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Search: Posts Made By: Fabio
Forum: ANSYS Meshing & Geometry September 6, 2010, 13:11
Replies: 13
Views: 4,738
Posted By Fabio
If i rember well is possible to have a preview of...

If i rember well is possible to have a preview of the boundary layer that will be created and the relative y+.
Anyway i have found this paper maybe it helps...
Forum: ANSYS Meshing & Geometry September 6, 2010, 10:34
Replies: 13
Views: 4,738
Posted By Fabio
Hello, that formula is reffred to a fal plate in...

Hello, that formula is reffred to a fal plate in free stream, i don't remeber if is needed som sort fo correction factor to apply the results in a duct case.
Anyway what i don't know with which...
Forum: ANSYS Meshing & Geometry April 1, 2009, 06:37
Replies: 13
Views: 4,738
Posted By Fabio
Even if i got a better skewness seems that much...

Even if i got a better skewness seems that much work is needed, so my final question is: with a finer mesh near the wall boundries without using the BL tool is possible to get convrgence in a viscous...
Forum: ANSYS Meshing & Geometry March 23, 2009, 06:07
Replies: 13
Views: 4,738
Posted By Fabio
Well actually i'm working around the flap with...

Well actually i'm working around the flap with size function, skewness has improved but i need to tune the parameters in order to not get too much cells in mumber.
Anyway if you got some tricks...
Forum: ANSYS Meshing & Geometry March 20, 2009, 11:11
Replies: 13
Views: 4,738
Posted By Fabio
Yes the tube circular. First i have meshed the...

Yes the tube circular.
First i have meshed the edges to get a finer mesh where required, the i have meshed the surfaces with Tri/Pave because other tipes are not applicable or give poor skewness,...
Forum: ANSYS Meshing & Geometry March 20, 2009, 07:33
Replies: 13
Views: 4,738
Posted By Fabio
Hi and thanks, this is the image...

Hi and thanks, this is the image http://img16.imageshack.us/img16/922/flap3.png is a flap inside a tube,it's a 3d case i'm trying to run a viscous fluid simulation, but i got problems with mesh...
Forum: ANSYS Meshing & Geometry March 19, 2009, 04:09
Replies: 13
Views: 4,738
Posted By Fabio
I will try to put the question in a more easy...

I will try to put the question in a more easy way, using Gambit or Tgrid is possible to create a good mesh for a viscous fluid simulation without using the Boubdary Layer tool?
I got problems with...
Forum: ANSYS Meshing & Geometry March 16, 2009, 07:30
Replies: 13
Views: 4,738
Posted By Fabio
Boundary Layer

Hi all, i'm studying a 3d duct flow i got both Tgrid and Gambit, is there anyway to do a y^{+} refinement near the wall boundaries?
The gemetry has some sharp edges and create a 3d boundary layer ad...
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