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

Pressure plot problem

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   March 10, 2005, 22:32
Default Pressure plot problem
  #1
vatsa
Guest
 
Posts: n/a
hi all i did a simple flow analysis of exhaust piping system with inlet (uniform velocity) and outlet(flow split = 1) BCs. with turbulence - k-e model

instead of getting more or less uniform pressure value across inlet surface, i got it as various colour bands depicting a range of values over the surface

This should not be the case where uniform velocity is specified. {there is no turbulence at inlet.}

Please clarify regards srivatsan
  Reply With Quote

Old   March 11, 2005, 07:03
Default Re: Pressure plot problem
  #2
carno
Guest
 
Posts: n/a
Firstly do not average the cell data (cave command). While plotting put the cell average option off. Plot and see. It may be averaging the pressure with shells at inlet, which do not have any pressure data.
  Reply With Quote

Old   March 11, 2005, 23:15
Default Re: Pressure plot problem
  #3
vatsa
Guest
 
Posts: n/a
hi carno thanks for the reply

i didnt do any averaging option at all.. i just plotted the pressure values..

i did one more std nozzle problem (with similar BCs) where i got uniform pressure at inlet.

please clarify vatsa
  Reply With Quote

Reply

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
how to plot the average pressure over each period? Tsui Phoenics 1 June 5, 2008 10:16
Plot pressure coefficient ryan_m OpenFOAM Running, Solving & CFD 0 May 19, 2008 22:20
Hole in pressure plot DAK565656 CFX 0 October 4, 2005 06:01
plot: pressure-time kein CFX 1 May 19, 2005 15:48
PLOT TIME vs PRESSURE Parshant Dhand FLUENT 0 January 17, 2003 16:31


All times are GMT -4. The time now is 10:01.