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Vortex Induced Auto-Rotation of a Hinged Plate: A Computational Study

[+] Author Affiliations
Veeraraghavan Seshadri, Rajat Mittal

George Washington University, Washington, D.C.

H. S. Udaykumar

University of Iowa, Iowa City, IA

Paper No. FEDSM2003-45512, pp. 121-125; 5 pages
doi:10.1115/FEDSM2003-45512
From:
  • ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
  • Volume 1: Fora, Parts A, B, C, and D
  • Honolulu, Hawaii, USA, July 6–10, 2003
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3696-7 | eISBN: 0-7918-3673-8
  • Copyright © 2003 by ASME

abstract

Numerical simulations have been used to study the phenomenon of autorotation of a flat plate hinged about its center in a freestream. The focus of the paper is on examining the effect of Reynolds number and plate thickness ratio on vortex induced rotation. The numerical solver employed is based on a sharp interface, Cartesian grid method that allows us to simulate flow with moving boundaries on stationary Cartesian grids. Simulations indicate that vortex shedding is the primary instigator of the plate motion and the transition from fluttering to autorotation depends on both these parameters.

Copyright © 2003 by ASME

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