From: Influence of Non-uniform Parameter of Bolt Joint on Complexity of Frequency Characteristics of Cylindrical Shell
Order
1
2
3
4
5
6
Case I
ω from Eq. (11)
404
438
488
ω from ANSYS
401
480
Diff. (%)
0.7
0
1.7
Case II
349
427
462
486
347
426
457
477
0.6
0.2
1.1
1.9