GRINS-0.8.0
constant_source_func.h
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1 //-----------------------------------------------------------------------bl-
2 //--------------------------------------------------------------------------
3 //
4 // GRINS - General Reacting Incompressible Navier-Stokes
5 //
6 // Copyright (C) 2014-2017 Paul T. Bauman, Roy H. Stogner
7 // Copyright (C) 2010-2013 The PECOS Development Team
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the Version 2.1 GNU Lesser General
11 // Public License as published by the Free Software Foundation.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Lesser General Public License for more details.
17 //
18 // You should have received a copy of the GNU Lesser General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc. 51 Franklin Street, Fifth Floor,
21 // Boston, MA 02110-1301 USA
22 //
23 //-----------------------------------------------------------------------el-
24 
25 
26 #ifndef CONSTANT_SOURCE_FUNC_H
27 #define CONSTANT_SOURCE_FUNC_H
28 
29 // GRINS
30 #include "grins/parameter_user.h"
31 
32 // libMesh
33 #include "libmesh/getpot.h"
34 #include "libmesh/point.h"
35 #include "libmesh/vector_value.h"
36 
37 namespace GRINS
38 {
40  {
41  public:
42 
43  ConstantSourceFunction( const GetPot& input );
45 
46  inline
47  libMesh::Real operator()( const libMesh::Point& ) const
48  {
49  return _value;
50  }
51 
52  libMesh::Gradient grad( const libMesh::Point& ) const
53  {
54  return libMesh::Gradient();
55  }
56 
57  protected:
58 
59  libMesh::Real _value;
60 
61  };
62 }
63 #endif //CONSTANT_SOURCE_FUNC_H
libMesh::Gradient grad(const libMesh::Point &) const
libMesh::Real operator()(const libMesh::Point &) const
GRINS namespace.
ParameterUser base class. Utility methods for subclasses.
ConstantSourceFunction(const GetPot &input)

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