discretization/cellcentered/mpfa/omethod/localsubcontrolentities.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-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_DISCRETIZATION_CC_MPFA_O_LOCAL_SUBCONTROLENTITIES_HH
#define DUMUX_DISCRETIZATION_CC_MPFA_O_LOCAL_SUBCONTROLENTITIES_HH
 
#include <dune/common/fvector.hh>
 
namespace Dumux
{
 
template< class IvIndexSet, class Scalar, int dim, int dimWorld>
class CCMpfaOInteractionVolumeLocalScv
{
 
public:
    // export some types
    using GridIndexType = typename IvIndexSet::GridIndexType;
    using LocalIndexType = typename IvIndexSet::LocalIndexType;
    using GlobalCoordinate = Dune::FieldVector<Scalar, dimWorld>;
    using ctype = typename GlobalCoordinate::value_type;
    using LocalBasis = std::array< GlobalCoordinate, dim >;
 
    static constexpr int myDimension = dim;
    static constexpr int worldDimension = dimWorld;
 
    CCMpfaOInteractionVolumeLocalScv() = default;
 
    template<class MpfaHelper, class FVElementGeometry, class SubControlVolume>
    CCMpfaOInteractionVolumeLocalScv(const MpfaHelper& helper,
                                     const FVElementGeometry& fvGeometry,
                                     const SubControlVolume& scv,
                                     const LocalIndexType localIndex,
                                     const IvIndexSet& indexSet)
    : indexSet_(&indexSet)
    , globalScvIndex_(scv.dofIndex())
    , localDofIndex_(localIndex)
    {
        // center of the global scv
        const auto& center = scv.center();
 
        // set up local basis
        LocalBasis localBasis;
        for (unsigned int coordIdx = 0; coordIdx < myDimension; ++coordIdx)
        {
            const auto scvfIdx = indexSet.nodalIndexSet().gridScvfIndex(localDofIndex_, coordIdx);
            const auto& scvf = fvGeometry.scvf(scvfIdx);
            localBasis[coordIdx] = scvf.ipGlobal();
            localBasis[coordIdx] -= center;
        }
 
        nus_ = helper.calculateInnerNormals(localBasis);
        detX_ = helper.calculateDetX(localBasis);
    }
 
    ctype detX() const
    { return detX_; }
 
    GridIndexType gridScvIndex() const
    { return globalScvIndex_; }
 
    LocalIndexType localDofIndex() const
    { return localDofIndex_; }
 
    LocalIndexType localScvfIndex(unsigned int coordDir) const
    {
        assert(coordDir < myDimension);
        return indexSet_->localScvfIndex(localDofIndex_, coordDir);
    }
 
    const GlobalCoordinate& nu(unsigned int coordDir) const
    {
        assert(coordDir < myDimension);
        return nus_[coordDir];
    }
 
private:
    const IvIndexSet* indexSet_;
    GridIndexType globalScvIndex_;
    LocalIndexType localDofIndex_;
    LocalBasis nus_;
    ctype detX_;
};
 
template< class IvIndexSet >
struct CCMpfaOInteractionVolumeLocalScvf
{
  using ScvfNeighborLocalIndexSet = typename IvIndexSet::ScvfNeighborLocalIndexSet;
 
public:
    // export index types
    using GridIndexType = typename IvIndexSet::GridIndexType;
    using LocalIndexType = typename IvIndexSet::LocalIndexType;
 
    CCMpfaOInteractionVolumeLocalScvf() = default;
 
    template< class SubControlVolumeFace >
    CCMpfaOInteractionVolumeLocalScvf(const SubControlVolumeFace& scvf,
                                      const ScvfNeighborLocalIndexSet& localScvIndices,
                                      const LocalIndexType localDofIdx,
                                      const bool isDirichlet)
    : isDirichlet_(isDirichlet)
    , scvfIdxGlobal_(scvf.index())
    , localDofIndex_(localDofIdx)
    , neighborScvIndicesLocal_(&localScvIndices)
    {}
 
    LocalIndexType localDofIndex() const { return localDofIndex_; }
 
    GridIndexType gridScvfIndex() const { return scvfIdxGlobal_; }
 
    const ScvfNeighborLocalIndexSet& neighboringLocalScvIndices() const { return *neighborScvIndicesLocal_; }
 
    bool isDirichlet() const { return isDirichlet_; }
 
private:
    bool isDirichlet_;
    GridIndexType scvfIdxGlobal_;
    LocalIndexType localDofIndex_;
    const ScvfNeighborLocalIndexSet* neighborScvIndicesLocal_;
};
 
} // end namespace Dumux
 
#endif