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

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend 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 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  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 \*---------------------------------------------------------------------------*/
  32
  33 #include "argList.H"
  34 #include "fvMesh.H"
  35 #include "pointFields.H"
  36 #include "IStringStream.H"
  37 #include "volPointInterpolation.H"
  38
  39 using namespace Foam;
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42
  43 int main(int argc, char *argv[])
  44 {
  45     argList::validArgs.append("scaling factor");
  46
  47 #   include "setRootCase.H"
  48
  49     scalar scaleFactor(readScalar(IStringStream(args.additionalArgs()[0])()));
  50
  51 #   include "createTime.H"
  52 #   include "createMesh.H"
  53
  54     volPointInterpolation pInterp(mesh);
  55
  56     // Get times list
  57     instantList Times = runTime.times();
  58
  59     pointField zeroPoints(mesh.points());
  60
  61     // skip "constant" time
  62     for (label timeI = 1; timeI < Times.size(); ++timeI)
  63     {
  64         runTime.setTime(Times[timeI], timeI);
  65
  66         Info<< "Time = " << runTime.timeName() << endl;
  67
  68         IOobject Uheader
  69         (
  70             "U",
  71             runTime.timeName(),
  72             mesh,
  73             IOobject::MUST_READ
  74         );
  75
  76         // Check U exists
  77         if (Uheader.headerOk())
  78         {
  79             Info<< "    Reading U" << endl;
  80             volVectorField U(Uheader, mesh);
  81
  82             pointField newPoints =
  83                 zeroPoints
  84               + scaleFactor*pInterp.interpolate(U)().internalField();
  85
  86             mesh.polyMesh::movePoints(newPoints);
  87
  88             mesh.write();
  89         }
  90         else
  91         {
  92             Info<< "    No U" << endl;
  93         }
  94
  95         Info<< endl;
  96     }
  97
  98     Info<< "End\n" << endl;
  99
 100     return 0;
 101 }
 102
 103
 104 // ************************************************************************* //