periodic_boundaries.C
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2014 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 // Local Includes -----------------------------------
19 #include "libmesh/libmesh_config.h"
20 
21 #ifdef LIBMESH_ENABLE_PERIODIC
22 
25 #include "libmesh/elem.h"
27 
28 namespace libMesh {
29 
30 // ------------------------------------------------------------
31 // PeriodicBoundaries member functions
32 
33 
35 {
36  for (std::map<boundary_id_type, PeriodicBoundaryBase*>::iterator it = begin(); it != end(); ++it)
37  delete it->second;
38 }
39 
40 
41 
43 {
44  iterator i = this->find(id);
45  if (i == this->end())
46  return NULL;
47  return i->second;
48 }
49 
50 
51 
53 {
54  const_iterator i = this->find(id);
55  if (i == this->end())
56  return NULL;
57  return i->second;
58 }
59 
60 
61 
62 
64  const PointLocatorBase& point_locator,
65  const Elem* e,
66  unsigned int side) const
67 {
68  // Find a point on that side (and only that side)
69 
70  Point p = e->build_side(side)->centroid();
71 
72  const PeriodicBoundaryBase *b = this->boundary(boundary_id);
73  libmesh_assert (b);
74  p = b->get_corresponding_pos(p);
75 
76  return point_locator.operator()(p);
77 }
78 
79 } // namespace libMesh
80 
81 
82 
83 
84 
85 #endif // LIBMESH_ENABLE_PERIODIC

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