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

Steady state Aeroacoustic simulation

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

Reply
 
LinkBack Thread Tools Display Modes
Old   May 24, 2005, 20:36
Default Steady state Aeroacoustic simulation
  #1
Niten Mistry
Guest
 
Posts: n/a
Hi,

I am using the aero-acoustics module available Star-CD V3.22 to run a steady state aeroacoustic simulation around a car side view mirror using high Re k-e model.

After the simulation converges, 1000 cells have been identified as acoustic sound sources. However I am unable to retrieve this data from the post file or from the post processing module. Does anybody have any advice on this?

Thanks in advance

Niten
  Reply With Quote

Old   May 25, 2005, 04:02
Default Re: Steady state Aeroacoustic simulation
  #2
Alex
Guest
 
Posts: n/a
Niten,

The Lilley source term is stored in the post file (getc aals).

Alex.
  Reply With Quote

Old   May 25, 2005, 05:38
Default Re: Steady state Aeroacoustic simulation
  #3
Niten Mistry
Guest
 
Posts: n/a
Hi alex,

When i type in that command, it simply says ' **error-aals is not a valid cell vecotr/scalar label.' Is there any other way of extracting the data?
  Reply With Quote

Old   May 25, 2005, 05:52
Default Re: Steady state Aeroacoustic simulation
  #4
Alex
Guest
 
Posts: n/a
When you load the .pst file, look in the get data panel in the STARGUIde to see if one of the options scalar options is the Lilley source. If it isn't there, then it hasn't been store on the post file.

If it's not on the post file, then either you didn't turn it on, it didn't get calculated correctly (check STAR output for any errors) or it's a bug and you should call support.

Alex.
  Reply With Quote

Old   May 25, 2005, 06:09
Default Re: Steady state Aeroacoustic simulation
  #5
Niten Mistry
Guest
 
Posts: n/a
Hi Alex,

I have run the simulation for a second time, and have definitely specified for the aeroacoustic equation source to be turned on. The info file reveals no errors in the convergence for the simulation, yet I am unable to retrieve the Lilley source from the post file. Any more suggestions?

Thanks

Niten
  Reply With Quote

Old   May 27, 2005, 07:02
Default Re: Steady state Aeroacoustic simulation
  #6
sankar
Guest
 
Posts: n/a
Hi,

If u are using STAR V3.22 Aeroaccoustics methodology is clearly described in prostar users guide. after loading post data. in scalar variables Accoustic source will come and you can get the data. and you can plot also.

rgds

sankar
  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
convergence for transient/steady state simulation Gab CFX 36 August 20, 2012 12:55
material property in steady state CHT simulation NVSD BABU CFX 3 February 25, 2009 01:58
Flow-3D for Steady State Simulation CK Main CFD Forum 3 August 22, 2008 02:20
steady state simulation timesteps amine CFX 4 March 17, 2008 11:29
steady state simulation manoj FLUENT 1 March 20, 2004 08:15


All times are GMT -4. The time now is 08:40.