FreeFOAM The Cross-Platform CFD Toolkit
deformedGeom.C
Go to the documentation of this file.
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 |
7 -------------------------------------------------------------------------------
8 License
9  This file is part of OpenFOAM.
10 
11  OpenFOAM is free software: you can redistribute it and/or modify it
12  under the terms of the GNU General Public License as published by
13  the Free Software Foundation, either version 3 of the License, or
14  (at your option) any later version.
15 
16  OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19  for more details.
20 
21  You should have received a copy of the GNU General Public License
22  along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
23 
24 Application
25  deformedGeom
26 
27 Description
28  Deforms a polyMesh using a displacement field U and a scaling factor
29  supplied as an argument.
30 
31 Usage
32 
33  - deformedGeom [OPTIONS] <scaling factor>
34 
35  @param <scaling factor> \n
36  @todo Detailed description of argument.
37 
38  @param -case <dir>\n
39  Case directory.
40 
41  @param -parallel \n
42  Run in parallel.
43 
44  @param -help \n
45  Display help message.
46 
47  @param -doc \n
48  Display Doxygen API documentation page for this application.
49 
50  @param -srcDoc \n
51  Display Doxygen source documentation page for this application.
52 
53 \*---------------------------------------------------------------------------*/
54 
55 #include <OpenFOAM/argList.H>
56 #include <finiteVolume/fvMesh.H>
57 #include <OpenFOAM/pointFields.H>
58 #include <OpenFOAM/IStringStream.H>
60 
61 using namespace Foam;
62 
63 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
64 
65 int main(int argc, char *argv[])
66 {
67  argList::validArgs.append("scaling factor");
68 
69 # include <OpenFOAM/setRootCase.H>
70 
71  scalar scaleFactor(readScalar(IStringStream(args.additionalArgs()[0])()));
72 
73 # include <OpenFOAM/createTime.H>
74 # include <OpenFOAM/createMesh.H>
75 
76  volPointInterpolation pInterp(mesh);
77 
78  // Get times list
79  instantList Times = runTime.times();
80 
81  pointField zeroPoints(mesh.points());
82 
83  // skip "constant" time
84  for (label timeI = 1; timeI < Times.size(); ++timeI)
85  {
86  runTime.setTime(Times[timeI], timeI);
87 
88  Info<< "Time = " << runTime.timeName() << endl;
89 
90  IOobject Uheader
91  (
92  "U",
93  runTime.timeName(),
94  mesh,
96  );
97 
98  // Check U exists
99  if (Uheader.headerOk())
100  {
101  Info<< " Reading U" << endl;
102  volVectorField U(Uheader, mesh);
103 
104  pointField newPoints =
105  zeroPoints
106  + scaleFactor*pInterp.interpolate(U)().internalField();
107 
108  mesh.polyMesh::movePoints(newPoints);
109 
110  mesh.write();
111  }
112  else
113  {
114  Info<< " No U" << endl;
115  }
116 
117  Info<< endl;
118  }
119 
120  Info<< "End\n" << endl;
121 
122  return 0;
123 }
124 
125 
126 // ************************ vim: set sw=4 sts=4 et: ************************ //