelTraits::enableAdvection();
    static constexpr bool enableDiffusion = ModelTraits::enableDiffusion();
 
public:
 
    NumEqVector advectiveFlux(const Problem& problem,
                              const Element& element,
                              const FVElementGeometry& fvGeometry,
                              const ElementVolumeVariables& elemVolVars,
                              const SubControlVolumeFace& scvf) const
    {
        if (enableAdvection)
            return AdvectionType::flux(problem, element, fvGeometry, elemVolVars, scvf);
 
        return NumEqVector(0.0);
    }
 
    NumEqVector diffusiveFlux(const Problem& problem,
                              const Element& element,
                              const FVElementGeometry& fvGeometry,
                              const ElementVolumeVariables& elemVolVars,
                              const SubControlVolumeFace& scvf) const
    {
        // TODO: add diffusive flux (e.g. tracer and viscosity)
        if (enableDiffusion)
            return NumEqVector(0.0);
 
        return NumEqVector(0.0);
    }
};
 
} // end namespace Dumux
 
#endif