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

Help: different mesh for each region of a geometry

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

Reply
 
LinkBack Thread Tools Display Modes
Old   March 4, 2014, 16:36
Default Help: different mesh for each region of a geometry
  #1
New Member
 
Diego
Join Date: Jul 2011
Posts: 20
Rep Power: 6
Diegoesteban is on a distinguished road
Hi all, I have the following problem: I want to solve the system of the figure below. Since the passage of the medium is very small, I would use a fine mesh in that region, while a not so fine mesh would be enough to end the reservoirs. They can tell me how to make a different mesh for each region?
I guess I should divide my geometry in different "parts" in DesignModeler (using frozen). In Meshing, as I do a different mesh for each region?
I really appreciate any help you can give me.

Best regards!
Attached Images
File Type: png Consulta CFD-online.png (8.2 KB, 14 views)
Diegoesteban is offline   Reply With Quote

Old   March 4, 2014, 16:53
Default
  #2
New Member
 
Nick Prendergast
Join Date: Dec 2013
Posts: 28
Rep Power: 3
neprendo is on a distinguished road
There are a couple ways of doing it, but none of them are in fluent, which this is the forum for. I personally would use Icem to do this but thats up to your own preference.
In Icem after doing the geometry and some preliminary mesh generation its a matter of using mesh parameters and selecting the edge you want to increase the density on. After that you can scroll down and select copy to parallel edges. What are you trying to measure in the connecting pipe that you need a fine mesh anyway?
neprendo is offline   Reply With Quote

Old   March 4, 2014, 18:16
Default
  #3
New Member
 
Diego
Join Date: Jul 2011
Posts: 20
Rep Power: 6
Diegoesteban is on a distinguished road
I am studying compressible flow. I want to measure the mass flow rate as a function of pressure at the inlet and the outlet. Also, I want to analyze the gas jet formed at the exit of connecting pipe.
Right now I'm trying to use a single mesh my geometry (Meshing software), and add Refinement to the region connecting pipe.
Diegoesteban is offline   Reply With Quote

Old   March 4, 2014, 19:35
Default
  #4
New Member
 
Join Date: Aug 2013
Location: Bangkok
Posts: 27
Rep Power: 4
Eakarach is on a distinguished road
For refining mesh at desired zone in fluent, i used adapt region function to refine the mesh. It is very easy to do this by specify the desired zone and click mark. Fluent will compute the cell in this zone. Then click adapt to achieve the refine mesh. I hope it can help you.

Eakarach
Eakarach 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
No layers in a small gap bobburnquist OpenFOAM Native Meshers: snappyHexMesh and Others 6 August 26, 2015 09:38
Star CCM Overset Mesh Error (Rotating Turbine) thezack CD-adapco 3 December 11, 2013 04:09
Rotating Region and mesh size QuentinMercier Autodesk Simulation CFD 1 May 29, 2013 14:12
Using starToFoam clo OpenFOAM Other Meshers: ICEM, Star, Ansys, Pointwise, GridPro, Ansa, ... 33 September 26, 2012 04:04
unstructured vs. structured grids Frank Muldoon Main CFD Forum 1 January 5, 1999 11:09


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