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Physical distinction between rolling-grain ripples and vortex ripples: an experimental study.

Germain Rousseaux1

  • 1Université de Nice-Sophia Antipolis, Institut Non-Linéaire de Nice, UMR 6618 CNRS-UNICE, 1361, route des Lucioles, 06560 Valbonne, France. Germain.Rousseaux@inln.cnrs.fr

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|February 7, 2007
PubMed
Summary

Rolling-grain ripples are temporary patterns near the grain motion threshold. Vortex ripples are stable, final patterns observed further from this threshold, explaining prior research discrepancies.

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