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Unhandled coupledPolyPatch type cyclic

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Old   April 7, 2013, 12:01
Default Unhandled coupledPolyPatch type cyclic
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I am working on simulating the flow over a 3D two-element infinite wing with a flap, in order to reduce the noise at the flap leading edge.
I am using snappyHexMesh, OpenFOAM with the LES turbulence model SpalartAllmarasDDES, and cyclic boundary conditions for the surfaces parallel to the flow.

When I run a simulation, I get a fatal error, Unhandled coupledPolyPatch type cyclic, after the first iteration which is writen into a file.
I have copied the error message below, which indicates it is linked to isoSurface. I also read this problem can sometimes be fixed by changing isoSurface to isoSurfaceCell in the controlDict file. However, I have no isoSurface function in my controlDict file, and I am confused as to how to implement it.

When running snappyHexMesh, I get a foam warning at the Morphing iteration 0 concerning excessive displacement, which increases te size of the domain by 10^-18 m on one of the surfaces with a cyclic boundary. Perhaps these errors are related ?

I also get a negative, very small lift coefficient of about 10^-8, which is of the order of 10^-4 when I use zeroGradient ontead of cyclic boundary conditions.

I have attached the snappyHexMesh and controlDict files I am using.

Any help would be greatly appreciated, especially as I am running on a tight schedule.

Thank you !

Unhandled coupledPolyPatch type cyclic

From function isoSurface::collocatedFaces(const coupledPolyPatch&) const
in file sampledSurface/isoSurface/isoSurface.C at line 94.

FOAM aborting

#0 Foam::error:rintStack(Foam::Ostream&) in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#1 Foam::error::abort() in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#2 Foam::isoSurface::collocatedFaces(Foam::coupledPol yPatch const&) const in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#3 Foam::isoSurface::isoSurface(Foam::GeometricField< double, Foam::fvPatchField, Foam::volMesh> const&, Foam::Field<double> const&, double, bool, double) in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#4 Foam::sampledCuttingPlane::createGeometry() in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#5 Foam::sampledCuttingPlane::update() in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#6 Foam::sampledSurfaces::update() in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#7 Foam::sampledSurfaces::write() in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#8 Foam::OutputFilterFunctionObject<Foam::sampledSurf aces>::execute(bool) in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#9 Foam::functionObjectList::execute(bool) in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
#10 Foam::Time::run() const in "/opt/openfoam211/platforms/linux64GccDPOpt/lib/"
in "/opt/openfoam211/platforms/linux64GccDPOpt/bin/pimpleDyMFoam"
#12 __libc_start_main in "/lib/x86_64-linux-gnu/"
in "/opt/openfoam211/platforms/linux64GccDPOpt/bin/pimpleDyMFoam"
Abandon (core dumped)
Attached Files
File Type: txt snappyHexMeshDict.txt (9.9 KB, 1 views)
File Type: txt controlDict.txt (2.1 KB, 14 views)

Last edited by Ariane; April 7, 2013 at 12:05. Reason: Forgot to mention something
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Old   April 8, 2013, 04:53
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It turns out the Unhandled coupledPolyPatch type cyclic error arrose from the fact I had included a cutingPlane function in controlDict.

However, I haven't figured out how to get rid of the foam warning about excessive displacement which arises at the Morphing iteration 0 of snappyHexMesh. It slightly changes the domain, which must be a reason why my results are wrong.
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Old   April 20, 2016, 10:52
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Hi, I also faced the same problem. Have you solved it now?
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unhandled coupledpolypatc

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