Parameter Optimization of a Vertical Spring-Viscous Damper-Coulomb Friction System

Table 2

Damage states of structural system.

Index	Units	DS1	DS2	DS3	DS4
Acceleration		0.25	0.50	0.75	1.00
Relative displacement	m	0.20	0.40	0.80	1.60
Residual displacement	m	0.02	0.04	0.08	0.16