inf_elem_builder.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2026 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_INF_ELEM_BUILDER_H
#define LIBMESH_INF_ELEM_BUILDER_H
 
 
#include "libmesh/libmesh_config.h"
 
 
#ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
 
// Local includes
#include "libmesh/id_types.h"
#include "libmesh/point.h"
 
// C++ includes
#include <cstddef>
#include <set>
#include <utility>
#include <vector>
 
namespace libMesh
{
 
// Forward Declarations
class MeshBase;
class Node;
 
class InfElemBuilder
{
public:
  explicit
  InfElemBuilder(MeshBase & mesh) : _mesh(mesh) {}
 
  typedef std::pair<bool, double> InfElemOriginValue;
 
  const Point build_inf_elem (const bool be_verbose = false);
 
  const Point build_inf_elem (const InfElemOriginValue & origin_x,
                              const InfElemOriginValue & origin_y,
                              const InfElemOriginValue & origin_z,
                              const bool x_sym = false,
                              const bool y_sym = false,
                              const bool z_sym = false,
                              const bool be_verbose = false,
                              std::vector<const Node *> * inner_boundary_nodes = nullptr);
 
 
 
private:
  void build_inf_elem (const Point & origin,
                       const bool x_sym = false,
                       const bool y_sym = false,
                       const bool z_sym = false,
                       const bool be_verbose = false,
                       std::set<std::pair<dof_id_type,
                       unsigned int>> * inner_faces = nullptr);
  MeshBase & _mesh;
};
 
 
} // namespace libMesh
 
#endif // LIBMESH_ENABLE_INFINITE_ELEMENTS
#endif // LIBMESH_INF_ELEM_BUILDER_H