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Forum: ANSYS Meshing & Geometry June 11, 2012, 07:46
Replies: 36
Views: 6,261
Posted By reza45000
I didn't exactly understand Why not to use it? ...

I didn't exactly understand Why not to use it?
How do you associate the inner block to hemisphere?
Forum: ANSYS Meshing & Geometry June 11, 2012, 03:40
Replies: 36
Views: 6,261
Posted By reza45000
Fantastic, I also did it and you can see. Thank...

Fantastic, I also did it and you can see. Thank you for your attention.You create a hemisphere part including the large circle. I create the hemisphere part exactly the hemisphere so in association...
Forum: ANSYS Meshing & Geometry June 7, 2012, 06:41
Replies: 36
Views: 6,261
Posted By reza45000
I think it has no difference. The block...

I think it has no difference. The block associates with the far field whether in sphere shape or rectangular.



Sorry I didn't:confused:.
I think my problem is the mesh on the bottom of...
Forum: ANSYS Meshing & Geometry June 7, 2012, 04:49
Replies: 36
Views: 6,261
Posted By reza45000
Here is a sample picture: the hemisphere is solid...

Here is a sample picture: the hemisphere is solid not hollow
http://www.cfd-online.com/Forums/attachment.php?attachmentid=13646&stc=1&d=1339058837
and we need farfield as I created in the geometry...
Forum: ANSYS Meshing & Geometry June 7, 2012, 03:07
Replies: 36
Views: 6,261
Posted By reza45000
it is impossible because Left Far-field and Right...

it is impossible because Left Far-field and Right Far-field are Inlet and Outlet or vice versa.


as you mentioned it is not a good one, look at the min angle: we have 0-9 degree...
Forum: ANSYS Meshing & Geometry June 7, 2012, 01:37
Replies: 36
Views: 6,261
Posted By reza45000
I Followed it but the main problem is the bottom...

I Followed it but the main problem is the bottom circle of the hemisphere. It itself need a 2D O-grid but in 3D blocking it is not possible as I know.
here is a 2D o-grid for a circle....
Forum: ANSYS Meshing & Geometry June 5, 2012, 14:41
Replies: 36
Views: 6,261
Posted By reza45000
Question 3D hemisphere

Hi, I have some problem related to this topic: I want to compute drag coefficient on a hemisphere and I know that the best way is an axisymmetric simulation. but for training I want to run a 3D...
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