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

Roughness height and Y+ and y

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

LinkBack Thread Tools Display Modes
Old   June 24, 2013, 00:57
Default Roughness height and Y+ and y
Senior Member
Join Date: Jan 2013
Posts: 177
Rep Power: 7
flow_CH is on a distinguished road

I am modeling a concrete channel by Fluent.
What is Roughness height and Y+ and y in defining concrete channel?
I am confused what they are? I read all thread about thats but i don't know what they are.
Is the Roughness height exactly the height found on standard charts (

flow_CH is offline   Reply With Quote


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
Setting of Roughness Constant and Height Sing FLUENT 6 January 21, 2016 08:53
UDF: for the setting of roughness height maximus FLUENT 1 September 10, 2014 16:20
Trouble with Roughness Height Dragin STAR-CCM+ 1 June 17, 2009 16:32
atmospheric roughness height Alain BASTIDE Siemens 5 December 30, 2002 05:26
atmospheric roughness height Alain BASTIDE Main CFD Forum 0 December 27, 2002 16:32

All times are GMT -4. The time now is 03:08.