2p2c/sequential/variableclassadaptive.hh

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#ifndef DUMUX_VARIABLECLASS2P2C_ADAPTIVE_HH
#define DUMUX_VARIABLECLASS2P2C_ADAPTIVE_HH
 
#include <dune/common/power.hh>
 
// for  parallelization
#include <dumux/porousmediumflow/sequential/variableclassadaptive.hh>
 
namespace Dumux {
template<class TypeTag>
class VariableClass2P2CAdaptive: public VariableClassAdaptive<TypeTag>
{
private:
    using ParentType = VariableClassAdaptive<TypeTag>;
    using BaseType = VariableClass<TypeTag>;
 
    using Problem = typename GET_PROP_TYPE(TypeTag, Problem);
    using Scalar = typename GET_PROP_TYPE(TypeTag, Scalar);
    using GridView = typename GET_PROP_TYPE(TypeTag, GridView);
    using CellData = typename GET_PROP_TYPE(TypeTag, CellData);
    using AdaptedValues = typename CellData::AdaptedValues;
 
    using Grid = typename GridView::Grid;
    using IdType = typename Grid::LocalIdSet::IdType;
    using IntersectionIterator = typename GridView::IntersectionIterator;
    using Intersection = typename GridView::Intersection;
    enum
    {
        dim = GridView::dimension
    };
    enum    
    {
        first = 0,
        second = 1,
        diagonal1 = 2,
        diagonal2 = 3
    };
    // convenience shortcuts for Vectors/Matrices
    using GlobalPosition = Dune::FieldVector<Scalar, GridView::dimensionworld>;
    using TransmissivityMatrix = Dune::FieldVector<Scalar,dim+1>;
 
protected:
    const static int storageRequirement = Dune::StaticPower<dim-1, dim>::power;
 
    struct mpfaData
    {
        TransmissivityMatrix T1_[(dim-1)*2];
        int globalIdx3_[storageRequirement];
        GlobalPosition globalPos3_[storageRequirement];
        std::vector<IntersectionIterator> secondHalfEdgeIntersection_;
        int interactionRegionsStored;
 
        mpfaData()
        {
            interactionRegionsStored = 0;
        }
 
        void setIntersection(IntersectionIterator& is23)
        {
            secondHalfEdgeIntersection_.push_back(is23);
            interactionRegionsStored = 2;
        }
        const IntersectionIterator& getIntersection()
        {
            return secondHalfEdgeIntersection_[0];
        }
    };
    std::map<IdType, mpfaData> irregularInterfaceMap_; 
    const Grid& grid_; 
 
public:
    VariableClass2P2CAdaptive(const GridView& gridView) :
        ParentType(gridView), grid_(gridView.grid())
    {}
 
    void adaptVariableSize(int size)
    {
        BaseType::adaptVariableSize(size);
        // clear mapper
        irregularInterfaceMap_.clear();
    }
    void reconstructPrimVars(Problem& problem)
    {
        ParentType::reconstructPrimVars(problem);
 
        problem.pressureModel().adaptPressure();
    }
 
    void storeMpfaData(const typename GridView::Intersection & irregularIs,
                       const TransmissivityMatrix& T1,
                       const GlobalPosition& globalPos3,
                       const int& globalIdx3)
    {
        IdType intersectionID = grid_.localIdSet().subId(
            irregularIs.inside(), irregularIs.indexInInside(), 1);
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique number as seen from smaller
            intersectionID = grid_.localIdSet().subId(
                irregularIs.outside(), irregularIs.indexInOutside(), 1);
 
            // store as if it was seen from smaller: change i & j
            irregularInterfaceMap_[intersectionID].T1_[first][2] = - T1[0];
            irregularInterfaceMap_[intersectionID].T1_[first][1] = - T1[1];
            irregularInterfaceMap_[intersectionID].T1_[first][0] = - T1[2];
        }
        else // we look from smaller cell = unique interface
            // proceed with numbering according to Aavatsmark, seen from cell i
            irregularInterfaceMap_[intersectionID].T1_[first] = T1;
 
        irregularInterfaceMap_[intersectionID].globalPos3_[0] = globalPos3;
        irregularInterfaceMap_[intersectionID].globalIdx3_[0] = globalIdx3;
    }
 
    void storeMpfaData(const typename GridView::Intersection & irregularIs,
                        IntersectionIterator& secondHalfEdgeIntersectionIt,
                        const TransmissivityMatrix& T1,
                        const TransmissivityMatrix& T1_secondHalfEdge,
                        const GlobalPosition& globalPos3,
                        const int& globalIdx3)
    {
        IdType intersectionID
                = grid_.localIdSet().subId(irregularIs.inside(),
                                           irregularIs.indexInInside(), 1);
 
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique number as seen from smaller
            intersectionID
                = grid_.localIdSet().subId(irregularIs.outside(),
                                           irregularIs.indexInOutside(), 1);
 
            // store as if it was seen from smaller: change i & j
            irregularInterfaceMap_[intersectionID].T1_[first][2] = - T1[0];
            irregularInterfaceMap_[intersectionID].T1_[first][1] = - T1[1];
            irregularInterfaceMap_[intersectionID].T1_[first][0] = - T1[2];
 
            irregularInterfaceMap_[intersectionID].T1_[second][2] = - T1_secondHalfEdge[0];
            irregularInterfaceMap_[intersectionID].T1_[second][1] = - T1_secondHalfEdge[1];
            irregularInterfaceMap_[intersectionID].T1_[second][0] = - T1_secondHalfEdge[2];
 
        }
        else // we look from smaller cell = unique interface
        {
            // proceed with numbering according to Aavatsmark, seen from cell i
            irregularInterfaceMap_[intersectionID].T1_[first] = T1;
            irregularInterfaceMap_[intersectionID].T1_[second] = T1_secondHalfEdge;
        }
 
        irregularInterfaceMap_[intersectionID].globalPos3_[0] = globalPos3;
        irregularInterfaceMap_[intersectionID].globalIdx3_[0] = globalIdx3;
        // second half edge
        irregularInterfaceMap_[intersectionID].setIntersection(secondHalfEdgeIntersectionIt);
    }
 
    void storeMpfaData3D(const typename GridView::Intersection & irregularIs,
                        const TransmissivityMatrix& T1,
                        const GlobalPosition& globalPos3,
                        const int& globalIdx3,
                        const GlobalPosition& globalPos4,
                        const int& globalIdx4,
                        int subFaceIdx = 0)
    {
        // if the second interaction Region (subfaceIdx=1) needs to be stored,
        // we need an offset for the second globalPos and globalIdxes
        const int offset = subFaceIdx * 2;
 
        IdType intersectionID
                = grid_.localIdSet().subId(irregularIs.inside(),
                                           irregularIs.indexInInside(), 1);
 
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique ID as seen from smaller
            intersectionID
                = grid_.localIdSet().subId(irregularIs.outside(),
                                           irregularIs.indexInOutside(), 1);
 
            // store as if it was seen from smaller: change i & j
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][0] = -T1[1];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][1] = -T1[0];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][2] = -T1[2];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][3] = -T1[3];
        }
        else
        {
            // proceed with numbering according to case2
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][0] = T1[0];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][1] = T1[1];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][2] = T1[2];
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][3] = T1[3];
        }
        irregularInterfaceMap_[intersectionID].globalPos3_[offset+0] = globalPos3;
        irregularInterfaceMap_[intersectionID].globalIdx3_[offset+0] = globalIdx3;
        irregularInterfaceMap_[intersectionID].globalPos3_[offset+1] = globalPos4;
        irregularInterfaceMap_[intersectionID].globalIdx3_[offset+1] = globalIdx4;
 
        using std::max;
        irregularInterfaceMap_[intersectionID].interactionRegionsStored
            = max(irregularInterfaceMap_[intersectionID].interactionRegionsStored, subFaceIdx+1);
    }
 
    void performTransmissitivityWeighting(const typename GridView::Intersection & irregularIs,
                       Scalar weight, int subFaceIdx = -1)
    {
        IdType intersectionID
                = grid_.localIdSet().subId(irregularIs.inside(),
                                           irregularIs.indexInInside(), 1);
 
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique ID as seen from smaller
            intersectionID
                = grid_.localIdSet().subId(irregularIs.outside(),
                                           irregularIs.indexInOutside(), 1);
        }
 
        // for subFaceIdx == -1, we weight all subfaces equally
        if(subFaceIdx == -1)
        {
            for(int i = 0; i < irregularInterfaceMap_[intersectionID].interactionRegionsStored; i++)
                irregularInterfaceMap_[intersectionID].T1_[i] *= weight;
        }
        else    //weight specifically
            irregularInterfaceMap_[intersectionID].T1_[subFaceIdx] *= weight;
    }
 
    int getMpfaData(const Intersection& irregularIs,
                        IntersectionIterator& secondHalfEdgeIntersectionIt,
                        TransmissivityMatrix& T1,
                        TransmissivityMatrix& T1_secondHalfEdge,
                        GlobalPosition& globalPos3,
                        int& globalIdx3)
    {
        IdType intersectionID
                = grid_.localIdSet().subId(irregularIs.inside(),
                                           irregularIs.indexInInside(), 1);
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique number as seen from smaller
            intersectionID
                = grid_.localIdSet().subId(irregularIs.outside(),
                                           irregularIs.indexInOutside(), 1);
 
            // check if T1ransmissibility matrix was stored for that IF
            if (irregularInterfaceMap_.find(intersectionID) == irregularInterfaceMap_.end())
                return 0; // no stored data!
 
            // If data is stored, it is so as if the IF is regarded from smaller cell.
            // since we are looking from larger cell, cells i & j have to be changed
            // Additionally, flux points in opposite direction: - sign
            T1[0] = -irregularInterfaceMap_[intersectionID].T1_[first][2];
            T1[1] = -irregularInterfaceMap_[intersectionID].T1_[first][1];
            T1[2] = -irregularInterfaceMap_[intersectionID].T1_[first][0];
            globalPos3 = irregularInterfaceMap_[intersectionID].globalPos3_[0];
            globalIdx3 = irregularInterfaceMap_[intersectionID].globalIdx3_[0];
            //second half edge
            if(irregularInterfaceMap_[intersectionID].interactionRegionsStored == 2)
            {
                secondHalfEdgeIntersectionIt = irregularInterfaceMap_[intersectionID].getIntersection();
                T1_secondHalfEdge[0] = -irregularInterfaceMap_[intersectionID].T1_[second][2];
                T1_secondHalfEdge[1] = -irregularInterfaceMap_[intersectionID].T1_[second][1];
                T1_secondHalfEdge[2] = -irregularInterfaceMap_[intersectionID].T1_[second][0];
                return 2;
            }
            return 1;
        }
        // check if T1ransmissibility matrix was stored for that IF
        if (irregularInterfaceMap_.find(intersectionID) == irregularInterfaceMap_.end())
            return 0; // no stored data!
 
        T1[0] = irregularInterfaceMap_[intersectionID].T1_[first][0];
        T1[1] = irregularInterfaceMap_[intersectionID].T1_[first][1];
        T1[2] = irregularInterfaceMap_[intersectionID].T1_[first][2];
        globalPos3 = irregularInterfaceMap_[intersectionID].globalPos3_[0];
        globalIdx3 = irregularInterfaceMap_[intersectionID].globalIdx3_[0];
        //second half edge
        if(irregularInterfaceMap_[intersectionID].interactionRegionsStored == 2)
        {
            secondHalfEdgeIntersectionIt = irregularInterfaceMap_[intersectionID].getIntersection();
            T1_secondHalfEdge = irregularInterfaceMap_[intersectionID].T1_[second];
            return 2;
        }
        return 1;
    }
 
    int getMpfaData3D(const Intersection& irregularIs,
                        TransmissivityMatrix& T1,
                        GlobalPosition& globalPos3,
                        int& globalIdx3,
                        GlobalPosition& globalPos4,
                        int& globalIdx4,
                        int subFaceIdx = 0)
    {
        // if the second interaction Region (subfaceIdx=1) needs to be stored,
        // we need an offset for the second globalPos and globalIdxes
        const int offset = subFaceIdx * 2;
 
        IdType intersectionID
                = grid_.localIdSet().subId(irregularIs.inside(),
                                           irregularIs.indexInInside(), 1);
        // mapping is only unique from smaller cell (if *inside and not *outside)
        if (irregularIs.inside().level() < irregularIs.outside().level())
        {
            // IS is regarded from larger cell: get the unique number as seen from smaller
            intersectionID
                = grid_.localIdSet().subId(irregularIs.outside(),
                                           irregularIs.indexInOutside(), 1);
 
            // check if T1ransmissibility matrix was stored for that IF
            if (irregularInterfaceMap_.find(intersectionID) == irregularInterfaceMap_.end())
                return 0; // no stored data!
 
            // If data is stored, it is so as if the IF is regarded from smaller cell.
            // since we are looking from larger cell, cells i & j have to be changed
            // Additionally, flux points in opposite direction: - sign
            T1[0] = -irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][1];
            T1[1] = -irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][0];
            T1[2] = -irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][2];
            T1[3] = -irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][3];
 
        }
        else
        {
            // check if T1ransmissibility matrix was stored for that IF
            if (irregularInterfaceMap_.find(intersectionID) == irregularInterfaceMap_.end())
                return 0; // no stored data!
 
            T1[0] = irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][0];
            T1[1] = irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][1];
            T1[2] = irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][2];
            T1[3] = irregularInterfaceMap_[intersectionID].T1_[subFaceIdx][3];
        }
 
        // return what does not depend on direction: additional cells
        globalPos3 = irregularInterfaceMap_[intersectionID].globalPos3_[offset+0];
        globalIdx3 = irregularInterfaceMap_[intersectionID].globalIdx3_[offset+0];
        globalPos4 = irregularInterfaceMap_[intersectionID].globalPos3_[offset+1];
        globalIdx4 = irregularInterfaceMap_[intersectionID].globalIdx3_[offset+1];
 
        return irregularInterfaceMap_[intersectionID].interactionRegionsStored;
    }
 
};
} // end namespace Dumux
#endif