discretization/porenetwork/subcontrolvolumeface.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_DISCRETIZATION_PNM_SUBCONTROLVOLUMEFACE_HH
#define DUMUX_DISCRETIZATION_PNM_SUBCONTROLVOLUMEFACE_HH
 
#include <dune/geometry/axisalignedcubegeometry.hh>
#include <dumux/common/indextraits.hh>
 
namespace Dumux::PoreNetwork {
 
template<class GridView>
struct PNMDefaultScvfGeometryTraits
{
    using Grid = typename GridView::Grid;
    static constexpr int dim = Grid::dimension;
    static constexpr int dimWorld = Grid::dimensionworld;
 
    using GridIndexType = typename IndexTraits<GridView>::GridIndex;
    using LocalIndexType = typename IndexTraits<GridView>::LocalIndex;
 
    using Scalar = typename Grid::ctype;
    using GlobalPosition = Dune::FieldVector<Scalar, dimWorld>;
    using CornerStorage = std::array<Dune::FieldVector<Scalar, dimWorld>, 1>;
    using Geometry = Dune::AxisAlignedCubeGeometry<Scalar, dim-1, dimWorld>;
 
};
 
template<class GV,
         class T = PNMDefaultScvfGeometryTraits<GV> >
class PNMSubControlVolumeFace
{
    using ThisType = PNMSubControlVolumeFace<GV, T>;
    using GridIndexType = typename T::GridIndexType;
    using LocalIndexType = typename T::LocalIndexType;
    using Scalar = typename T::Scalar;
 
public:
    using GlobalPosition = typename T::GlobalPosition;
    using Traits = T;
 
    PNMSubControlVolumeFace() = default;
 
    PNMSubControlVolumeFace(const GlobalPosition& center,
                            const GlobalPosition& unitOuterNormal,
                            const Scalar& area,
                            GridIndexType scvfIndex,
                            std::array<LocalIndexType, 2>&& scvIndices)
    : center_(center),
      unitOuterNormal_(unitOuterNormal),
      area_(area),
      scvfIndex_(scvfIndex),
      scvIndices_(std::move(scvIndices))
    {}
 
    const GlobalPosition& center() const
    { return center_; }
 
    const GlobalPosition& ipGlobal() const
    { return center_; }
 
    Scalar area() const
    { return area_; }
 
    bool boundary() const
    { return false; }
 
    const GlobalPosition& unitOuterNormal() const
    { return unitOuterNormal_; }
 
    LocalIndexType insideScvIdx() const
    { return scvIndices_[0]; }
 
    // This results in undefined behaviour if boundary is true
    LocalIndexType outsideScvIdx() const
    { return scvIndices_[1]; }
 
    GridIndexType index() const
    { return scvfIndex_; }
 
private:
    GlobalPosition center_;
    GlobalPosition unitOuterNormal_;
    Scalar area_;
    GridIndexType scvfIndex_;
    std::array<LocalIndexType, 2> scvIndices_;
};
 
} // end namespace Dumux::PoreNetwork
 
#endif