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

Type of Contact for Fluid flows

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

Reply
 
LinkBack Thread Tools Display Modes
Old   January 5, 2011, 14:49
Smile Type of Contact for Fluid flows
  #1
New Member
 
wawa
Join Date: Nov 2010
Posts: 24
Rep Power: 6
wawa is on a distinguished road
Hi,

What type of contact should I use in ANSYS Workbench/ design modeler in order to specify a common boundary between two different fluid domain ?

Thanks.
wawa is offline   Reply With Quote

Old   January 8, 2011, 15:45
Default interior-Fluid2-Fluid2
  #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
Some other experts may have other suggestions, but I would suggest you just set up Named Selections for each fluid body, plus a named selection for the inlet, outlet, symmetry, etc.

If you have bodies with named selections as Fluid1 and Fluid2, when you get to Fluent, you will also see boundaries for wall-Fluid1, wall-FLuid2, interior-Fluid2-Fluid2, or something like that.
PSYMN is offline   Reply With Quote

Old   January 8, 2011, 16:59
Default
  #3
New Member
 
wawa
Join Date: Nov 2010
Posts: 24
Rep Power: 6
wawa is on a distinguished road
Hi PSYMN

But the issue is that to have a common boundary between two fluid or solid domains, I need to form a new part and imprint faces in Design modeler. Otherwise, when I send it to Fluent, I obtain 2 lines superimposed for the same boundary (not shadow walls), and this prevents a solution.

I was wondering whether you know how to have different parts in Design modeler, but solve them together in Fluent, without combining all parts & imprinting faces etc. This is so that it's easier to mesh in ANSYS Meshing.

Thanks.
wawa is offline   Reply With Quote

Old   January 8, 2011, 17:31
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
To have the parts with conformal mesh, you need to create a multi body part in DM. If you don't want conformal mesh (like a sliding mesh interface or other meshless interface), then you would expect two walls. This then becomes a solver question rather than a mesh setup one.
PSYMN is offline   Reply With Quote

Old   January 10, 2011, 04:34
Default
  #5
New Member
 
wawa
Join Date: Nov 2010
Posts: 24
Rep Power: 6
wawa is on a distinguished road
Ok,

But how will I set up the solver if I have a non-comformal mesh between a solid-fluid part that have a common boundary ?

Basically my problem is to solve a heat transfer problem between a fluid domain and a solid wall ( wall is constructed in Fluent), but I don't know how to set up a common boundary between the two in fluent, without forming a new part i.e. without conformal mesh, and imprinting faces.

Your help is very much appreciated.

Thanks.
wawa 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
Free jet simulation msarkar OpenFOAM Running, Solving & CFD 33 January 7, 2015 23:10
Wind turbine simulation Saturn CFX 34 October 16, 2014 05:27
turbulent jet simulation antonio_ing OpenFOAM Running, Solving & CFD 5 September 16, 2010 02:31
buoyantSimpleRadiationFoam msarkar OpenFOAM 0 February 15, 2010 07:22
Trimmed cell and embedded refinement mesh conversion issues michele OpenFOAM Other Meshers: ICEM, Star, Ansys, Pointwise, GridPro, Ansa, ... 2 July 15, 2005 04:15


All times are GMT -4. The time now is 10:06.