CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > FLUENT

reversed flow

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

Reply
 
LinkBack Thread Tools Display Modes
Old   April 13, 2004, 03:16
Default reversed flow
  #1
mukkarum
Guest
 
Posts: n/a
Hi,

When I am solving a geometry with coarse mesh, I am getting convergence and reversed flow upto only 23 iteration at outlet surface.

But, same geometry with finer mesh and all other same conditions, there is reversed flow and no convergence.

Anyone tell me the reason of this!!!

Thanks
  Reply With Quote

Old   April 13, 2004, 11:17
Default Re: reversed flow
  #2
ap
Guest
 
Posts: n/a
Well, you should give more information about your case.

However, if reversed flow is acceptable in your case, you should use pressure_outlet BC instead of outflow (if you're using it) and properly set B.C.

Usually this improves convergence and stability of the solution.

Hi

ap
  Reply With Quote

Reply

Thread Tools
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 On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
reversed flow free FLUENT 4 February 27, 2014 02:56
reversed flow during RNG in turbulence-k epsilon Suman Kandula FLUENT 4 April 2, 2012 07:12
Reversed flow...>>>Please HELP...! sushii FLUENT 14 October 29, 2007 05:27
reversed flow at velocity inlet / mass flow inlet ib FLUENT 1 March 26, 2007 13:11
reversed flow Sastry FLUENT 5 March 22, 2007 09:05


All times are GMT -4. The time now is 01:12.