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標題: Vibration Control of Structures with Initially Accelerated Passive Tuned Mass Dampers under Near-Fault Earthquake Excitation
作者: Lin, C.C.
Chen, C.L.
Wang, J.F.
關鍵字: mean-square algorithm;building structures;ground motions;parallel;algorithms;smart structures;hybrid control;optimization;bridges;systems
Project: Computer-Aided Civil and Infrastructure Engineering
期刊/報告no:: Computer-Aided Civil and Infrastructure Engineering, Volume 25, Issue 1, Page(s) 69-75.
This article deals with the applicability of passive tuned mass damper (PTMD) for reducing the dynamic responses of structures under near-fault earthquake excitations. Three types of pulse-like time functions are employed to simulate the near-fault ground motion. The vibration control effectiveness of PTMDs is extensively investigated through the comparisons of response spectrum and response time histories of a structure with and without PTMDs. To suppress structural peak responses, an initial velocity is applied to the PTMD to accelerate its motion. Numerical studies show that the more cycles of a pulse are contained in the ground motion, the more useful a PTMD becomes in reducing the peak structural responses.
ISSN: 1093-9687
DOI: 10.1111/j.1467-8667.2009.00607.x
Appears in Collections:土木工程學系所

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