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

rotating plate in icoFoam

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

Reply
 
LinkBack Thread Tools Display Modes
Old   February 21, 2013, 17:17
Default rotating plate in icoFoam
  #1
Member
 
Pengchuan Wang
Join Date: Nov 2012
Location: Michigan USA
Posts: 54
Rep Power: 4
pechwang is on a distinguished road
Hello everyone,

I'm really new to OpenFOAM. I tried to simulate a plate that rotates relatively to another stationary plate. The picture is in attachment.(I don't know how to insert a picture here. Sorry about that). I used icoFoam and everything seemed OK. Then I changed the rotating plate to another shape which has some grooves on it. Then the rotatingwall boundary failed. I searched the internet and found I needed to use rotating reference frame. But there are all turbulent solvers. and my problem is a laminar flow. Can someone teach me how to do this? Thank you very much.
Attached Images
File Type: jpg 1.JPG (21.8 KB, 18 views)
File Type: jpg 2.JPG (19.1 KB, 14 views)
pechwang is offline   Reply With Quote

Old   February 21, 2013, 18:32
Default
  #2
Super Moderator
 
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 8,488
Blog Entries: 34
Rep Power: 86
wyldckat is just really nicewyldckat is just really nicewyldckat is just really nicewyldckat is just really nice
Greetings pechwang,

Turbulent solvers usually have an option for turning off said turbulence!

If I remember correctly, it should be as simple as:
  1. Edit the file "constant/RASProperties".
  2. Use these options:
    Code:
    RASModel            laminar;
    
    turbulence          off;
Best regards,
Bruno
wyldckat is online now   Reply With Quote

Old   February 25, 2013, 11:44
Default
  #3
Member
 
Pengchuan Wang
Join Date: Nov 2012
Location: Michigan USA
Posts: 54
Rep Power: 4
pechwang is on a distinguished road
Hi Bruno,

Thank you for your reply. I have another question, since I turn off the turbulence, do I still need to define seven initial conditions for it? I think for a laminar flow it just need P and U. Is that right? Thank you again.

Pengchuan

Quote:
Originally Posted by wyldckat View Post
Greetings pechwang,

Turbulent solvers usually have an option for turning off said turbulence!

If I remember correctly, it should be as simple as:
  1. Edit the file "constant/RASProperties".
  2. Use these options:
    Code:
    RASModel            laminar;
    
    turbulence          off;
Best regards,
Bruno
pechwang is offline   Reply With Quote

Old   February 25, 2013, 18:14
Default
  #4
Super Moderator
 
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 8,488
Blog Entries: 34
Rep Power: 86
wyldckat is just really nicewyldckat is just really nicewyldckat is just really nicewyldckat is just really nice
Hi Pengchuan,

It's as easy as doing some trial-and-error
If you remove all of the files from the "0" folder, except for "p" and "U", the solver will complain if there is a file missing!

Best regards,
Bruno
wyldckat is online now   Reply With Quote

Reply

Tags
icofoam, laminar flow, rotating boundary

Thread Tools
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 On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Rotating plate. farrr CFX 7 July 20, 2015 14:24
Rotating thin cylindrical plate heating/cooling trentar Main CFD Forum 0 August 17, 2012 07:35
rotating plate AlexAlex FLUENT 0 October 11, 2011 12:04
vibration of a rotating plate in water zhm Main CFD Forum 0 March 2, 2010 19:50
jet on rotating plate A.TOUZANI Main CFD Forum 0 January 30, 2003 11:05


All times are GMT -4. The time now is 20:30.