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) 1991-2008 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 Description
  26     Calculate distance to wall.
  27
  28 \*---------------------------------------------------------------------------*/
  29
  30 #include "fvCFD.H"
  31 #include "wallDistData.H"
  32 #include "wallPointData.H"
  33
  34 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  35 // Main program:
  36
  37 int main(int argc, char *argv[])
  38 {
  39 #   include "setRootCase.H"
  40 #   include "createTime.H"
  41 #   include "createMesh.H"
  42
  43     Info<< "Mesh read in = "
  44         << runTime.cpuTimeIncrement()
  45         << " s\n" << endl << endl;
  46
  47
  48     Info<< "Time now = " << runTime.timeName() << endl;
  49
  50     // wall distance and reflection vectors
  51
  52     volVectorField n
  53     (
  54         IOobject
  55         (
  56             "n",
  57             mesh.time().timeName(),
  58             mesh
  59         ),
  60         mesh,
  61         dimensionedVector("n", dimLength, wallPoint::greatPoint)
  62     );
  63
  64     // Fill wall patches with unit normal
  65     forAll(mesh.boundary(), patchI)
  66     {
  67         const fvPatch& patch = mesh.boundary()[patchI];
  68
  69         if (typeid(patch) == typeid(wallFvPatch))
  70         {
  71             fvPatchVectorField& wallData = n.boundaryField()[patchI];
  72
  73             forAll(patch.Cf(), patchFaceI)
  74             {
  75                 wallData[patchFaceI] = patch.Cf()[patchFaceI];
  76                 wallData[patchFaceI] /= Foam::mag(wallData[patchFaceI]);
  77             }
  78         }
  79     }
  80
  81
  82     // Do distance calculation, transporting values of n.
  83     wallDistData<wallPointData<vector> > y(mesh, n, true);
  84
  85     if (y.nUnset() != 0)
  86     {
  87         WarningIn(args.executable())
  88             << "There are " << y.nUnset()
  89             << " remaining unset cells and/or boundary values" << endl;
  90     }
  91
  92
  93     y.write();
  94     y.data().write();
  95
  96     runTime++;
  97
  98     Info<< "Time now = " << runTime.timeName() << endl;
  99
 100
 101     // Move points
 102
 103     boundBox meshBb(mesh.points());
 104
 105     pointField newPoints(mesh.points());
 106
 107     const point half(0.5*(meshBb.min() + meshBb.max()));
 108
 109     forAll(newPoints, pointI)
 110     {
 111         point& pt = newPoints[pointI];
 112
 113         // expand around half
 114         pt.y() +=  pt.y() - half.y();
 115     }
 116
 117     mesh.movePoints(newPoints);
 118
 119     mesh.write();
 120
 121     y.correct();
 122
 123     y.write();
 124     y.data().write();
 125
 126
 127     Info<< "End\n" << endl;
 128
 129     return 0;
 130
 131
 132
 133 }
 134
 135
 136 // ************************************************************************* //