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Holes in mesh between transition levels

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Old   November 15, 2019, 04:55
Default Holes in mesh between transition levels
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ombretta bistoni
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I have a problem regarding a mesh. If I write in snappyHexMesh the same level of refinement (min and max):

level (6 6);

everything is fine (see first image). If otherwise I write:

level (5 6);

I have some holes between the transitions from level 5 to level 6 (see 2nd image).

Anyone knows why this happens? Is there a parameter of snappyHexMesh that I can change to solve this issue? I have tried a lot, but anything seems working. I attach the snappyHexMesh file.
Thanks for the help.
Attached Images
File Type: jpeg no_transitions.jpeg (32.3 KB, 8 views)
File Type: jpeg transitions.jpeg (34.2 KB, 8 views)
Attached Files
File Type: zip snappyHexMesh.zip (4.2 KB, 1 views)
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level of refinement, snappy hex mesh, transitions

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