Table 4 Mode frequencies of the three finite element models.
Mode 1 | Mode 2 | Mode 3 | Mode 4 | Mode 5 | Mode 6 | |
|---|---|---|---|---|---|---|
Model I (Hz) | 40.94 | 194.49 | 201.20 | 445.55 | 528.53 | 712.52 |
Model II (Hz) | 40.90 | 193.06 | 202.26 | 451.37 | 526.66 | 722.49 |
Model III (Hz) | 43.18 | 182.24 | 210.16 | 355.50 | 487.97 | 523.60 |