Impact damping with granular materials in a horizontally vibrating system

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149 Citations (Scopus)

Abstract

The damping efficiency of an impact damper with granular materials in a horizontally vibrating system is investigated by means of the discrete element method. This method makes it possible to consider effects of granularity such as the particle size, number of particles and friction between two particles. The validity of this numerical method is examined by a comparison of the experimental results. It is shown that the mass ratio, particle size and cavity dimensions influence the damping performance. It is also shown that the cavity dimensions and the particle radius affect the behavior of the granular materials.

Original languageEnglish
Pages (from-to)153-161
Number of pages9
JournalJournal of Sound and Vibration
Volume251
Issue number1
DOIs
Publication statusPublished - 2002 Mar 21
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Acoustics and Ultrasonics
  • Mechanical Engineering

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