CFD Online Logo CFD Online URL
Home > Forums > General Forums > Main CFD Forum

cell growth rate

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

LinkBack Thread Tools Search this Thread Display Modes
Old   January 17, 2006, 06:50
Default cell growth rate
Posts: n/a
I am solving a CFD problem for a room using Fluent. I wish to reduce number of cells in my problem. When I increase the volume growth rate to reduce no. of cells problem of truncation error comes in. Somebody has suggested me that I may divide the single zone into multiple zones, keeping the volume growth rate low and abruptly changing the size of the cells, say by a factor of 2 to 3, at the interface boundary.

I wish to seek expert guidance on this, i.e. (1) what should be the volume growth rate in a hexahederal mesh within a single zone and (2) by what factor can I increase the cell size while moving from one zone to another zone.

  Reply With Quote


Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Cells with t below lower limit Purushothama Siemens 2 May 31, 2010 21:58
mass flow rate entering and exiting a cell samir bensaid FLUENT 0 July 4, 2007 05:37
[Commercial meshers] Trimmed cell and embedded refinement mesh conversion issues michele OpenFOAM Meshing & Mesh Conversion 2 July 15, 2005 04:15
Warning 097- AB Siemens 6 November 15, 2004 04:41
strain rate at arbitrary position in a cell K. Kevala FLUENT 0 February 4, 2004 17:14

All times are GMT -4. The time now is 02:29.