Research of a Dynamic Vibration Absorber with Tunable Resonant Frequency and its Vibration Attenuation Characteristics

Qiang Ma; Jie Jian Di; Xiao Wu Du; Quan Liang Zhao

doi:10.4028/www.scientific.net/AMM.511-512.601

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 511-512Research of a Dynamic Vibration Absorber with...

Research of a Dynamic Vibration Absorber with Tunable Resonant Frequency and its Vibration Attenuation Characteristics

Abstract:

In order to improve working frequency band and damping effect of a dynamic vibration absorber, a new kind of dynamic vibration absorber is presented. Its resonant frequency could be real-time adjusted by adapting the stiffness of the spring. The vibration attenuation characteristics are analyzed theoretically and numerically. According to simulation analysis, effects of geometrical parameters are researched and optimum geometric parameters are determined. The damping effect was simulated in a flat structure, the results show that the working frequency band and damping effect of the DVA are both remarkable.

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Periodical:

Applied Mechanics and Materials (Volumes 511-512)

Pages:

601-605

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.511-512.601

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Online since:

February 2014

Authors:

Qiang Ma, Jie Jian Di, Xiao Wu Du, Quan Liang Zhao

Keywords:

Adaptive Tuned Vibration Absorbing Technology, Dynamic Vibration Absorber, Structural Vibration

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