[GAMBIT] Viscous layer elements aspect ratio -- CFD Online Discussion Forums

September 29, 2009, 06:10	[GAMBIT] Viscous layer elements aspect ratio	#1
siw Senior Member Stuart Join Date: Jul 2009 Location: Portsmouth, England Posts: 742 Rep Power: 26	Hi, I'm making a mesh for the external flow over a step and have put a boundary layer on the walls which was sized using a y+ of 30. But now I need to set the node spacing/clustering. So to keep element quantity as low as possible what's a good aspect ratio of the boundary layer? Also is there a way of clustering elements which are not on a surface? Just like CFX-Mesh has Point and Line Controls for this. Thanks Last edited by siw; September 29, 2009 at 06:29. Reason: Typos

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