FreeFOAM The Cross-Platform CFD Toolkit
pressureGradientExplicitSource.H
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23 
24 Class
25  Foam::pressureGradientExplicitSource
26 
27 Description
28  Creates a cell set pressure gradient source
29 
30  Note: Currently only handles kinematic pressure
31 
32 SourceFiles
33  pressureGradientExplicitSource.C
34 
35 \*---------------------------------------------------------------------------*/
36 
37 #ifndef pressureGradientExplicitSource_H
38 #define pressureGradientExplicitSource_H
39 
40 #include <OpenFOAM/autoPtr.H>
42 #include <meshTools/cellSet.H>
43 #include <finiteVolume/fvMesh.H>
44 #include <finiteVolume/volFields.H>
45 
46 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
47 
48 namespace Foam
49 {
50 
51 /*---------------------------------------------------------------------------*\
52  Class pressureGradientExplicitSource Declaration
53 \*---------------------------------------------------------------------------*/
54 
56 {
57  // Private data
58 
59  //- Name of the source
60  const word sourceName_;
61 
62  //- Reference to the mesh
63  const fvMesh& mesh_;
64 
65  //- Reference to the velocity field
66  volVectorField& U_;
67 
68  //- Properties dictionary
69  IOdictionary dict_;
70 
71  //- Average velocity
72  vector Ubar_;
73 
74  //- Initial pressure gradient
75  dimensionedScalar gradPini_;
76 
77  //- Pressure gradient
78  dimensionedScalar gradP_;
79 
80  //- Flow direction
81  vector flowDir_;
82 
83  //- Name of cell source
84  word cellSource_;
85 
86  //- The method by which the cells will be selecetd
87  autoPtr<topoSetSource> cellSelector_;
88 
89  //- The set of selected cells
90  cellSet selectedCellSet_;
91 
92 
93  // Private Member Functions
94 
95  //- Write the pressure gradient to file (for restarts etc)
96  void writeGradP() const;
97 
98  //- Disallow default bitwise copy construct
100 
101  //- Disallow default bitwise assignment
102  void operator=(const pressureGradientExplicitSource&);
103 
104 
105 public:
106 
107  // Constructors
108 
109  //- Construct from explicit source name and mesh
111  (
112  const word& sourceName,
114  );
115 
116 
117  // Member Functions
118 
119  // Access
120 
121  //- Return a tmp field of the source
123 
124 
125  //- Correct driving force for a constant mass flow rate
126  void update();
127 };
128 
129 
130 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
131 
132 } // End namespace Foam
133 
134 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
135 
136 #endif
137 
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