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cell_inf_hex8.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2012 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_CELL_INF_HEX8_H
#define LIBMESH_CELL_INF_HEX8_H

#include "libmesh/libmesh_config.h"

#ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS

// Local includes
#include "libmesh/cell_inf_hex.h"

// C++ includes
#include <cstddef>

namespace libMesh
{




// ------------------------------------------------------------
// InfHex8 class definition
class InfHex8 : public InfHex
{
public:

  explicit
  InfHex8  (Elem* p=NULL);

  unsigned int n_nodes() const { return 8; }

  ElemType     type() const { return INFHEX8; }

  unsigned int n_sub_elem() const { return 1; }

  virtual bool is_vertex(const unsigned int i) const;

  virtual bool is_edge(const unsigned int i) const;

  virtual bool is_face(const unsigned int i) const;

  /*
   * @returns true iff the specified (local) node number is on the
   * specified side
   */
  virtual bool is_node_on_side(const unsigned int n,
                               const unsigned int s) const;

  /*
   * @returns true iff the specified (local) node number is on the
   * specified edge
   */
  virtual bool is_node_on_edge(const unsigned int n,
                               const unsigned int e) const;

  Order        default_order() const { return FIRST; }

  AutoPtr<Elem> build_side (const unsigned int i,
                            bool proxy) const;
/*   {  */
/*     // side() returns an AutoPtr to a DofObject, hence need to cast to Elem* */
/*     AutoPtr<DofObject> ap_dof_object(this->side(i)); */
/*     Elem* side = libmesh_cast_ptr<Elem*>(ap_dof_object.release()); */
/*     libmesh_assert(side); // libmesh_assert that the cast was successful */

/*     AutoPtr<Elem> ap(side); */
/*     return ap; */
/*   } */

  AutoPtr<Elem> build_edge (const unsigned int i) const;

  virtual void connectivity(const unsigned int sc,
                            const IOPackage iop,
                            std::vector<dof_id_type>& conn) const;

//   void tecplot_connectivity(const unsigned int sc,
//                          std::vector<unsigned int>& conn) const;

//   void vtk_connectivity(const unsigned int,
//                      std::vector<unsigned int>*) const
//   { libmesh_error(); }

  unsigned int vtk_element_type (const unsigned int) const
  { return 12; }

  bool contains_point (const Point& p, Real tol=TOLERANCE) const;

  static const unsigned int side_nodes_map[5][4];

  static const unsigned int edge_nodes_map[8][2];


protected:

  Node* _nodelinks_data[8];



#ifdef LIBMESH_ENABLE_AMR

  float embedding_matrix (const unsigned int i,
                          const unsigned int j,
                          const unsigned int k) const
  { return _embedding_matrix[i][j][k]; }

  static const float _embedding_matrix[4][8][8];

#endif

};



// ------------------------------------------------------------
// InfHex8 class member functions
inline
InfHex8::InfHex8(Elem* p) :
  InfHex(InfHex8::n_nodes(), p, _nodelinks_data)
{
}


} // namespace libMesh

#endif  // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS

#endif // LIBMESH_CELL_INF_HEX8_H

---

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Last modified: February 05 2013 19:54:45 UTC

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