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ENH: extrudeToRegionMesh: removing empty patches

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This commit is contained in:
mattijs
2011-11-08 16:35:04 +00:00
parent 827cc609d7
commit 24b3b3e1a9
1 changed files with 50 additions and 16 deletions
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66
applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C
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@ -770,7 +770,15 @@ void deleteEmptyPatches(fvMesh& mesh)
{
const polyBoundaryMesh& patches = mesh.boundaryMesh();
labelList oldToNew(patches.size());
wordList masterNames;
if (Pstream::master())
{
masterNames = patches.names();
}
Pstream::scatter(masterNames);
labelList oldToNew(patches.size(), -1);
label usedI = 0;
label notUsedI = patches.size();
@ -787,31 +795,55 @@ void deleteEmptyPatches(fvMesh& mesh)
// Add all the non-empty, non-processor patches
forAll(patches, patchI)
forAll(masterNames, masterI)
{
if (isA<processorPolyPatch>(patches[patchI]))
label patchI = patches.findPatchID(masterNames[masterI]);
if (patchI != -1)
{
// Processor patches are unique per processor so look at local
// size only
if (patches[patchI].size() == 0)
if (isA<processorPolyPatch>(patches[patchI]))
{
Pout<< "Deleting processor patch " << patchI
<< " name:" << patches[patchI].name()
<< endl;
oldToNew[patchI] = --notUsedI;
// Similar named processor patch? Not 'possible'.
if (patches[patchI].size() == 0)
{
Pout<< "Deleting processor patch " << patchI
<< " name:" << patches[patchI].name()
<< endl;
oldToNew[patchI] = --notUsedI;
}
else
{
oldToNew[patchI] = usedI++;
}
}
else
{
oldToNew[patchI] = usedI++;
// Common patch.
if (returnReduce(patches[patchI].size(), sumOp<label>()) == 0)
{
Pout<< "Deleting patch " << patchI
<< " name:" << patches[patchI].name()
<< endl;
oldToNew[patchI] = --notUsedI;
}
else
{
oldToNew[patchI] = usedI++;
}
}
}
else
}
// Add remaining patches at the end
forAll(patches, patchI)
{
if (oldToNew[patchI] == -1)
{
// All non-processor patches are present everywhere to reduce
// size
if (returnReduce(patches[patchI].size(), sumOp<label>()) == 0)
// Unique to this processor. Note: could check that these are
// only processor patches.
if (patches[patchI].size() == 0)
{
Pout<< "Deleting patch " << patchI
Pout<< "Deleting processor patch " << patchI
<< " name:" << patches[patchI].name()
<< endl;
oldToNew[patchI] = --notUsedI;
@ -2579,6 +2611,8 @@ int main(int argc, char *argv[])
mesh.setInstance(meshInstance);
// Remove any unused patches
deleteEmptyPatches(mesh);
Pout<< "Writing mesh " << mesh.name()
<< " to " << mesh.facesInstance() << nl