Destabilization of the Karman vortex street by frequency-modulated excitation

Masami Nakano, D. Rockwell

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


A two-dimensional cylinder is subjected to frequency-modulated excitation in the cross-stream direction. Transition from a locked-in response to a completely destabilized response can be attained by lowering the value of modulation frequency while all other parameters are maintained constant. This transition involves progression through a series of identifiable states including lock-in at the modulation frequency, period doubling at the modulation frequency, and spectral-broadened response.

Original languageEnglish
Pages (from-to)723-725
Number of pages3
JournalPhysics of Fluids A
Issue number5
Publication statusPublished - 1991 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)


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