Research Article
Subsonic Flutter of Cantilever Rectangular PC Plate Structure
Table 5
Comparison of wind tunnel flutter test with flutter analysis for the rectangular plate for
-method.
| ZAERO© (-method) | Test | Speed change (m/s) | Freq. change (Hz) | Assumed struc. damping (%) | Flutter speed (m/s) | Flutter freq. (Hz) | Flutter speed (m/s) | Flutter freq. (Hz) |
| 0 | 22.5 | 10.4 | 24.9 | 8.8 | 9.6 | 18.2 | 0.5 | 22.6 | 10.3 | 24.9 | 8.8 | 9.2 | 17.0 | 1.0 | 22.8 | 10.2 | 24.9 | 8.8 | 8.4 | 15.9 | 1.5 | 23.0 | 10.2 | 24.9 | 8.8 | 7.6 | 15.9 | 2 | 23.2 | 10.1 | 24.9 | 8.8 | 6.8 | 14.7 | 2.5 | 23.3 | 10.0 | 24.9 | 8.8 | 6.4 | 13.6 | 3 | 23.5 | 9.9 | 24.9 | 8.8 | 5.6 | 12.5 | 3.5 | 23.7 | 9.8 | 24.9 | 8.8 | 4.8 | 11.4 | 4 | 23.9 | 9.7 | 24.9 | 8.8 | 4.0 | 10.2 |
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