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Numerical simulation of the vortical flow around an oscillating circular cylinder

Authors
Kim, K.-S.Lee, S.-J.Suh, J.-C.
Issue Date
2005
Keywords
Drag force; Fourier transform; Keulegan-Carpenter number; Lift force; Oscillating cylinder; Reynolds number
Citation
Proceedings of the International Offshore and Polar Engineering Conference, v.2005, pp 162 - 167
Pages
6
Journal Title
Proceedings of the International Offshore and Polar Engineering Conference
Volume
2005
Start Page
162
End Page
167
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/9081
ISSN
1098-6189
Abstract
The phenomena of vortex shedding around a cylinder oscillating harmonically in a fluid at rest are investigated by a two-dimensional numerical simulation of the Navier-Stokes equations. The simulation is based on a voracity-velocity integro-differential formulation dealing with voracity, velocity and pressure variables. Three combinations of Reynolds number(Re) and Keulegan-Carpenter mmber(KC) were taken to investigate the associated vortex development around the cylinder in the different flow regimes. Drag and lift forces are computed to describe their dominant frequency modulation which is related to the vortex shedding and to the harmonic motion of the cylinder. Copyright ? 2005 by The International Society of Offshore and Polar Engineers.
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