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[blockMesh] How to assign the Symmetry boundary condition in blockMeshDict OpenFOAM?

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Old   November 29, 2019, 04:55
Default How to assign the Symmetry boundary condition in blockMeshDict OpenFOAM?
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Vignesh
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Hello everyone,


I've just started using OpenFOAM, and I have a seemingly basic doubt with which I've been struggling for a bit now.

I'm simulating flow in a CD Nozzle. The nozzle is considered as axisymmetric, and I have created a basic mesh for one half of the nozzle in blockMesh. My question is, where do I specify my symmetry boundary condition? I've already specified that my lower wall is a symmetryPlane as shown below.



lowerWall
{
type symmetryPlane;
faces
(
(0 2 8 6)
(2 4 10 8)
);
}


Is this correct? Do I have to specify symmetry boundary anywhere else? If so, where?


Thank You
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