libMesh
elem_assembly.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 #ifndef LIBMESH_ELEM_ASSEMBLY_H
19 #define LIBMESH_ELEM_ASSEMBLY_H
20 
21 #include "libmesh/reference_counted_object.h"
22 #include "libmesh/dense_matrix.h"
23 
24 namespace libMesh
25 {
26 
27 class FEMContext;
28 class System;
29 class Node;
30 
38 class ElemAssembly : public ReferenceCountedObject<ElemAssembly>
39 {
40 public:
41 
47  {}
48 
52  virtual ~ElemAssembly () {}
53 
57  virtual void interior_assembly(FEMContext &) { }
58 
62  virtual void boundary_assembly(FEMContext &) { }
63 
68  virtual void
69  get_nodal_values(std::vector<dof_id_type>& ,
72  const System & ,
73  const Node &)
74  {
75  // Do nothing by default
76  }
77 
78 protected:
79 
80 };
81 
82 }
83 
84 #endif // LIBMESH_ELEM_ASSEMBLY_H
libMesh::System
Manages consistently variables, degrees of freedom, and coefficient vectors.
Definition: system.h:100
libMesh::ReferenceCountedObject
This class implements reference counting.
Definition: reference_counted_object.h:65
libMesh
The libMesh namespace provides an interface to certain functionality in the library.
Definition: factoryfunction.C:55
libMesh::ElemAssembly::ElemAssembly
ElemAssembly()
Constructor.
Definition: elem_assembly.h:46
libMesh::DenseMatrix< Number >
libMesh::ElemAssembly::get_nodal_values
virtual void get_nodal_values(std::vector< dof_id_type > &, DenseMatrix< Number > &, DenseVector< Number > &, const System &, const Node &)
Get values to add to the matrix or rhs vector based on node.
Definition: elem_assembly.h:69
libMesh::ElemAssembly::interior_assembly
virtual void interior_assembly(FEMContext &)
Perform the element interior assembly.
Definition: elem_assembly.h:57
libMesh::ElemAssembly::~ElemAssembly
virtual ~ElemAssembly()
Destructor.
Definition: elem_assembly.h:52
libMesh::Node
A Node is like a Point, but with more information.
Definition: node.h:52
libMesh::ElemAssembly
ElemAssembly provides a per-element (interior and boundary) assembly functionality.
Definition: elem_assembly.h:38
libMesh::ElemAssembly::boundary_assembly
virtual void boundary_assembly(FEMContext &)
Perform the element boundary assembly.
Definition: elem_assembly.h:62
libMesh::DenseVector< Number >
libMesh::FEMContext
This class provides all data required for a physics package (e.g.
Definition: fem_context.h:62