libMesh
face_inf_quad.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2019 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_FACE_INF_QUAD_H
21 #define LIBMESH_FACE_INF_QUAD_H
22 
23 #include "libmesh/libmesh_config.h"
24 
25 #ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
26 
27 // Local includes
28 #include "libmesh/elem.h"
29 
30 namespace libMesh
31 {
32 
56 class InfQuad : public Elem
57 {
58 public:
59 
63  explicit
64  InfQuad (const unsigned int nn,
65  Elem * p,
66  Node ** nodelinkdata) :
67  Elem(nn, InfQuad::n_sides(), p, _elemlinks_data, nodelinkdata)
68  {
69  // Make sure the interior parent isn't undefined
70  if (LIBMESH_DIM > 2)
71  this->set_interior_parent(nullptr);
72  }
73 
74  InfQuad (InfQuad &&) = delete;
75  InfQuad (const InfQuad &) = delete;
76  InfQuad & operator= (const InfQuad &) = delete;
77  InfQuad & operator= (InfQuad &&) = delete;
78  virtual ~InfQuad() = default;
79 
84  virtual Point master_point (const unsigned int i) const override final
85  {
86  libmesh_assert_less(i, this->n_nodes());
87  return Point(_master_points[i][0],
88  _master_points[i][1],
89  _master_points[i][2]);
90  }
91 
95  virtual unsigned short dim() const override final { return 2; }
96 
102  virtual unsigned int n_sides() const override final { return 3; }
103 
107  virtual unsigned int n_vertices() const override final { return 4; }
108 
113  virtual unsigned int n_edges() const override final { return 3; }
114 
118  virtual unsigned int n_faces() const override final { return 0; }
119 
123  virtual unsigned int n_children() const override final { return 2; }
124 
129  virtual bool is_mid_infinite_edge_node(const unsigned int i) const
130  override final { return (i > 2 && i < 4); }
131 
135  virtual bool is_child_on_side(const unsigned int c,
136  const unsigned int s) const override final;
137 
141  using Elem::key;
142 
148  virtual dof_id_type key (const unsigned int s) const override;
149 
153  virtual unsigned int which_node_am_i(unsigned int side,
154  unsigned int side_node) const override;
155 
159  virtual std::unique_ptr<Elem> side_ptr (const unsigned int i) override final;
160 
164  virtual void side_ptr (std::unique_ptr<Elem> & side, const unsigned int i) override final;
165 
169  virtual std::unique_ptr<Elem> build_edge_ptr (const unsigned int i) override final
170  { return build_side_ptr(i); }
171 
175  virtual bool is_edge_on_side(const unsigned int e,
176  const unsigned int s) const override final
177  { return (e == s); }
178 
183  virtual Real quality (const ElemQuality q) const override;
184 
190  virtual std::pair<Real, Real> qual_bounds (const ElemQuality q) const override;
191 
196  virtual bool infinite () const override final { return true; }
197 
201  virtual Point origin () const override final
202  {
203  return ( this->point(0)*2 - this->point(this->n_vertices()/2) );
204  }
205 
206 
207 protected:
208 
212  Elem * _elemlinks_data[4+(LIBMESH_DIM>2)];
213 
217  static const Real _master_points[6][3];
218 };
219 
220 } // namespace libMesh
221 
222 
223 #endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
224 
225 #endif // LIBMESH_FACE_INF_QUAD_H
virtual unsigned int n_faces() const override final
A Node is like a Point, but with more information.
Definition: node.h:52
virtual ~InfQuad()=default
static const Real _master_points[6][3]
Master element node locations.
virtual Real quality(const ElemQuality q) const override
virtual unsigned int n_edges() const override final
virtual bool is_child_on_side(const unsigned int c, const unsigned int s) const override final
virtual dof_id_type key() const
This is the base class from which all geometric element types are derived.
Definition: elem.h:101
virtual std::unique_ptr< Elem > build_edge_ptr(const unsigned int i) override final
build_edge_ptr() and build_side_ptr() are identical in 2D.
The libMesh namespace provides an interface to certain functionality in the library.
void set_interior_parent(Elem *p)
Sets the pointer to the element&#39;s interior_parent.
virtual bool is_edge_on_side(const unsigned int e, const unsigned int s) const override final
is_edge_on_side is trivial in 2D.
virtual std::unique_ptr< Elem > build_side_ptr(const unsigned int i, bool proxy=true)=0
virtual unsigned int which_node_am_i(unsigned int side, unsigned int side_node) const override
virtual unsigned int n_vertices() const override final
virtual std::unique_ptr< Elem > side_ptr(const unsigned int i) override final
virtual Point origin() const override final
virtual unsigned int n_nodes() const =0
virtual unsigned short dim() const override final
Definition: face_inf_quad.h:95
The InfQuad is an abstract element type that lives in two dimensions.
Definition: face_inf_quad.h:56
ElemQuality
Defines an enum for element quality metrics.
InfQuad(const unsigned int nn, Elem *p, Node **nodelinkdata)
Constructor.
Definition: face_inf_quad.h:64
virtual bool is_mid_infinite_edge_node(const unsigned int i) const override final
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
Elem * _elemlinks_data[4+(LIBMESH_DIM >2)]
Data for links to parent/neighbor/interior_parent elements.
virtual bool infinite() const override final
virtual unsigned int n_sides() const override final
virtual std::pair< Real, Real > qual_bounds(const ElemQuality q) const override
virtual unsigned int n_children() const override final
virtual Point master_point(const unsigned int i) const override final
Definition: face_inf_quad.h:84
A Point defines a location in LIBMESH_DIM dimensional Real space.
Definition: point.h:38
const Point & point(const unsigned int i) const
Definition: elem.h:1920
InfQuad & operator=(const InfQuad &)=delete
uint8_t dof_id_type
Definition: id_types.h:67