Open AccessRelations of POD modes and Lyapunov exponents to the nonlinear dynamic states in flow over oscillating tandem cylinders
Author(s) -
Meihua Zhang,
Zhongquan Charlie Zheng
Publication year - 2018
Publication title -
physics of fluids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.188
H-Index - 180
eISSN - 1089-7666
pISSN - 1070-6631
DOI - 10.1063/1.5060419
Subject(s) - physics , quasiperiodic function , lyapunov exponent , reynolds number , wake , cylinder , flow (mathematics) , nonlinear system , vorticity , instability , classical mechanics , mechanics , turbulence , geometry , vortex , quantum mechanics , mathematics , condensed matter physics
Nonlinear dynamic states of flow field are analyzed using the Proper Orthogonal Decomposition (POD) to extract spatial coherent structures, and the temporal development of these spatial structures ...
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