Vibration Analysis and Models of Adjacent Structures Controlled by Magnetorheological Dampers

Table 2

Structure A identified seismic eigenvectors, white noise test at 0.1 g; Kobe test PGA 0.3 g.

Mode	1	2	3	4	1	2	3	4
Location	x-direction				y-direction
	Test white noise PGA 0.10 g
a1	−0.33	−0.34	−0.21	−0.05	−0.15	−0.10	0.006	0.016
a2	−0.80	−0.39	0.08	0.09	−0.38	−0.12	−0.002	−0.023
a3	−1.00	0.01	0.17	−0.08	−0.48	0.00	−0.004	0.020
a4	−1.18	0.38	−0.14	0.03	−0.57	0.11	0.003	−0.009
a5	−1.27	0.34	−0.14	0.04	−0.61	0.10	0.004	−0.010
a6	0.02	−0.08	−0.01	0.00	0.01	−0.02	0.000	−0.001
	Test Kobe PGA 0.30 g
a1	−0.35	−0.29	−0.20	−0.02	−0.07	−0.30	−0.14	−0.01
a2	−0.86	−0.36	0.08	0.03	−0.16	−0.37	0.06	0.02
a3	−1.06	0.02	0.15	−0.04	−0.20	0.06	0.10	0.00
a4	−1.24	0.36	−0.14	0.01	−0.23	0.40	−0.09	0.04
a5	−1.34	0.30	−0.13	0.02	−0.25	0.29	−0.09	0.01
a6	0.02	−0.10	−0.01	0.01	0.00	−0.16	−0.01	0.00