2D Problem of External flow over an obstruction -- CFD Online Discussion Forums

January 16, 2013, 16:50		#24
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,740 Rep Power: 143	A detailed discussion is here: http://www.cfd-online.com/Wiki/Ansys...gence_criteria But in your case I can see a separation on the bottom wall/face which extends to the outlet. This is difficult to converge, so I would extend your outlet downstream so it is beyond any separation.

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