FreeFOAM The Cross-Platform CFD Toolkit
dragModel.H
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1 /*---------------------------------------------------------------------------*\
2  ========= |
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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23 
24 Class
25  Foam::dragModel
26 
27 Description
28  Foam::dragModel
29 
30 \*---------------------------------------------------------------------------*/
31 
32 #ifndef dragModel_H
33 #define dragModel_H
34 
35 #include <OpenFOAM/IOdictionary.H>
36 #include <finiteVolume/fvCFD.H>
37 
38 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
39 
40 namespace Foam
41 {
42 
43 /*---------------------------------------------------------------------------*\
44  Class dragModel Declaration
45 \*---------------------------------------------------------------------------*/
46 
47 class dragModel
48 {
49 
50 protected:
51 
52  // Protected data
53 
54  const dictionary& dict_;
55 
56 public:
57 
58  //- Runtime type information
59  TypeName("dragModel");
60 
61 
62  // Declare runtime constructor selection table
63 
65  (
66  autoPtr,
67  dragModel,
68  dictionary,
69  (
70  const dictionary& dict
71  ),
72  (dict)
73  );
74 
75 
76  // Constructors
77 
78  //- Construct from components
79  dragModel
80  (
81  const dictionary& dict
82  );
83 
84 
85  // Destructor
86 
87  virtual ~dragModel();
88 
89 
90  // Selector
91 
92  static autoPtr<dragModel> New
93  (
94  const dictionary& dict
95  );
96 
97 
98  // Member Functions
99 
100  virtual scalar Cd
101  (
102  const scalar ReynoldsNumber,
103  const scalar deviation
104  ) const = 0;
105 
106  virtual scalar relaxationTime
107  (
108  const vector& URel,
109  const scalar diameter,
110  const scalar rho,
111  const scalar liquidDensity,
112  const scalar nu,
113  const scalar deviation
114  ) const = 0;
115 
116 };
117 
118 
119 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
120 
121 } // End namespace Foam
122 
123 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
124 
125 #endif
126 
127 // ************************ vim: set sw=4 sts=4 et: ************************ //