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ENH: symmetryPlane: inherit normal

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This commit is contained in:
mattijs
2014-02-03 15:00:42 +00:00
parent 7c350b0f6d
commit b8e1317eb7
1 changed files with 32 additions and 23 deletions
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27
src/OpenFOAM/meshes/polyMesh/polyPatches/constraint/symmetryPlane/symmetryPlanePolyPatch.C
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@ -42,17 +42,20 @@ namespace Foam
void Foam::symmetryPlanePolyPatch::calcGeometry(PstreamBuffers&) void Foam::symmetryPlanePolyPatch::calcGeometry(PstreamBuffers&)
{ {
if (returnReduce(size(), sumOp<label>()) == 0) if (n_ == vector::rootMax)
{ {
// No faces in patch. Avoid gAverage complaining and set if (returnReduce(size(), sumOp<label>()))
// normal to nonsense value to catch any use
n_ = vector::rootMax;
}
else
{ {
const vectorField& nf(faceNormals()); const vectorField& nf(faceNormals());
n_ = gAverage(nf); n_ = gAverage(nf);
if (debug)
{
Info<< "Patch " << name() << " calculated average normal "
<< n_ << endl;
}
// Check the symmetry plane is planar // Check the symmetry plane is planar
forAll(nf, facei) forAll(nf, facei)
{ {
@ -61,6 +64,11 @@ void Foam::symmetryPlanePolyPatch::calcGeometry(PstreamBuffers&)
FatalErrorIn("symmetryPlanePolyPatch::n()") FatalErrorIn("symmetryPlanePolyPatch::n()")
<< "Symmetry plane '" << name() << "' is not planar." << "Symmetry plane '" << name() << "' is not planar."
<< endl << endl
<< "At local face at "
<< primitivePatch::faceCentres()[facei]
<< " the normal " << nf[facei]
<< " differs from the average normal " << n_
<< " by " << magSqr(n_ - nf[facei]) << endl
<< "Either split the patch into planar parts" << "Either split the patch into planar parts"
<< " or use the " << symmetryPolyPatch::typeName << " or use the " << symmetryPolyPatch::typeName
<< " patch type" << " patch type"
@ -69,6 +77,7 @@ void Foam::symmetryPlanePolyPatch::calcGeometry(PstreamBuffers&)
} }
} }
} }
}
// * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * * * * * // // * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * * * * * //
@ -109,7 +118,7 @@ Foam::symmetryPlanePolyPatch::symmetryPlanePolyPatch
) )
: :
polyPatch(pp, bm), polyPatch(pp, bm),
n_(vector::rootMax) n_(pp.n_)
{} {}
@ -123,7 +132,7 @@ Foam::symmetryPlanePolyPatch::symmetryPlanePolyPatch
) )
: :
polyPatch(pp, bm, index, newSize, newStart), polyPatch(pp, bm, index, newSize, newStart),
n_(vector::rootMax) n_(pp.n_)
{} {}
@ -137,7 +146,7 @@ Foam::symmetryPlanePolyPatch::symmetryPlanePolyPatch
) )
: :
polyPatch(pp, bm, index, mapAddressing, newStart), polyPatch(pp, bm, index, mapAddressing, newStart),
n_(vector::rootMax) n_(pp.n_)
{} {}