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

question about 2D Transient flow analysis

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

Reply
 
LinkBack Thread Tools Display Modes
Old   July 17, 2013, 09:09
Default question about 2D Transient flow analysis
  #1
New Member
 
hsi
Join Date: Jul 2013
Posts: 2
Rep Power: 0
redhybrid is on a distinguished road
Hi everyone,

I am new to Ansys fluent. I have a question about the Transient flow simulation in fluent, how can I compute the average Cd(drag coefficient) in transient flow? Because in Report->Force it use last Cd to calculate the pressure force not the average Cd value.

I am using SST k-omega with PISO

Thank you
redhybrid is offline   Reply With Quote

Old   July 17, 2013, 10:27
Default
  #2
Far
Super Moderator
 
Far's Avatar
 
Sijal Ahmed Memon (turboenginner@gmail.com)
Join Date: Mar 2009
Location: Islamabad Pakistan
Posts: 3,969
Blog Entries: 6
Rep Power: 39
Far will become famous soon enoughFar will become famous soon enough
Send a message via Skype™ to Far
For this you have to monitor the drag data for all the time steps (after initial transients) and get the transient data statistics.
Far is offline   Reply With Quote

Old   July 17, 2013, 13:26
Default
  #3
New Member
 
hsi
Join Date: Jul 2013
Posts: 2
Rep Power: 0
redhybrid is on a distinguished road
Quote:
Originally Posted by Far View Post
For this you have to monitor the drag data for all the time steps (after initial transients) and get the transient data statistics.

Thanks for reply Far, you mean get the transient data statistics by surface integration? I still dont understand how to monitor the drag data?
redhybrid is offline   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
UDF for transient pressure inlet, mass flow check at nozzle exit and volumetric heat kokoory FLUENT 0 August 17, 2011 02:07
Transient heat flow saisanthoshm88 CFX 3 June 7, 2011 19:00
Transient heat flow saisanthoshm88 FloEFD, FloWorks & FloTHERM 3 June 7, 2011 09:13
transient compressible flow problem (urgent plz) jehanzeb FLUENT 5 August 3, 2004 08:04
PhD in turbulence Hans Main CFD Forum 14 October 8, 2001 03:03


All times are GMT -4. The time now is 19:33.