Line data    Source code

       1             : // The libMesh Finite Element Library.
       2             : // Copyright (C) 2002-2025 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
       3             : 
       4             : // This library is free software; you can redistribute it and/or
       5             : // modify it under the terms of the GNU Lesser General Public
       6             : // License as published by the Free Software Foundation; either
       7             : // version 2.1 of the License, or (at your option) any later version.
       8             : 
       9             : // This library is distributed in the hope that it will be useful,
      10             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             : // Lesser General Public License for more details.
      13             : 
      14             : // You should have received a copy of the GNU Lesser General Public
      15             : // License along with this library; if not, write to the Free Software
      16             : // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      17             : 
      18             : 
      19             : 
      20             : #ifndef LIBMESH_CELL_INF_PRISM6_H
      21             : #define LIBMESH_CELL_INF_PRISM6_H
      22             : 
      23             : #include "libmesh/libmesh_config.h"
      24             : 
      25             : #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
      26             : 
      27             : // Local includes
      28             : #include "libmesh/cell_inf_prism.h"
      29             : 
      30             : namespace libMesh
      31             : {
      32             : 
      33             : /**
      34             :  * The \p InfPrism6 is an infinite element in 3D composed of 6 nodes.
      35             :  * It is numbered like this:
      36             :  * \verbatim
      37             :  * INFPRISM6:
      38             :  *         5
      39             :  *         o
      40             :  *         :
      41             :  *         :         closer to infinity
      42             :  *         :
      43             :  *   3 o   :   o 4
      44             :  *     |   :   |
      45             :  *     | 2 o   |
      46             :  *     |  . .  |
      47             :  *     | .   . |
      48             :  *     |.     .|
      49             :  *     o-------o     base face
      50             :  *     0       1
      51             :  * \endverbatim
      52             :  *
      53             :  * \author Daniel Dreyer
      54             :  * \date 2002
      55             :  * \brief A 3D infinite prismatic element with 6 nodes.
      56             :  */
      57             : class InfPrism6 final : public InfPrism
      58             : {
      59             : public:
      60             : 
      61             :   /**
      62             :    * Constructor.  By default this element has no parent.
      63             :    */
      64             :   explicit
      65          44 :   InfPrism6 (Elem * p=nullptr) :
      66          44 :     InfPrism(num_nodes, p, _nodelinks_data)
      67          44 :   {}
      68             : 
      69             :   InfPrism6 (InfPrism6 &&) = delete;
      70             :   InfPrism6 (const InfPrism6 &) = delete;
      71             :   InfPrism6 & operator= (const InfPrism6 &) = delete;
      72             :   InfPrism6 & operator= (InfPrism6 &&) = delete;
      73         132 :   virtual ~InfPrism6() = default;
      74             : 
      75             :   /**
      76             :    * \returns 6.  The \p InfPrism6 has 6 nodes.
      77             :    */
      78       13723 :   virtual unsigned int n_nodes() const override { return num_nodes; }
      79             : 
      80             :   /**
      81             :    * \returns \p INFPRISM6.
      82             :    */
      83         582 :   virtual ElemType type() const override { return INFPRISM6; }
      84             : 
      85             :   /**
      86             :    * \returns 1.
      87             :    */
      88           0 :   virtual unsigned int n_sub_elem() const override { return 1; }
      89             : 
      90             :   /**
      91             :    * \returns \p true if the specified (local) node number is on the
      92             :    * specified side.
      93             :    */
      94             :   virtual bool is_node_on_side(const unsigned int n,
      95             :                                const unsigned int s) const override;
      96             : 
      97             :   virtual std::vector<unsigned int> nodes_on_side(const unsigned int s) const override;
      98             : 
      99             :   virtual std::vector<unsigned int> nodes_on_edge(const unsigned int e) const override;
     100             : 
     101             :   /**
     102             :    * \returns \p true if the specified (local) node number is on the
     103             :    * specified edge.
     104             :    */
     105             :   virtual bool is_node_on_edge(const unsigned int n,
     106             :                                const unsigned int e) const override;
     107             : 
     108             :   /**
     109             :    * \returns FIRST.
     110             :    */
     111             :   virtual Order default_order() const override;
     112             : 
     113             :   /**
     114             :    * \returns A \p TRI3 built coincident with face 0, or an \p INFQUAD4
     115             :    * built coincident with faces 1 to 3.
     116             :    *
     117             :    * \note The \p std::unique_ptr<Elem> takes care of freeing memory.
     118             :    */
     119             :   virtual std::unique_ptr<Elem> build_side_ptr (const unsigned int i) override;
     120             : 
     121             :   /**
     122             :    * Rebuilds a \p TRI3 built coincident with face 0, or an \p INFQUAD4
     123             :    * built coincident with faces 1 to 3.
     124             :    */
     125             :   virtual void build_side_ptr (std::unique_ptr<Elem> & elem,
     126             :                                const unsigned int i) override;
     127             : 
     128             :   // Avoid hiding deprecated version with different signature
     129             :   using Elem::build_side_ptr;
     130             : 
     131             :   /**
     132             :    * \returns An \p EDGE2 built coincident with edges 0 to 2, an \p INFEDGE2
     133             :    * built coincident with edges 3 to 5.
     134             :    *
     135             :    * \note that the \p std::unique_ptr<Elem> takes care of freeing memory.
     136             :    */
     137             :   virtual std::unique_ptr<Elem> build_edge_ptr (const unsigned int i) override;
     138             : 
     139             :   /**
     140             :    * Rebuilds a \p EDGE3 built coincident with edges 0 to 2, or \p
     141             :    * INFEDGE2 built coincident with edges 3 to 5.
     142             :    */
     143             :   virtual void build_edge_ptr (std::unique_ptr<Elem> & edge, const unsigned int i) override;
     144             : 
     145             :   virtual void connectivity(const unsigned int sc,
     146             :                             const IOPackage iop,
     147             :                             std::vector<dof_id_type> & conn) const override;
     148             : 
     149             :   /**
     150             :    * Geometric constants for InfPrism6.
     151             :    */
     152             :   static const int num_nodes = 6;
     153             :   static const int nodes_per_side = 4;
     154             :   static const int nodes_per_edge = 2;
     155             : 
     156             :   /**
     157             :    * This maps the \f$ j^{th} \f$ node of the \f$ i^{th} \f$ side to
     158             :    * element node numbers.
     159             :    */
     160             :   static const unsigned int side_nodes_map[num_sides][nodes_per_side];
     161             : 
     162             :   /**
     163             :    * This maps the \f$ j^{th} \f$ node of the \f$ i^{th} \f$ edge to
     164             :    * element node numbers.
     165             :    */
     166             :   static const unsigned int edge_nodes_map[num_edges][nodes_per_edge];
     167             : 
     168             :   virtual void permute(unsigned int perm_num) override final;
     169             : 
     170             :   virtual void flip(BoundaryInfo *) override final;
     171             : 
     172             :   ElemType side_type (const unsigned int s) const override final;
     173             : 
     174             : protected:
     175             : 
     176             :   /**
     177             :    * Data for links to nodes.
     178             :    */
     179             :   Node * _nodelinks_data[num_nodes];
     180             : 
     181             : 
     182             : 
     183             : #ifdef LIBMESH_ENABLE_AMR
     184             : 
     185             :   /**
     186             :    * Matrix used to create the elements children.
     187             :    */
     188        1800 :   virtual Real embedding_matrix (const unsigned int i,
     189             :                                  const unsigned int j,
     190             :                                  const unsigned int k) const override
     191        1800 :   { return _embedding_matrix[i][j][k]; }
     192             : 
     193             :   /**
     194             :    * Matrix that computes new nodal locations/solution values
     195             :    * from current nodes/solution.
     196             :    */
     197             :   static const Real _embedding_matrix[num_children][num_nodes][num_nodes];
     198             : 
     199        2100 :   LIBMESH_ENABLE_TOPOLOGY_CACHES;
     200             : 
     201             : #endif // LIBMESH_ENABLE_AMR
     202             : 
     203             : };
     204             : 
     205             : } // namespace libMesh
     206             : 
     207             : #endif  // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
     208             : 
     209             : #endif // LIBMESH_CELL_INF_PRISM6_H