Universal response of optimal granular damping devices

Abstract

Granular damping devices constitute an emerging technology for the attenuation of vibrations based on the dissipative nature of particle collisions. We show that the performance of such devices is independent of the material properties of the particles for working conditions where damping is optimal. Even the suppression of a dissipation mode (collisional or frictional) is unable to alter the response. We explain this phenomenon in terms of the inelastic collapse of granular materials. These findings provide a crucial standpoint for the design of such devices in order to achieve the desired low maintenance feature that makes particle dampers particularly suitable to harsh environments.

10 pages, 5 figures

References in corpus (2)

• Movers and shakers: Granular damping in microgravity
• Effective mass overshoot in single degree of freedom mechanical systems with a particle damper

Cited by in corpus (6)

• Energy Dissipation in Driven Granular Matter in the Absence of Gravity
• Nonlinear dynamic analysis of an optimal particle damper
• Geometry-controlled phase transition in vibrated granular media
• Granular binary mixtures improve energy dissipation efficiency of granular dampers
• Effect of lateral confinement on the apparent mass of particle dampers
• Elasto-frictional reduced model of a cyclically sheared container filled with particles