Seismic Vibration Mitigation of Wind Turbine Tower Using Bi-Directional Tuned Mass Dampers

Figure 22

The reduction ratio of structural responses induced by bi-directional earthquakes. (a) Fore-aft direction displacement. (b) Side-side direction displacement. (c) Fore-aft direction acceleration. (d) Side-side direction acceleration. (e) Fore-aft direction moment. (f) Side-side direction moment.

(a)

(b)

(c)

(d)

(e)

(f)