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

Temperature distribution in a solid

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

Reply
 
LinkBack Thread Tools Display Modes
Old   August 29, 2007, 02:18
Default Hallo! I am a new OpenFoam-
  #1
New Member
 
Michael Krobath
Join Date: Mar 2009
Location: Styria, Austria
Posts: 2
Rep Power: 0
michael_krobath is on a distinguished road
Hallo!

I am a new OpenFoam-User and just doing my first steps.

Beside some other things I need to calculate the temperature distribution in a solid block, which consists of some different materials. The thermal conductivity of these materials depend on the temperature. Boundary conditions are mostly a temperature, a heat transfer coeffizient/ambient temperatur or heat flux. I would need the temperature in steady and unsteady state.

Up to now, I used Fluent/Gambit for those problems but in future we won't.

Creation of the mesh is no problem. But how can I setup this problem in OpenFoam? Do you know any tutorial or test case, which I can work thru to learn, how to solve such a problem?

Thanks in advance

Michael
michael_krobath is offline   Reply With Quote

Old   August 29, 2007, 02:38
Default Hello Michael Try the follo
  #2
Member
 
Prashant Ojha
Join Date: Mar 2009
Posts: 38
Rep Power: 8
prashant24983 is on a distinguished road
Hello Michael

Try the following link, you can also find a case file and required solver information here.

http://openfoamwiki.net/index.php/HeatTransfer

Just look through the case file and the solver.

Cheers!

Prashant
prashant24983 is offline   Reply With Quote

Old   August 29, 2007, 06:59
Default Hi! As I understand it, he
  #3
Assistant Moderator
 
Bernhard Gschaider
Join Date: Mar 2009
Posts: 3,912
Rep Power: 40
gschaider will become famous soon enoughgschaider will become famous soon enough
Hi!

As I understand it, he doesn't need the fluid part (except for the boundary conditions) - all parts are solid. So on one hand that solver would be too complex, on the other hand it is too simple because it still uses a constant thermal conductivity.
The "simplest" way would be to modify laplacianFoam to use a field instead of a constant for the "diffusion coefficient"/thermal conductivity.

Bernhard
__________________
Note: I don't use "Friend"-feature on this forum out of principle. Ah. And by the way: I'm not on Facebook either. So don't be offended if I don't accept your invitation/friend request
gschaider is offline   Reply With Quote

Old   August 29, 2007, 07:12
Default Thanks for your replys. Be
  #4
New Member
 
Michael Krobath
Join Date: Mar 2009
Location: Styria, Austria
Posts: 2
Rep Power: 0
michael_krobath is on a distinguished road
Thanks for your replys.

Bernhard, you are right. My problem is "only" to calculate the temperature distribution within the solid (no fluid take part).

But, I have different solid materials, with different thermal conductivities and they are (in worst scenarios) all temperature dependent.

Michael
michael_krobath is offline   Reply With Quote

Reply

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
temperature distribution in a plate with 2 metals Amir Khodabandeh FLUENT 1 March 16, 2007 03:51
HELP temp distribution on solid when dip in fluid MANOJ FLUENT 0 August 22, 2005 02:53
how to adjust solid distribution hx FLUENT 0 June 11, 2005 20:13
Linear Temperature Distribution Kathir FLUENT 0 July 16, 2004 09:33
Temperature Distribution on a circuit board Blackadder Main CFD Forum 1 March 27, 2003 12:32


All times are GMT -4. The time now is 16:43.