Affiliation:
1. California Institute of Technology, Pasadena, CA 91125
Abstract
A bed of granular material which is subjected to vertical vibration will exhibit at least one sudden expansion at a critical acceleration amplitude. This sudden expansion corresponds to a bifurcation similar to that exhibited by a single ball bouncing on a vibrating plate. Theoretical analysis based on this model yields results which are in accord with the experimental observations. Other bifurcations may occur at higher vibration levels.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
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