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

Wall Function

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

Like Tree2Likes

Reply
 
LinkBack Thread Tools Display Modes
Old   August 31, 2011, 11:04
Default wall roughness
  #21
Member
 
The True
Join Date: Dec 2010
Posts: 80
Rep Power: 5
Eren10 is on a distinguished road
for wall roughness E 9.8 is used for smooth wall. For rough wall what value should E have ?
Eren10 is offline   Reply With Quote

Old   February 27, 2014, 13:01
Default
  #22
New Member
 
david mckelvey
Join Date: Nov 2013
Posts: 12
Rep Power: 2
dmck is on a distinguished road
i was wondering if you ever found a solution to the E value?

im trying to understand the parameters set for the wall functions, but i have been struggling to find out the exact meaning of E and the sorta values it requires

im aware that E=9.8 is the standard value in the source code

thanks
dmck is offline   Reply With Quote

Reply

Tags
friction, wall function

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
channelFoam for a 3D pipe AlmostSurelyRob OpenFOAM 3 June 24, 2011 13:06
Need some wall function approaches! yka8150 Main CFD Forum 0 September 21, 2009 23:08
Problem with compile the setParabolicInlet ivanyao OpenFOAM Running, Solving & CFD 6 September 5, 2008 20:50
Droplet Evaporation Christian Main CFD Forum 2 February 27, 2007 06:27
Wall function tod Phoenics 1 May 19, 2003 05:05


All times are GMT -4. The time now is 07:54.