CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > SU2

Why is the side slip option only for compressible flows

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

Reply
 
LinkBack Thread Tools Display Modes
Old   March 7, 2015, 06:59
Default Why is the side slip option only for compressible flows
  #1
New Member
 
denzell
Join Date: Mar 2014
Posts: 12
Rep Power: 3
denzell is on a distinguished road
Hi,

I was wondering why the side slip option is available only for compressible flows?

Is there a workaround for this in order to simulate side-slip simulations for e.g. cars which operate in the incompressible fluid regime?

Thank you

--Denzell
denzell is offline   Reply With Quote

Old   March 10, 2015, 20:26
Default
  #2
hlk
Senior Member
 
Heather Kline
Join Date: Jun 2013
Posts: 181
Rep Power: 4
hlk is on a distinguished road
Quote:
Originally Posted by denzell View Post
Hi,

I was wondering why the side slip option is available only for compressible flows?

Is there a workaround for this in order to simulate side-slip simulations for e.g. cars which operate in the incompressible fluid regime?

Thank you

--Denzell
If it's not currently supported in the code the work-around would be to look closely at the incompressible solver class and find out if the initial/farfield conditions can be modified to change the incoming flow angle.
If you only have one angle to simulate, you could also make your mesh tilted relative to the x direction.
If you don't want to do that, however, you might be able to simulated the incompressible fluid regime with the compressible solver - physically, flow around a car is compressible - it's just that the compressible terms are negligible and can be left out. I don't have experience with simulating that regime personally, I suppose it could be possible that numerical errors could accumulate for that case (ie, gradients of density being close to machine precision), or another issue that I'm not aware of.
hlk 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
Wind turbine simulation Saturn CFX 41 February 2, 2016 07:48
sliding mesh problem in CFX Saima CFX 45 September 22, 2015 10:53
ansys cfx solver exit with return code 1!!!!! mhabibnia CFX 7 August 19, 2013 03:53
Low Mixing time Problem Mavier CFX 5 April 29, 2013 00:00
about compresive phase James CFX 10 September 12, 2006 03:16


All times are GMT -4. The time now is 09:45.