Research Article
Crack Detection of Fan Blade Based on Natural Frequencies
Table 2
Fundamental natural frequency ratio (
) as a function of crack location and size for the blade.
| | | | | | | | | |
| | 0.9271 | 0.9340 | 0.9366 | 0.9425 | 0.9435 | 0.9467 | 0.9476 | 0.9515 | | 0.8712 | 0.9024 | 0.9121 | 0.9255 | 0.9359 | 0.9430 | 0.9474 | 0.9505 | | 0.8002 | 0.8845 | 0.9045 | 0.9132 | 0.9338 | 0.9149 | 0.9472 | 0.9498 |
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