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

how to check Y+ values in spesific part no a whole of model?

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   July 9, 2015, 01:57
Default how to check Y+ values in spesific part no a whole of model?
  #1
New Member
 
widi
Join Date: May 2015
Posts: 10
Rep Power: 10
widi_5 is on a distinguished road
i have a question about to check Y+ values in spesific part not a whole of model in simulation?
widi_5 is offline   Reply With Quote

Old   July 9, 2015, 02:36
Default
  #2
Senior Member
 
Jamal Foroozesh
Join Date: Oct 2012
Location: Iran
Posts: 162
Rep Power: 13
jamalf64 is on a distinguished road
You can use contour or drawing graph.
jamalf64 is offline   Reply With Quote

Old   July 9, 2015, 02:44
Default
  #3
New Member
 
widi
Join Date: May 2015
Posts: 10
Rep Power: 10
widi_5 is on a distinguished road
Quote:
Originally Posted by jamalf64 View Post
You can use contour or drawing graph.
please how? you can tell me?
widi_5 is offline   Reply With Quote

Old   July 9, 2015, 02:46
Default
  #4
Senior Member
 
Jamal Foroozesh
Join Date: Oct 2012
Location: Iran
Posts: 162
Rep Power: 13
jamalf64 is on a distinguished road
Can you tell me your problem in details?
jamalf64 is offline   Reply With Quote

Old   July 9, 2015, 04:08
Default
  #5
New Member
 
widi
Join Date: May 2015
Posts: 10
Rep Power: 10
widi_5 is on a distinguished road
Quote:
Originally Posted by jamalf64 View Post
Can you tell me your problem in details?
i simulate Flue gas dispersion from exhaust gas stack.
but Y+ value is alwasy bigger.
whats wrong?
Attached Images
File Type: jpg stack.jpg (34.2 KB, 8 views)
widi_5 is offline   Reply With Quote

Old   July 9, 2015, 04:16
Default
  #6
Senior Member
 
Jamal Foroozesh
Join Date: Oct 2012
Location: Iran
Posts: 162
Rep Power: 13
jamalf64 is on a distinguished road
If your solution have converged, I think you must refine mesh close to walls . Also you can use adapt option to refine mesh near walls.
jamalf64 is offline   Reply With Quote

Old   July 9, 2015, 04:19
Default
  #7
New Member
 
widi
Join Date: May 2015
Posts: 10
Rep Power: 10
widi_5 is on a distinguished road
Quote:
Originally Posted by jamalf64 View Post
If your solution have converged, I think you must refine mesh close to walls . Also you can use adapt option to refine mesh near walls.
yes my solution is converged.
but is still confused how to refine mesh close to walls?
widi_5 is offline   Reply With Quote

Old   July 9, 2015, 04:29
Default
  #8
Senior Member
 
Jamal Foroozesh
Join Date: Oct 2012
Location: Iran
Posts: 162
Rep Power: 13
jamalf64 is on a distinguished road
Adapt >> yplus
jamalf64 is offline   Reply With Quote

Reply


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
Use of k-epsilon and k-omega Models Jade M Main CFD Forum 40 January 27, 2023 07:18
using chemkin JMDag2004 OpenFOAM Pre-Processing 2 March 8, 2016 22:38
Error in Two phase (condensation) modeling adilsyyed CFX 15 June 24, 2015 19:42
Jump in epsilon values near the wall : low re k-epsilon model malaboss OpenFOAM Verification & Validation 1 February 1, 2013 16:36
y+ check in k-w and k-e model vaina74 OpenFOAM Running, Solving & CFD 4 April 1, 2010 09:01


All times are GMT -4. The time now is 00:01.