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- W4360946181 abstract "The design of footbridges has begun to receive more attention in recent years due to cases in which undesirable vibrations occurred. The utilization of passive energy dissipation systems to control bridge responses has become popular as a remedy for this matter. This paper proposes the use of inerters to mitigate pedestrian bridge vibrations, and explores their potential. This is done by presenting a topology and sizing optimization methodology for pedestrian bridges equipped with fluid viscous dampers and inerters. Planar truss-like bridges are examined, loaded under dynamic and static loads. All constructive elements’ sizes (including dampers) serve as continuous design variables. The objective is to minimize a cost function of the bridge. The optimization process is constrained by demanding responses of interest not to exceed allowable values, along with global and local buckling. A first-order gradient-based optimization algorithm is adopted to lessen the computational effort. Lastly, a discretization postprocess is offered to lead to discrete designs of relevant design variables, such as steel cross sections. The results shed light on the advantages of combining inerters in pedestrian bridges." @default.
- W4360946181 created "2023-03-26" @default.
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- W4360946181 date "2023-06-01" @default.
- W4360946181 modified "2023-09-23" @default.
- W4360946181 title "Topology and Sizing Optimization of Truss-Like Pedestrian Bridges with Viscous Dampers and Inerters" @default.
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- W4360946181 doi "https://doi.org/10.1061/jsendh.steng-11798" @default.
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