zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ENH: foamyHexMesh: Allow feature edge point insertion on close features edges

Browse Source 
If two feature edges are close, allow points to be inserted on both edges if
the angle is large enough
This commit is contained in:
laurence
2013-06-14 09:31:09 +01:00
parent e007ee8641
commit 5d33f36a2f
3 changed files with 97 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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

@ -734,7 +734,8 @@ private:
//- edge conformation location
bool nearFeatureEdgeLocation
(
pointIndexHit& pHit
const pointIndexHit& pHit,
pointIndexHit& nearestEdgeHit
) const;
//- Build or rebuild the edge location tree

162
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
View File

@ -1897,87 +1897,87 @@ void Foam::conformalVoronoiMesh::indexDualVertices
}
}
{
// Snapping points far outside
if (cit->boundaryDualVertex() && !cit->parallelDualVertex())
{
pointFromPoint dual = cit->dual();
pointIndexHit hitInfo;
label surfHit;
// Find nearest surface point
geometryToConformTo_.findSurfaceNearest
(
dual,
sqr(targetCellSize(dual)),
hitInfo,
surfHit
);
if (!hitInfo.hit())
{
// Project dual to nearest point on tet
tetPointRef tet
(
topoint(cit->vertex(0)->point()),
topoint(cit->vertex(1)->point()),
topoint(cit->vertex(2)->point()),
topoint(cit->vertex(3)->point())
);
pointFromPoint nearestPointOnTet =
tet.nearestPoint(dual).rawPoint();
// Get nearest point on surface from tet.
geometryToConformTo_.findSurfaceNearest
(
nearestPointOnTet,
sqr(targetCellSize(nearestPointOnTet)),
hitInfo,
surfHit
);
vector snapDir = nearestPointOnTet - dual;
snapDir /= mag(snapDir) + SMALL;
drawDelaunayCell(tetToSnapTo, cit, offset);
offset += 1;
vectorField norm(1);
allGeometry_[surfHit].getNormal
(
List<pointIndexHit>(1, hitInfo),
norm
);
norm[0] /= mag(norm[0]) + SMALL;
if
(
hitInfo.hit()
&& (mag(snapDir & norm[0]) > 0.5)
)
{
snapping1.write
(
linePointRef(dual, nearestPointOnTet)
);
snapping2.write
(
linePointRef
(
nearestPointOnTet,
hitInfo.hitPoint()
)
);
pts[cit->cellIndex()] = hitInfo.hitPoint();
}
}
}
}
// {
// // Snapping points far outside
// if (cit->boundaryDualVertex() && !cit->parallelDualVertex())
// {
// pointFromPoint dual = cit->dual();
//
// pointIndexHit hitInfo;
// label surfHit;
//
// // Find nearest surface point
// geometryToConformTo_.findSurfaceNearest
// (
// dual,
// sqr(targetCellSize(dual)),
// hitInfo,
// surfHit
// );
//
// if (!hitInfo.hit())
// {
// // Project dual to nearest point on tet
//
// tetPointRef tet
// (
// topoint(cit->vertex(0)->point()),
// topoint(cit->vertex(1)->point()),
// topoint(cit->vertex(2)->point()),
// topoint(cit->vertex(3)->point())
// );
//
// pointFromPoint nearestPointOnTet =
// tet.nearestPoint(dual).rawPoint();
//
// // Get nearest point on surface from tet.
// geometryToConformTo_.findSurfaceNearest
// (
// nearestPointOnTet,
// sqr(targetCellSize(nearestPointOnTet)),
// hitInfo,
// surfHit
// );
//
// vector snapDir = nearestPointOnTet - dual;
// snapDir /= mag(snapDir) + SMALL;
//
// drawDelaunayCell(tetToSnapTo, cit, offset);
// offset += 1;
//
// vectorField norm(1);
// allGeometry_[surfHit].getNormal
// (
// List<pointIndexHit>(1, hitInfo),
// norm
// );
// norm[0] /= mag(norm[0]) + SMALL;
//
// if
// (
// hitInfo.hit()
// && (mag(snapDir & norm[0]) > 0.5)
// )
// {
// snapping1.write
// (
// linePointRef(dual, nearestPointOnTet)
// );
//
// snapping2.write
// (
// linePointRef
// (
// nearestPointOnTet,
// hitInfo.hitPoint()
// )
// );
//
// pts[cit->cellIndex()] = hitInfo.hitPoint();
// }
// }
// }
// }
if (cit->boundaryDualVertex())
{

30
applications/utilities/mesh/generation/foamyHexMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshConformToSurface.C
View File

@ -1928,14 +1928,16 @@ bool Foam::conformalVoronoiMesh::pointIsNearSurfaceLocation
bool Foam::conformalVoronoiMesh::nearFeatureEdgeLocation
(
pointIndexHit& pHit
const pointIndexHit& pHit,
pointIndexHit& nearestEdgeHit
) const
{
Foam::point pt = pHit.hitPoint();
const Foam::point& pt = pHit.hitPoint();
const scalar exclusionRangeSqr = featureEdgeExclusionDistanceSqr(pt);
bool closeToFeatureEdge = pointIsNearFeatureEdgeLocation(pt);
bool closeToFeatureEdge =
pointIsNearFeatureEdgeLocation(pt, nearestEdgeHit);
if (closeToFeatureEdge)
{
@ -1978,15 +1980,11 @@ bool Foam::conformalVoronoiMesh::nearFeatureEdgeLocation
if
(
mag(cosAngle) < searchConeAngle
&& (
mag(lineBetweenPoints)
> foamyHexMeshControls().pointPairDistanceCoeff()
*targetCellSize(pt)
)
&& (mag(lineBetweenPoints) > pointPairDistance(pt))
)
{
pt = edgeHit.hitPoint();
pHit.setPoint(pt);
//pt = edgeHit.hitPoint();
//pHit.setPoint(pt);
closeToFeatureEdge = false;
}
else
@ -2183,12 +2181,12 @@ void Foam::conformalVoronoiMesh::addSurfaceAndEdgeHits
if
(
!pointIsNearFeatureEdgeLocation
(
edPt,
nearestEdgeHit
)
// !nearFeatureEdgeLocation(edHit)
// !pointIsNearFeatureEdgeLocation
// (
// edPt,
// nearestEdgeHit
// )
!nearFeatureEdgeLocation(edHit, nearestEdgeHit)
)
{
appendToEdgeLocationTree(edPt);