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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.
|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.||摘要:||
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.
|Appears in Collections:||土木工程學系所|
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