Research Article
Free Vibration Analysis of Rings via Wave Approach
Table 2
Results calculated by classical method, wave approach, and FEM.
| Method | 1st mode | 2nd mode | 3rd mode | 4th mode | 5th mode |
| Classical Bessel | 37.65 Hz | 167.54 Hz | 414.27 Hz | 1244.22 Hz | 1443.31 Hz | Classical Hankel | 37.65 Hz | 167.54 Hz | 414.27 Hz | 1244.22 Hz | 1443.31 Hz | Wave approach | 37.65 Hz | 167.54 Hz | 414.27 Hz | 1244.22 Hz | 1443.31 Hz | FEM | 37.76 Hz | 168.30 Hz | 415.19 Hz | 1247.90 Hz | 1448.11 Hz |
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