libMesh
quadrature_monomial.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_QUADRATURE_MONOMIAL_H
21 #define LIBMESH_QUADRATURE_MONOMIAL_H
22 
23 // Local includes
24 #include "libmesh/quadrature.h"
25 
26 namespace libMesh
27 {
28 
58 class QMonomial final : public QBase
59 {
60 public:
61 
65  QMonomial (unsigned int dim,
66  Order order=INVALID_ORDER) :
67  QBase(dim,order)
68  {}
69 
74  QMonomial (const QMonomial &) = default;
75  QMonomial (QMonomial &&) = default;
76  QMonomial & operator= (const QMonomial &) = default;
77  QMonomial & operator= (QMonomial &&) = default;
78  virtual ~QMonomial() = default;
79 
83  virtual QuadratureType type() const override;
84 
85 
86 private:
87 
92  virtual void init_1D (const ElemType, unsigned int) override;
93  virtual void init_2D (const ElemType, unsigned int) override;
94  virtual void init_3D (const ElemType, unsigned int) override;
95 
108  void wissmann_rule(const Real rule_data[][3],
109  const unsigned int n_pts);
110 
131  void stroud_rule(const Real rule_data[][3],
132  const unsigned int * rule_symmetry,
133  const unsigned int n_pts);
134 
175  void kim_rule(const Real rule_data[][4],
176  const unsigned int * rule_id,
177  const unsigned int n_pts);
178 };
179 
180 } // namespace libMesh
181 
182 #endif // LIBMESH_QUADRATURE_MONOMIAL_H
libMesh::QBase
The QBase class provides the basic functionality from which various quadrature rules can be derived.
Definition: quadrature.h:61
libMesh::QMonomial::stroud_rule
void stroud_rule(const Real rule_data[][3], const unsigned int *rule_symmetry, const unsigned int n_pts)
Stroud's rules for quads and hexes can have one of several different types of symmetry.
Definition: quadrature_monomial.C:57
libMesh::QMonomial::kim_rule
void kim_rule(const Real rule_data[][4], const unsigned int *rule_id, const unsigned int n_pts)
Rules from Kim and Song, Comm.
Definition: quadrature_monomial.C:205
libMesh
The libMesh namespace provides an interface to certain functionality in the library.
Definition: factoryfunction.C:55
libMesh::QuadratureType
QuadratureType
Defines an enum for currently available quadrature rules.
Definition: enum_quadrature_type.h:33
libMesh::Order
Order
Definition: enum_order.h:40
libMesh::QMonomial::type
virtual QuadratureType type() const override
Definition: quadrature_monomial.C:32
libMesh::QMonomial::init_3D
virtual void init_3D(const ElemType, unsigned int) override
Initializes the 3D quadrature rule by filling the points and weights vectors with the appropriate val...
Definition: quadrature_monomial_3D.C:28
libMesh::QMonomial::wissmann_rule
void wissmann_rule(const Real rule_data[][3], const unsigned int n_pts)
Wissmann published three interesting "partially symmetric" rules for integrating degree 4,...
Definition: quadrature_monomial.C:37
dim
unsigned int dim
Definition: adaptivity_ex3.C:113
libMesh::QMonomial::init_2D
virtual void init_2D(const ElemType, unsigned int) override
Initializes the 2D quadrature rule by filling the points and weights vectors with the appropriate val...
Definition: quadrature_monomial_2D.C:28
libMesh::QMonomial::QMonomial
QMonomial(unsigned int dim, Order order=INVALID_ORDER)
Constructor.
Definition: quadrature_monomial.h:65
libMesh::INVALID_ORDER
Definition: enum_order.h:86
libMesh::QMonomial::operator=
QMonomial & operator=(const QMonomial &)=default
libMesh::QMonomial
This class defines alternate quadrature rules on "tensor-product" elements (quadrilaterals and hexahe...
Definition: quadrature_monomial.h:58
libMesh::QMonomial::init_1D
virtual void init_1D(const ElemType, unsigned int) override
Uses a Gauss rule in 1D.
Definition: quadrature_monomial_1D.C:29
libMesh::Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
Definition: libmesh_common.h:121
libMesh::QMonomial::~QMonomial
virtual ~QMonomial()=default
libMesh::ElemType
ElemType
Defines an enum for geometric element types.
Definition: enum_elem_type.h:33