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

Error in Theory-Manual - 1

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

Reply
 
LinkBack Thread Tools Display Modes
Old   May 14, 2008, 10:10
Default Error in Theory-Manual - 1
  #1
Ulf Senechal
Guest
 
Posts: n/a
Hi,

it seems that there ist something wrong in the theory manual (xthry11.pdf) from CFX-11. In Eqn.4 (page 71) the term \nabla p (pressure gradient) is missing in the averaged momentum equation. In the laminar form in Eqn. 78 (page 23) the pressure gradient exists - so where it is going? Could somebody explain?

best regards, Ulf

  Reply With Quote

Old   May 14, 2008, 21:07
Default Re: Error in Theory-Manual - 1
  #2
HekLeR
Guest
 
Posts: n/a
I think on page 71 it's considered part of the stress. i.e the normal and shear stress are added together with the pressure gradient being the normal part of the stress.
  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
Netgen User Manual ggruber Open Source Meshers: Gmsh, Netgen, CGNS, ... 0 March 21, 2010 04:12
Who can provide me Theory Manual of Fluent? Dawn FLUENT 1 November 8, 2005 07:12
Solver Theory petr CFX 0 April 20, 2005 09:03
Piston theory equation deduce zyf Main CFD Forum 1 March 29, 2005 18:34
Can somebody send me a Fluent 6 UDF manual?? KKLAU FLUENT 4 April 14, 2004 16:37


All times are GMT -4. The time now is 06:00.