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Table 2 Natural frequencies of cylindrical shell with tuned bolted joints (Hz)

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

404

438

438

488

488

ω from ANSYS

401

401

438

438

480

480

Diff. (%)

0.7

0.7

0

0

1.7

1.7

Case II

ω from Eq. (11)

349

404

427

438

462

486

ω from ANSYS

347

401

426

438

457

477

Diff. (%)

0.6

0.7

0.2

0

1.1

1.9