Research Article
Geometrically Nonlinear Aeroelastic Stability Analysis and Wind Tunnel Test Validation of a Very Flexible Wing
Table 2
Flutter speeds under different angles of attack.
| | Angle of attack | 0° | 0.5° | 1.0° | 1.5° | Linear | | Computation | Experiment | Computation | Experiment | Computation | Experiment | Computation | Experiment | Computation |
| | Flutter speed (m/s) | 33.0 | 35.7 | 31.5 | 34.4 | 28.0 | 32.2 | 26.5 | 27.0 | 33.5 | | Flutter frequency (Hz) | 7.60 | 6.94 | 7.82 | 6.88 | 7.34 | 7.00 | 7.53 | 13.38 | 7.29 | | Unstable mode | First horizontal bend in plane | First twist |
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