CFD Online Logo CFD Online URL
Home > Forums > CFX

transient inlet profile

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

LinkBack Thread Tools Display Modes
Old   October 4, 2011, 08:06
Default transient inlet profile
Join Date: Aug 2011
Posts: 70
Rep Power: 6
colopolo is on a distinguished road
Dear All,

I have a simple question.

How to make transient inlet profile in CFX?

the format of data likes this;(I attached my profile file)

0 <=t <=5sec : 15m/s
5.< t <= 10 sec : 16 m/s
10sec < t <=15 sec : 17 m/s

I did make csv file then impose profile on inlet surface in CFX
In cfx, there is interpolation option so when I look at inlet velocity with time,
the velocity is automatically interpolation with before velocity.

How to put this transient velocity profile on inlet surface without interpolation with before velocity?

I think CEL may be useful but not clear for me.

thank you for any comments on this problem

Best Regards
Attached Files
File Type: txt inlet_profile.txt (69.5 KB, 31 views)
colopolo is offline   Reply With Quote

Old   October 4, 2011, 17:38
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 11,282
Rep Power: 88
ghorrocks is a jewel in the roughghorrocks is a jewel in the roughghorrocks is a jewel in the rough
You should use a 1D interpolation function, not a 3D one for a simple application like this.
ghorrocks 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
UDF inlet velocity profile mismatch with Fluent ChristineL Fluent UDF and Scheme Programming 10 June 24, 2013 06:10
patching velocity profile to the inlet face of domain vasuaero1988 Fluent UDF and Scheme Programming 1 September 29, 2010 03:49
Transient sinusoidal velocity inlet mrestrepo30 FLUENT 2 September 27, 2010 12:03
Inlet Profile with CFX-Pre Fadi Ishak CFX 1 June 10, 2008 07:12
Transient Inlet boundary condition - fully develop Omer CFX 3 November 28, 2006 17:22

All times are GMT -4. The time now is 06:35.