Study on Nonlinear Energy Pumping of the Vibration System with Cubic Damping Absorber

Si Mi Tang; Shi Jian Zhu; Jing Jun Lou

doi:10.4028/www.scientific.net/AMM.34-35.1243

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 34-35Study on Nonlinear Energy Pumping of the Vibration...

Study on Nonlinear Energy Pumping of the Vibration System with Cubic Damping Absorber

Abstract:

The nonlinear energy pumping in a two-degree-of-freedom system comprising a damped linear oscillator coupled to cubic damping absorber is studied. It is verified that the nonlinear pumping energy can be performed by cubic damping absorber besides cubic stiffness absorber. The resonance capture is verified by time-frequency analysis (Hilbert Transform). The energy pumping efficiency is put forward for quantitative analysis, and the optimal parameters of system are obtained. The amplitude of main oscillator can be attenuated in a very short duration. The result may be significative for engineering implementation.

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Periodical:

Applied Mechanics and Materials (Volumes 34-35)

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1243-1247

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.34-35.1243

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Online since:

October 2010

Authors:

Si Mi Tang, Shi Jian Zhu, Jing Jun Lou

Keywords:

Cubic Damping, Energy Pumping, Nonlinear Absorber

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