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Erschienen in: Engineering with Computers 2/2021

12.11.2019 | Original Article

Multi-objective design optimization of steel moment frames considering seismic collapse safety

verfasst von: Saeed Gholizadeh, Fayegh Fattahi

Erschienen in: Engineering with Computers | Ausgabe 2/2021

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Abstract

This study focuses on multi-objective performance-based seismic optimization of steel moment frames by an efficient algorithm. In the present study, an efficient framework is developed to find a Pareto front for multi-objective optimization problem of steel moment frames involving global damage index and initial cost as two conflicting objective functions. To this end, a new multi-objective algorithm is introduced and its efficiency is demonstrated trough a set of benchmark multi-objective truss design examples. Subsequently, a 6- and a 12-story steel moment frame are designed by the proposed algorithm. To evaluate the seismic performance and collapse capacity of the optimal designs, damage indices and incremental dynamic analysis are used and their seismic damage costs and adjusted collapse margin ratios are evaluated.

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Metadaten
Titel
Multi-objective design optimization of steel moment frames considering seismic collapse safety
verfasst von
Saeed Gholizadeh
Fayegh Fattahi
Publikationsdatum
12.11.2019
Verlag
Springer London
Erschienen in
Engineering with Computers / Ausgabe 2/2021
Print ISSN: 0177-0667
Elektronische ISSN: 1435-5663
DOI
https://doi.org/10.1007/s00366-019-00886-y

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