freeflow/navierstokes/mass/problem.hh

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#ifndef DUMUX_NAVIERSTOKES_MASS_PROBLEM_HH
#define DUMUX_NAVIERSTOKES_MASS_PROBLEM_HH
 
#include <dune/common/exceptions.hh>
#include <dune/common/typetraits.hh>
#include <dumux/common/numeqvector.hh>
#include <dumux/common/properties.hh>
#include <dumux/common/fvproblemwithspatialparams.hh>
#include <dumux/discretization/method.hh>
 
namespace Dumux {
 
// default implementation
template<class TypeTag, class DiscretizationMethod>
class NavierStokesMassProblemImpl : public FVProblemWithSpatialParams<TypeTag>
{
    using ParentType = FVProblemWithSpatialParams<TypeTag>;
    using Implementation = GetPropType<TypeTag, Properties::Problem>;
 
    using GridGeometry = GetPropType<TypeTag, Properties::GridGeometry>;
    using GridView = typename GridGeometry::GridView;
    using FVElementGeometry = typename GridGeometry::LocalView;
    using SubControlVolumeFace = typename FVElementGeometry::SubControlVolumeFace;
    using Element = typename GridView::template Codim<0>::Entity;
    using GlobalPosition = typename SubControlVolumeFace::GlobalPosition;
    using VelocityVector = GlobalPosition;
    using Scalar = GetPropType<TypeTag, Properties::Scalar>;
    using CouplingManager = GetPropType<TypeTag, Properties::CouplingManager>;
    using ModelTraits = GetPropType<TypeTag, Properties::ModelTraits>;
 
    static constexpr bool isCoupled_ = !std::is_empty_v<CouplingManager>;
 
public:
 
    using InitialValues = Dune::FieldVector<Scalar, ModelTraits::numEq()>;
    using Sources = Dune::FieldVector<Scalar, ModelTraits::numEq()>;
    using DirichletValues = Dune::FieldVector<Scalar, ModelTraits::numEq()>;
    using BoundaryFluxes = Dune::FieldVector<Scalar, ModelTraits::numEq()>;
 
    using BoundaryTypes = Dumux::BoundaryTypes<ModelTraits::numEq()>;
 
    static constexpr bool isMomentumProblem() { return false; }
 
    NavierStokesMassProblemImpl(std::shared_ptr<const GridGeometry> gridGeometry,
                                std::shared_ptr<CouplingManager> couplingManager,
                                const std::string& paramGroup = "")
    : ParentType(gridGeometry, paramGroup)
    , couplingManager_(couplingManager)
    {}
 
    NavierStokesMassProblemImpl(std::shared_ptr<const GridGeometry> gridGeometry,
                                const std::string& paramGroup = "")
    : NavierStokesMassProblemImpl(gridGeometry, {}, paramGroup)
    {}
 
    VelocityVector faceVelocity(const Element& element,
                                const FVElementGeometry& fvGeometry,
                                const SubControlVolumeFace& scvf) const
    {
        if constexpr (isCoupled_)
            return couplingManager_->faceVelocity(element, scvf);
        else
            return asImp_().velocityAtPos(scvf.ipGlobal());
    }
 
    VelocityVector elementVelocity(const FVElementGeometry& fvGeometry) const
    {
        if constexpr (isCoupled_)
            return couplingManager_->elementVelocity(fvGeometry);
        else
            return asImp_().velocityAtPos(fvGeometry.element().geometry().center());
    }
 
    VelocityVector velocityAtPos(const GlobalPosition&) const
    {
        DUNE_THROW(Dune::NotImplemented, "velocityAtPos not implemented");
    }
 
    const CouplingManager& couplingManager() const
    {
        if constexpr (isCoupled_)
            return *couplingManager_;
        else
            DUNE_THROW(Dune::InvalidStateException,
                "Accessing coupling manager of an uncoupled problem is not possible."
            );
    }
 
private:
    Implementation &asImp_()
    { return *static_cast<Implementation *>(this); }
 
    const Implementation &asImp_() const
    { return *static_cast<const Implementation *>(this); }
 
    std::shared_ptr<CouplingManager> couplingManager_;
};
 
template<class TypeTag>
using NavierStokesMassProblem = NavierStokesMassProblemImpl<
    TypeTag, typename GetPropType<TypeTag, Properties::GridGeometry>::DiscretizationMethod
>;
 
} // end namespace Dumux
 
#endif