Why this type of Notice is showing

Prasenjit Sanyal · June 28, 2016, 09:29

Recently while doing my cfd analysis of wind flow around a building I have found this type of notice on cfx output file. Why this is coming?

lcarasik · June 29, 2016, 14:51

Quote:

Originally Posted by Prasenjit Sanyal

Recently while doing my cfd analysis of wind flow around a building I have found this type of notice on cfx output file. Why this is coming?

Please ask this in the appropriate subforum.

diamondx · June 29, 2016, 20:05

it's a reverse flow warning , flow comes in instead of going out. CFX puts walls on those faces. Fluent just keep iterating with the warning.... you should keep iterating, the message has to go away at some point , if not you fix that by refining your mesh or enlarging outlet

-Maxim- · June 30, 2016, 04:32

http://www.cfd-online.com/Wiki/Ansys...f_an_OUTLET.22

Prasenjit Sanyal · June 30, 2016, 08:16

Thanks for your reply.
The message is disappearing after 15 iteration .
Is there any error in answer due to this warning??

-Maxim- · June 30, 2016, 08:22

Did you even read the FAQ section? That was the link I posted. Here is a quote:

Quote:

If the warning message disappears before obtaining the final solution, the results are still valid.

June 29, 2016, 20:05		#3
diamondx Super Moderator Ghazlani M. Ali Join Date: May 2011 Location: Tokyo, Japan Posts: 1,385 Blog Entries: 23 Rep Power: 29	it's a reverse flow warning , flow comes in instead of going out. CFX puts walls on those faces. Fluent just keep iterating with the warning.... you should keep iterating, the message has to go away at some point , if not you fix that by refining your mesh or enlarging outlet Prasenjit Sanyal likes this. __________________ Regards, New to ICEM CFD, try this document --> https://goo.gl/KAOIwm Ali

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June 30, 2016, 04:32		#4
-Maxim- Senior Member Maxim Join Date: Aug 2015 Location: Germany Posts: 413 Rep Power: 13	http://www.cfd-online.com/Wiki/Ansys...f_an_OUTLET.22

June 30, 2016, 08:16		#5
Prasenjit Sanyal New Member Prasenjit Sanyal Join Date: May 2016 Posts: 25 Rep Power: 10	Thanks for your reply. The message is disappearing after 15 iteration . Is there any error in answer due to this warning??