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

improving a result??!!plz help!!

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

Reply
 
LinkBack Thread Tools Display Modes
Old   June 16, 2007, 02:43
Default improving a result??!!plz help!!
  #1
Donia
Guest
 
Posts: n/a
hi, to improve a result,i've tried to refine the mesh and to minimise the residual but i still need a better one!!what solving parameter can i modify?? thanks
  Reply With Quote

Old   June 16, 2007, 05:20
Default Re: improving a result??!!plz help!!
  #2
Tomasz Bednarz
Guest
 
Posts: n/a
Donia, please check your Courent number for your specific grid and time step, this should help to get better results, Tomasz
  Reply With Quote

Old   June 16, 2007, 05:37
Default Re: improving a result??!!plz help!!
  #3
Donia
Guest
 
Posts: n/a
thanks Tomasz,but what do you mean by courent number?
  Reply With Quote

Old   June 16, 2007, 06:10
Default Re: improving a result??!!plz help!!
  #4
Tomasz Bednarz
Guest
 
Posts: n/a
Courant number is kind of stability criteria for CFD computation - you can find decription in any CFD book
  Reply With Quote

Old   June 16, 2007, 06:11
Default Re: improving a result??!!plz help!!
  #5
Tomasz Bednarz
Guest
 
Posts: n/a
Donia, look here: http://www.mech.uq.edu.au/courses/me...der-relaxation
  Reply With Quote

Old   June 16, 2007, 06:31
Default Re: improving a result??!!plz help!!
  #6
Donia
Guest
 
Posts: n/a
thanks a lot Tomasz!!
  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
Improving Mesh - deleting cells sErik OpenFOAM 6 August 3, 2010 09:28
Improving convergence ? Gearb0x FLUENT 1 February 23, 2010 03:09
Improving a mesh with OF utilities bigred OpenFOAM Mesh Utilities 5 October 13, 2009 13:28
Improving mesh resolution Vidya Raja FLUENT 1 October 13, 2005 13:52
Improving resolution of the mesh Vidya Raja Main CFD Forum 0 October 13, 2005 11:14


All times are GMT -4. The time now is 14:17.