CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

Fluent + ansys meshing dif regions

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   December 11, 2011, 06:32
Default Fluent + ansys meshing dif regions
  #1
New Member
 
Kevin Van Looveren
Join Date: Nov 2011
Posts: 11
Rep Power: 14
kvloover is on a distinguished road
I'm modelling the flow over a fin with louvers and added an inlet and outlet region with different meshing.
I did this by adding a frozen geometry infront and gave them a seperate automatic method in ansys mesher (as shown in http://www.youtube.com/watch?v=RELLrEJ9chg starting 9:45). The mesh looks good in ansys mesher but when I open fluent I get these errors:

Quote:
Warning: Flow boundary zone 33 is adjacent to a solid
zone (9). This problem MUST be fixed before
solution can proceed!
It seems that a wall was made at the outlet face (33) aswell as the outlet boundary condition. So I managed to fix this changing the boundary on 33 to an interface.

However it seems I'm having the same issue with the interfaces between the outlet region and the actual fin region. But there I can only chose between:
*fan
*interior
*porous-jump
*radiator
*wall

It also has a shadow zone on the same places (I presume one due to the face of geometry 1, other of geometry 2)

I figured interior would be suitable, but can't change it as it spouts the following error:
Quote:
Cannot change wall-part-2-part-solid to interior because
adjacent cell threads are of different types
How can I remove these "walls" and still have seperate meshing zones
(hex in inlet/outlet, tet in actual studied geometry)?
kvloover is offline   Reply With Quote

Old   December 13, 2011, 06:13
Default
  #2
New Member
 
Kevin Van Looveren
Join Date: Nov 2011
Posts: 11
Rep Power: 14
kvloover is on a distinguished road
Or perhaps a better question:
What is the proper way one makes different regions for different meshes from one geometry ?

(if making them multiple frozen geometries isn't sufficient)
kvloover is offline   Reply With Quote

Old   February 13, 2012, 09:16
Default
  #3
New Member
 
Kevin Van Looveren
Join Date: Nov 2011
Posts: 11
Rep Power: 14
kvloover is on a distinguished road
ok so i managed to get rid of the flow boundary errors for now by removing the nozzle (part was also made wrong, it seems, in ansys geometry)

The only problem remaining is the interfaces between the inlet and outlet regions. Does anybody know how I can resolve this?
Or perhaps the standard way of making multi-regions (seperate mesh types) ?

I'll post a pic of it when I get back home.

Last edited by kvloover; February 13, 2012 at 09:38.
kvloover is offline   Reply With Quote

Old   February 13, 2012, 10:19
Default
  #4
New Member
 
Kevin Van Looveren
Join Date: Nov 2011
Posts: 11
Rep Power: 14
kvloover is on a distinguished road
and seems to be fixed (for now):
forgot two things
- make the added parts fluid (default to solid)
- make the parts into one multibody part (takes care of the interfaces)
kvloover is offline   Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
drag coefficient in ansys fluent 12.0 krishna FLUENT 19 April 12, 2018 01:49
How to open Icem mesh in Ansys Fluent? emmkell FLUENT 27 February 6, 2018 04:34
Meshing In Ansys Workbench For Fluent (Refinement) FAU_OceanEng FLUENT 0 May 31, 2010 18:12
Urgent help needed- FLUENT to ANSYS Omer Main CFD Forum 3 September 18, 2006 11:24
Hot News: Ansys Buys Fluent Jonas Larsson Main CFD Forum 23 February 22, 2006 18:12


All times are GMT -4. The time now is 23:24.