FreeFOAM The Cross-Platform CFD Toolkit
wallShearStress.C
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1 /*---------------------------------------------------------------------------*\
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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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10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
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23 
24 Application
25  wallShearStress
26 
27 Description
28  Calculates and writes the wall shear stress, for the specified times.
29 
30 Usage
31 
32  - wallShearStress [OPTIONS]
33 
34  @param -noZero \n
35  Ignore timestep 0.
36 
37  @param -constant \n
38  Include the constant directory.
39 
40  @param -time <time>\n
41  Apply only to specific time.
42 
43  @param -latestTime \n
44  Only apply to latest time step.
45 
46  @param -case <dir>\n
47  Case directory.
48 
49  @param -parallel \n
50  Run in parallel.
51 
52  @param -help \n
53  Display help message.
54 
55  @param -doc \n
56  Display Doxygen API documentation page for this application.
57 
58  @param -srcDoc \n
59  Display Doxygen source documentation page for this application.
60 
61 \*---------------------------------------------------------------------------*/
62 
63 #include <finiteVolume/fvCFD.H>
66 
67 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
68 
69 int main(int argc, char *argv[])
70 {
71  timeSelector::addOptions();
72  #include <OpenFOAM/setRootCase.H>
73  #include <OpenFOAM/createTime.H>
74  instantList timeDirs = timeSelector::select0(runTime, args);
75  #include <OpenFOAM/createMesh.H>
76 
77  forAll(timeDirs, timeI)
78  {
79  runTime.setTime(timeDirs[timeI], timeI);
80  Info<< "Time = " << runTime.timeName() << endl;
81  mesh.readUpdate();
82 
83  #include "createFields.H"
84 
85  volSymmTensorField Reff(RASModel->devReff());
86 
87  volVectorField wallShearStress
88  (
89  IOobject
90  (
91  "wallShearStress",
92  runTime.timeName(),
93  mesh,
94  IOobject::NO_READ,
95  IOobject::AUTO_WRITE
96  ),
97  mesh,
99  (
100  "wallShearStress",
101  Reff.dimensions(),
102  vector::zero
103  )
104  );
105 
106  forAll(wallShearStress.boundaryField(), patchi)
107  {
108  wallShearStress.boundaryField()[patchi] =
109  (
112  ) & Reff.boundaryField()[patchi];
113  }
114 
115  wallShearStress.write();
116  }
117 
118  Info<< "End" << endl;
119 
120  return 0;
121 }
122 
123 
124 // ************************ vim: set sw=4 sts=4 et: ************************ //