Pattern formation - Instabilities in sand ripples

Research output: Contribution to journalJournal article – Annual report year: 2001Researchpeer-review

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Sand ripples are seen below shallow wavy water and are formed whenever water oscillates over a bed of sand. Here we analyse the instabilities that can upset this perfect patterning when the ripples are subjected to large changes in driving amplitude or frequency, causing them to deform both parallel and transverse to their crests. Our results reveal new pattern-forming instabilities in granular matter exposed to fluid flow with strong vorticity.
Original languageEnglish
JournalNature
Volume410
Issue number6826
Pages (from-to)324-324
ISSN0028-0836
DOIs
Publication statusPublished - 2001
CitationsWeb of Science® Times Cited: No match on DOI
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