Seismic Response and Vibration Reduction Analysis of Suspended Structure under Wave Passage Excitation

Table 5

Displacement of the main structures’ top.

Seismic input	Structure	Uniform excitation	800 m/s		500 m/s		300 m/s
El Centro	Common	4.317	4.753	10.10%	4.418	2.34%	4.212	−2.43%
	Damping	4.281	4.341	1.40%	4.129	−3.55%	3.916	−8.53%
	k	0.83%	8.67%	—	6.54%	—	7.03%	—
Taft	Common	4.947	4.912	−0.71%	5.477	10.71%	4.589	−7.24%
	Damping	4.434	4.608	3.92%	4.615	4.08%	4.026	−9.20%
	k	10.37%	6.19%	—	15.74%	—	12.27%	—
Artificial wave	Common	3.346	3.396	1.49%	2.525	−24.54%	2.949	−11.86%
	Damping	2.973	3.162	6.36%	2.437	−18.03%	2.658	−10.60%
	k	11.15%	6.89%	—	3.49%	—	9.87%	—

Note: in addition to the % data added in the above table, the remaining data units are all mm. When is positive, the response increases, and when it is negative, the response decreases.