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  • Cited by 9
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    This article has been cited by the following publications. This list is generated based on data provided by CrossRef.

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  • Journal of Fluid Mechanics, Volume 688
  • December 2011, pp. 551-568

A numerical study of an inline oscillating cylinder in a free stream

  • Justin S. Leontini (a1), David Lo Jacono (a1) (a2) (a3) and Mark C. Thompson (a1)
  • DOI: http://dx.doi.org/10.1017/jfm.2011.403
  • Published online: 03 November 2011
Abstract
Abstract

Simulations of a cylinder undergoing externally controlled sinusoidal oscillations in the free stream direction have been performed. The frequency of oscillation was kept equal to the vortex shedding frequency from a fixed cylinder, while the amplitude of oscillation was varied, and the response of the flow measured. With varying amplitude, a rich series of dynamic responses was recorded. With increasing amplitude, these states included wakes similar to the Kármán vortex street, quasiperiodic oscillations interleaved with regions of synchronized periodicity (periodic on multiple oscillation cycles), a period-doubled state and chaotic oscillations. It is hypothesized that, for low to moderate amplitudes, the wake dynamics are controlled by vortex shedding at a global frequency, modified by the oscillation. This vortex shedding is frequency modulated by the driven oscillation and amplitude modulated by vortex interaction. Data are presented to support this hypothesis.

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Corresponding author
Email address for correspondence: justin.leontini@monash.edu
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This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

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Journal of Fluid Mechanics
  • ISSN: 0022-1120
  • EISSN: 1469-7645
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