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Forum: ANSYS Meshing & Geometry

February 2, 2012, 08:36

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

I found a solution to the problem. I don't know...

I found a solution to the problem. I don't know what ICEM was doing but I guess that extruding the original mesh gave it some kind of problems of unknown nature.

I tried to delete one of the two...

Forum: ANSYS Meshing & Geometry

January 31, 2012, 11:50

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Keeping investigating I noticed that (referring...

Keeping investigating I noticed that (referring only to the two blocks giving periodicity problems):

1) all the elements on the periodic boundaries are interested by the error but not all the...

Forum: ANSYS Meshing & Geometry

January 31, 2012, 08:52

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Ah, I forgot to tell that the subsets in the...

Ah, I forgot to tell that the subsets in the picture are not the only ones giving error but they came from a random sampling of all the nodes in the error list.
I think that all the nodes in the...

Forum: ANSYS Meshing & Geometry

January 31, 2012, 08:48

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Dear Simon, I did a more deep investigation...

Dear Simon,

I did a more deep investigation of what happens by creating subsets and I noticed that, apparently all the errors are coming from only two blocks (see the picture attached).
What I...

Forum: ANSYS Meshing & Geometry

January 30, 2012, 13:12

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Dear Simon, sorry for the late reply but I...

Dear Simon,

sorry for the late reply but I could not work on the problem the last week.
I tried to import the mesh in fluent but it crashes during import.

Have you got any other suggestions?
...

Forum: ANSYS Meshing & Geometry

January 22, 2012, 13:24

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Dear Simon, thanks for the help. I had all...

Dear Simon,

thanks for the help. I had all the periodic surfaces on 2 parts: "periodic1" for one wall and "periodic2" for its correspondent. The curves are in the "geom" part, together with the...

Forum: ANSYS Meshing & Geometry

January 20, 2012, 11:51

Replies: 11

[ICEM] Shell X has node Y which has no twin

Views: 2,906

Posted By robboflea

Shell X has node Y which has no twin

Dear all,

mesh check is failing on periodicity check. I get many errors of the type:

"shell 268991 has node 98118 which has no twin"

The translational periodicity in my model has been set-up...

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