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

how to calculate reynolds stresses from SA turbulence simulation?

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   May 2, 2016, 23:39
Default how to calculate reynolds stresses from SA turbulence simulation?
  #1
New Member
 
HUANG Junji
Join Date: Nov 2013
Posts: 4
Rep Power: 12
hjj3118 is on a distinguished road
Hi everyone,

I am simulating a compressible flat plate using SA turbulence model, and other turbulence models. One of the results I would like to check is Reynolds stresses
$\tau_{i,j}=2 \mu_{\tau} S_{ij}-2/3 \kappa \delta_{ij}$
$\kappa$ is the turbulent kinetic energy(TKE). From the fluent simulation, I can obtain all the velocity derivatives, and from k-based turbulence model I can also know $\kappa$. So I can calculate reynolds stress according to the formula. However, how can I do this from SA turbulence simulation since I don't know $\kappa$ from fluent?

Last edited by hjj3118; May 2, 2016 at 23:40. Reason: How to type math symbols here?
hjj3118 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
Resolved Reynolds Stresses in LES...??! ktgfeel FLUENT 11 March 5, 2021 00:27
Reynolds Stresses in Fluent AeroCat FLUENT 6 December 1, 2015 10:16
Low reynolds number airfoils simulation - COMSOL Multiphysics DjoneViana COMSOL 6 November 19, 2014 18:20
Turbulence Model and limitation to Reynolds number qascapri FLUENT 0 January 24, 2011 10:48
Turbulence Intensity Vs CFD Simulation Apple L S Chan Main CFD Forum 3 December 15, 1998 17:28


All times are GMT -4. The time now is 16:33.