cvfe/elementboundarytypes.hh

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#ifndef DUMUX_CVFE_ELEMENT_BOUNDARY_TYPES_HH
#define DUMUX_CVFE_ELEMENT_BOUNDARY_TYPES_HH
 
#include <cassert>
#include <vector>
 
#include <dumux/discretization/method.hh>
 
namespace Dumux {
 
template<class BTypes>
class CVFEElementBoundaryTypes
{
public:
    using BoundaryTypes = BTypes;
 
    template<class Problem, class FVElementGeometry>
    void update(const Problem& problem,
                const typename FVElementGeometry::Element& element,
                const FVElementGeometry& fvGeometry)
    {
        using GridGeometry = typename FVElementGeometry::GridGeometry;
 
        if constexpr (GridGeometry::discMethod == DiscretizationMethods::fcdiamond)
            if (!fvGeometry.hasBoundaryScvf())
                return;
 
        bcTypes_.resize(fvGeometry.numScv());
 
        hasDirichlet_ = false;
        hasNeumann_ = false;
 
        // boundary dofs always have boundary corresponding faces
        if constexpr (GridGeometry::discMethod == DiscretizationMethods::fcdiamond)
        {
            for (const auto& scvf : scvfs(fvGeometry))
            {
                if (scvf.boundary())
                {
                    const auto localIndex = fvGeometry.scv(scvf.insideScvIdx()).localDofIndex();
                    bcTypes_[localIndex] = problem.boundaryTypes(element, scvf);
                    hasDirichlet_ = hasDirichlet_ || bcTypes_[localIndex].hasDirichlet();
                    hasNeumann_ = hasNeumann_ || bcTypes_[localIndex].hasNeumann();
                }
            }
        }
 
        // generally, single vertices maybe on the boundary even if the face is not
        // in this case we need a different mechanism
        else
        {
            for (const auto& scv : scvs(fvGeometry))
            {
                const auto scvIdxLocal = scv.localDofIndex();
                bcTypes_[scvIdxLocal].reset();
 
                if (fvGeometry.gridGeometry().dofOnBoundary(scv.dofIndex()))
                {
                    bcTypes_[scvIdxLocal] = problem.boundaryTypes(element, scv);
                    hasDirichlet_ = hasDirichlet_ || bcTypes_[scvIdxLocal].hasDirichlet();
                    hasNeumann_ = hasNeumann_ || bcTypes_[scvIdxLocal].hasNeumann();
                }
            }
        }
    }
 
    bool hasDirichlet() const
    { return hasDirichlet_; }
 
    bool hasNeumann() const
    { return hasNeumann_; }
 
    /*
     * \brief Access operator
     * \return BoundaryTypes
     */
    [[deprecated("This operator is deprecated use get function")]]
    const BoundaryTypes& operator[] (std::size_t i) const
    {
        assert(i < bcTypes_.size());
        return bcTypes_[i];
    }
 
    /*
     * \brief Access operator
     * \return BoundaryTypes
     * \note yields undefined behaviour of the scv is not on the boundary
     */
    template<class FVElementGeometry>
    const BoundaryTypes& get(const FVElementGeometry& fvGeometry, const typename FVElementGeometry::SubControlVolumeFace& scvf) const
    {
        assert(scvf.boundary());
        const auto localDofIdx = fvGeometry.scv(scvf.insideScvIdx()).localDofIndex();
        assert(localDofIdx < bcTypes_.size());
        return bcTypes_[localDofIdx];
    }
 
    /*
     * \brief Access operator
     * \return BoundaryTypes
     * \note yields undefined behaviour of the scv is not on the boundary
     */
    template<class FVElementGeometry>
    const BoundaryTypes& get(const FVElementGeometry&, const typename FVElementGeometry::SubControlVolume& scv) const
    {
        const auto localDofIdx = scv.localDofIndex();
        assert(localDofIdx < bcTypes_.size());
        return bcTypes_[localDofIdx];
    }
 
private:
    std::vector<BoundaryTypes> bcTypes_;
    bool hasDirichlet_ = false;
    bool hasNeumann_ = false;
};
 
} // namespace Dumux
 
#endif