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

bubble rising grid study problem!

Register Blogs Community New Posts Updated Threads Search

Like Tree1Likes
  • 1 Post By mreza_cfd

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   July 15, 2015, 08:50
Default bubble rising grid study problem!
  #1
New Member
 
Mohammad reza
Join Date: Jul 2015
Posts: 7
Rep Power: 10
mreza_cfd is on a distinguished road
Dear Foam Users,


I did a simple run: 2d bubble rising with solver interFoam.
The problem is that when I run on a finer mesh, the results have more error with comparison to Hysing et al.*

Do you know why?!


You can see the code and results in attachment.


Thanks a lot in advance!


Attached Images
File Type: png bubble rising.PNG (24.7 KB, 18 views)
File Type: png Position of bubble.PNG (21.4 KB, 20 views)
File Type: png rise velosity grid 300-600.PNG (14.0 KB, 16 views)
Attached Files
File Type: zip bubble rising.zip (9.4 KB, 9 views)
sharonyue likes this.

Last edited by mreza_cfd; July 16, 2015 at 07:03.
mreza_cfd is offline   Reply With Quote

Old   August 12, 2019, 04:39
Default
  #2
New Member
 
PRASHANT MAHTO
Join Date: Aug 2019
Posts: 1
Rep Power: 0
guddu_jnk is on a distinguished road
Quote:
Originally Posted by mreza_cfd View Post
Dear Foam Users,


I did a simple run: 2d bubble rising with solver interFoam.
The problem is that when I run on a finer mesh, the results have more error with comparison to Hysing et al.*

Do you know why?!


You can see the code and results in attachment.


Thanks a lot in advance!


when i run your programming , then the bubble stays at one place it doesnot move upward.
why this is so?
guddu_jnk is offline   Reply With Quote

Reply

Tags
bubble rising, interfoam


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
Shear rate distribution around rising bubble Agis Fluent Multiphase 0 June 29, 2015 04:19
Grid and time step independence study ndabir FLUENT 4 February 16, 2015 16:40
having problems with performing grid convergence study in SWFS drdet FloEFD, FloWorks & FloTHERM 12 January 22, 2015 04:44
Problem of simulating shape oscillations of Bubble - Multiphase flow akash FLUENT 2 January 29, 2013 13:46
Problem with Grid convergence study dialolema CFX 1 June 14, 2010 18:33


All times are GMT -4. The time now is 03:27.