CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM > OpenFOAM Running, Solving & CFD

Calculating divDevReff

Register Blogs Community New Posts Updated Threads Search

Like Tree127Likes

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   October 15, 2020, 05:39
Default
  #81
New Member
 
Yuan Fang
Join Date: Oct 2020
Posts: 1
Rep Power: 0
fangyuanaza is on a distinguished road
Quote:
Originally Posted by galap View Post
Exactly reprint of my doubts. The issue in the incompressible is not the problem for me - since I am dealing with compressible flows. There the implementation seems to be correct. But what I don't see:

Where the term "- 2/3 rho k delta_ij" of the Reynold stress is taken into account? Has anyone find the answer?
I also doubt about this. If the Reynold Stress term meets the Boussinesq approximation, where is the "- 2/3 rho k delta_ij"? Do you figure out this problem?
fangyuanaza is offline   Reply With Quote

Old   June 12, 2022, 09:51
Default how to calculate implicit stress tensor
  #82
New Member
 
behnamCheraghi
Join Date: Feb 2021
Posts: 14
Rep Power: 5
behnamEll is on a distinguished road
hi

is there any way to calculating implicit stress tensor?
we actually working with div of stress tensor, but what for stress tensor itself?

somthing like
fvTensorMatrix blabla
{
fvm::desired()
}
behnamEll is offline   Reply With Quote

Old   June 12, 2022, 15:01
Default
  #83
Super Moderator
 
Tobi's Avatar
 
Tobias Holzmann
Join Date: Oct 2010
Location: Bad Wörishofen
Posts: 2,711
Blog Entries: 6
Rep Power: 52
Tobi has a spectacular aura aboutTobi has a spectacular aura aboutTobi has a spectacular aura about
Send a message via ICQ to Tobi Send a message via Skype™ to Tobi
Be more precise.
behnamEll likes this.
__________________
Keep foaming,
Tobias Holzmann
Tobi 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
Calculating Vorticity David CFX 28 October 29, 2017 19:02
Calculating Drag Ajay Rao FLUENT 8 February 15, 2010 10:15
what is Fluent calculating? tomek FLUENT 1 July 24, 2006 18:52
errors in calculating ustcer FLUENT 1 April 4, 2004 14:08
Calculating Coefficients shabah CFX 2 June 19, 2001 00:59


All times are GMT -4. The time now is 07:47.