FreeFOAM The Cross-Platform CFD Toolkit
MGridGenGAMGAgglomeration.H
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4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
6  \\/ M anipulation |
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23 
24 Class
25  Foam::MGridGenGAMGAgglomeration
26 
27 Description
28  Agglomerate using the MGridGen algorithm.
29 
30 SourceFiles
31  MGridGenGAMGAgglomeration.C
32  MGridGenGAMGAgglomerate.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef MGridGenGAMGAgglomeration_H
37 #define MGridGenGAMGAgglomeration_H
38 
39 #include <finiteVolume/fvMesh.H>
41 
42 extern "C"
43 {
44 # include <mgridgen.h>
45 }
46 
47 
48 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
49 
50 namespace Foam
51 {
52 
53 class fvMesh;
54 
55 /*---------------------------------------------------------------------------*\
56  Class MGridGenGAMGAgglomeration Declaration
57 \*---------------------------------------------------------------------------*/
58 
59 class MGridGenGAMGAgglomeration
60 :
61  public GAMGAgglomeration
62 {
63  // Private data
64 
65  const fvMesh& fvMesh_;
66 
67 
68  // Private Member Functions
69 
70  //- Construct the CSR format addressing
71  void makeCompactCellFaceAddressingAndFaceWeights
72  (
73  const lduAddressing& fineAddressing,
74  List<idxtype>& cellCells,
75  List<idxtype>& cellCellOffsets,
76  const vectorField& Si,
77  List<scalar>& faceWeights
78  );
79 
80  //- Calculate and return agglomeration
81  tmp<labelField> agglomerate
82  (
83  label& nCoarseCells,
84  const label minSize,
85  const label maxSize,
86  const lduAddressing& fineAddressing,
87  const scalarField& V,
88  const vectorField& Sf,
89  const scalarField& Sb
90  );
91 
92 
93  //- Disallow default bitwise copy construct
94  MGridGenGAMGAgglomeration(const MGridGenGAMGAgglomeration&);
95 
96  //- Disallow default bitwise assignment
97  void operator=(const MGridGenGAMGAgglomeration&);
98 
99 
100 public:
101 
102  //- Runtime type information
103  TypeName("MGridGen");
104 
105 
106  // Constructors
107 
108  //- Construct given mesh and controls
109  MGridGenGAMGAgglomeration
110  (
111  const lduMesh& mesh,
112  const dictionary& controlDict
113  );
114 };
115 
116 
117 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
118 
119 } // End namespace Foam
120 
121 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
122 
123 #endif
124 
125 // ************************ vim: set sw=4 sts=4 et: ************************ //