Falling cards and flapping flags: Understanding fluid-solid interactions using an unsteady point vortex model

Sébastien Michelin; Stefan G. Llewellyn Smith

doi:10.1007/s00162-009-0117-6

Falling cards and flapping flags: Understanding fluid-solid interactions using an unsteady point vortex model

Sébastien Michelin
, Stefan G. Llewellyn Smith

University of California San Diego
Mines ParisTech

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

32 Citations (Scopus)

Résumé

A reduced-order model for the two-dimensional interaction of a sharp-edged solid body and a high-Reynolds number flow is presented, based on the inviscid representation of the solid's wake as point vortices with unsteady intensity. This model is applied to the fall of a rigid card in a fluid and to the flapping instability of a flexible membrane forced by a parallel flow.

langue originale	Anglais
Pages (de - à)	195-200
Nombre de pages	6
journal	Theoretical and Computational Fluid Dynamics
Volume	24
Numéro de publication	1-4
Les DOIs	https://doi.org/10.1007/s00162-009-0117-6
état	Publié - 1 janv. 2010
Modification externe	Oui

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10.1007/s00162-009-0117-6

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abstract = "A reduced-order model for the two-dimensional interaction of a sharp-edged solid body and a high-Reynolds number flow is presented, based on the inviscid representation of the solid's wake as point vortices with unsteady intensity. This model is applied to the fall of a rigid card in a fluid and to the flapping instability of a flexible membrane forced by a parallel flow.",

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AB - A reduced-order model for the two-dimensional interaction of a sharp-edged solid body and a high-Reynolds number flow is presented, based on the inviscid representation of the solid's wake as point vortices with unsteady intensity. This model is applied to the fall of a rigid card in a fluid and to the flapping instability of a flexible membrane forced by a parallel flow.

KW - Fluid-solid interaction

KW - Point vortex

KW - Vortex shedding

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Falling cards and flapping flags: Understanding fluid-solid interactions using an unsteady point vortex model

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