CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > ANSYS Meshing & Geometry

[ICEM] Conjugate CFD - Heat Transfer mesh

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

Like Tree1Likes
  • 1 Post By PSYMN

Reply
 
LinkBack Thread Tools Display Modes
Old   August 20, 2009, 10:41
Default Conjugate CFD - Heat Transfer mesh
  #1
New Member
 
Subhadeep
Join Date: Aug 2009
Posts: 14
Rep Power: 7
Subhadeep is on a distinguished road
Hi

Trying to achieve this task of meshing a 3D steady state problem in ICEM. Goal is to achieve a mesh capable of conjugate flow - heat transfer simulation. Have two solid walls with thickness and rest of the walls will be thin with thermal BC.

There is fluid flow passing from one channel into the main flow domain through a wall.

In ICEM I have tagged all the surfaces and have 3 material point: Fluid, Solid1, and Solid 2.

Solid1 and Solid 2 will be done using unstructured tet mesh (not too fine)

Fluid will be simulated with prism layers at the surface for resolving boundary layer and rest in unstructured tets.

Have created successfully and modeled just the fluid before in ICEM. Having a hard time understanding how to put the solids in the meshing too. For example an interface between solid and fluid : one side is facing the fluid so I want prism on that side of the interface 1st and then the tets. On the solid side of the interface I just want tets. How do I make ICEM understand that?

Any help will be deeply appreciated.
Subhadeep is offline   Reply With Quote

Old   August 21, 2009, 08:59
Default Prism Volume Parts
  #2
Senior Member
 
PSYMN's Avatar
 
Simon Pereira
Join Date: Mar 2009
Location: Ann Arbor, MI
Posts: 2,662
Blog Entries: 1
Rep Power: 35
PSYMN has a spectacular aura aboutPSYMN has a spectacular aura about
On the Params by Parts menu where you selected the surface parts for Prism, you can also select the volume parts…

The default (no volume parts selected) means to grow prism from any selected surfaces into any adjacent volume regions.

But if you select a volume region(s) (in your case, Fluid), then the prisms will only grow from selected surface parts into selected adjacent volume parts.

One other thing to think about with Conjugate heat transfer… Some users love how ICEM CFD effortlessly makes these node for node connected meshes, but others would prefer a coarser mesh, or even a quadratic mesh, on the Solid Side. If you want non-conformal mesh, you will just need to mesh the fluid region and solid regions separately… If you just want the solid mesh to be quadratic, you can make the conversion on just the Solid part thru the Edit Mesh Tab.
Mazze[ITA] likes this.
PSYMN is offline   Reply With Quote

Old   May 30, 2011, 04:17
Default
  #3
Member
 
Join Date: Jan 2011
Posts: 37
Rep Power: 6
rskrishna87 is on a distinguished road
Hi,

How did you transfer both the solid and fluid into cfx 13.0? can you please tell me.

thanks,

Krishna
rskrishna87 is offline   Reply With Quote

Old   May 31, 2011, 12:14
Default
  #4
Senior Member
 
PSYMN's Avatar
 
Simon Pereira
Join Date: Mar 2009
Location: Ann Arbor, MI
Posts: 2,662
Blog Entries: 1
Rep Power: 35
PSYMN has a spectacular aura aboutPSYMN has a spectacular aura about
Just make sure to have the volumes in separate PARTS. You can do that with different material points for Tetra or by assigning blocks to different parts (right click on the PARTS branch of the tree and "add to part").

When you get to CFX, you tag each of these regions as what ever type of solid or fluid you want...
__________________
-----------------------------------------
Please help guide development at ANSYS by filling in these surveys

Public ANSYS ICEM CFD Users Survey

This second one is more general (Gambit, TGrid and ANSYS Meshing users welcome)...

CFD Online Users Survey
PSYMN 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
Conjugate heat transfer models Alex Phoenics 8 April 6, 2009 15:58
Conjugate heat transfer with periodic boundaries Suresh FLUENT 0 February 23, 2009 10:51
Convective Heat Transfer - Heat Exchanger Mark CFX 6 November 15, 2004 16:55
Conjugate Heat Transfer for Wall Resistance?? Dietrich Lampe CD-adapco 1 December 10, 2003 17:29
Conjugate heat transfer Jing CD-adapco 4 January 21, 2002 12:27


All times are GMT -4. The time now is 18:51.