Research Article
Subsonic Flutter of Cantilever Rectangular PC Plate Structure
Table 6
Comparison of wind tunnel flutter test with flutter analysis for the rectangular plate for k-method.
| | ZAERO© (k-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 | 23.8 | 9.7 | 24.9 | 8.8 | 4.4 | 10.2 | | 0.5 | 24.0 | 9.6 | 24.9 | 8.8 | 3.6 | 9.1 | | 1.0 | 24.2 | 9.5 | 24.9 | 8.8 | 2.8 | 8.0 | | 1.5 | 24.4 | 9.4 | 24.9 | 8.8 | 2.0 | 6.8 | | 2 | 24.6 | 9.3 | 24.9 | 8.8 | 1.2 | 5.7 | | 2.5 | 24.8 | 9.2 | 24.9 | 8.8 | 0.4 | 4.5 | | 3 | 25.0 | 9.1 | 24.9 | 8.8 | 0.4 | 3.4 | | 3.5 | 25.2 | 9.0 | 24.9 | 8.8 | 1.2 | 2.3 | | 4 | 25.4 | 8.9 | 24.9 | 8.8 | 2.0 | 1.1 |
|
|
