Research Article
Dynamic Gust Load Analysis for Rotors
Table 2
Modal analysis results for isolated rotors.
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Modal description | Nonrotating condition | Rotate at 1700 RPM | | Test (Hz) | Large deflection beam model (Hz) | Result in [17] (Hz) | Large deflection beam model (Hz) | Medium deflection beam model (Hz) |
| | First lag mode | 14.17 | 14.18 | 20.12 | 18.66 | 20.57 | | First flap mode | 5.10 | 5.11 | 32.02 | 35.15 | 31.74 |
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