Instabilities of dislocations in fluid patterns

A. C. Newell, T. Passot

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Dislocations are important for wave-number adjustment in the almost periodic patterns found in convecting fluids and a wide variety of other physical contexts. Using a model for infinite-Prandtl-number fluids, we show that, far from onset, climbing dislocations can undergo local, finite-amplitude instabilities that lead to the formation of disclinations, bridgelike structures, sudden roll disappearance, and gliding.

Original languageEnglish (US)
Pages (from-to)1846-1849
Number of pages4
JournalPhysical review letters
Volume68
Issue number12
DOIs
StatePublished - Jan 1 1992

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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