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33 results

AcousticSolverTest.hpp

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  • Connectivity2D.hpp 9.26 KiB
    #ifndef CONNECTIVITY_2D_HPP
    #define CONNECTIVITY_2D_HPP
    
    #include <Kokkos_Core.hpp>
    #include <PastisAssert.hpp>
    #include <TinyVector.hpp>
    
    #include <ConnectivityUtils.hpp>
    #include <vector>
    #include <map>
    #include <algorithm>
    
    #include <RefId.hpp>
    #include <RefNodeList.hpp>
    #include <RefFaceList.hpp>
    
    class Connectivity2D
    {
    public:
      static constexpr size_t dimension = 2;
    
      std::vector<RefFaceList> m_ref_face_list;
      std::vector<RefNodeList> m_ref_node_list;
    
    private:
      const size_t  m_number_of_cells;
      size_t m_number_of_faces;
      size_t m_number_of_nodes;
    
      const Kokkos::View<const unsigned short*> m_cell_nb_nodes;
      const Kokkos::View<const unsigned int**> m_cell_nodes;
      Kokkos::View<double*> m_inv_cell_nb_nodes;
    
      Kokkos::View<const unsigned short*> m_cell_nb_faces;
      Kokkos::View<unsigned int**> m_cell_faces;
    
      Kokkos::View<unsigned short*> m_node_nb_cells;
      Kokkos::View<unsigned int**> m_node_cells;
      Kokkos::View<unsigned short**> m_node_cell_local_node;
    
      Kokkos::View<unsigned short*> m_face_nb_cells;
      Kokkos::View<unsigned int**> m_face_cells;
      Kokkos::View<unsigned short**> m_face_cell_local_face;
    
      Kokkos::View<unsigned short*> m_face_nb_nodes;
      Kokkos::View<unsigned int**> m_face_nodes;
      Kokkos::View<unsigned short**> m_face_node_local_face;
    
      size_t  m_max_nb_node_per_cell;
    
      struct Face
      {
        const unsigned int m_node0_id;
        const unsigned int m_node1_id;
    
        KOKKOS_INLINE_FUNCTION
        bool operator<(const Face& f) const
        {
          return ((m_node0_id<f.m_node0_id) or
                  ((m_node0_id == f.m_node0_id) and
                   (m_node1_id<f.m_node1_id)));
        }
    
        KOKKOS_INLINE_FUNCTION
        Face& operator=(const Face&) = default;
    
        KOKKOS_INLINE_FUNCTION
        Face& operator=(Face&&) = default;
    
        KOKKOS_INLINE_FUNCTION
        Face(const Face&) = default;
    
        KOKKOS_INLINE_FUNCTION
        Face(Face&&) = default;
    
        KOKKOS_INLINE_FUNCTION
        Face(unsigned int node0_id,
             unsigned int node1_id)
            : m_node0_id(node0_id),
              m_node1_id(node1_id)
        {
          ;
        }
    
        KOKKOS_INLINE_FUNCTION
        ~Face() = default;
      };
    
      void _computeFaceCellConnectivities()
      {
        // In 2D faces are simply define
        typedef std::pair<unsigned int, unsigned short> CellFaceId;
        std::map<Face, std::vector<CellFaceId>> face_cells_map;
        for (unsigned int j=0; j<m_number_of_cells; ++j) {
          const unsigned short cell_nb_nodes = m_cell_nb_nodes[j];
          for (unsigned short r=0; r<cell_nb_nodes; ++r) {
            unsigned int node0_id = m_cell_nodes(j,r);
            unsigned int node1_id = m_cell_nodes(j,(r+1)%cell_nb_nodes);
            if (node1_id<node0_id) {
              std::swap(node0_id, node1_id);
            }
            face_cells_map[Face(node0_id, node1_id)].push_back(std::make_pair(j, r));
          }
        }
    
        m_number_of_faces = face_cells_map.size();
        Kokkos::View<unsigned short*> face_nb_nodes("face_nb_nodes", m_number_of_faces);
        Kokkos::parallel_for(m_number_of_faces, KOKKOS_LAMBDA(const unsigned int& l) {
            face_nb_nodes[l] = 2;
          });
        m_face_nb_nodes = face_nb_nodes;
    
        Kokkos::View<unsigned int*[2]> face_nodes("face_nodes", m_number_of_faces, 2);
        {
          int l=0;
          for (const auto& face_cells_vector : face_cells_map) {
            const Face& face = face_cells_vector.first;
            face_nodes(l,0) = face.m_node0_id;
            face_nodes(l,1) = face.m_node1_id;
            ++l;
          }
        }
        m_face_nodes = face_nodes;
    
        Kokkos::View<unsigned short*> face_nb_cells("face_nb_cells", m_number_of_faces);
        {
          int l=0;
          for (const auto& face_cells_vector : face_cells_map) {
            const auto& cells_vector = face_cells_vector.second;
            face_nb_cells[l] = cells_vector.size();
            ++l;
          }
        }
        m_face_nb_cells = face_nb_cells;
    
        Kokkos::View<unsigned int**> face_cells("face_cells", face_cells_map.size(), 2);
        {
          int l=0;
          for (const auto& face_cells_vector : face_cells_map) {
            const auto& cells_vector = face_cells_vector.second;
            for (unsigned short lj=0; lj<cells_vector.size(); ++lj) {
              unsigned int cell_number = cells_vector[lj].first;
              face_cells(l,lj) = cell_number;
            }
            ++l;
          }
        }
        m_face_cells = face_cells;
    
        // In 2d cell_nb_faces = cell_nb_node
        m_cell_nb_faces = m_cell_nb_nodes;
        Kokkos::View<unsigned int**> cell_faces("cell_faces", m_number_of_faces, m_max_nb_node_per_cell);
        {
          int l=0;
          for (const auto& face_cells_vector : face_cells_map) {
            const auto& cells_vector = face_cells_vector.second;
            for (unsigned short lj=0; lj<cells_vector.size(); ++lj) {
              unsigned int cell_number = cells_vector[lj].first;
              unsigned short cell_local_face = cells_vector[lj].second;
              cell_faces(cell_number,cell_local_face) = l;
            }
            ++l;
          }
        }
        m_cell_faces = cell_faces;
    
        Kokkos::View<unsigned short**> face_cell_local_face("face_cell_local_face",
                                                            m_number_of_faces, m_max_nb_node_per_cell);
        {
          int l=0;
          for (const auto& face_cells_vector : face_cells_map) {
            const auto& cells_vector = face_cells_vector.second;
            for (unsigned short lj=0; lj<cells_vector.size(); ++lj) {
              unsigned short cell_local_face = cells_vector[lj].second;
              face_cell_local_face(l,lj) = cell_local_face;
            }
            ++l;
          }
        }
        m_face_cell_local_face = face_cell_local_face;
      }
    
     public:
      void addRefFaceList(const RefFaceList& ref_face_list)
      {
        m_ref_face_list.push_back(ref_face_list);
      }
    
      size_t numberOfRefFaceList() const
      {
        return m_ref_face_list.size();
      }
    
      const RefFaceList& refFaceList(const size_t& i) const
      {
        return m_ref_face_list[i];
      }
    
      void addRefNodeList(const RefNodeList& ref_node_list)
      {
        m_ref_node_list.push_back(ref_node_list);
      }
    
      size_t numberOfRefNodeList() const
      {
        return m_ref_node_list.size();
      }
    
      const RefNodeList& refNodeList(const size_t& i) const
      {
        return m_ref_node_list[i];
      }
    
      const size_t& numberOfNodes() const
      {
        return m_number_of_nodes;
      }
    
      const size_t& numberOfFaces() const
      {
        return m_number_of_faces;
      }
    
      const size_t& numberOfCells() const
      {
        return m_number_of_cells;
      }
    
      const size_t& maxNbNodePerCell() const
      {
        return m_max_nb_node_per_cell;
      }
    
      const Kokkos::View<const unsigned int**> cellNodes() const
      {
        return m_cell_nodes;
      }
    
      const Kokkos::View<const unsigned int**> cellFaces() const
      {
        return m_cell_faces;
      }
    
      const Kokkos::View<const unsigned short*> nodeNbCells() const
      {
        return m_node_nb_cells;
      }
    
      const Kokkos::View<const unsigned short*> cellNbNodes() const
      {
        return m_cell_nb_nodes;
      }
    
      const Kokkos::View<const double*> invCellNbNodes() const
      {
        return m_inv_cell_nb_nodes;
      }
    
      const Kokkos::View<const unsigned short*> cellNbFaces() const
      {
        return m_cell_nb_faces;
      }
    
      const Kokkos::View<const unsigned short*> faceNbCells() const
      {
        return m_face_nb_cells;
      }
    
      const Kokkos::View<const unsigned short*> faceNbNodes() const
      {
        return m_face_nb_nodes;
      }
    
      const Kokkos::View<const unsigned int**> nodeCells() const
      {
        return m_node_cells;
      }
    
      const Kokkos::View<const unsigned int**> faceCells() const
      {
        return m_face_cells;
      }
    
      const Kokkos::View<const unsigned int**> faceNodes() const
      {
        return m_face_nodes;
      }
    
      const Kokkos::View<const unsigned short**> nodeCellLocalNode() const
      {
        return m_node_cell_local_node;
      }
    
      const Kokkos::View<const unsigned short**> faceCellLocalFace() const
      {
        return m_face_cell_local_face;
      }
    
      unsigned int getFaceNumber(const unsigned int node0_id,
                                 const unsigned int node1_id) const
      {
    #warning rewrite
        const unsigned int n0_id = std::min(node0_id, node1_id);
        const unsigned int n1_id = std::max(node0_id, node1_id);
        // worst code ever
        for (unsigned int l=0; l<m_number_of_faces; ++l) {
          if ((m_face_nodes(l,0) == n0_id) and (m_face_nodes(l,1) == n1_id)) {
            return l;
          }
        }
        std::cerr << "Face not found!\n";
        std::exit(0);
        return 0;
      }
    
      Connectivity2D(const Connectivity2D&) = delete;
    
      Connectivity2D(const Kokkos::View<const unsigned short*> cell_nb_nodes,
                     const Kokkos::View<const unsigned int**> cell_nodes)
        : m_number_of_cells (cell_nodes.extent(0)),
          m_cell_nb_nodes(cell_nb_nodes),
          m_cell_nodes (cell_nodes)
      {
        {
          Kokkos::View<double*> inv_cell_nb_nodes("inv_cell_nb_nodes", m_number_of_cells);
          Kokkos::parallel_for(m_number_of_cells, KOKKOS_LAMBDA(const int&j){
              inv_cell_nb_nodes[j] = 1./m_cell_nb_nodes[j];
            });
          m_inv_cell_nb_nodes = inv_cell_nb_nodes;
        }
        Assert(m_number_of_cells>0);
    
        ConnectivityUtils utils;
        utils.computeNodeCellConnectivity(m_cell_nodes,
                                          m_cell_nb_nodes,
                                          m_number_of_cells,
                                          m_max_nb_node_per_cell,
                                          m_number_of_nodes,
                                          m_node_nb_cells,
                                          m_node_cells,
                                          m_node_cell_local_node);
    
        this->_computeFaceCellConnectivities();
      }
    
      ~Connectivity2D()
      {
        ;
      }
    };
    
    #endif // CONNECTIVITY_2D_HPP