Robust Optimum Design of Multiple Tuned Mass Dampers for Vibration Control in Buildings Subjected to Seismic Excitation

Table 1

Mean value and coefficient of variation of each input random variable.

Random variable	Mean value	Coefficient of variation (%)
Mass per story	360 t	5
Stiffness per story	650 MN/m	5
Damping per story	6.2 MNs/m	5
Spring constant for each TMD	Design variable	5
Damping constant for each TMD	Design variable	5
PGA	0.475 g	10
ωg	18 rad/s	10
ξg	0.6	10