applications/utilities/mesh/manipulation/deformedGeom/deformedGeom.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2009 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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Application
  26     deformedGeom
  27
  28 Description
  29     Deforms a polyMesh using a displacement field U and a scaling factor
  30     supplied as an argument.
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #include "argList.H"
  35 #include "fvMesh.H"
  36 #include "pointFields.H"
  37 #include "IStringStream.H"
  38 #include "volPointInterpolation.H"
  39
  40 using namespace Foam;
  41
  42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  43
  44 int main(int argc, char *argv[])
  45 {
  46     argList::validArgs.append("scaling factor");
  47
  48 #   include "setRootCase.H"
  49
  50     scalar scaleFactor(readScalar(IStringStream(args.additionalArgs()[0])()));
  51
  52 #   include "createTime.H"
  53 #   include "createMesh.H"
  54
  55     volPointInterpolation pInterp(mesh);
  56
  57     // Get times list
  58     instantList Times = runTime.times();
  59
  60     pointField zeroPoints(mesh.points());
  61
  62     // skip "constant" time
  63     for (label timeI = 1; timeI < Times.size(); ++timeI)
  64     {
  65         runTime.setTime(Times[timeI], timeI);
  66
  67         Info<< "Time = " << runTime.timeName() << endl;
  68
  69         IOobject Uheader
  70         (
  71             "U",
  72             runTime.timeName(),
  73             mesh,
  74             IOobject::MUST_READ
  75         );
  76
  77         // Check U exists
  78         if (Uheader.headerOk())
  79         {
  80             Info<< "    Reading U" << endl;
  81             volVectorField U(Uheader, mesh);
  82
  83             pointField newPoints =
  84                 zeroPoints
  85               + scaleFactor*pInterp.interpolate(U)().internalField();
  86
  87             mesh.polyMesh::movePoints(newPoints);
  88
  89             mesh.write();
  90         }
  91         else
  92         {
  93             Info<< "    No U" << endl;
  94         }
  95
  96         Info<< endl;
  97     }
  98
  99     Info<< "End\n" << endl;
 100
 101     return 0;
 102 }
 103
 104
 105 // ************************************************************************* //