Control of Kirchhoff vortices by a resonant strain

L. Friedland*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

It is shown that placing a Kirchhoff vortex in a weak resonant strain having uniform, but oscillating strain rate with chirped oscillation frequency, allows adiabatic control of the axis ratio [Formula Presented] and rotation phase of the vortex. The phenomenon has a threshold on the amplitude of oscillations of the strain rate and is due to the persisting nonlinear phase locking (autoresonance) between the elliptic vortex and the adiabatically varying straining flow.

Original languageEnglish
Pages (from-to)4106-4111
Number of pages6
JournalPhysical Review E
Volume59
Issue number4
DOIs
StatePublished - 1999

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