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

[ICEM] Selecting internal field for naming

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

Reply
 
LinkBack Thread Tools Display Modes
Old   April 8, 2011, 08:06
Default Selecting internal field for naming
  #1
Senior Member
 
Rickard
Join Date: May 2010
Location: Lund, Skåne, Sweden
Posts: 143
Rep Power: 7
Rickard.Solsjo is on a distinguished road
Hi all!
Basically what I have is a thick pizza slice ( actually its and engine slice but pizza is easier).
I have different names of all of the patches; side, top, botttom etc...
What I want to do is to select some of the internal cells within the "pizza" and give these volume a name, like "bottompartPizza", centralpartPizza" and "headpartPizza".
Is this possible for a given mesh implemented in a .msh format. The cells is both hexaedral and tetrahedral.
Thx!
Rickard.Solsjo is offline   Reply With Quote

Old   April 9, 2011, 10:32
Default
  #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
yes, you can do it lots of ways...

Are the internal parts separated? We could use flood fill?

Are they within a specific region (that you could descrive with coordinates), if so, you could create a mesh subset by region and then right click on parts => Create Part and add the elements in the subset to the new part.

You could also just select interactively with New Part or Add to Part...
__________________
-----------------------------------------
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

Old   April 11, 2011, 11:16
Default
  #3
Senior Member
 
Rickard
Join Date: May 2010
Location: Lund, Skåne, Sweden
Posts: 143
Rep Power: 7
Rickard.Solsjo is on a distinguished road
Thank you for the reply Simon.
All of the parts are connected with each other, there are no holes etc..
About these subsets, can I define a part of the volume and name these cells to something and then they will still be a part of the internal parts and exist in the output .msh file?
Rickard.Solsjo is offline   Reply With Quote

Old   April 11, 2011, 15:34
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
Subsets are really just for selection convenience... They don't break up the model for output... However, if you do create a subset, you can easily put all its components into a part so that it will be broken out for the output file.
__________________
-----------------------------------------
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

Old   April 12, 2011, 04:32
Default
  #5
Senior Member
 
Rickard
Join Date: May 2010
Location: Lund, Skåne, Sweden
Posts: 143
Rep Power: 7
Rickard.Solsjo is on a distinguished road
Hey
I managed to create subsets in the specified region of interest, however even if I name them differently, they are just put together in a default_interior output in the .msh file.
Is this solved with what you meant by breaking up and adding to parts.

Cheers
R
Rickard.Solsjo is offline   Reply With Quote

Old   April 12, 2011, 09:48
Default
  #6
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
Right, so now that you have the subsets,

Right click on Parts => Create new part. In the selection tool bar you can select your subsets by name.

Make sure your subset only includes volume elements before you do this. You can by right clicking on the subset and choosing remove... In the selection toolbar turn off the volume cell selection and box select the subset to strip the shells, lines and points off it...
__________________
-----------------------------------------
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

Old   April 13, 2011, 03:03
Default
  #7
Senior Member
 
Rickard
Join Date: May 2010
Location: Lund, Skåne, Sweden
Posts: 143
Rep Power: 7
Rickard.Solsjo is on a distinguished road
I appreciate all the help but the adding of subsets does not seem to work.
When I select createPart there are no subsets in the list so I have to choose select from Screen. However, even if I do this, the subsets are not added into my list of parts

Sincerely
R
Rickard.Solsjo is offline   Reply With Quote

Old   April 13, 2011, 11:47
Default Steps
  #8
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
Perhaps it was looking for geometry subsets...

When you go to select, does it say "select elements" or "select entities"?

If it says "select entities", it is looking for geometry. Either turn off your geometry and try again or use the last icon in the tool bar to switch to mesh selection.

Then use the icon that looks like a ven diagram to select subsets. This will present you with a list of mesh subsets you can select for the operation...

In this case, the operation will be to add those to a new or existing volume part...

Best regards,

Simon
__________________
-----------------------------------------
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
Moving mesh Niklas Wikstrom (Wikstrom) OpenFOAM Running, Solving & CFD 122 June 15, 2014 06:20
internal Field BC T.D. OpenFOAM 5 March 14, 2011 05:48
problem with internal field and nonuniform list OFU OpenFOAM Running, Solving & CFD 1 October 5, 2009 03:35
Display internal field together with boundaries gunnar OpenFOAM Paraview & paraFoam 4 June 25, 2009 12:00
Problem with rhoSimpleFoam matteo_gautero OpenFOAM Running, Solving & CFD 0 February 28, 2008 07:51


All times are GMT -4. The time now is 20:59.