FreeFOAM The Cross-Platform CFD Toolkit
MapFvSurfaceField.H
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3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
6  \\/ M anipulation |
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9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
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21  You should have received a copy of the GNU General Public License
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23 
24 Class
25  Foam::MapFvSurfaceField
26 
27 Description
28  Map Surface internal field on topology change. This is a partial
29  template specialisation, see MapGeometricFields.
30 
31 \*---------------------------------------------------------------------------*/
32 
33 #ifndef MapFvSurfaceField_H
34 #define MapFvSurfaceField_H
35 
36 #include <OpenFOAM/Field.H>
38 
39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 
41 namespace Foam
42 {
43 
44 template<class Type, class MeshMapper>
45 class MapInternalField<Type, MeshMapper, surfaceMesh>
46 {
47 public:
48 
50  {}
51 
52  void operator()
53  (
54  Field<Type>& field,
55  const MeshMapper& mapper
56  ) const;
57 };
58 
59 
60 template<class Type, class MeshMapper>
61 void MapInternalField<Type, MeshMapper, surfaceMesh>::operator()
62 (
63  Field<Type>& field,
64  const MeshMapper& mapper
65 ) const
66 {
67  if (field.size() != mapper.surfaceMap().sizeBeforeMapping())
68  {
70  (
71  "void MapInternalField<Type, MeshMapper, surfaceMesh>::operator()\n"
72  "(\n"
73  " Field<Type>& field,\n"
74  " const MeshMapper& mapper\n"
75  ") const"
76  ) << "Incompatible size before mapping. Field size: " << field.size()
77  << " map size: " << mapper.surfaceMap().sizeBeforeMapping()
78  << abort(FatalError);
79  }
80 
81  field.autoMap(mapper.surfaceMap());
82 
83  // Flip the flux
84  const labelList flipFaces = mapper.surfaceMap().flipFaceFlux().toc();
85 
86  forAll (flipFaces, i)
87  {
88  if (flipFaces[i] < field.size())
89  {
90  field[flipFaces[i]] *= -1.0;
91  }
92  }
93 }
94 
95 
96 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
97 
98 } // End namespace Foam
99 
100 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
101 
102 #endif
103 
104 // ************************ vim: set sw=4 sts=4 et: ************************ //