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

Figure 19

The reduction ratio of displacement produced by bi-directional ground motion. (a) Displacement in fore-aft direction. (b) Displacement in side-side direction. (c) Displacement standard deviation in fore-aft direction. (d) Displacement standard deviation in side-side direction.

(a)

(b)

(c)

(d)