multidomain/facet/box/elementboundarytypes.hh

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#ifndef DUMUX_FACET_COUPLING_BOX_ELEMENT_BOUNDARY_TYPES_HH
#define DUMUX_FACET_COUPLING_BOX_ELEMENT_BOUNDARY_TYPES_HH
 
#include <cassert>
#include <vector>
 
#include <dumux/discretization/box/elementboundarytypes.hh>
 
namespace Dumux {
 
template<class BTypes>
class BoxFacetCouplingElementBoundaryTypes : public BoxElementBoundaryTypes<BTypes>
{
 
public:
    template<class Problem, class Element, class FVElementGeometry>
    void update(const Problem &problem,
                const Element &element,
                const FVElementGeometry &fvGeometry)
    {
        using GridGeometry = typename FVElementGeometry::GridGeometry;
        using GridView = typename GridGeometry::GridView;
 
        this->vertexBCTypes_.resize( element.subEntities(GridView::dimension) );
 
        this->hasDirichlet_ = false;
        this->hasNeumann_ = false;
        this->hasOutflow_ = false;
 
        for (const auto& scv : scvs(fvGeometry))
        {
            int scvIdxLocal = scv.localDofIndex();
            this->vertexBCTypes_[scvIdxLocal].reset();
 
            // lambda to update the element boundary info
            auto updateElemBCInfo = [&] (const BTypes& bcTypes)
            {
                this->hasDirichlet_ = this->hasDirichlet_ || this->vertexBCTypes_[scvIdxLocal].hasDirichlet();
                this->hasNeumann_ = this->hasNeumann_ || this->vertexBCTypes_[scvIdxLocal].hasNeumann();
                this->hasOutflow_ = this->hasOutflow_ || this->vertexBCTypes_[scvIdxLocal].hasOutflow();
            };
 
            // We have to have Neumann-type BCs on nodes that touch interior boundaries
            if (fvGeometry.gridGeometry().dofOnInteriorBoundary(scv.dofIndex()))
            {
                this->vertexBCTypes_[scvIdxLocal].setAllNeumann();
                updateElemBCInfo(this->vertexBCTypes_[scvIdxLocal]);
            }
 
            // otherwise, let the problem decide
            else if (fvGeometry.gridGeometry().dofOnBoundary(scv.dofIndex()))
            {
                this->vertexBCTypes_[scvIdxLocal] = problem.boundaryTypes(element, scv);
                updateElemBCInfo(this->vertexBCTypes_[scvIdxLocal]);
            }
        }
    }
};
 
} // namespace Dumux
 
#endif