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Faraday wave patterns on a triangular cell network

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present experimental observations of the Faraday instability when an air/water interface is split over a network of small triangular cells for exciting frequencies in the range 10 ≤ f ≤ 30 Hz. Just above the threshold for instability, waves appear on the water surfaces within all individual cells. After a transient state, adjacent cells progressively synchronize and self-organize to produce a regular pattern covering the whole grid. Collective cell behaviour is seen to lead to four different patterns depending on the forcing frequency range. Beyond ≈28 Hz, adjacent cells no longer interact as the vibration wavelength becomes smaller than half the altitudes of the triangular cells and so the waves remain constrained within individual cells in the form of localized harmonic oscillons.

Original languageEnglish
Title of host publicationComputational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment, FLUIDOS 2012
EditorsLeonardo Di G. Sigalotti, Eloy Sira, Jaime Klapp
PublisherSpringer
Pages357-365
Number of pages9
ISBN (Print)9783319001906
DOIs
StatePublished - 2014
Externally publishedYes
Event1st Workshop of the Venezuelan Society of Fluid Mechanics , FLUIDOS 2012 - Margarita Island, Venezuela, Bolivarian Republic of
Duration: Nov 5 2012Nov 9 2012

Publication series

NameEnvironmental Science and Engineering
ISSN (Print)1863-5520
ISSN (Electronic)1863-5539

Conference

Conference1st Workshop of the Venezuelan Society of Fluid Mechanics , FLUIDOS 2012
Country/TerritoryVenezuela, Bolivarian Republic of
City Margarita Island
Period11/5/1211/9/12

Bibliographical note

Publisher Copyright:
© Springer International Publishing Switzerland 2014.

ASJC Scopus Subject Areas

  • Environmental Engineering
  • Information Systems

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