Authors
MR Duncan, CR Wassgren, CM Krousgrill
Publication date
2005/8/23
Journal
Journal of sound and vibration
Volume
286
Issue
1-2
Pages
123-144
Publisher
Academic Press
Description
This paper presents results from computer simulations used to investigate the damping performance of a single particle vertical impact damper over a wide range of excitation frequencies and amplitudes, particle-to-structure mass ratios, lid clearance ratios, structural damping ratios, and coefficients of restitution. Measurements of the damping performance, particle flight times, and structure contact times are presented. Performance at both the structure's undamped natural frequency and off-resonant conditions are studied in depth. Maximum damping at a fixed oscillation frequency occurs at an optimal lid height that increases with increasing mass ratio, increasing structural damping ratio, but decreases with coefficient of restitution. The corresponding maximum degree of damping increases with increasing mass ratio and coefficient of restitution, but decreases with increasing structural damping ratio. Field plots of the …
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Scholar articles
MR Duncan, CR Wassgren, CM Krousgrill - Journal of sound and vibration, 2005