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Effect of a dynamic absorber on friction-induced vibration of a rectangular plate

Hiroki Mori/Oleksandr Mikhyeyev/Takuo Nagamine/Mizue Mori/Yuichi Sato
The Journal of Mechanical Science and Technology, vol. 24, no. 1, pp.93-96, 2010

Abstract : When a plate-like object is rubbed by rubber, friction-induced vibration is generated. To reduce the friction-induced vibration, we experimentally investigate the characteristics of the vibration of a rectangular glass plate. The results show that the frequency of the frictioninduced vibration is almost the same as the natural frequency of a glass plate. The vibration is generated when the natural frequency of a rubbing system is close to that of a glass plate. We then examine the effect of a dynamic absorber mounted on the glass plate. The results demonstrate that the damping of a dynamic absorber is effective for suppressing the friction-induced vibration. Numerical simulation is also performed using a simplified analytical model. The calculated results agree qualitatively with the experimental ones.

Keyword : Self-excited vibration; Friction; Dynamic absorber; Sound pressure; Bouncing

 
 
 
 
 
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