FreeFOAM The Cross-Platform CFD Toolkit
Rebound.C
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1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 2008-2010 OpenCFD Ltd.
6  \\/ M anipulation |
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25 
26 #include "Rebound.H"
27 
28 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
29 
30 template<class CloudType>
32 (
33  const dictionary& dict,
34  CloudType& cloud
35 )
36 :
37  PatchInteractionModel<CloudType>(dict, cloud, typeName),
38  UFactor_(readScalar(this->coeffDict().lookup("UFactor")))
39 {}
40 
41 
42 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
43 
44 template<class CloudType>
46 {}
47 
48 
49 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
50 
51 template<class CloudType>
53 {
54  return true;
55 }
56 
57 
58 template<class CloudType>
60 (
61  const polyPatch& pp,
62  const label faceId,
63  bool& keepParticle,
64  bool& active,
65  vector& U
66 ) const
67 {
68  keepParticle = true;
69  active = true;
70 
71  vector nw = pp.faceAreas()[pp.whichFace(faceId)];
72  nw /= mag(nw);
73 
74  scalar Un = U & nw;
75 
76  if (Un > 0.0)
77  {
78  U -= UFactor_*2.0*Un*nw;
79  }
80 
81  return true;
82 }
83 
84 
85 // ************************ vim: set sw=4 sts=4 et: ************************ //