applications/utilities/mesh/manipulation/deformedTetFemGeom/deformedTetFemGeom.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright held by original author
   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     deformedTetFemGeom
  27
  28 Description
  29     Deforms a polyMesh using a displacement field U from the tetFem method
  30     and a scaling factor supplied as an argument.
  31
  32 \*---------------------------------------------------------------------------*/
  33
  34 #include "argList.H"
  35 #include "polyMesh.H"
  36 #include "pointFields.H"
  37 #include "tetFemMatrix.H"
  38 #include "tetPointFields.H"
  39 #include "IStringStream.H"
  40
  41 using namespace Foam;
  42
  43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  44
  45 int main(int argc, char *argv[])
  46 {
  47     argList::validArgs.append("scaling factor");
  48
  49 #   include "setRootCase.H"
  50
  51     scalar scaleFactor(readScalar(IStringStream(args.args()[3])()));
  52
  53 #   include "createTime.H"
  54 #   include "createPolyMesh.H"
  55
  56     tetPolyMesh tetMesh(mesh);
  57
  58     // Get times list
  59     instantList Times = runTime.times();
  60
  61     pointField zeroPoints(mesh.points());
  62
  63     runTime.setTime(Times[0], 0);
  64
  65     for (int i = 1; i<Times.size(); i++)
  66     {
  67         runTime.setTime(Times[i], i);
  68
  69         Info<< "Time = " << runTime.timeName() << endl;
  70
  71         IOobject Uheader
  72         (
  73             "U",
  74             runTime.timeName(),
  75             mesh,
  76             IOobject::MUST_READ
  77         );
  78
  79         // Check U exists
  80         if (Uheader.headerOk())
  81         {
  82             Info<< "    Reading U" << endl;
  83             tetPointVectorField U(Uheader, tetMesh);
  84
  85             vectorField Uslice
  86             (
  87                 vectorField::subField
  88                 (
  89                     U.internalField(),
  90                     zeroPoints.size()
  91                 )
  92             );
  93
  94             pointField newPoints = zeroPoints + scaleFactor*Uslice;
  95
  96             mesh.movePoints(newPoints);
  97
  98             mesh.write();
  99         }
 100         else
 101         {
 102             Info<< "    No U" << endl;
 103         }
 104
 105         Info<< endl;
 106     }
 107
 108     Info<< "End\n" << endl;
 109
 110     return(0);
 111 }
 112
 113
 114 // ************************************************************************* //