CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > ANSYS > FLUENT

reverse flow in pressure outlet

Register Blogs Members List Search Today's Posts Mark Forums Read

Like Tree17Likes

LinkBack Thread Tools Search this Thread Display Modes
Old   October 30, 2018, 07:54
Question reverse flow
New Member
Join Date: Oct 2018
Posts: 3
Rep Power: 7 is on a distinguished road
#The reverse flow occurs at the top of the last louver (next to the outlet)in double skin facade.How can i fix this error message in ansys fluent? is offline   Reply With Quote

Old   November 4, 2018, 15:02
Senior Member
Join Date: Mar 2009
Posts: 259
Rep Power: 17
Maddin is on a distinguished road
Reserve flow is no error - it's only a "hint" for you.
You could adjust the back flow in the boundary settings.
In other software I would enable extrusions or "old school" you add it in your model in front of the meshing

/edit: Mesh quality you should anyways.
Maddin is offline   Reply With Quote

Old   November 12, 2018, 04:25
New Member
Join Date: Dec 2017
Posts: 5
Rep Power: 7 is on a distinguished road
it is very useful to reduce the urf of momentom is offline   Reply With Quote

Old   June 27, 2019, 02:21
Default Reverse flow in pressure outlet
New Member
Santosh Kumar Sahu
Join Date: Oct 2015
Posts: 1
Rep Power: 0
sant021 is on a distinguished road

I am trying to solve a cryogenic problem where density of gas changes with temperature. When i change the density property it is showing reverse flow in pressure outlet, but if i use constant density there is no reverse flow.
sant021 is offline   Reply With Quote

Old   January 14, 2020, 07:17
Unhappy under relaxation factor
New Member
Garikai Marangwanda
Join Date: Dec 2013
Posts: 6
Rep Power: 12
Gbeatz is on a distinguished road
Originally Posted by misagh View Post
i had the same problem.i changed the urf(under relaxation factor) and the problem eliminated.
i am not sure whether it solves your problem or not...
best regards
how do changing of under relaxation factor affect the quality of the results obtained from a fluent simulation
Gbeatz is offline   Reply With Quote


reverse flow

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
reversed flow in xxxx faces on pressure outlet franzdrs FLUENT 8 January 4, 2020 21:12
Compressible flow, no data at the outlet mireis FLUENT 6 September 3, 2015 03:10
Terrible Mistake In Fluid Dynamics History Abhi Main CFD Forum 12 July 8, 2002 10:11
fluid flow fundas ram Main CFD Forum 5 June 17, 2000 22:31

All times are GMT -4. The time now is 06:15.