Flow coherent structures and frequency signature: Application of the dynamic modes decomposition to open cavity flow

F. Lusseyran, F. Guéniat, J. Basley, C. L. Douay, L. R. Pastur, T. M. Faure, P. J. Schmid

Research output: Chapter in Book/Report/Conference proceedingConference contribution

22 Scopus citations

Abstract

The dynamic dimension of an impinging flow may be significantly reduced by its boundary conditions and self-sustained oscillations they induce. The spectral signature is associated with remarkable spatial coherent structures. Dynamic modes decomposition (DMD) makes it possible to directly extract the dynamical properties of a non-linearly saturated flow. We apply DMD to highlight the spectral contribution of the longitudinal and transverse structures of an experimental open-cavity flow.
Original languageEnglish (US)
Title of host publicationJournal of Physics: Conference Series
PublisherInstitute of Physics [email protected]
DOIs
StatePublished - Jan 1 2011
Externally publishedYes

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