FreeFOAM The Cross-Platform CFD Toolkit
lagrangianFieldDecomposer.C
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4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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23 
24 Description
25  Lagrangian field decomposer.
26 
27 \*---------------------------------------------------------------------------*/
28 
30 
31 
32 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
33 
34 namespace Foam
35 {
36 
37 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
38 
39 // Construct from components
40 lagrangianFieldDecomposer::lagrangianFieldDecomposer
41 (
42  const polyMesh& mesh,
43  const polyMesh& procMesh,
44  const labelList& cellProcAddressing,
45  const word& cloudName,
46  const Cloud<indexedParticle>& lagrangianPositions,
47  const List<SLList<indexedParticle*>*>& cellParticles
48 )
49 :
50  procMesh_(procMesh),
51  positions_(procMesh, cloudName, false),
52  particleIndices_(lagrangianPositions.size())
53 {
54  label pi = 0;
55 
56  forAll(cellProcAddressing, procCelli)
57  {
58  label celli = cellProcAddressing[procCelli];
59 
60  if (cellParticles[celli])
61  {
62  SLList<indexedParticle*>& particlePtrs = *cellParticles[celli];
63 
64  forAllIter(SLList<indexedParticle*>, particlePtrs, iter)
65  {
66  const indexedParticle& ppi = *iter();
67  particleIndices_[pi++] = ppi.index();
68 
69  positions_.append
70  (
71  new passiveParticle
72  (
73  positions_,
74  ppi.position(),
75  procCelli
76  )
77  );
78  }
79  }
80  }
81 
82  particleIndices_.setSize(pi);
83 
84  IOPosition<passiveParticle>(positions_).write();
85 }
86 
87 
88 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
89 
90 } // End namespace Foam
91 
92 // ************************ vim: set sw=4 sts=4 et: ************************ //