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

about time step(DELT)

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

Reply
 
LinkBack Thread Tools Display Modes
Old   December 24, 2005, 00:36
Default about time step(DELT)
  #1
GOVINDARAJU L
Guest
 
Posts: n/a
How to choose DELT ? is there any methd to choose thanks in advance
  Reply With Quote

Old   December 25, 2005, 09:50
Default Re: about time step(DELT)
  #2
HS
Guest
 
Posts: n/a
Hello!

This is very much depending on your problem... Generally, the time step should be at least one order of magnitude smaller than the smallest time scale you wish to resolve correctly in your system.

Also, numerical instability may limit the time step size.

/Henrik
  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
TimeVaryingMappedFixedValue irishdave OpenFOAM Running, Solving & CFD 26 July 24, 2014 04:30
Time step size and max iterations per time step pUl| FLUENT 24 January 16, 2014 06:35
calculation diverge after continue to run zhajingjing OpenFOAM 0 April 28, 2010 04:35
Problems with simulating TurbFOAM barath.ezhilan OpenFOAM 13 July 16, 2009 05:55
Modeling in micron scale using icoFoam m9819348 OpenFOAM Running, Solving & CFD 7 October 27, 2007 00:36


All times are GMT -4. The time now is 21:03.