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ENH: foamyHexMesh: Check moved internal points are inside the geometry before inserting them

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This commit is contained in:
laurence
2013-07-30 12:12:18 +01:00
parent 1e420e02e7
commit 09a44ad606
4 changed files with 60 additions and 79 deletions
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114
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.C
View File

@ -562,7 +562,7 @@ void Foam::conformalVoronoiMesh::setVertexSizeAndAlignment()
{
if (vit->internalOrBoundaryPoint())
{
pointFromPoint pt = topoint(vit->point());
const pointFromPoint pt = topoint(vit->point());
cellShapeControls().cellSizeAndAlignment
(
@ -1135,10 +1135,12 @@ void Foam::conformalVoronoiMesh::move()
&& pointToBeRetained[vB->index()] == true
)
{
pointsToInsert.append
(
toPoint(0.5*(dVA + dVB))
);
Foam::point pt(0.5*(dVA + dVB));
if (internalPointIsInside(pt))
{
pointsToInsert.append(toPoint(pt));
}
}
}
@ -1274,7 +1276,10 @@ void Foam::conformalVoronoiMesh::move()
if (positionOnThisProc(newPt))
{
// Prevent insertions spanning surfaces
pointsToInsert.append(toPoint(newPt));
if (internalPointIsInside(newPt))
{
pointsToInsert.append(toPoint(newPt));
}
}
}
}
@ -1310,10 +1315,12 @@ void Foam::conformalVoronoiMesh::move()
&& pointToBeRetained[vB->index()] == true
)
{
pointsToInsert.append
(
toPoint(0.5*(dVA + dVB))
);
Foam::point pt(0.5*(dVA + dVB));
if (internalPointIsInside(pt))
{
pointsToInsert.append(toPoint(pt));
}
}
}
@ -1428,21 +1435,31 @@ void Foam::conformalVoronoiMesh::move()
// 14/1/2011.
// Only necessary if using an exact constructions kernel
// (extended precision)
pointsToInsert.append
Foam::point pt
(
toPoint
(
topoint(vit->point())
+ displacementAccumulator[vit->index()]
)
topoint(vit->point())
+ displacementAccumulator[vit->index()]
);
if (internalPointIsInside(pt))
{
pointsToInsert.append(toPoint(pt));
}
}
}
}
pointsToInsert.shrink();
Info<< indent
<< returnReduce
(
pointToBeRetained.count() - pointsToInsert.size(),
sumOp<label>()
)
<< " internal points were inserted outside the domain. "
<< "They have been removed." << endl;
// Save displacements to file.
if (foamyHexMeshControls().objOutput() && time().outputTime())
{
@ -1477,73 +1494,12 @@ void Foam::conformalVoronoiMesh::move()
timeCheck("Displacement calculated");
Info<< nl << "Inserting displaced tessellation" << endl;
Info<< nl<< "Inserting displaced tessellation" << endl;
insertFeaturePoints(true);
insertInternalPoints(pointsToInsert, true);
{
// Remove internal points that have been inserted outside the surface.
label internalPtIsOutside = 0;
autoPtr<OBJstream> str;
if (foamyHexMeshControls().objOutput() && time().outputTime())
{
str.set
(
new OBJstream(time().path()/"internalPointsOutsideDomain.obj")
);
}
DynamicList<Vertex_handle> pointsToRemove;
for
(
Delaunay::Finite_vertices_iterator vit = finite_vertices_begin();
vit != finite_vertices_end();
++vit
)
{
if
(
(vit->internalPoint() || vit->internalBoundaryPoint())
//&& !vit->referred()
)
{
const pointFromPoint pt = topoint(vit->point());
bool inside = geometryToConformTo_.inside(pt);
if
(
!inside
|| !geometryToConformTo_.globalBounds().contains(pt)
)
{
if
(
foamyHexMeshControls().objOutput()
&& time().outputTime()
)
{
str().write(topoint(vit->point()));
}
pointsToRemove.append(vit);
internalPtIsOutside++;
}
}
}
remove(pointsToRemove.begin(), pointsToRemove.end());
Info<< " " << returnReduce(internalPtIsOutside, sumOp<label>())
<< " internal points were inserted outside the domain. "
<< "They have been removed." << endl;
}
// Fix points that have not been significantly displaced
// for
// (

3
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.H
View File

@ -244,6 +244,9 @@ private:
DynamicList<Vb>& pts
) const;
//- Check internal point is completely inside the meshable region
inline bool internalPointIsInside(const Foam::point& pt) const;
inline bool isPointPair
(
const Vertex_handle& vA,

18
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshI.H
View File

@ -325,6 +325,24 @@ inline void Foam::conformalVoronoiMesh::createBafflePointPair
}
inline bool Foam::conformalVoronoiMesh::internalPointIsInside
(
const Foam::point& pt
) const
{
if
(
!geometryToConformTo_.inside(pt)
|| !geometryToConformTo_.globalBounds().contains(pt)
)
{
return false;
}
return true;
}
inline bool Foam::conformalVoronoiMesh::isPointPair
(
const Vertex_handle& vA,

4
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
View File

@ -674,6 +674,8 @@ void Foam::conformalVoronoiMesh::reorderProcessorPatches
pBufs.finishedSends();
Info<< incrIndent << indent << " Face ordering initialised..." << endl;
// Receive and calculate ordering
bool anyChanged = false;
@ -731,6 +733,8 @@ void Foam::conformalVoronoiMesh::reorderProcessorPatches
}
}
Info<< incrIndent << indent << " Faces matched." << endl;
reduce(anyChanged, orOp<bool>());
if (anyChanged)