Optimization of damped outrigger systems subject to stochastic excitation

• Published in: Engineering structures Vol. 191; pp. 280 - 291
• Main Authors: Fang, Chuangjie, Spencer, Billie F., Xu, Jiaqi, Tan, Ping, Zhou, Fulin
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 15.07.2019; Elsevier BV
• Subjects: Columns (structural); Damped outriggers; Dampers; Damping; Drift; Equations of motion; Genetic algorithm; Genetic algorithms; High rise buildings; High-rise building; Objective function; Optimization; Random analysis; Seismic engineering; Seismic response; State space models; Systems design; Timoshenko beams; Urbanization; White noise; World population; Damped outriggers; Genetic algorithm; Random analysis; Optimization; High-rise building

•Stochastic optimization procedure is proposed for structure design.•The proposed optimization procedure is applied to damped outrigger system.•Pareto optimal front is used to examine the tradeoffs between conflicting objectives.•Harmful interstory drift and Timoshenko beam model are used to better...