FreeFOAM The Cross-Platform CFD Toolkit
cellToCellStencil.H
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5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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23 
24 Class
25  Foam::cellToCellStencil
26 
27 Description
28  baseclass for extended cell centred addressing. Contains per cell a
29  list of neighbouring cells and/or boundaryfaces in global addressing.
30 
31 SourceFiles
32  cellToCellStencil.C
33 
34 \*---------------------------------------------------------------------------*/
35 
36 #ifndef cellToCellStencil_H
37 #define cellToCellStencil_H
38 
39 #include <OpenFOAM/globalIndex.H>
40 #include <OpenFOAM/boolList.H>
41 #include <OpenFOAM/HashSet.H>
43 
44 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
45 
46 namespace Foam
47 {
48 
49 class polyMesh;
50 
51 /*---------------------------------------------------------------------------*\
52  Class cellToCellStencil Declaration
53 \*---------------------------------------------------------------------------*/
54 
56 :
57  public labelListList
58 {
59  // Private data
60 
61  const polyMesh& mesh_;
62 
63  //- Global numbering for cells and boundary faces
64  const globalIndex globalNumbering_;
65 
66 
67  // Private Member Functions
68 
69  //- Disallow default bitwise assignment
70  void operator=(const cellToCellStencil&);
71 
72 
73 protected:
74 
75  //- Merge two lists.
76  static void merge
77  (
78  const label,
79  const label,
80  const labelList&,
81  labelList&
82  );
83 
84  //- Merge two lists.
85  static void merge(const label, const labelList&, labelList&);
86 
87  //- Valid boundary faces (not empty and not coupled)
88  void validBoundaryFaces(boolList& isValidBFace) const;
89 
90  //- Return patch of all coupled faces.
92 
93  //- Combine operator for labelLists
94  class unionEqOp
95  {
96  public:
97  void operator()( labelList& x, const labelList& y ) const;
98  };
99 
100  //- Collect cell neighbours of faces in global numbering
101  void insertFaceCells
102  (
103  const label exclude0,
104  const label exclude1,
105  const boolList& nonEmptyFace,
106  const labelList& faceLabels,
107  labelHashSet& globals
108  ) const;
109 
110  //- Collect cell neighbours of faces in global numbering
112  (
113  const boolList& nonEmptyFace,
114  const labelList& faceLabels,
115  labelHashSet& globals
116  ) const;
117 
118 
119 public:
120 
121  // Constructors
122 
123  //- Construct from mesh
124  explicit cellToCellStencil(const polyMesh&);
125 
126 
127  // Member Functions
128 
129  const polyMesh& mesh() const
130  {
131  return mesh_;
132  }
133 
134  //- Global numbering for cells and boundary faces
136  {
137  return globalNumbering_;
138  }
139 
140 };
141 
142 
143 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
144 
145 } // End namespace Foam
146 
147 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
148 
149 #endif
150 
151 // ************************ vim: set sw=4 sts=4 et: ************************ //