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Using delayed damping to minimize transmitted vibrations
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DOI:10.1016/j.cnsns.2011.08.034.png)
Abstract
En 中文
In Mokni et al. [Mokni L, Belhaq M, Lakrad F. Effect of fast parametric viscous damping excitation on vibration isolation in sdof systems. Commun Nonlinear Sci Numer Simulat 2011;16:1720-1724], it was shown that in a single degree of freedom system a fast nonlinear parametric damping enhances vibration isolation with respect to the case where the nonlinear damping is time-independent. The present work proposes additional enhancement of vibration isolation using delayed nonlinear damping. Attention is focused on assessing the contribution of a delayed nonlinear damping over a fast parametric damping in terms of minimizing transmissibility. The results show that a nonlinear damping with delay greatly improves vibration isolation. (C) 2011 Elsevier B.V. All rights reserved.
Keywords:
Parametric damping
Delayed damping
Vibration isolation
Fast excitation
Perturbation analysis
Journal
IF:
3.8
Papers:
9.0K
Citations:
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