Paper Title:
New Strategy Suppressing Vibration for Euler Beam by Using Impact Damping of Inlaid Steel Ball
  Abstract

A new passive vibration control strategy has been put forward and applied to a cantilever beam in this paper. For the beam under principal resonant harmonic excitations, a steel ball was inlaid in its interior closed cavity without any restricts, constructing an impact system. For the system, a spring-damping impact model was employed to simulate impacts between the beam and the steel ball, and dynamic governing equations ware derived. Numerical simulations show that the amplitude of the beam vibration response is significantly reduced by the impact damping of the steel ball, and moreover, the vibration response isn’t periodic but quasi-periodic due to impacts. The self-adaptive characteristic of the steel ball is fully demonstrated by assuming that the ball impacts the beam on a virtual location instead of the actual location observed in experiments. In general, all numerical results agree with those of experiments.

  Info
Periodical
Advanced Materials Research (Volumes 156-157)
Edited by
Jingtao Han, Zhengyi Jiang and Sihai Jiao
Pages
1122-1128
DOI
10.4028/www.scientific.net/AMR.156-157.1122
Citation
J. W. Wang, H. Xu, "New Strategy Suppressing Vibration for Euler Beam by Using Impact Damping of Inlaid Steel Ball", Advanced Materials Research, Vols. 156-157, pp. 1122-1128, 2011
Online since
October 2010
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Price
$32.00
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