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

Problems with negative volume cells

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

Reply
 
LinkBack Thread Tools Display Modes
Old   April 4, 2007, 17:46
Default Problems with negative volume cells
  #1
Shashank
Guest
 
Posts: n/a
Hi guys, iam trying to mesh a human artery model using unstructured hex mesh but when i increase the mesh density i get lot of negative volume cells, iam not sure how to overcome this problem.

  Reply With Quote

Old   April 4, 2007, 17:49
Default Re: Problems with negative volume cells
  #2
Joan
Guest
 
Posts: n/a
1. How do you increase the density ? 2. Are those cells also Left handed ? 3. Why unstructured Hex ??
  Reply With Quote

Old   April 4, 2007, 18:24
Default Re: Problems with negative volume cells
  #3
Shashank
Guest
 
Posts: n/a
All the cells are right handed. one can increase the density by refining the mesh using the option in star guide. I need Trimmed mesh (Unstructured mesh)for my application.
  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
Negative densities at more than 100 cells Luke CD-adapco 5 December 2, 2008 05:14
zero or negative volume cells giorgio CD-adapco 0 March 4, 2006 12:03
How to fix negative volume cells etc. Harry CD-adapco 7 July 24, 2005 07:17
About negative volume of cells! xhliu1 CD-adapco 0 April 15, 2005 23:49
negative cells Armin Gips FLUENT 0 January 28, 2002 02:27


All times are GMT -4. The time now is 04:43.