freeflow/rans/boundarytypes.hh

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#ifndef FREEFLOW_RANS_BOUNDARY_TYPES_HH
#define FREEFLOW_RANS_BOUNDARY_TYPES_HH
 
#include <dune/common/exceptions.hh>
 
#include <dumux/common/typetraits/typetraits.hh>
#include <dumux/freeflow/navierstokes/boundarytypes.hh>
 
namespace Dumux {

template <class ModelTraits, int numEq>
class RANSBoundaryTypes : public NavierStokesBoundaryTypes<numEq>
{
    using ParentType = NavierStokesBoundaryTypes<numEq>;
    static constexpr auto dimWorld = ModelTraits::dim();
    using Indices = typename ModelTraits::Indices;
    static_assert(dimWorld > 1, "Wall conditions cannot be set for 1D domains.");
public:
    RANSBoundaryTypes()
    {
        for (int eqIdx=0; eqIdx < numEq; ++eqIdx)
            resetEq(eqIdx);
    }
 
    void setWall()
    {
        isWall_ = true;
        for (int eqIdx=0; eqIdx < numEq; ++eqIdx)
        {
            if constexpr (dimWorld == 3)
            {
                if ((eqIdx == Indices::velocityXIdx)
                 || (eqIdx == Indices::velocityYIdx)
                 || (eqIdx == Indices::velocityZIdx))
                    BoundaryTypes<numEq>::boundaryInfo_[eqIdx].isDirichlet = true;
            }
            else if constexpr (dimWorld == 2)
            {
                if ((eqIdx == Indices::velocityXIdx)
                 || (eqIdx == Indices::velocityYIdx))
                    BoundaryTypes<numEq>::boundaryInfo_[eqIdx].isDirichlet = true;
            }
            else
                DUNE_THROW(Dune::NotImplemented, "1D Turbulence models are not supported");
 
            if constexpr (numTurbulenceEq(ModelTraits::turbulenceModel()) == 1)
            {
                if (eqIdx == Indices::viscosityTildeIdx)
                    BoundaryTypes<numEq>::boundaryInfo_[eqIdx].isDirichlet = true;
            }
            else if constexpr (numTurbulenceEq(ModelTraits::turbulenceModel()) == 2)
            {
                if (eqIdx == Indices::turbulentKineticEnergyEqIdx || eqIdx == Indices::dissipationEqIdx)
                    BoundaryTypes<numEq>::boundaryInfo_[eqIdx].isDirichlet = true;
            }
        }
    }

    bool hasWall() const
    { return isWall_; }

    void resetEq(const int eqIdx)
    {
        ParentType::resetEq(eqIdx);
        isWall_ = false;
    }
 
protected:
    bool isWall_;
};
 
} // end namespace Dumux
 
#endif