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http://dx.doi.org/10.9712/KASS.2014.14.4.097

Optimal Design of Outrigger Damper using Multi-objective Genetic Algorithm  

Kim, Hyun-Su (Division of Architecture, Sunmoon University)
Yoon, Sung-Wook (School of Architecture, Yeungnam University)
Kang, Joo-Won (School of Architecture, Yeungnam University)
Publication Information
Journal of Korean Association for Spatial Structures / v.14, no.4, 2014 , pp. 97-104 More about this Journal
Abstract
Recently, a concept of damped outrigger system has been proposed for tall buildings. Structural characteristics and design method of this system were not sufficiently investigated to date. In this study, control performance of damped outrigger system for building structures subjected to seismic excitations has been investigated. And optimal design method of damped outrigger system has been proposed using multi-objective genetic algorithm. To this end, a simplified numerical model of damped outrigger system has been developed. State-space equation formulation proposed in previous research was used to make a numerical model. Multi-objective genetic algorithms has been employed for optimal design of the stiffness and damping parameters of the outrigger damper. Based on numerical analyses, it has been shown that the damped outrigger system control dynamic responses of the tall buildings subjected to earthquake excitations in comparison with a traditional outrigger system.
Keywords
Outrigger damper system; Seismic response control; Multi-objective genetic algorithms; Optimal design;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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