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foam-extend4.1-coherent-io/tutorials/compressible/rhoCentralFoam/biconic25-55Run35/datToFoam/datToFoam.C
2013-12-11 16:09:41 +00:00

155 lines
4 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | foam-extend: Open Source CFD
\\ / O peration |
\\ / A nd | For copyright notice see file Copyright
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of foam-extend.
foam-extend is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
foam-extend is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
Application
datToFoam
Description
Reads in a datToFoam mesh file and outputs a points file. Used in
conjunction with blockMesh.
\*---------------------------------------------------------------------------*/
#include "argList.H"
#include "Time.H"
#include "IFstream.H"
#include "OFstream.H"
#include "meshTools.H"
#include "polyMesh.H"
#include "wallPolyPatch.H"
#include "symmetryPolyPatch.H"
#include "preservePatchTypes.H"
#include "cellShape.H"
#include "cellModeller.H"
#include "mergePoints.H"
#include "mathematicalConstants.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
argList::noParallel();
argList::validArgs.append("dat file");
argList args(argc, argv);
if (!args.check())
{
FatalError.exit();
}
# include "createTime.H"
std::ifstream plot3dFile(args.args()[1].c_str());
string line;
std::getline(plot3dFile, line);
std::getline(plot3dFile, line);
IStringStream Istring(line);
word block;
string zoneName;
token punctuation;
label iPoints;
label jPoints;
Istring >> block;
Istring >> block;
Istring >> zoneName;
Istring >> punctuation;
Istring >> block;
Istring >> iPoints;
Istring >> block;
Istring >> jPoints;
Info<< "Number of vertices in i direction = " << iPoints << endl
<< "Number of vertices in j direction = " << jPoints << endl;
// We ignore the first layer of points in i and j the biconic meshes
label nPointsij = (iPoints - 1)*(jPoints - 1);
pointField points(nPointsij, vector::zero);
for (direction comp = 0; comp < 2; comp++)
{
label p(0);
for (label j = 0; j < jPoints; j++)
{
for (label i = 0; i < iPoints; i++)
{
double coord;
plot3dFile >> coord;
// if statement ignores the first layer in i and j
if(i>0 && j>0)
{
points[p++][comp] = coord;
}
}
}
}
// correct error in biconic meshes
forAll(points, i)
{
if(points[i][1] < 1e-07)
{
points[i][1] = 0.0;
}
}
pointField pointsWedge(nPointsij*2, vector::zero);
fileName pointsFile(runTime.constantPath()/"points.tmp");
OFstream pFile(pointsFile);
scalar a(0.1*mathematicalConstant::pi/180.0);
tensor rotateZ =
tensor
(
1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
0.0, -::sin(a), ::cos(a)
);
forAll(points, i)
{
pointsWedge[i] = (rotateZ & points[i]);
pointsWedge[i+nPointsij] = cmptMultiply(vector(1.0, 1.0, -1.0), pointsWedge[i]);
}
Info << "Writing points to: " << nl
<< " " << pointsFile << endl;
pFile << pointsWedge;
Info << "End" << endl;
return 0;
}
// ************************************************************************* //