Dynamic mesh and boundary layer -- CFD Online Discussion Forums

March 21, 2011, 17:14	Dynamic mesh and boundary layer	#1
Atze Member Join Date: Apr 2010 Location: Pisa / Italy Posts: 62 Rep Power: 16	hi all, i'm simulating an impeller using dynamic mesh. My problem is that if i use boundary layer mesh (prismal mesh) around the blades after few time step i get "negative cell volume". What can i do? I'd like to avoid enclosing blades in a zone apart thanks for your help didiean likes this.

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