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Multi-tuned mass damper inerter (MTMDI) system for earthquake-induced vibration control of buildings

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Salah Djerouni
  • Said Elias
  • Mahdi Abdeddaim
  • Rajesh Rupakhety

Research Organisations

External Research Organisations

  • Universite Mohamed Khider, Biskra
  • University of Iceland

Details

Original languageEnglish
Article number119139
Number of pages19
JournalEngineering structures
Volume322
Early online date22 Oct 2024
Publication statusPublished - 1 Jan 2025

Abstract

This paper introduces a new design concept, the multi-tuned mass damper inerter (MTMDI), and conducts a comparative study to evaluate its vibration control performance against the traditional single-tuned mass damper inerter (TMDI). The MTMDI and TMDI are designed with same total mass ratios (μ) and inertance ratios (β). Using particle swarm optimization algorithm (PSO), various parameters including the location of MTMDIs, the required number of TMDIs, mass ratios (μ), inertance ratios (β), frequency, and damping ratios (υ, ξ) are optimized. The primary objective is to minimize the H_∞ -norm of the roof displacement and acceleration transfer function using a multi-objective function for robust control. Both the MTMDI and TMDI are fine-tuned to resonate at the dominant frequency. The vibration control efficiency is assessed across single-degree-of-freedom structural systems (SDOF) and multi-degree-of-freedom structural systems (MDOFs), subjected to real earthquake records comprising 462 near-field and far-fault earthquakes, including 69 recorded ground motions with dominant velocity pulses. Comparisons between MTMDI and traditional TMDI systems are made in terms of frequency and time responses. The findings demonstrate that the MTMDI system exhibits superior performance, achieving at maximum an additional 30 % reduction in response compared to the traditional TMDI. The study concludes by recommending the adoption of MTMDI alongside simple, fast, and robust optimization algorithms to address engineering optimization challenges.

Keywords

    Far-fault, Ground motion, H-norm, Inertance, Multi-tuned mass damper inerter, Near-fault, Particle swarm optimization, Pulse-type, Structural control

ASJC Scopus subject areas

Cite this

Multi-tuned mass damper inerter (MTMDI) system for earthquake-induced vibration control of buildings. / Djerouni, Salah; Elias, Said; Abdeddaim, Mahdi et al.
In: Engineering structures, Vol. 322, 119139, 01.01.2025.

Research output: Contribution to journalArticleResearchpeer review

Djerouni S, Elias S, Abdeddaim M, Rupakhety R. Multi-tuned mass damper inerter (MTMDI) system for earthquake-induced vibration control of buildings. Engineering structures. 2025 Jan 1;322:119139. Epub 2024 Oct 22. doi: 10.1016/j.engstruct.2024.119139
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