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edge_edge3.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_EDGE_EDGE3_H
21 #define LIBMESH_EDGE_EDGE3_H
22 
23 // Local includes
24 #include "libmesh/libmesh_common.h"
25 #include "libmesh/edge.h"
26 
27 namespace libMesh
28 {
29 
46 class Edge3 : public Edge
47 {
48 public:
49 
53  explicit
54  Edge3 (Elem * p=nullptr) :
56 
57  Edge3 (Edge3 &&) = delete;
58  Edge3 (const Edge3 &) = delete;
59  Edge3 & operator= (const Edge3 &) = delete;
60  Edge3 & operator= (Edge3 &&) = delete;
61  virtual ~Edge3() = default;
62 
67  virtual Point master_point (const unsigned int i) const override
68  {
69  libmesh_assert_less(i, this->n_nodes());
70  if (i < 2)
71  return Point(2.0f*Real(i)-1.0f,0,0);
72  return Point(0,0,0);
73  }
74 
78  virtual unsigned int n_nodes() const override { return num_nodes; }
79 
83  virtual unsigned int n_sub_elem() const override { return 2; }
84 
88  virtual bool is_vertex(const unsigned int i) const override;
89 
93  virtual bool is_edge(const unsigned int i) const override;
94 
98  virtual bool is_face(const unsigned int i) const override;
99 
104  virtual bool is_node_on_side(const unsigned int n,
105  const unsigned int s) const override;
106 
111  virtual bool is_node_on_edge(const unsigned int n,
112  const unsigned int e) const override;
113 
118  virtual bool has_affine_map () const override;
119 
126  virtual bool has_invertible_map(Real tol) const override;
127 
131  virtual ElemType type() const override { return EDGE3; }
132 
136  virtual Order default_order() const override;
137 
138  virtual void connectivity(const unsigned int sc,
139  const IOPackage iop,
140  std::vector<dof_id_type> & conn) const override;
141 
145  virtual unsigned int n_second_order_adjacent_vertices (const unsigned int) const override
146  { return 2; }
147 
152  virtual unsigned short int second_order_adjacent_vertex (const unsigned int,
153  const unsigned int v) const override
154  { return static_cast<unsigned short int>(v); }
155 
161  virtual std::pair<unsigned short int, unsigned short int>
162  second_order_child_vertex (const unsigned int n) const override;
163 
167  virtual Real volume () const override;
168 
173  virtual BoundingBox loose_bounding_box () const override;
174 
175 #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
176 
180  virtual bool infinite () const override { return false; }
181 
182 #endif
183 
187  using Edge::key;
188 
195  virtual dof_id_type key () const override;
196 
200  static const int num_nodes = 3;
201 
202  virtual void flip(BoundaryInfo *) override final;
203 
204 protected:
205 
210 
211 
212 
213 #ifdef LIBMESH_ENABLE_AMR
214 
218  virtual Real embedding_matrix (const unsigned int i,
219  const unsigned int j,
220  const unsigned int k) const override
221  { return _embedding_matrix[i][j][k]; }
222 
228 
230 
231 #endif // LIBMESH_ENABLE_AMR
232 
233 };
234 
235 } // namespace libMesh
236 
237 
238 #endif // LIBMESH_EDGE_EDGE3_H
LIBMESH_ENABLE_TOPOLOGY_CACHES
Definition: edge_edge3.h:229
ElemType
Defines an enum for geometric element types.
virtual std::pair< unsigned short int, unsigned short int > second_order_child_vertex(const unsigned int n) const override
Definition: edge_edge3.C:217
virtual bool is_face(const unsigned int i) const override
Definition: edge_edge3.C:69
Order
defines an enum for polynomial orders.
Definition: enum_order.h:40
virtual Point master_point(const unsigned int i) const override
Definition: edge_edge3.h:67
A Node is like a Point, but with more information.
Definition: node.h:52
Edge3 & operator=(const Edge3 &)=delete
virtual unsigned short int second_order_adjacent_vertex(const unsigned int, const unsigned int v) const override
Definition: edge_edge3.h:152
virtual dof_id_type key() const
Definition: elem.C:753
virtual unsigned int n_second_order_adjacent_vertices(const unsigned int) const override
Definition: edge_edge3.h:145
IOPackage
libMesh interfaces with several different software packages for the purposes of creating, reading, and writing mesh files.
virtual bool is_node_on_edge(const unsigned int n, const unsigned int e) const override
Definition: edge_edge3.C:82
virtual void flip(BoundaryInfo *) override final
Flips the element (by swapping node and neighbor pointers) to have a mapping Jacobian of opposite sig...
Definition: edge_edge3.C:297
This is the base class from which all geometric element types are derived.
Definition: elem.h:94
virtual BoundingBox loose_bounding_box() const override
Definition: edge_edge3.C:269
virtual bool is_node_on_side(const unsigned int n, const unsigned int s) const override
Definition: edge_edge3.C:74
virtual Real volume() const override
An optimized method for computing the length of a 3-node edge.
Definition: edge_edge3.C:224
Edge3(Elem *p=nullptr)
Constructor.
Definition: edge_edge3.h:54
The libMesh namespace provides an interface to certain functionality in the library.
Node * _nodelinks_data[num_nodes]
Data for links to nodes.
Definition: edge_edge3.h:209
virtual Order default_order() const override
Definition: edge_edge3.C:140
virtual unsigned int n_sub_elem() const override
Definition: edge_edge3.h:83
static const int num_children
Definition: edge.h:66
virtual unsigned int n_nodes() const override
Definition: edge_edge3.h:78
virtual void connectivity(const unsigned int sc, const IOPackage iop, std::vector< dof_id_type > &conn) const override
Definition: edge_edge3.C:147
The BoundaryInfo class contains information relevant to boundary conditions including storing faces...
Definition: boundary_info.h:57
virtual bool is_edge(const unsigned int i) const override
Definition: edge_edge3.C:62
The Edge3 is an element in 1D composed of 3 nodes.
Definition: edge_edge3.h:46
Defines a Cartesian bounding box by the two corner extremum.
Definition: bounding_box.h:40
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
virtual bool has_invertible_map(Real tol) const override
Definition: edge_edge3.C:100
virtual ~Edge3()=default
The Edge is an element in 1D.
Definition: edge.h:37
static const int num_nodes
Geometric constants for Edge3.
Definition: edge_edge3.h:200
static const Real _embedding_matrix[num_children][num_nodes][num_nodes]
Matrix that computes new nodal locations/solution values from current nodes/solution.
Definition: edge_edge3.h:227
A Point defines a location in LIBMESH_DIM dimensional Real space.
Definition: point.h:39
virtual dof_id_type key() const override
Compute a unique key for this element which is suitable for hashing (not necessarily unique...
Definition: edge_edge3.C:291
virtual bool has_affine_map() const override
Definition: edge_edge3.C:91
virtual ElemType type() const override
Definition: edge_edge3.h:131
virtual bool infinite() const override
Definition: edge_edge3.h:180
virtual bool is_vertex(const unsigned int i) const override
Definition: edge_edge3.C:55
uint8_t dof_id_type
Definition: id_types.h:67
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.
Definition: edge_edge3.h:218