| Issue |
Europhys. Lett.
Volume 71, Number 3, August 2005
|
|
|---|---|---|
| Page(s) | 400 - 406 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2004-10543-4 | |
| Published online | 06 July 2005 | |
Impact of drops on a water-covered sand bed: Erosion, entrainement and pattern formation
Centre de Physique Moléculaire Optique et Hetrzienne, UMR 5798 351 cours de la Libération, 33405 Talence, France
Received:
15
September
2004
Accepted:
31
May
2005
The impact of small drops on a water-covered sand bed provides a simple physical system to study erosion, sand entrainement and pattern formation. The patterns evidenced here start out nicely circular but this circular symmetry gets lost once the dropping frequency increases above threshold. Three-dimensional structures then form and grow logarithmically in time.
PACS: 45.70.-n – Granular systems / 47.54.+r – Pattern selection; pattern formation / 47.55.Kf – Multiphase and particle-laden flows
© EDP Sciences, 2005
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