Influence of initial conditions on granular dynamics near the jamming transitionInfluence of initial conditions on granular dynamics near the jamming transition

C.R.K. Windows-Yule, A.D. Rosato, N. Rivas, D.J. Parker

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)
48 Downloads (Pure)

Abstract

In this paper, we compare the behaviours of two vibrofluidized granular systems, identical in terms of their composition, geometry and driving parameters, differing only in their initial conditions. It is found that, by increasing the strength with which a system is initially excited, considerable differences in system composition and dynamics persist even after the driving is returned to its typical value. The observed changes in particle mobility and packing density are shown to result in marked differences in segregative behaviour for equivalent steady-state systems distinguished only by the history of their driving. The ability to significantly increase the rate of segregation in a granular system simply through the application of a short burst of intense vibration clearly has potential industrial applications.
Original languageEnglish
Article number063016
Number of pages19
JournalNew journal of physics
Volume16
DOIs
Publication statusPublished - 10 Jun 2014

Keywords

  • IR-93829
  • METIS-308444

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