Research Article
Musical Tone Law Method for the Structural Damage Detection
Table 3
Natural frequencies of both shells.
| Test cases | 1st order | 2nd order | 3rd order | 4th order | 5th order | 6th order | 7th order | 8th order | 9th order | 10th order |
| Intact shell | 5.25 | 14.00 | 26.00 | 40.75 | 57.50 | 77.63 | 97.75 | 120.88 | 145.00 | 171.75 | Damaged shell | 4.75 | 11.38 | 24.00 | 35.88 | 58.88 | 75.25 | 94.75 | 117.63 | 141.75 | 160.75 |
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