applications/utilities/mesh/manipulation/deformedTetFemGeom/deformedTetFemGeom.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     deformedTetFemGeom
  26
  27 Description
  28     Deforms a polyMesh using a displacement field U from the tetFem method
  29     and a scaling factor supplied as an argument.
  30
  31 \*---------------------------------------------------------------------------*/
  32
  33 #include "argList.H"
  34 #include "polyMesh.H"
  35 #include "pointFields.H"
  36 #include "tetFemMatrix.H"
  37 #include "tetPointFields.H"
  38 #include "IStringStream.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 "createPolyMesh.H"
  54
  55     tetPolyMesh tetMesh(mesh);
  56
  57     // Get times list
  58     instantList Times = runTime.times();
  59
  60     pointField zeroPoints(mesh.points());
  61
  62     runTime.setTime(Times[0], 0);
  63
  64     for (int i = 1; i<Times.size(); i++)
  65     {
  66         runTime.setTime(Times[i], i);
  67
  68         Info<< "Time = " << runTime.timeName() << endl;
  69
  70         IOobject Uheader
  71         (
  72             "U",
  73             runTime.timeName(),
  74             mesh,
  75             IOobject::MUST_READ
  76         );
  77
  78         // Check U exists
  79         if (Uheader.headerOk())
  80         {
  81             Info<< "    Reading U" << endl;
  82             tetPointVectorField U(Uheader, tetMesh);
  83
  84             vectorField Uslice
  85             (
  86                 vectorField::subField
  87                 (
  88                     U.internalField(),
  89                     zeroPoints.size()
  90                 )
  91             );
  92
  93             pointField newPoints = zeroPoints + scaleFactor*Uslice;
  94
  95             mesh.movePoints(newPoints);
  96
  97             mesh.write();
  98         }
  99         else
 100         {
 101             Info<< "    No U" << endl;
 102         }
 103
 104         Info<< endl;
 105     }
 106
 107     Info<< "End\n" << endl;
 108
 109     return(0);
 110 }
 111
 112
 113 // ************************************************************************* //