The onset of chaos in the wake of an oscillating cylinder: Experiment and the dynamics of the circle map

D. J. Olinger, A. B. Chhabra, K. R. Sreenivasan

Research output: Contribution to journalArticle

Abstract

This paper deals with a comparison between experimental observations in low-Reynolds-number wake behind an oscillating cylinder and the universal properties of sine circle map. When the limit cycle due to the natural vortex shedding in the wake is modulated at a second frequency by oscillating the cylinder transversely, one obtain in phase space a flow on a two torus. The nonlinear interaction between the two oscillators in Arnol's tongues due to phase locking, the devil's staircase along the critical line, and a transition from order to chaos via the quasiperiodic route. The sine circle map describes these features adequately. A comparison between the experiment and the theory is made in terms of multifractal formalism and trajectory scaling function.

Original languageEnglish (US)
Pages (from-to)693-703
Number of pages11
JournalPramana - Journal of Physics
Volume48
Issue number2
StatePublished - Feb 1997

Fingerprint

oscillating cylinders
wakes
chaos
tongue
vortex shedding
stairways
low Reynolds number
locking
routes
oscillators
trajectories
formalism
scaling
cycles
interactions

Keywords

  • Chaos
  • Circle maps
  • Universality
  • Wakes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

The onset of chaos in the wake of an oscillating cylinder : Experiment and the dynamics of the circle map. / Olinger, D. J.; Chhabra, A. B.; Sreenivasan, K. R.

In: Pramana - Journal of Physics, Vol. 48, No. 2, 02.1997, p. 693-703.

Research output: Contribution to journalArticle

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