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_H
      21             : #define LIBMESH_CELL_INF_H
      22             : 
      23             : #include "libmesh/libmesh_config.h"
      24             : 
      25             : #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
      26             : 
      27             : // Local includes
      28             : #include "libmesh/elem.h"
      29             : 
      30             : namespace libMesh
      31             : {
      32             : 
      33             : /**
      34             :  * The \p InfCell is an abstract element type that lives in
      35             :  * three dimensions.  An infinite cell could be an infinite hexahedron,
      36             :  * or an infinite prism.
      37             :  *
      38             :  * \author Daniel Dreyer
      39             :  * \date 2003
      40             :  * \brief The base class for all 3D infinite geometric element types.
      41             :  */
      42             : class InfCell : public Elem
      43             : {
      44             : public:
      45             : 
      46             :   /**
      47             :    * Constructor.
      48             :    */
      49        1280 :   InfCell (const unsigned int nn,
      50             :            const unsigned int ns,
      51             :            Elem * p,
      52             :            Elem ** elemlinkdata,
      53        2729 :            Node ** nodelinkdata) :
      54        2729 :     Elem (nn, ns, p, elemlinkdata, nodelinkdata)
      55        1280 :   {}
      56             : 
      57             :   InfCell (InfCell &&) = delete;
      58             :   InfCell (const InfCell &) = delete;
      59             :   InfCell & operator= (const InfCell &) = delete;
      60             :   InfCell & operator= (InfCell &&) = delete;
      61        5571 :   virtual ~InfCell() = default;
      62             : 
      63             :   /**
      64             :    * \returns 3, the dimensionality of the object.
      65             :    */
      66     1596254 :   virtual unsigned short dim () const override { return 3; }
      67             : 
      68             :   /**
      69             :    * \returns \p true.  All classes derived from \p InfCell
      70             :    * are infinite elements.
      71             :    */
      72       36669 :   virtual bool infinite () const override { return true; }
      73             : 
      74             :   /**
      75             :    * \returns The origin of this infinite element.
      76             :    */
      77      454898 :   virtual Point origin () const override
      78             :   {
      79      454898 :     return (this->point(0)*2 - this->point(this->n_vertices()/2));
      80             :   }
      81             : };
      82             : 
      83             : } // namespace libMesh
      84             : 
      85             : #endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
      86             : 
      87             : #endif // LIBMESH_CELL_INF_H