2015
DOI: 10.1139/tcsme-2015-0063
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Pod Analysis of Three-Dimensional Harmonically Forced Wake Flow of a Circular Cylinder

Abstract: A 3D numerical simulation of a circular cylinder wake is presented in this paper. The cylinder is harmonically forced in the stream-wise direction. The objective of the present work is to investigate the effect of the oscillation amplitude on the secondary transition of the wake. The frequency of the lift force is then linked to the form of the vortex shedding mode. The relation between these vortex shedding modes using POD analysis of the transverse velocity and the unsteady lift coefficient of 3D simulation … Show more

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Cited by 2 publications
(1 citation statement)
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“…The top-bottom symmetric structures appear as a traveling-wave-like flow structure in the streamwise direction. 28,59 The temporal coefficients of these two modes, in Fig. 4(b), show a regular periodicity.…”
Section: A the Lock-in Statementioning
confidence: 96%
“…The top-bottom symmetric structures appear as a traveling-wave-like flow structure in the streamwise direction. 28,59 The temporal coefficients of these two modes, in Fig. 4(b), show a regular periodicity.…”
Section: A the Lock-in Statementioning
confidence: 96%