Abstract

Abstract Vibration control capability of a combined tuned absorber and impact damper, under a random excitation, is investigated numerically and experimentally. The effectiveness of the optimal combined absorber and its sensitivity to variations of the clearance, restitution coefficient and the mass ratio between the impact damper and tuned absorber are analyzed. The performance of the combined absorber is compared to the corresponding optimal conventional tuned absorber with viscous damping, with special emphasis on sensitivity to tuning and damping of the tuned absorber.

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