A Bufferable Tuned-Mass Damper of an Offshore Platform against Stroke and Response Delay Problems under Earthquake Loads

Figure 11

Power spectral density of the displacement of the platform with and without bufferable TMD, under the Fukujima NS seismic waves (a) and the Taft EW seismic waves (b).

(a) Power spectral density of displacement for the Fukujima NS seismic waves

(b) Power spectral density of acceleration for the Fukujima NS seismic waves