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Earthquakes and Structures Volume 23, Number 5, November 2022 , pages 419-430 DOI: https://doi.org/10.12989/eas.2022.23.5.419 |
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Optimal distribution of metallic energy dissipation devices in multi-story buildings via local search heuristics |
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Zongjing Li, Ganping Shu, Zhen Huang and Jing Cao
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| Abstract | ||
| The metallic energy dissipation device (EDD) has been widely accepted as a useful tool for passive control of buildings against earthquakes. The distribution of metallic EDDs in a multi-story building may have significant influence on its seismic performance, which can be greatly enhanced if the distribution scheme is properly designed. This paper addresses the optimal distribution problem in the aim of achieving a desired level of performance using the minimum number of metallic EDDs. Five local search heuristic algorithms are proposed to solve the problem. Four base structures are presented as numerical examples to verify the proposed algorithms. It is indicated that the performance of different algorithms may vary when applied in different situations. Based on the results of the numerical verification, the recommended guidelines are finally proposed for choosing the appropriate algorithm in different occasions. | ||
| Key Words | ||
| energy dissipation; local search heuristics; multi-story building; optimal distribution; seismic performance | ||
| Address | ||
| Zongjing Li and Jing Cao: College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China Ganping Shu and Zhen Huang: School of Civil Engineering, Southeast University, Nanjing 211189, China | ||