libMesh
cell_hex20.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2017 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_HEX20_H
21 #define LIBMESH_CELL_HEX20_H
22 
23 // Local includes
24 #include "libmesh/cell_hex.h"
25 
26 namespace libMesh
27 {
28 
66 class Hex20 libmesh_final : public Hex
67 {
68 public:
69 
73  explicit
75  Hex(Hex20::n_nodes(), p, _nodelinks_data)
76  {}
77 
81  virtual ElemType type () const libmesh_override { return HEX20; }
82 
86  virtual unsigned int n_nodes() const libmesh_override { return 20; }
87 
91  virtual unsigned int n_sub_elem() const libmesh_override { return 1; }
92 
96  virtual bool is_vertex(const unsigned int i) const libmesh_override;
97 
101  virtual bool is_edge(const unsigned int i) const libmesh_override;
102 
106  virtual bool is_face(const unsigned int i) const libmesh_override;
107 
112  virtual bool is_node_on_side(const unsigned int n,
113  const unsigned int s) const libmesh_override;
114 
119  virtual bool is_node_on_edge(const unsigned int n,
120  const unsigned int e) const libmesh_override;
121 
126  virtual bool has_affine_map () const libmesh_override;
127 
131  virtual Order default_order() const libmesh_override { return SECOND; }
132 
136  virtual unsigned int which_node_am_i(unsigned int side,
137  unsigned int side_node) const libmesh_override;
138 
143  virtual UniquePtr<Elem> build_side_ptr (const unsigned int i,
144  bool proxy) libmesh_override;
145 
150  virtual UniquePtr<Elem> build_edge_ptr (const unsigned int i) libmesh_override;
151 
152  virtual void connectivity(const unsigned int sc,
153  const IOPackage iop,
154  std::vector<dof_id_type> & conn) const libmesh_override;
155 
159  virtual unsigned int n_second_order_adjacent_vertices (const unsigned int) const libmesh_override
160  { return 2; }
161 
168  virtual unsigned short int second_order_adjacent_vertex (const unsigned int n,
169  const unsigned int v) const libmesh_override;
170 
176  virtual std::pair<unsigned short int, unsigned short int>
177  second_order_child_vertex (const unsigned int n) const libmesh_override;
178 
183  static const unsigned int side_nodes_map[6][8];
184 
189  static const unsigned int edge_nodes_map[12][3];
190 
194  virtual Real volume () const libmesh_override;
195 
196 protected:
197 
201  Node * _nodelinks_data[20];
202 
203 
204 
205 #ifdef LIBMESH_ENABLE_AMR
206 
210  virtual float embedding_matrix (const unsigned int i,
211  const unsigned int j,
212  const unsigned int k) const libmesh_override
213  { return _embedding_matrix[i][j][k]; }
214 
219  static const float _embedding_matrix[8][20][20];
220 
222 
223 #endif // LIBMESH_ENABLE_AMR
224 
225 };
226 
227 } // namespace libMesh
228 
229 #endif // LIBMESH_CELL_HEX20_H
virtual float embedding_matrix(const unsigned int i, const unsigned int j, const unsigned int k) const libmesh_override
Matrix used to create the elements children.
Definition: cell_hex20.h:210
A Node is like a Point, but with more information.
Definition: node.h:52
The Hex20 is an element in 3D composed of 20 nodes.
Definition: cell_hex20.h:66
Hex20(Elem *p=libmesh_nullptr)
Constructor.
Definition: cell_hex20.h:74
virtual unsigned int n_second_order_adjacent_vertices(const unsigned int) const libmesh_override
Definition: cell_hex20.h:159
ElemType
Defines an enum for geometric element types.
The Hex is an element in 3D with 6 sides.
Definition: cell_hex.h:36
unsigned short int side
Definition: xdr_io.C:49
This is the base class from which all geometric element types are derived.
Definition: elem.h:89
const class libmesh_nullptr_t libmesh_nullptr
The libMesh namespace provides an interface to certain functionality in the library.
std::unique_ptr< T > UniquePtr
Definition: auto_ptr.h:46
virtual unsigned int n_nodes() const libmesh_override
Definition: cell_hex20.h:86
const dof_id_type n_nodes
Definition: tecplot_io.C:67
virtual ElemType type() const libmesh_override
Definition: cell_hex20.h:81
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
virtual Order default_order() const libmesh_override
Definition: cell_hex20.h:131
Order
defines an enum for polynomial orders.
Definition: enum_order.h:32
IOPackage
libMesh interfaces with several different software packages for the purposes of creating, reading, and writing mesh files.
virtual unsigned int n_sub_elem() const libmesh_override
Definition: cell_hex20.h:91