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ENH: snappyHexMesh: find point with perturbation

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This commit is contained in:
mattijs
2013-11-20 13:08:57 +00:00
parent 72377f6734
commit 45c6a071f2
3 changed files with 70 additions and 41 deletions
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47
src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C
View File

@ -2228,6 +2228,36 @@ void Foam::meshRefinement::selectSeparatedCoupledFaces(boolList& selected) const
}
Foam::label Foam::meshRefinement::findRegion
(
const polyMesh& mesh,
const labelList& cellToRegion,
const vector& perturbVec,
const point& p
)
{
label regionI = -1;
label cellI = mesh.findCell(p);
if (cellI != -1)
{
regionI = cellToRegion[cellI];
}
reduce(regionI, maxOp<label>());
if (regionI == -1)
{
// See if we can perturb a bit
cellI = mesh.findCell(p+perturbVec);
if (cellI != -1)
{
regionI = cellToRegion[cellI];
}
reduce(regionI, maxOp<label>());
}
return regionI;
}
Foam::autoPtr<Foam::mapPolyMesh> Foam::meshRefinement::splitMeshRegions
(
const labelList& globalToMasterPatch,
@ -2246,16 +2276,13 @@ Foam::autoPtr<Foam::mapPolyMesh> Foam::meshRefinement::splitMeshRegions
regionSplit cellRegion(mesh_, blockedFace);
label regionI = -1;
label cellI = mesh_.findCell(keepPoint);
if (cellI != -1)
{
regionI = cellRegion[cellI];
}
reduce(regionI, maxOp<label>());
label regionI = findRegion
(
mesh_,
cellRegion,
mergeDistance_*vector(1,1,1), // note:1,1,1 should really be normalised
keepPoint
);
if (regionI == -1)
{

9
src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H
View File

@ -890,6 +890,15 @@ public:
//- Select coupled faces that are not collocated
void selectSeparatedCoupledFaces(boolList&) const;
//- Find region cell is in. Uses optional perturbation to re-test.
static label findRegion
(
const polyMesh&,
const labelList& cellRegion,
const vector& perturbVec,
const point& p
);
//- Split mesh. Keep part containing point.
autoPtr<mapPolyMesh> splitMeshRegions
(

55
src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C
View File

@ -1381,18 +1381,16 @@ void Foam::meshRefinement::findCellZoneInsideWalk
<< endl;
// Find the region containing the insidePoint
label keepRegionI = -1;
label cellI = mesh_.findCell(insidePoint);
if (cellI != -1)
{
keepRegionI = cellRegion[cellI];
}
reduce(keepRegionI, maxOp<label>());
label keepRegionI = findRegion
(
mesh_,
cellRegion,
mergeDistance_*vector(1,1,1),
insidePoint
);
Info<< "For surface " << surfaces_.names()[surfI]
<< " found point " << insidePoint << " in cell " << cellI
<< " found point " << insidePoint
<< " in global region " << keepRegionI
<< " out of " << cellRegion.nRegions() << " regions." << endl;
@ -1548,19 +1546,16 @@ void Foam::meshRefinement::findCellZoneTopo
}
// Find the region containing the keepPoint
label keepRegionI = -1;
label keepRegionI = findRegion
(
mesh_,
cellRegion,
mergeDistance_*vector(1,1,1),
keepPoint
);
label cellI = mesh_.findCell(keepPoint);
if (cellI != -1)
{
keepRegionI = cellRegion[cellI];
}
reduce(keepRegionI, maxOp<label>());
Info<< "Found point " << keepPoint << " in cell " << cellI
Info<< "Found point " << keepPoint
<< " in global region " << keepRegionI
<< " out of " << cellRegion.nRegions() << " regions." << endl;
@ -2626,17 +2621,15 @@ Foam::autoPtr<Foam::mapPolyMesh> Foam::meshRefinement::splitMesh
blockedFace.clear();
// Find the region containing the keepPoint
label keepRegionI = -1;
label keepRegionI = findRegion
(
mesh_,
cellRegion,
mergeDistance_*vector(1,1,1),
keepPoint
);
label cellI = mesh_.findCell(keepPoint);
if (cellI != -1)
{
keepRegionI = cellRegion[cellI];
}
reduce(keepRegionI, maxOp<label>());
Info<< "Found point " << keepPoint << " in cell " << cellI
Info<< "Found point " << keepPoint
<< " in global region " << keepRegionI
<< " out of " << cellRegion.nRegions() << " regions." << endl;