Wake deviation of a flapping foil: A symmetry-breaking bifurcation
Abstract eng: The mean deviation of the time-periodic wake observed behind flapping foils is investigated with a two-dimensional linear Wnalysis. A method preserving the spatio-temporal flow symmetry imposed by the foil motion is specifically developed to determine the non-deviated flow. A Floquet stability analysis of this time-periodic flow then shows the existence of an unstable real Floquet mode for a pitching frequency corresponding to the onset of the mean wake deviation.
Publisher:
International Union of Theoretical and Applied Mechanics, 2016
Conference Title:
Conference Title:
24th International Congress of Theoretical and Applied Mechanics
Conference Venue:
Montreal (CA)
Conference Dates:
2016-08-21 / 2016-08-26
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
Record appears in:
Record created 2016-11-15, last modified 2016-11-15
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