Response of Impact Dampers with Granular Materials in a Vertically Vibrating System

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Abstract

The damping effect of an impact damper with granular materials in a vertically vibrating system is studied both experimentally and analytically. The motion of the damper is solved by Discrete Element Method (DEM), which is often used in the investigation of soil mechanics and powder technology. Mechanical elements like springs, dashpots and frictional sliders are used to express the contact force. It is shown that the performance depends on the particle radius and the damper geometry as well as various physical parameters. The validity of the numerical method is examined by comparison with experimental results.

Original languageEnglish
Pages (from-to)1438-1443
Number of pages6
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume67
Issue number657
DOIs
Publication statusPublished - 2001 Jan 1

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Keywords

  • Damper
  • Discrete Element Method (DEM)
  • Frictional Vibration
  • Granular Materials
  • Nonlinear Vibration
  • Numerical Analysis
  • Vibration Control

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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