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-   -   [GAMBIT] Problem with mesh in Gambit (http://www.cfd-online.com/Forums/ansys-meshing/73083-problem-mesh-gambit.html)

giuseppemerlini February 26, 2010 05:16

Problem with mesh in Gambit
 
1 Attachment(s)
Hi guy. I'm italian and For first i'm sorry for my english; i'm writing because i have a serious problem with gambit. in the picture that i enclose, there is a cylinder. I have mesh the surface 30, 31, 32 with elements: quad, type: map! when I mesh the volume, I select elements: HEX/WEDGE e type: cooper; for sources of cooper, i select surface: 30, 31, 32, but this is the result: ERROR: volume volume.11 cannot be meshed with only one connected set of source face. please help me. are the problem in the element that i indicated in the picture? is the geometry wrong? thank you very much for alla answer

-mAx- March 1, 2010 01:51

select faces 30 and 32 as source.
I assume your volume.11 is a cylinder

giuseppemerlini March 2, 2010 07:18

problem 2
 
thank you very much mAx for your reply. Now i have another question! There is a comand for refresh drawing, because when the dimensions are very small, the circle for example became hexagon! thank you for your reply.

-mAx- March 2, 2010 07:42

if the circle is hexagonal it is due to the number of nodes on your circle. I assume you only have 6 nodes. And 6 edges describing an circle is an hexagon

giuseppemerlini March 2, 2010 10:04

In the geometry mAx, no in the mesh

-mAx- March 2, 2010 14:12

Quote:

Originally Posted by giuseppemerlini (Post 248133)
In the geometry mAx, no in the mesh

post a picture :D

giuseppemerlini March 3, 2010 04:38

refresh drawing
 
in this picture, you can see that the 4 circles intersect each other! this because the distance are very small: order of micron! if you could do a refresh, i can mesh the surface because in this moment this is impossible.

giuseppemerlini March 3, 2010 04:41

1 Attachment(s)
the picture!

-mAx- March 3, 2010 06:02

I assume it is just a representation issue.
And you don't have meshing problems?

giuseppemerlini March 3, 2010 06:13

yes, we have problem when we mesh surfaces, :(

-mAx- March 3, 2010 08:01

upload your dbs file on a share server, I will take a look at it tomorrow

Eng. A. November 7, 2014 15:40

Cooper meshing face selection problem
 
1 Attachment(s)
Please I have a similar problem like the Main question, I have a cylinder volume and I like to use the HEX cooper technique to mesh the volume, noting that at the surface I split the surface the top and bottom using different shapes to control the mesh generated more and I split the side surface of the volume for the same reason of controlling the structure. the cylinder is upright as in the attached picture.

Attachment 34906

thanks in advance for your help.

-mAx- November 10, 2014 02:04

Are shapes at top and bottom similar?


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