Volume 13, Issue 2 (4-2023)                   2023, 13(2): 237-255 | Back to browse issues page

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Ramezani M, Mohammadizadeh M R, Shojaee S. Vibration Control of Structures by Optimization of Peripheral Mass Dampers. International Journal of Optimization in Civil Engineering 2023; 13 (2) :237-255
URL: http://ijoce.iust.ac.ir/article-1-552-en.html
Abstract:   (2244 Views)
In recent years, there has been a lot of interest in the development and deployment of control methods that use different components of the building to mitigate the seismic response of the structure. Meanwhile, the building facade, as a non-structural component, can be a suitable alternative in affecting the structure's behavior because of its role as an envelope of the building with a significant weight. Among the modular cladding systems, the Double Skin Facade (DSF) can be considered a passive system due to the distance of the exterior layer from the main structure and sufficient continuity and rigidity.  In this study, DSF systems are used as Peripheral Mass Dampers (PMDs) that control structural movements by dissipating energy during strong motions. The PMD system provides a building with several inherent dampers without the need for extra mass. To show the reliability and efficiency of the proposed approach, the PMD model is investigated and compared with results available in uncontrolled and Tuned Mass Damper (TMD) models. The PMD model is examined in three structural frames with 10, 20, and 30 stories with the extreme Mass Ratios (MRs) of 5% to 20%. The Particle Swarm Optimization (PSO) is performed on damper parameters of PMD and TMD systems to minimize structural responses. The results demonstrate that an optimal PMD system with multiple inherent mass dampers outperforms a single TMD system.
 
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Type of Study: Research | Subject: Optimal design
Received: 2023/01/20 | Accepted: 2023/04/21 | Published: 2023/04/21

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