Coupling ATMD System for Seismic Response Control of Two Adjacent Buildings

Table 3

GA parameters and searching ranges.

Design variables	Searching ranges	Bit sizes
Installation floor
	3∼10	3
Stiffness
	5,000∼2.56 × 10^7 N/m	40
	5,000∼2.56 × 10^7 N/m	40
Damping coefficient
	500∼2.33 × 10^6 N·s/m	40
	500∼2.33 × 10^6 N·s/m	40
Parameters of weighting,
	1∼10	16
	1∼10	16
	−16∼−1	4
GA parameters	Values
Population	50
Two-point crossover probability	0.85
Mutation probability	0.2
Stopping criteria
Nsame	3,000
Nmax	100,000