snappyHexMesh: No layer at the outer surfaces of the mesh
I have a -maybe simple- problem when generating a mesh of a prismatic body in snappyHexMesh. The layers are only produced in the inner part of the mesh while there are no layers on the outside boundaries of the mesh. This kind of mesh results in high values of yPlus close to the outer faces.
I created a very simple mesh of a cylinder to show that problem. I clipped the mesh twice to make the inner part visible (see attached pictures).
Here is the snappyHexMeshDict I used:
Thanks in advance!
I've never tried to insert Layers on an outer wall with sHM, but here is what I'd try:
1) in the output of blockMesh utility, you get a message in which you can read the name of your different patches such as:
Otherwise, I'd already create the layers in the background mesh with blockMesh.
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