Analysis of Span-Directional Coherence Function and Buffeting Response of a Long-Span Natural Gas Pipeline Suspension Bridge under a Turbulent Wind Field

Figure 6

Coherence function of working condition 1 (wind speed 7 m/s, wing grid vibration frequency 1.0 Hz, and wind angle of attack −3°).

(a) Drag coherence function

(b) Lift coherence function

(c) Moment coherence function