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

[TGrid] hybrid mesh-huge tets

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

Reply
 
LinkBack Thread Tools Display Modes
Old   March 9, 2011, 08:57
Default hybrid mesh-huge tets
  #1
Senior Member
 
Join Date: Feb 2011
Posts: 132
Rep Power: 6
Lilly is on a distinguished road
Hello,

I generated a hybrid mesh including prisms close to the surface and tets in the middle of the geometry with the help of Tgrid. Unfortunately the tets become pretty huge in the middle of the geometry. I tried to fix the problem via setting a smaller "Max Cell Size" value at "Refinement" and I am getting a larger number of elements then, but the tets in the middle of the geometry do not change a lot. Does anybody have an idea what to do?

Thanks a million,
Lilly
Lilly is offline   Reply With Quote

Old   March 11, 2011, 11:05
Default
  #2
Member
 
Sandeep
Join Date: Apr 2009
Location: Munich, Germany
Posts: 30
Rep Power: 8
sandeep_tu is on a distinguished road
you have to change the "growth rate" in "Refinement" try with smaller value
sandeep_tu is offline   Reply With Quote

Old   March 11, 2011, 11:49
Default
  #3
Senior Member
 
Join Date: Feb 2011
Posts: 132
Rep Power: 6
Lilly is on a distinguished road
Thank you!
Unfortunately I cannot find this option at "Refinement" (or somewhere else).
Maybe it's because I am using an old version (4.0.16).
I just can find: Max Cell Size, Max Cell Skew, Max Boundary Cell Skew, Min Boundary Cell Skew, Min Boundary Closeness and Boundary Cell Height at "Tri/Tet-->Refinement". Is there maybe another option or can I change the "growth rate" in a different way?

Lilly
Lilly is offline   Reply With Quote

Old   March 14, 2011, 05:33
Default
  #4
Member
 
Sandeep
Join Date: Apr 2009
Location: Munich, Germany
Posts: 30
Rep Power: 8
sandeep_tu is on a distinguished road
May be try with command in the Tgrid console

1. just type inter first then you will see all options
boundary/ exit mesh/
display/ file/ report/

2. and then type mesh (enter) tritet (enter) controls (enter) cell-size-function (enter) geometric (enter) and then you will see the default value in square brackets and then type the value what ever you want and enter. thats it the value is changed and do the tritet mesh as normal

this is the method in TGrid 3D 5.0.6

cheers
sandeep_tu 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
[ICEM] Hexa mesh, curve mesh setup, bunching law Anorky ANSYS Meshing & Geometry 4 November 12, 2014 01:27
[ICEM] Using a hybrid mesh for a simple pipe Udio_NT ANSYS Meshing & Geometry 17 October 18, 2012 14:42
engrid -> save as .stl with boundarie codes Zymon enGrid 31 August 29, 2011 13:40
[ICEM] hybrid mesh vmlxb6 ANSYS Meshing & Geometry 5 March 9, 2011 14:44
hexa vs hybrid mesh convergence Viais OpenFOAM Meshing & Mesh Conversion 0 April 23, 2010 10:39


All times are GMT -4. The time now is 21:15.