Bistable Nonlinear Energy Sink Using Magnets and Linear Springs: Application to Structural Seismic Control

Table 3

Input seismic records for performance assessment.

No.	Earthquake	Station	Predominant frequency (Hz)	PGA (g)
1	San Fernando, 1971, USA	Lake Hughes #1	1.50	0.1
2				0.2
3				0.3
4				0.4
5	Imperial Valley, 1979, USA	Cerro Prieto	1.62	0.1
6				0.2
7				0.3
8				0.4
9	Whittier Narrows, 1987, USA	Carson-Water St	1.29	0.1
10				0.2
11				0.3
12				0.4
13	Loma Prieta, 1989, USA	Treasure Island	1.56	0.1
14				0.2
15				0.3
16				0.4
17	Northridge, 1994, USA	Hemet-Ryan Airfield	1.56	0.1
18				0.2
19				0.3
20				0.4
21	Kobe, 1995, Japan	HIK	1.71	0.1
22				0.2
23				0.3
24				0.4
25	Chi-Chi, 1999, China	CHY008	0.38	0.1
26				0.2
27				0.3
28				0.4