Transition to parametric wave patterns in a vertically oscillated granular layer

Francisco Melo*, Paul Umbanhowar, Harry L. Swinney

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

309 Scopus citations

Abstract

Experiments on vertically oscillated granular layers reveal, at a critical acceleration, a well-defined transition from a flat surface to standing wave patterns oscillating at half the excitation frequency. The patterns observed in a cylindrical container are squares or stripes; a continuous transition between these states occurs when the vibration frequency is varied at constant acceleration. The dispersion relation for these parametric granular waves is similar to that for gravity waves in a fluid, but exhibits a well-defined cutoff associated with the particle size.

Original languageEnglish (US)
Pages (from-to)172-175
Number of pages4
JournalPhysical review letters
Volume72
Issue number1
DOIs
StatePublished - 1994

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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