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Design of Series Multiple Tuned Mass Dampers for Response Control of Asymmetric Buildings

[+] Author Affiliations
Jer-Fu Wang, Jie-Chun Li

National United University, Mialoi, Taiwan

Chi-Chang Lin

National Chung Hsing University, Taichung City, Taiwan

Paper No. PVP2017-65894, pp. V008T08A016; 9 pages
doi:10.1115/PVP2017-65894
From:
  • ASME 2017 Pressure Vessels and Piping Conference
  • Volume 8: Seismic Engineering
  • Waikoloa, Hawaii, USA, July 16–20, 2017
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5803-5
  • Copyright © 2017 by ASME

abstract

Series multiple tuned mass dampers (SMTMD), comprising of serially interconnected multi-degree-of-freedom TMDs, for response control of torsionally coupled (TC) buildings were studied. A design theory was developed for the optimization of the SMTMD parameters. Considering the features of floor response of TC buildings, the performance of SMTMD was measured by indices that were established with more than one significant vibration modes of the primary structures. The total mass of SMTMD was assumed to be linearly distributed to each TMD unit with a mass-distribution factor. Both uniform and variant TMD damping and stiffness coefficients were considered. The characteristic and corresponding performance of optimal SMTMD under various parametric conditions were investigated and compared with those of the single TMD. The optimal location of SMTMD on the floor was also investigated. It concludes that an SMTMD is capable of reducing the TC response of multiple modes, while more than one TMD are needed to achieve the similar control effectiveness.

Copyright © 2017 by ASME
Topics: Structures , Dampers , Design

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