CFD Online Logo CFD Online URL
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Running, Solving & CFD

High residuals in OF

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

LinkBack Thread Tools Search this Thread Display Modes
Old   March 1, 2013, 03:41
Post High residuals in OF
Join Date: Nov 2012
Posts: 47
Rep Power: 10
andrei.cimpoeru is on a distinguished road

I am getting high residuals and the solution doesn't converge after 100 intinerations...

Do you have idea of what can cause this problem. After one simulation using simpleFoam and kwsst the only which doesn't converge is p file...........

Please see my screen shot in attachment.

Attached Images
File Type: jpg Screenshot at 2013-03-01 08:40:01.jpg (29.0 KB, 21 views)
andrei.cimpoeru is offline   Reply With Quote

Old   March 1, 2013, 11:46
Senior Member
Join Date: Oct 2011
Location: UK
Posts: 242
Rep Power: 12
Aeronautics El. K. is on a distinguished road
Try reducing the underrelaxation factor for the pressure and perform (much) more iterations

Aeronautics El. K. is offline   Reply With Quote


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
SimpleFoam: High residuals after increase in Reynolds Number JasonG OpenFOAM Running, Solving & CFD 21 October 5, 2017 10:11
Extremely high residuals Apocolapse STAR-CCM+ 0 December 21, 2012 11:40
help high initial residuals Aly FLUENT 0 October 11, 2007 09:04
Help HIGH RESIDUALS Aly NUMECA 0 October 11, 2007 08:57
Multicomponent fluid Andrea CFX 2 October 11, 2004 05:12

All times are GMT -4. The time now is 06:29.