CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT > Fluent UDF and Scheme Programming

omega,s derivative

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   September 12, 2011, 09:10
Default omega,s derivative
  #1
New Member
 
rezvan
Join Date: Aug 2011
Location: Mashhad,iran
Posts: 10
Rep Power: 14
rezvan is on a distinguished road
hi how can i write this in udf:
omega,s derivative toward x or y?
rezvan is offline   Reply With Quote

Old   September 12, 2011, 10:33
Default
  #2
Senior Member
 
Amir's Avatar
 
Amir
Join Date: May 2009
Location: Montreal, QC
Posts: 735
Blog Entries: 1
Rep Power: 22
Amir is on a distinguished road
Quote:
Originally Posted by rezvan View Post
hi how can i write this in udf:
omega,s derivative toward x or y?
Hi,
First, use velocity gradient macros to compute 3 components of angular velocity. Then use a UDS without solving. The procedure is similar to:
http://www.cfd-online.com/Forums/flu...tml#post306995

Bests,
__________________
Amir
Amir is offline   Reply With Quote

Reply


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
can i get pressure derivative in UDF? ruirui389 Fluent UDF and Scheme Programming 4 April 8, 2011 04:12
scalar and its derivative sucker Main CFD Forum 1 April 15, 2008 13:28
Boundary condition involving 2nd derivative of U maka OpenFOAM Pre-Processing 1 November 8, 2007 15:04
Second derivative with cfx 5.7.1 Alessandro CFX 10 April 21, 2006 10:31
how to obtain time derivative soubhik CFX 1 August 25, 2004 23:43


All times are GMT -4. The time now is 02:38.