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)TestSpeed change (m/s)Freq. change (Hz)
Assumed struc. damping (%)Flutter speed (m/s)Flutter freq. (Hz)Flutter speed (m/s)Flutter freq. (Hz)

022.510.424.98.89.618.2
0.522.610.324.98.89.217.0
1.022.810.224.98.88.415.9
1.523.010.224.98.87.615.9
223.210.124.98.86.814.7
2.523.310.024.98.86.413.6
323.59.924.98.85.612.5
3.523.79.824.98.84.811.4
423.99.724.98.84.010.2