transient_system.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2017 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_TRANSIENT_SYSTEM_H
21 #define LIBMESH_TRANSIENT_SYSTEM_H
22 
23 // Local Includes
24 #include "libmesh/system.h"
25 #include "libmesh/libmesh_config.h"
26 
27 namespace libMesh
28 {
29 
30 // Forward declarations
31 class LinearImplicitSystem;
32 class NonlinearImplicitSystem;
33 class ExplicitSystem;
34 #ifdef LIBMESH_HAVE_SLEPC
35 class EigenSystem;
36 #endif
37 
49 template <class Base>
50 class TransientSystem : public Base
51 {
52 public:
53 
59  const std::string & name,
60  const unsigned int number);
61 
65  virtual ~TransientSystem ();
66 
71 
75  sys_type & system () { return *this; }
76 
81  virtual void clear () libmesh_override;
82 
87  virtual void reinit () libmesh_override;
88 
94  virtual std::string system_type () const libmesh_override;
95 
96 
97  //-----------------------------------------------------------------
98  // access to the solution data fields
99 
104  Number old_solution (const dof_id_type global_dof_number) const;
105 
110  Number older_solution (const dof_id_type global_dof_number) const;
111 
119 
127 
128 
129 protected:
130 
135  virtual void init_data () libmesh_override;
136 
142  virtual void re_update () libmesh_override;
143 };
144 
145 
146 
147 // -----------------------------------------------------------
148 // Useful typedefs
154 #ifdef LIBMESH_HAVE_SLEPC
156 #endif
157 
158 
159 
160 // ------------------------------------------------------------
161 // TransientSystem inline methods
162 template <class Base>
163 inline
165 {
166  std::string type = "Transient";
167  type += Base::system_type ();
168 
169  return type;
170 }
171 
172 
173 
174 } // namespace libMesh
175 
176 
177 
178 
179 #endif // LIBMESH_TRANSIENT_SYSTEM_H
std::string name(const ElemQuality q)
Definition: elem_quality.C:39
Manages multiples systems of equations.
Number older_solution(const dof_id_type global_dof_number) const
TransientSystem< Base > sys_type
UniquePtr< NumericVector< Number > > old_local_solution
TransientSystem< EigenSystem > TransientEigenSystem
virtual void re_update() libmesh_override
Used for solving transient systems of equations.
virtual void reinit() libmesh_override
virtual void init_data() libmesh_override
TransientSystem(EquationSystems &es, const std::string &name, const unsigned int number)
std::unique_ptr< T > UniquePtr
Definition: auto_ptr.h:46
Used for solving nonlinear implicit systems of equations.
UniquePtr< NumericVector< Number > > older_local_solution
virtual void clear() libmesh_override
Number old_solution(const dof_id_type global_dof_number) const
virtual std::string system_type() const libmesh_override
Used for solving explicit systems of equations.
uint8_t dof_id_type
Definition: id_types.h:64