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

Outflow BC

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

Reply
 
LinkBack Thread Tools Display Modes
Old   August 15, 2006, 04:23
Default Outflow BC
  #1
KK.Khan
Guest
 
Posts: n/a
I am simulating flow past circular cylinder using method of Artificialcompressibility proposed by Chorin. I have problem in implemeting outflow BC.

I used traction free propoesed by Gresho -1. p+2*mu*par*Un/par*n

2. (u, v )extrpolated and p=p_infinity

3. convective BC

but no satifactory result

can any one help me.

I can send the output file so that one can get insight of the problem.

Thanks

Khan

  Reply With Quote

Old   August 15, 2006, 21:28
Default Re: Outflow BC
  #2
Jonas Holdeman
Guest
 
Posts: n/a
I use divergence-free finite elements with no pressure gradient term and no outflow boundary condition. It works just fine.
  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
Outflow boundary Control Volume SIMPLE Help !!! Mizerable Main CFD Forum 4 August 22, 2011 13:00
No outflow - Error sErik OpenFOAM Running, Solving & CFD 1 November 18, 2009 12:10
mass flux correction at outflow boundaries Subhra Datta Main CFD Forum 2 November 24, 2003 14:11
outflow boudary condition in SIMPLE algorithm dallybird Main CFD Forum 0 March 6, 2003 12:55
Outflow Bocos Romuald Skoda Main CFD Forum 3 August 6, 1999 03:08


All times are GMT -4. The time now is 21:11.