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ARTICLE
Metaheuristic-Based Optimum Design Methods for Multiple Tuned Mass Dampers under Seismic Excitations
Gebrail Bekdaş*, Sinan Melih Nigdeli, Omer Elselumi
Department of Civil Engineering, Istanbul University—Cerrahpaşa, Istanbul, Türkiye
* Corresponding Author: Gebrail Bekdaş. Email: 
Structural Durability & Health Monitoring https://doi.org/10.32604/sdhm.2026.078870
Received 09 January 2026; Accepted 24 March 2026; Published online 07 April 2026
Abstract
This study presents a comparison study between a Tuned Mass Damper (TMD) and Multiple Tuned Mass Dampers (MTMD). The main novelty of this study lies in the unified optimization-based comparison of optimized and fixed-mass MTMD configurations, highlighting the trade-off between seismic performance and practical applicability compared to a single large TMD installed at the top of the building. The Jaya algorithm is used to determine the optimum solution of mass damper parameters. Three cases are examined. The first case is the building with the TMD system. The second case is the building with the MTMD system. Tuned mass dampers are connected to each floor; the masses of these dampers are optimized using the Jaya algorithm. In the third case, the building is fitted with an MTMD system whose damper mass is fixed at 50,000 kg rather than optimized. Comparisons are made between the cases in terms of vibration energy distribution and floor displacement reduction ratio. The results show that all systems are effective in reducing energy vibration and floor displacements. The optimized MTMD system provides superior performance compared to the TMD system, while the fixed-mass MTMD system exhibits lower control efficiency but offers a more practical alternative to a single large TMD installed at the top of the building.
Keywords
Tuned mass damper; multiple-tuned mass damper; floor displacement; vibration energy; Jaya algorithm optimization
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