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cell_inf_hex8.h
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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_HEX8_H
21 #define LIBMESH_CELL_INF_HEX8_H
22 
23 #include "libmesh/libmesh_config.h"
24 
25 #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
26 
27 // Local includes
28 #include "libmesh/cell_inf_hex.h"
29 
30 namespace libMesh
31 {
32 
55 class InfHex8 final : public InfHex
56 {
57 public:
58 
62  explicit
63  InfHex8 (Elem * p=nullptr) :
65  {}
66 
67  InfHex8 (InfHex8 &&) = delete;
68  InfHex8 (const InfHex8 &) = delete;
69  InfHex8 & operator= (const InfHex8 &) = delete;
70  InfHex8 & operator= (InfHex8 &&) = delete;
71  virtual ~InfHex8() = default;
72 
76  virtual unsigned int n_nodes() const override { return num_nodes; }
77 
81  virtual ElemType type() const override { return INFHEX8; }
82 
86  virtual unsigned int n_sub_elem() const override { return 1; }
87 
92  virtual bool is_node_on_side(const unsigned int n,
93  const unsigned int s) const override;
94 
95  virtual std::vector<unsigned int> nodes_on_side(const unsigned int s) const override;
96 
97  virtual std::vector<unsigned int> nodes_on_edge(const unsigned int e) const override;
98 
103  virtual bool is_node_on_edge(const unsigned int n,
104  const unsigned int e) const override;
105 
109  virtual Order default_order() const override;
110 
117  virtual std::unique_ptr<Elem> build_side_ptr (const unsigned int i) override;
118 
123  virtual void build_side_ptr (std::unique_ptr<Elem> & elem,
124  const unsigned int i) override;
125 
126  // Avoid hiding deprecated version with different signature
127  using Elem::build_side_ptr;
128 
135  virtual std::unique_ptr<Elem> build_edge_ptr (const unsigned int i) override;
136 
141  virtual void build_edge_ptr (std::unique_ptr<Elem> & edge, const unsigned int i) override;
142 
143  virtual void connectivity(const unsigned int sc,
144  const IOPackage iop,
145  std::vector<dof_id_type> & conn) const override;
146 
147  unsigned int vtk_element_type (const unsigned int) const
148  { return 12; }
149 
153  static const int num_nodes = 8;
154  static const int nodes_per_side = 4;
155  static const int nodes_per_edge = 2;
156 
161  static const unsigned int side_nodes_map[num_sides][nodes_per_side];
162 
167  static const unsigned int edge_nodes_map[num_edges][nodes_per_edge];
168 
169  virtual void permute(unsigned int perm_num) override final;
170 
171  virtual void flip(BoundaryInfo *) override final;
172 
173  ElemType side_type (const unsigned int s) const override final;
174 
175 protected:
176 
181 
182 
183 
184 #ifdef LIBMESH_ENABLE_AMR
185 
189  virtual Real embedding_matrix (const unsigned int i,
190  const unsigned int j,
191  const unsigned int k) const override
192  { return _embedding_matrix[i][j][k]; }
193 
199 
201 
202 #endif // LIBMESH_ENABLE_AMR
203 
204 };
205 
206 } // namespace libMesh
207 
208 #endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
209 
210 #endif // LIBMESH_CELL_INF_HEX8_H
static const Real _embedding_matrix[num_children][num_nodes][num_nodes]
Matrix that computes new nodal locations/solution values from current nodes/solution.
virtual void permute(unsigned int perm_num) override final
Permutes the element (by swapping node and neighbor pointers) according to the specified index...
InfHex8(Elem *p=nullptr)
Constructor.
Definition: cell_inf_hex8.h:63
static const int num_children
Definition: cell_inf_hex.h:85
ElemType
Defines an enum for geometric element types.
virtual bool is_node_on_edge(const unsigned int n, const unsigned int e) const override
Definition: cell_inf_hex8.C:89
ElemType side_type(const unsigned int s) const override final
The InfHex8 is an infinite element in 3D composed of 8 nodes.
Definition: cell_inf_hex8.h:55
Order
defines an enum for polynomial orders.
Definition: enum_order.h:40
virtual unsigned int n_nodes() const override
Definition: cell_inf_hex8.h:76
A Node is like a Point, but with more information.
Definition: node.h:52
static const int num_sides
Geometric constants for all InfHexes.
Definition: cell_inf_hex.h:83
virtual std::unique_ptr< Elem > build_side_ptr(const unsigned int i)=0
virtual unsigned int n_sub_elem() const override
Definition: cell_inf_hex8.h:86
IOPackage
libMesh interfaces with several different software packages for the purposes of creating, reading, and writing mesh files.
unsigned int vtk_element_type(const unsigned int) const
This is the base class from which all geometric element types are derived.
Definition: elem.h:94
virtual ElemType type() const override
Definition: cell_inf_hex8.h:81
virtual void flip(BoundaryInfo *) override final
Flips the element (by swapping node and neighbor pointers) to have a mapping Jacobian of opposite sig...
static const int nodes_per_side
The libMesh namespace provides an interface to certain functionality in the library.
virtual std::unique_ptr< Elem > build_edge_ptr(const unsigned int i) override
InfHex8 & operator=(const InfHex8 &)=delete
static const int num_edges
Definition: cell_inf_hex.h:84
virtual Order default_order() const override
virtual void connectivity(const unsigned int sc, const IOPackage iop, std::vector< dof_id_type > &conn) const override
The InfHex is an element in 3D with 5 sides.
Definition: cell_inf_hex.h:46
The BoundaryInfo class contains information relevant to boundary conditions including storing faces...
Definition: boundary_info.h:57
virtual std::vector< unsigned int > nodes_on_edge(const unsigned int e) const override
Definition: cell_inf_hex8.C:83
virtual ~InfHex8()=default
virtual Real embedding_matrix(const unsigned int i, const unsigned int j, const unsigned int k) const override
Matrix used to create the elements children.
virtual std::unique_ptr< Elem > build_side_ptr(const unsigned int i) override
virtual std::vector< unsigned int > nodes_on_side(const unsigned int s) const override
Definition: cell_inf_hex8.C:76
static const unsigned int side_nodes_map[num_sides][nodes_per_side]
This maps the node of the side to element node numbers.
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
static const unsigned int edge_nodes_map[num_edges][nodes_per_edge]
This maps the node of the side to element node numbers.
static const int num_nodes
Geometric constants for InfHex8.
static const int nodes_per_edge
virtual bool is_node_on_side(const unsigned int n, const unsigned int s) const override
Definition: cell_inf_hex8.C:66
Node * _nodelinks_data[num_nodes]
Data for links to nodes.