439 lines
12 KiB
C
439 lines
12 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
|
||
|
|
A multi-block mesh generator.
|
||
|
|
|
||
|
|
\*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#include "Time.H"
|
||
|
|
#include "IOdictionary.H"
|
||
|
|
#include "IOPtrList.H"
|
||
|
|
|
||
|
|
#include "blockMesh.H"
|
||
|
|
#include "preservePatchTypes.H"
|
||
|
|
#include "emptyPolyPatch.H"
|
||
|
|
#include "cellSet.H"
|
||
|
|
|
||
|
|
#include "argList.H"
|
||
|
|
#include "OSspecific.H"
|
||
|
|
#include "OFstream.H"
|
||
|
|
|
||
|
|
#include "Pair.H"
|
||
|
|
#include "mapPolyMesh.H"
|
||
|
|
#include "polyTopoChanger.H"
|
||
|
|
#include "slidingInterface.H"
|
||
|
|
|
||
|
|
using namespace Foam;
|
||
|
|
|
||
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||
|
|
// Main program:
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
argList::noParallel();
|
||
|
|
|
||
|
|
# include "addOptions.H"
|
||
|
|
# include "setRootCase.H"
|
||
|
|
# include "createTime.H"
|
||
|
|
# include "checkOptions.H"
|
||
|
|
|
||
|
|
word regionName;
|
||
|
|
fileName polyMeshDir;
|
||
|
|
|
||
|
|
if (args.options().found("region"))
|
||
|
|
{
|
||
|
|
regionName = args.options()["region"];
|
||
|
|
polyMeshDir = regionName/polyMesh::meshSubDir;
|
||
|
|
|
||
|
|
Info<< nl << "Generating mesh for region " << regionName << endl;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
regionName = polyMesh::defaultRegion;
|
||
|
|
polyMeshDir = polyMesh::meshSubDir;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
Info<< nl << "Reading block mesh description dictionary" << endl;
|
||
|
|
|
||
|
|
IOobject meshDescriptionIOobject
|
||
|
|
(
|
||
|
|
"blockMeshDict",
|
||
|
|
runTime.constant(),
|
||
|
|
polyMeshDir,
|
||
|
|
runTime,
|
||
|
|
IOobject::MUST_READ,
|
||
|
|
IOobject::NO_WRITE,
|
||
|
|
false
|
||
|
|
);
|
||
|
|
|
||
|
|
if (!meshDescriptionIOobject.headerOk())
|
||
|
|
{
|
||
|
|
FatalErrorIn(args.executable())
|
||
|
|
<< "Cannot open mesh description file " << nl
|
||
|
|
<< runTime.constant()/polyMeshDir/"blockMeshDict" << nl
|
||
|
|
<< exit(FatalError);
|
||
|
|
}
|
||
|
|
|
||
|
|
IOdictionary meshDescription(meshDescriptionIOobject);
|
||
|
|
|
||
|
|
Info<< nl << "Creating block mesh" << endl;
|
||
|
|
|
||
|
|
blockMesh blocks(meshDescription);
|
||
|
|
|
||
|
|
|
||
|
|
if (writeTopo)
|
||
|
|
{
|
||
|
|
// Write mesh as edges.
|
||
|
|
{
|
||
|
|
fileName objMeshFile("blockTopology.obj");
|
||
|
|
|
||
|
|
OFstream str(runTime.path()/objMeshFile);
|
||
|
|
|
||
|
|
Info<< nl << "Dumping block structure as Lightwave obj format"
|
||
|
|
<< " to " << objMeshFile << endl;
|
||
|
|
|
||
|
|
blocks.writeTopology(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Write centres of blocks
|
||
|
|
{
|
||
|
|
fileName objCcFile("blockCentres.obj");
|
||
|
|
|
||
|
|
OFstream str(runTime.path()/objCcFile);
|
||
|
|
|
||
|
|
Info<< nl << "Dumping block centres as Lightwave obj format"
|
||
|
|
<< " to " << objCcFile << endl;
|
||
|
|
|
||
|
|
const polyMesh& topo = blocks.topology();
|
||
|
|
|
||
|
|
const pointField& cellCentres = topo.cellCentres();
|
||
|
|
|
||
|
|
forAll(cellCentres, cellI)
|
||
|
|
{
|
||
|
|
//point cc = b.blockShape().centre(b.points());
|
||
|
|
const point& cc = cellCentres[cellI];
|
||
|
|
|
||
|
|
str << "v " << cc.x() << ' ' << cc.y() << ' ' << cc.z() << nl;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Info<< nl << "end" << endl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
Info<< nl << "Creating mesh from block mesh" << endl;
|
||
|
|
|
||
|
|
wordList patchNames = blocks.patchNames();
|
||
|
|
wordList patchTypes = blocks.patchTypes();
|
||
|
|
word defaultFacesName = "defaultFaces";
|
||
|
|
word defaultFacesType = emptyPolyPatch::typeName;
|
||
|
|
wordList patchPhysicalTypes = blocks.patchPhysicalTypes();
|
||
|
|
|
||
|
|
preservePatchTypes
|
||
|
|
(
|
||
|
|
runTime,
|
||
|
|
runTime.constant(),
|
||
|
|
polyMeshDir, //polyMesh::meshSubDir
|
||
|
|
patchNames,
|
||
|
|
patchTypes,
|
||
|
|
defaultFacesName,
|
||
|
|
defaultFacesType,
|
||
|
|
patchPhysicalTypes
|
||
|
|
);
|
||
|
|
|
||
|
|
polyMesh mesh
|
||
|
|
(
|
||
|
|
IOobject
|
||
|
|
(
|
||
|
|
regionName,
|
||
|
|
runTime.constant(),
|
||
|
|
runTime
|
||
|
|
),
|
||
|
|
blocks.points(),
|
||
|
|
blocks.cells(),
|
||
|
|
blocks.patches(),
|
||
|
|
patchNames,
|
||
|
|
patchTypes,
|
||
|
|
defaultFacesName,
|
||
|
|
defaultFacesType,
|
||
|
|
patchPhysicalTypes
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
// Read in a list of dictionaries for the merge patch pairs
|
||
|
|
if (meshDescription.found("mergePatchPairs"))
|
||
|
|
{
|
||
|
|
Info<< nl << "Creating merge patch pairs" << nl << endl;
|
||
|
|
|
||
|
|
List<Pair<word> > mergePatchPairs
|
||
|
|
(
|
||
|
|
meshDescription.lookup("mergePatchPairs")
|
||
|
|
);
|
||
|
|
|
||
|
|
if (mergePatchPairs.size() > 0)
|
||
|
|
{
|
||
|
|
// Create and add point and face zones and mesh modifiers
|
||
|
|
List<pointZone*> pz(mergePatchPairs.size());
|
||
|
|
List<faceZone*> fz(3*mergePatchPairs.size());
|
||
|
|
List<cellZone*> cz(0);
|
||
|
|
|
||
|
|
forAll (mergePatchPairs, pairI)
|
||
|
|
{
|
||
|
|
const word mergeName
|
||
|
|
(
|
||
|
|
mergePatchPairs[pairI].first()
|
||
|
|
+ mergePatchPairs[pairI].second()
|
||
|
|
+ name(pairI)
|
||
|
|
);
|
||
|
|
|
||
|
|
pz[pairI] = new pointZone
|
||
|
|
(
|
||
|
|
mergeName + "CutPointZone",
|
||
|
|
labelList(0),
|
||
|
|
0,
|
||
|
|
mesh.pointZones()
|
||
|
|
);
|
||
|
|
|
||
|
|
// Master patch
|
||
|
|
const word masterPatchName(mergePatchPairs[pairI].first());
|
||
|
|
const polyPatch& masterPatch =
|
||
|
|
mesh.boundaryMesh()
|
||
|
|
[
|
||
|
|
mesh.boundaryMesh().findPatchID(masterPatchName)
|
||
|
|
];
|
||
|
|
|
||
|
|
labelList isf(masterPatch.size());
|
||
|
|
|
||
|
|
forAll (isf, i)
|
||
|
|
{
|
||
|
|
isf[i] = masterPatch.start() + i;
|
||
|
|
}
|
||
|
|
|
||
|
|
fz[3*pairI] = new faceZone
|
||
|
|
(
|
||
|
|
mergeName + "MasterZone",
|
||
|
|
isf,
|
||
|
|
boolList(masterPatch.size(), false),
|
||
|
|
0,
|
||
|
|
mesh.faceZones()
|
||
|
|
);
|
||
|
|
|
||
|
|
// Slave patch
|
||
|
|
const word slavePatchName(mergePatchPairs[pairI].second());
|
||
|
|
const polyPatch& slavePatch =
|
||
|
|
mesh.boundaryMesh()
|
||
|
|
[
|
||
|
|
mesh.boundaryMesh().findPatchID(slavePatchName)
|
||
|
|
];
|
||
|
|
|
||
|
|
labelList osf(slavePatch.size());
|
||
|
|
|
||
|
|
forAll (osf, i)
|
||
|
|
{
|
||
|
|
osf[i] = slavePatch.start() + i;
|
||
|
|
}
|
||
|
|
|
||
|
|
fz[3*pairI + 1] = new faceZone
|
||
|
|
(
|
||
|
|
mergeName + "SlaveZone",
|
||
|
|
osf,
|
||
|
|
boolList(slavePatch.size(), false),
|
||
|
|
1,
|
||
|
|
mesh.faceZones()
|
||
|
|
);
|
||
|
|
|
||
|
|
// Add empty zone for cut faces
|
||
|
|
fz[3*pairI + 2] = new faceZone
|
||
|
|
(
|
||
|
|
mergeName + "CutFaceZone",
|
||
|
|
labelList(0),
|
||
|
|
boolList(0, false),
|
||
|
|
2,
|
||
|
|
mesh.faceZones()
|
||
|
|
);
|
||
|
|
} // end of all merge pairs
|
||
|
|
|
||
|
|
Info << "Adding point and face zones" << endl;
|
||
|
|
mesh.addZones(pz, fz, cz);
|
||
|
|
|
||
|
|
|
||
|
|
Info << "Creating topo change" << endl;
|
||
|
|
polyTopoChanger attacher(mesh);
|
||
|
|
attacher.setSize(mergePatchPairs.size());
|
||
|
|
|
||
|
|
forAll (mergePatchPairs, pairI)
|
||
|
|
{
|
||
|
|
const word mergeName
|
||
|
|
(
|
||
|
|
mergePatchPairs[pairI].first()
|
||
|
|
+ mergePatchPairs[pairI].second()
|
||
|
|
+ name(pairI)
|
||
|
|
);
|
||
|
|
|
||
|
|
// Add the sliding interface mesh modifier
|
||
|
|
attacher.set
|
||
|
|
(
|
||
|
|
pairI,
|
||
|
|
new slidingInterface
|
||
|
|
(
|
||
|
|
"couple" + name(pairI),
|
||
|
|
pairI,
|
||
|
|
attacher,
|
||
|
|
mergeName + "MasterZone",
|
||
|
|
mergeName + "SlaveZone",
|
||
|
|
mergeName + "CutPointZone",
|
||
|
|
mergeName + "CutFaceZone",
|
||
|
|
mergePatchPairs[pairI].first(),
|
||
|
|
mergePatchPairs[pairI].second(),
|
||
|
|
slidingInterface::INTEGRAL, // always integral
|
||
|
|
false, // attach-detach action
|
||
|
|
intersection::VISIBLE
|
||
|
|
)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
attacher.changeMesh();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Info<< nl << "There are no merge patch pairs" << endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Set any cellZones (note: cell labelling unaffected by above
|
||
|
|
// mergePatchPairs)
|
||
|
|
|
||
|
|
label nZones = blocks.numZonedBlocks();
|
||
|
|
|
||
|
|
if (nZones > 0)
|
||
|
|
{
|
||
|
|
Info<< nl << "Adding cell zones" << endl;
|
||
|
|
|
||
|
|
// Map from zoneName to cellZone index
|
||
|
|
HashTable<label> zoneMap(nZones);
|
||
|
|
|
||
|
|
// Cells per zone.
|
||
|
|
List<DynamicList<label> > zoneCells(nZones);
|
||
|
|
|
||
|
|
// Running cell counter
|
||
|
|
label cellI = 0;
|
||
|
|
|
||
|
|
// Largest zone so far
|
||
|
|
label freeZoneI = 0;
|
||
|
|
|
||
|
|
forAll(blocks, blockI)
|
||
|
|
{
|
||
|
|
const block& b = blocks[blockI];
|
||
|
|
const labelListList& blockCells = b.cells();
|
||
|
|
const word& zoneName = b.blockDef().zoneName();
|
||
|
|
|
||
|
|
if (zoneName.size() > 0)
|
||
|
|
{
|
||
|
|
HashTable<label>::const_iterator iter = zoneMap.find(zoneName);
|
||
|
|
|
||
|
|
label zoneI;
|
||
|
|
|
||
|
|
if (iter == zoneMap.end())
|
||
|
|
{
|
||
|
|
zoneI = freeZoneI++;
|
||
|
|
|
||
|
|
Info<< " " << zoneI << '\t' << zoneName << endl;
|
||
|
|
|
||
|
|
zoneMap.insert(zoneName, zoneI);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
zoneI = iter();
|
||
|
|
}
|
||
|
|
|
||
|
|
forAll(blockCells, i)
|
||
|
|
{
|
||
|
|
zoneCells[zoneI].append(cellI++);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cellI += b.cells().size();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
List<cellZone*> cz(zoneMap.size());
|
||
|
|
|
||
|
|
Info<< nl << "Writing cell zones as cellSets" << endl;
|
||
|
|
|
||
|
|
forAllConstIter(HashTable<label>, zoneMap, iter)
|
||
|
|
{
|
||
|
|
label zoneI = iter();
|
||
|
|
|
||
|
|
cz[zoneI]= new cellZone
|
||
|
|
(
|
||
|
|
iter.key(),
|
||
|
|
zoneCells[zoneI].shrink(),
|
||
|
|
zoneI,
|
||
|
|
mesh.cellZones()
|
||
|
|
);
|
||
|
|
|
||
|
|
// Write as cellSet for ease of processing
|
||
|
|
cellSet cset
|
||
|
|
(
|
||
|
|
mesh,
|
||
|
|
iter.key(),
|
||
|
|
labelHashSet(zoneCells[zoneI].shrink())
|
||
|
|
);
|
||
|
|
cset.write();
|
||
|
|
}
|
||
|
|
|
||
|
|
mesh.pointZones().setSize(0);
|
||
|
|
mesh.faceZones().setSize(0);
|
||
|
|
mesh.cellZones().setSize(0);
|
||
|
|
mesh.addZones(List<pointZone*>(0), List<faceZone*>(0), cz);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set the precision of the points data to 10
|
||
|
|
IOstream::defaultPrecision(10);
|
||
|
|
|
||
|
|
Info << nl << "Writing polyMesh" << endl;
|
||
|
|
mesh.removeFiles(mesh.instance());
|
||
|
|
|
||
|
|
if (!mesh.write())
|
||
|
|
{
|
||
|
|
FatalErrorIn(args.executable())
|
||
|
|
<< "Failed writing polyMesh."
|
||
|
|
<< exit(FatalError);
|
||
|
|
}
|
||
|
|
|
||
|
|
Info<< nl << "end" << endl;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// ************************************************************************* //
|