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ENH: cvMesh: speed up edge refinement

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This commit is contained in:
laurence 2013-02-12 15:45:21 +00:00
parent 10042d2a0a
commit 15ba9ec7c5
4 changed files with 56 additions and 19 deletions
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5
applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/cellShapeControl/cellShapeControlMesh/cellShapeControlMesh.H
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@ -109,6 +109,11 @@ public:
// Query
const Time& time() const
{
return runTime_;
}
//- Calculate and return the barycentric coordinates for
// interpolating quantities on the background mesh
void barycentricCoords

64
applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/cellShapeControl/controlMeshRefinement/controlMeshRefinement.C
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@ -51,18 +51,18 @@ Foam::scalar Foam::controlMeshRefinement::calcFirstDerivative
}
Foam::scalar Foam::controlMeshRefinement::calcSecondDerivative
(
const Foam::point& a,
const scalar& cellSizeA,
const Foam::point& midPoint,
const scalar& cellSizeMid,
const Foam::point& b,
const scalar& cellSizeB
) const
{
return (cellSizeA - 2*cellSizeMid + cellSizeB)/magSqr((a - b)/2);
}
//Foam::scalar Foam::controlMeshRefinement::calcSecondDerivative
//(
// const Foam::point& a,
// const scalar& cellSizeA,
// const Foam::point& midPoint,
// const scalar& cellSizeMid,
// const Foam::point& b,
// const scalar& cellSizeB
//) const
//{
// return (cellSizeA - 2*cellSizeMid + cellSizeB)/magSqr((a - b)/2);
//}
bool Foam::controlMeshRefinement::detectEdge
@ -77,15 +77,23 @@ bool Foam::controlMeshRefinement::detectEdge
Foam::point a(startPt);
Foam::point b(endPt);
// scalar cellSizeA = sizeControls_.cellSize(a);
// scalar cellSizeB = sizeControls_.cellSize(b);
Foam::point midPoint = (a + b)/2.0;
// scalar cellSizeMid = sizeControls_.cellSize(midPoint);
label nIterations = 0;
while (true)
{
nIterations++;
if (magSqr(a - b) < tolSqr)
if
(
magSqr(a - b) < tolSqr
)
{
pointFound.setPoint(midPoint);
pointFound.setHit();
@ -95,9 +103,15 @@ bool Foam::controlMeshRefinement::detectEdge
// Split into two regions
const scalar cellSizeA = sizeControls_.cellSize(a);
const scalar cellSizeB = sizeControls_.cellSize(b);
const scalar cellSizeMid = sizeControls_.cellSize(midPoint);
scalar cellSizeA = sizeControls_.cellSize(a);
scalar cellSizeB = sizeControls_.cellSize(b);
if (magSqr(cellSizeA - cellSizeB) < 1e-6)
{
return false;
}
scalar cellSizeMid = sizeControls_.cellSize(midPoint);
// Region 1
Foam::point midPoint1 = (a + midPoint)/2.0;
@ -150,12 +164,16 @@ bool Foam::controlMeshRefinement::detectEdge
if (magSqr(secondDerivative1) > magSqr(secondDerivative2))
{
b = midPoint;
// cellSizeB = cellSizeMid;
midPoint = midPoint1;
// cellSizeMid = cellSizeMid1;
}
else
{
a = midPoint;
// cellSizeA = cellSizeMid;
midPoint = midPoint2;
// cellSizeMid = cellSizeMid2;
}
}
}
@ -435,6 +453,8 @@ Foam::label Foam::controlMeshRefinement::refineMesh
DynamicList<Vb> verts(mesh_.number_of_vertices());
label count = 0;
for
(
CellSizeDelaunay::Finite_edges_iterator eit =
@ -443,6 +463,14 @@ Foam::label Foam::controlMeshRefinement::refineMesh
++eit
)
{
if (count % 10000 == 0)
{
Info<< count << " edges, inserted " << verts.size()
<< " Time = " << mesh_.time().elapsedCpuTime()
<< endl;
}
count++;
CellSizeDelaunay::Cell_handle c = eit->first;
CellSizeDelaunay::Vertex_handle vA = c->vertex(eit->second);
CellSizeDelaunay::Vertex_handle vB = c->vertex(eit->third);
@ -452,8 +480,8 @@ Foam::label Foam::controlMeshRefinement::refineMesh
mesh_.is_infinite(vA)
|| mesh_.is_infinite(vB)
|| (vA->referred() && vB->referred())
|| (vA->referred() && vA->procIndex() > vB->procIndex())
|| (vB->referred() && vB->procIndex() > vA->procIndex())
|| (vA->referred() && (vA->procIndex() > vB->procIndex()))
|| (vB->referred() && (vB->procIndex() > vA->procIndex()))
)
{
continue;

5
applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/cellShapeControl/controlMeshRefinement/controlMeshRefinement.H
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@ -82,7 +82,10 @@ class controlMeshRefinement
const scalar& cellSizeMid,
const Foam::point& b,
const scalar& cellSizeB
) const;
) const
{
return (cellSizeA - 2*cellSizeMid + cellSizeB)/magSqr((a - b)/2);
}
bool detectEdge

1
applications/utilities/mesh/generation/cvMesh/conformalVoronoiMesh/conformationSurfaces/conformationSurfaces.C
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@ -86,6 +86,7 @@ void Foam::conformationSurfaces::hasBoundedVolume
Info<< " Sum of all the surface normals (if near zero, surface is"
<< " probably closed):" << nl
<< " Note: Does not include baffle surfaces in calculation" << nl
<< " Sum = " << sum/totalTriangles << nl
<< " mag(Sum) = " << mag(sum)/totalTriangles
<< endl;