applications/test/nearWallDist-wave/testWallDistData.C

   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 Description
  25     Calculate distance to wall.
  26
  27 \*---------------------------------------------------------------------------*/
  28
  29 #include "fvCFD.H"
  30 #include "wallDistData.H"
  31 #include "wallPointData.H"
  32
  33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  34 // Main program:
  35
  36 int main(int argc, char *argv[])
  37 {
  38 #   include "setRootCase.H"
  39 #   include "createTime.H"
  40 #   include "createMesh.H"
  41
  42     Info<< "Mesh read in = "
  43         << runTime.cpuTimeIncrement()
  44         << " s\n" << endl << endl;
  45
  46
  47     Info<< "Time now = " << runTime.timeName() << endl;
  48
  49     // wall distance and reflection vectors
  50
  51     volVectorField n
  52     (
  53         IOobject
  54         (
  55             "n",
  56             mesh.time().timeName(),
  57             mesh
  58         ),
  59         mesh,
  60         dimensionedVector("n", dimLength, wallPoint::greatPoint)
  61     );
  62
  63     // Fill wall patches with unit normal
  64     forAll(mesh.boundary(), patchI)
  65     {
  66         const fvPatch& patch = mesh.boundary()[patchI];
  67
  68         if (isA<wallFvPatch>(patch))
  69         {
  70             fvPatchVectorField& wallData = n.boundaryField()[patchI];
  71
  72             forAll(patch.Cf(), patchFaceI)
  73             {
  74                 wallData[patchFaceI] = patch.Cf()[patchFaceI];
  75                 wallData[patchFaceI] /= Foam::mag(wallData[patchFaceI]);
  76             }
  77         }
  78     }
  79
  80
  81     // Do distance calculation, transporting values of n.
  82     wallDistData<wallPointData<vector> > y(mesh, n, true);
  83
  84     if (y.nUnset() != 0)
  85     {
  86         WarningIn(args.executable())
  87             << "There are " << y.nUnset()
  88             << " remaining unset cells and/or boundary values" << endl;
  89     }
  90
  91
  92     y.write();
  93     y.data().write();
  94
  95     runTime++;
  96
  97     Info<< "Time now = " << runTime.timeName() << endl;
  98
  99
 100     // Move points
 101
 102     boundBox meshBb(mesh.points());
 103
 104     pointField newPoints(mesh.points());
 105
 106     const point half(0.5*(meshBb.min() + meshBb.max()));
 107
 108     forAll(newPoints, pointI)
 109     {
 110         point& pt = newPoints[pointI];
 111
 112         // expand around half
 113         pt.y() +=  pt.y() - half.y();
 114     }
 115
 116     mesh.movePoints(newPoints);
 117
 118     mesh.write();
 119
 120     y.correct();
 121
 122     y.write();
 123     y.data().write();
 124
 125
 126     Info<< "End\n" << endl;
 127
 128     return 0;
 129
 130
 131
 132 }
 133
 134
 135 // ************************************************************************* //