Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21804
Title: Magneto-rheological tuned liquid column dampers (MR-TLCDs) for vibration mitigation of tall buildings : modelling and analysis of open-loop control
Authors: Wang, JY
Ni, YQ 
Ko, JM 
Spencer, JBF
Keywords: High-rise building
Magneto-rheological tuned liquid column damper (MR-TLCD)
Random vibration
Smart fluid
Vibration mitigation
Wind excitation
Issue Date: 2005
Publisher: Pergamon Press
Source: Computers & structures, 2005, v. 83, no. 25-26, p. 2023-2034 How to cite?
Journal: Computers & structures 
Abstract: A novel semi-active tuned liquid column damper using magneto-rheological fluid (MR-TLCD) is devised for wind-induced vibration mitigation of tall building structures. It combines the benefits of magneto-rheological smart materials and tuned liquid column dampers. A mathematical model of the devised MR-TLCD is first established using the parallel-plate theory, and then a method for analyzing stochastic dynamic response of building structures incorporating semi-active MR-TLCDs subjected to random wind excitation is developed by means of the equivalent linearization technique. The open-loop control effectiveness of MR-TLCDs in mitigating wind-induced structural response is studied by referring to a 50-storey high-rise residential building equipped with MR-TLCDs. The analysis results show that MR-TLCDs with optimal parameters are capable of achieving much better vibration mitigation capability than conventional TLCD system.
URI: http://hdl.handle.net/10397/21804
ISSN: 0045-7949
DOI: 10.1016/j.compstruc.2005.03.011
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