Journal
JOURNAL OF SOUND AND VIBRATION
Volume 330, Issue 9, Pages 1904-1916Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2010.10.040
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Funding
- Vietnam National Foundation for Science and Technology Development
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In this paper, the vibration reduction of a pendulum structure with dynamic vibration absorber (OVA) using Coriolis force is investigated. When the pendulum structure is subjected to a single harmonic excitation, the effective damping of Coriolis force is used with the second-order approximations to obtain the closed forms of optimal parameters of the OVA. The closed forms obtained show that the natural frequency of the absorber should be tuned to twice that of the pendulum. The closed forms of optimal parameters are verified by numerical optimization. The modified forms of optimal parameters are proposed to be used in case of general excitation. Base on this modified form, the design procedure is demonstrated by the numerical calculation of the free vibration and wind-induced vibration of a ropeway gondola. (C) 2010 Elsevier Ltd. All rights reserved.
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