[Eloise]

Hello,

I am meshing a geometry which includes (among other parts) two simple blocks on the top of each other (see fig1).
I generate first a background mesh with blockMesh and continue the meshing in snappyHexMesh. I obtain after meshing some ugly bumps in the upper block surface (see fig2).
Does one of you has already had this problem? Do you know how to fix it?

Other info:
- the castellated mesh is visible in fig3.
- I've obtained the same result with OF2.0.x and 2.1.1
- There is not a second surface inside the upper block to which the mesh could try to snap.
- I do not need to capture the edges of the box so I do not use feature curves on this specific case (the whole geometry is anyway too complex and the use of feature edges leads to the message "Did not succesfully snap mesh. Giving up.")

Thanks for your help!
Eloïse