Research Article

Flutter Boundary Prediction Based on Structural Frequency Response Functions Acquired from Ground Test

Table 2

Comparison of GFBP results and theoretical results for the three state.

StateMaFlutter speed (m/s)Flutter frequency (Hz)
GFBPTheoreticalGFBPTheoretical

Normal state0.2250.5251.630.5430.98
0.4250.4251.430.0030.11
0.6250.0251.228.7228.45
1.5344.3347.929.2229.01
Leading state0.2282.7279.727.3927.23
Trailing state0.2227.6225.530.3430.10