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foam-extend4.1-coherent-io/applications/utilities/mesh/conversion/sammToFoam/readCouples.C
2010-08-25 22:42:57 +01:00

178 lines
5.7 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright held by original author
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM 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 2 of the License, or (at your
option) any later version.
OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Description
Create intermediate mesh from SAMM files
\*---------------------------------------------------------------------------*/
#include "sammMesh.H"
#include "IFstream.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void sammMesh::readCouples()
{
fileName couplesFileName(casePrefix_ + ".cpl");
IFstream couplesFile(couplesFileName);
if (couplesFile.good())
{
Info << "\nReading couples" << endl;
// A mesh with couples cannot be a shape mesh
isShapeMesh_ = false;
label matchLabel, nEntries, typeFlag;
label masterCell, masterFace;
label slaveCell, slaveFace;
while (!(couplesFile >> matchLabel).eof())
{
// read number of entries and match type.
// Note. At the moment, only integral matches are supported
couplesFile >> nEntries;
couplesFile >> typeFlag;
if (typeFlag > 1)
{
Info
<< "void sammMesh::readCouples() : "
<< "couple " << matchLabel << " is not an integral match. "
<< "Currently not supported" << endl;
}
// read master cell and face
couplesFile >> masterCell >> masterFace;
// get reference to master cell faces
faceList& masterFaces = cellFaces_[masterCell - 1];
// Info << "Master cell: " << masterCell - 1 << " index: "
// << cellShapes_[masterCell - 1].model().index()
// << " face: " <<
// masterFaces
// [
// shapeFaceLookup
// [cellShapes_[masterCell - 1].model().index()]
// [masterFace]
// ]
// << endl;
// reset master face to zero size. It cannot be removed at this
// stage because thisw would mess up the numbering in case of
// more than one couple an a single master cell
masterFaces
[
shapeFaceLookup
[cellShapes_[masterCell - 1].model().index()]
[masterFace]
].setSize(0);
// number of slave faces
label nSlavesToRead = nEntries - 1;
// get index for slave face add
label slaveToAdd = masterFaces.size();
// reset size of master faces to accept new (couple) faces
masterFaces.setSize(masterFaces.size() + nSlavesToRead);
for (int i = 0; i < nSlavesToRead; i++)
{
couplesFile >> slaveCell >> slaveFace;
masterFaces[slaveToAdd] =
cellFaces_
[
slaveCell - 1
]
[
shapeFaceLookup
[cellShapes_[slaveCell - 1].model().index()]
[slaveFace]
].reverseFace();
// Info << " slave cell: " << slaveCell - 1 << " index: "
// << cellShapes_[slaveCell - 1].model().index()
// << " face: " << masterFaces[slaveToAdd] << endl;
slaveToAdd++;
}
// Info << endl;
}
// Once all couples are read, remove zero size faces from all cells
forAll (cellFaces_, cellI)
{
faceList& curFaces = cellFaces_[cellI];
label zeroSizeFound = 0;
forAll (curFaces, faceI)
{
if (curFaces[faceI].empty())
{
zeroSizeFound++;
}
}
if (zeroSizeFound > 0)
{
// compress the list. A copy needs to made first
faceList oldFaces = curFaces;
curFaces.setSize(curFaces.size() - zeroSizeFound);
label nFaces = 0;
forAll (oldFaces, faceI)
{
if (oldFaces[faceI].size())
{
curFaces[nFaces] = oldFaces[faceI];
nFaces++;
}
}
}
}
}
else
{
Info
<< "void sammMesh::readCouples() : "
<< "Cannot read file "
<< couplesFileName
<< ". No matches defined."
<< endl;
}
}
// ************************************************************************* //