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

What is the difference between Non-staggered and Collocated grid?

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   January 23, 2017, 14:59
Default What is the difference between Non-staggered and Collocated grid?
  #1
New Member
 
carl jung
Join Date: Mar 2016
Posts: 15
Rep Power: 10
carl jung is on a distinguished road
Hi all,

What is the difference between Non-staggered and Collocated grid?

According to Solution of Navier-Stokes equations on non-staggered grid(Date, 1992), ‘non-staggered’ grid arrangement, in which the velocities and the pressure are stored at the same location, that is, at the grid node.

According to CFD-Online Wiki, In collocated grid storage all flow variables are stored at the same locations.

I guess all the variables are stored at the grid node in non-staggered grid, and all the variables are stored at the same location(no matter where that is) in the collocated grid. Am I right?

If the variables are stored at the grid nodes, I wonder if I need to say just 'non-staggered grid', or 'collocated and non-staggered grid'.

Any comments would be appreciated.

Carl
carl jung is offline   Reply With Quote

Old   January 23, 2017, 15:11
Default
  #2
Senior Member
 
Filippo Maria Denaro
Join Date: Jul 2010
Posts: 6,849
Rep Power: 73
FMDenaro has a spectacular aura aboutFMDenaro has a spectacular aura aboutFMDenaro has a spectacular aura about
According to the book of Peric & Ferziger, colocated grid and non-staggered grid are the same.
FMDenaro is offline   Reply With Quote

Old   January 23, 2017, 15:39
Default
  #3
New Member
 
carl jung
Join Date: Mar 2016
Posts: 15
Rep Power: 10
carl jung is on a distinguished road
Thank you!
carl jung is offline   Reply With Quote

Reply

Tags
collocated, grid, non-staggered grid


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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Staggered or Collocated grid? Tanay OpenFOAM 2 September 11, 2012 13:43
momentum interpolation for collocated grid Hadian Main CFD Forum 4 December 25, 2009 08:25
Stability of Collocated grid! Frederic Felten Main CFD Forum 8 November 2, 2009 06:00
Staggered Vs Collocated grid Sas Main CFD Forum 6 June 21, 2007 11:34
Collocated or staggered grid? mspilot FLUENT 0 October 21, 2003 23:02


All times are GMT -4. The time now is 23:40.