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BUG: handling zero sized cyclics

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This commit is contained in:
mattijs
2012-01-13 08:41:49 +00:00
parent b2f40aecf5
commit a5e2edb3fd
1 changed files with 115 additions and 113 deletions
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228
src/OpenFOAM/meshes/polyMesh/polyPatches/constraint/cyclic/cyclicPolyPatch.C
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@ -419,146 +419,148 @@ void Foam::cyclicPolyPatch::getCentresAndAnchors
<< gAverage(half1Ctrs) << endl;
}
switch (transform_)
if (half0Ctrs.size())
{
case ROTATIONAL:
switch (transform_)
{
vector n0 = findFaceMaxRadius(half0Ctrs);
vector n1 = -findFaceMaxRadius(half1Ctrs);
n0 /= mag(n0) + VSMALL;
n1 /= mag(n1) + VSMALL;
if (debug)
case ROTATIONAL:
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< " Specified rotation :"
<< " n0:" << n0 << " n1:" << n1 << endl;
}
vector n0 = findFaceMaxRadius(half0Ctrs);
vector n1 = -findFaceMaxRadius(half1Ctrs);
n0 /= mag(n0) + VSMALL;
n1 /= mag(n1) + VSMALL;
// Extended tensor from two local coordinate systems calculated
// using normal and rotation axis
const tensor E0
(
rotationAxis_,
(n0 ^ rotationAxis_),
n0
);
const tensor E1
(
rotationAxis_,
(-n1 ^ rotationAxis_),
-n1
);
const tensor revT(E1.T() & E0);
// Rotation
forAll(half0Ctrs, faceI)
{
half0Ctrs[faceI] =
Foam::transform
(
revT,
half0Ctrs[faceI] - rotationCentre_
)
+ rotationCentre_;
anchors0[faceI] =
Foam::transform
(
revT,
anchors0[faceI] - rotationCentre_
)
+ rotationCentre_;
}
break;
}
case TRANSLATIONAL:
{
// Transform 0 points.
if (debug)
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< "Specified translation : " << separationVector_
<< endl;
}
// Note: getCentresAndAnchors gets called on the slave side
// so separationVector is owner-slave points.
half0Ctrs -= separationVector_;
anchors0 -= separationVector_;
break;
}
default:
{
// Assumes that cyclic is planar. This is also the initial
// condition for patches without faces.
// Determine the face with max area on both halves. These
// two faces are used to determine the transformation tensors
label max0I = findMaxArea(pp0.points(), pp0);
vector n0 = pp0[max0I].normal(pp0.points());
n0 /= mag(n0) + VSMALL;
label max1I = findMaxArea(pp1.points(), pp1);
vector n1 = pp1[max1I].normal(pp1.points());
n1 /= mag(n1) + VSMALL;
if (mag(n0 & n1) < 1-matchTolerance())
{
if (debug)
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< " Detected rotation :"
<< " Specified rotation :"
<< " n0:" << n0 << " n1:" << n1 << endl;
}
// Rotation (around origin)
const tensor revT(rotationTensor(n0, -n1));
// Extended tensor from two local coordinate systems calculated
// using normal and rotation axis
const tensor E0
(
rotationAxis_,
(n0 ^ rotationAxis_),
n0
);
const tensor E1
(
rotationAxis_,
(-n1 ^ rotationAxis_),
-n1
);
const tensor revT(E1.T() & E0);
// Rotation
forAll(half0Ctrs, faceI)
{
half0Ctrs[faceI] = Foam::transform
(
revT,
half0Ctrs[faceI]
);
anchors0[faceI] = Foam::transform
(
revT,
anchors0[faceI]
);
half0Ctrs[faceI] =
Foam::transform
(
revT,
half0Ctrs[faceI] - rotationCentre_
)
+ rotationCentre_;
anchors0[faceI] =
Foam::transform
(
revT,
anchors0[faceI] - rotationCentre_
)
+ rotationCentre_;
}
}
else
{
// Parallel translation. Get average of all used points.
const point ctr0(sum(pp0.localPoints())/pp0.nPoints());
const point ctr1(sum(pp1.localPoints())/pp1.nPoints());
break;
}
case TRANSLATIONAL:
{
// Transform 0 points.
if (debug)
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< " Detected translation :"
<< " n0:" << n0 << " n1:" << n1
<< " ctr0:" << ctr0 << " ctr1:" << ctr1 << endl;
<< "Specified translation : " << separationVector_
<< endl;
}
half0Ctrs += ctr1 - ctr0;
anchors0 += ctr1 - ctr0;
// Note: getCentresAndAnchors gets called on the slave side
// so separationVector is owner-slave points.
half0Ctrs -= separationVector_;
anchors0 -= separationVector_;
break;
}
default:
{
// Assumes that cyclic is planar. This is also the initial
// condition for patches without faces.
// Determine the face with max area on both halves. These
// two faces are used to determine the transformation tensors
label max0I = findMaxArea(pp0.points(), pp0);
vector n0 = pp0[max0I].normal(pp0.points());
n0 /= mag(n0) + VSMALL;
label max1I = findMaxArea(pp1.points(), pp1);
vector n1 = pp1[max1I].normal(pp1.points());
n1 /= mag(n1) + VSMALL;
if (mag(n0 & n1) < 1-matchTolerance())
{
if (debug)
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< " Detected rotation :"
<< " n0:" << n0 << " n1:" << n1 << endl;
}
// Rotation (around origin)
const tensor revT(rotationTensor(n0, -n1));
// Rotation
forAll(half0Ctrs, faceI)
{
half0Ctrs[faceI] = Foam::transform
(
revT,
half0Ctrs[faceI]
);
anchors0[faceI] = Foam::transform
(
revT,
anchors0[faceI]
);
}
}
else
{
// Parallel translation. Get average of all used points.
const point ctr0(sum(pp0.localPoints())/pp0.nPoints());
const point ctr1(sum(pp1.localPoints())/pp1.nPoints());
if (debug)
{
Pout<< "cyclicPolyPatch::getCentresAndAnchors :"
<< " patch:" << name()
<< " Detected translation :"
<< " n0:" << n0 << " n1:" << n1
<< " ctr0:" << ctr0 << " ctr1:" << ctr1 << endl;
}
half0Ctrs += ctr1 - ctr0;
anchors0 += ctr1 - ctr0;
}
break;
}
break;
}
}
// Calculate typical distance per face
tols = matchTolerance()*calcFaceTol(pp1, pp1.points(), half1Ctrs);
}
@ -1270,7 +1272,7 @@ bool Foam::cyclicPolyPatch::order
rotation.setSize(pp.size());
rotation = 0;
if (pp.empty() || transform_ == NOORDERING)
if (transform_ == NOORDERING)
{
// No faces, nothing to change.
return false;