Problems with DES Model in CFX, thanks -- CFD Online Discussion Forums

September 8, 2015, 10:53	Problems with DES Model in CFX, thanks	#1
faithcsc New Member 陈思成 Join Date: Oct 2014 Posts: 7 Rep Power: 11	Hello. I am using DES Models in CFX to simulate a centrifugal compressor with an impeller (9 main blades, 9 splitter blades) and a diffuser (16 blades). Concerning the number of the blades, for their ratio is not 1:1, should I compute the working condition of all passages, or can I only compute one passage to get the result. Also, I am wondering its requirement of the mesh. Thank you for your time, and I would be really grateful for your help.

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