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shell-beam vs solid for eigenanalysis

Posted 26 nov 2022, 00:25 GMT-5 Version 6.1 2 Replies

Panson Poon
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I created a table based on using either solid interface or shell-beam interface. Bottom boundaries/points of the solid legs/beams are fixed.

I expect both should result in closely agreed mode frequencies. However, the first and second mode frequencies are considerably different.

Is there anything wrong in the model?

2 Replies Last Post 1 dic 2022, 21:07 GMT-5
Henrik Sönnerlind COMSOL Employee

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Posted: 2 years ago 28 nov 2022, 07:19 GMT-5

The setting for Connected region in Shell-Beam Connection is wrong. Try Distance (automatic) instead.

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Henrik Sönnerlind
COMSOL
The setting for *Connected region* in *Shell-Beam Connection* is wrong. Try *Distance (automatic)* instead.
Panson Poon
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Posted: 2 years ago 1 dic 2022, 21:07 GMT-5

Thank you.

Thank you.

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