Sharp edges not being refined properly
 

Hello,

I'm new to snappyHexMesh and I've read through the snappy user guide as well as all relevant cfd-online posts. I am trying to make a mesh for a two nozzle impinging spray. The mesh will include one of the nozzles and a symmetric boundary on the plane where the jets collide. There is a second symmetric plane through the nozzle to minimize cell count. For now I am working with a single refinement cylinder of level 4 around the nozzle.

I am using explicit edge / feature snapping with surfaceFeatureExtract. The two primary problems that I am observing are,
1. Rounding of some sharp edges
2. Disruption of the symmetric plane

Attached are some screenshots of the current mesh snappyHexMesh is generating. There is a refinement cylinder with a refinement level of 4 around the nozzle. The snappyHexMeshDict is also attached. Any help is welcome!

Thanks,
Eli

I must say that edge problem looks like nothing I've seen before. Have you tried previewing the extracted feature lines and checking that they are correct?

(use and open the .obj file in paraview).

Yes, the extracted lines look to be right on.

Hmmm.. Any chance of you uploading your geometry then?