Research Article
Crack Detection of Fan Blade Based on Natural Frequencies
Table 4
Third natural frequency ratio (
) as a function of crack location and crack size for the blade.
| | | | | | | | | |
| | 0.3408 | 0.3463 | 0.3426 | 0.3415 | 0.3450 | 0.3455 | 0.3458 | 0.3489 | | 0.3123 | 0.3221 | 0.3254 | 0.3287 | 0.3310 | 0.3357 | 0.3391 | 0.3454 | | 0.2947 | 0.3141 | 0.3164 | 0.3165 | 0.3209 | 0.3225 | 0.3365 | 0.3432 |
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