Research Article

A Tuned Mass Damper with Nonlinear Magnetic Force for Vibration Suppression with Wide Frequency Range of Offshore Platform under Earthquake Loads

Figure 12

Displacement responses of the platform subjected to the three earthquake-induced seismic waves by experiment. Displacement time series under the (a) El-Centro NS seismic wave, (b) Taft EW seismic wave, and (c) Fukushima NS seismic wave.
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(b)
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