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Free surface wave interaction with an oscillating cylinder
Date
2014-01-01
Author
Bozkaya, Canan
Kocabiyik, Serpil
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The numerical solution of the special integral form of two-dimensional continuity and unsteady Navier Stokes equations is used to investigate vortex states of a horizontal cylinder undergoing forced oscillations in free surface water wave. This study aims to examine the consequence of degree of submergence of the cylinder beneath free surface at Froude number 0.4. Calculations are carried out for a single set of oscillation parameters at a Reynolds number of R = 200. Two new locked-on states of vortex formation are observed in the near wake region. The emphasis is on the transition between these states, which is characterized in terms of the lift force on the cylinder and the instantaneous patterns of vortex structures and pressure contours in the near wake.
Subject Keywords
Free surface
,
Cylinder
,
Forced oscillation
,
Wake dynamics
,
Lift force
,
Computation
URI
https://hdl.handle.net/11511/40062
Journal
APPLIED MATHEMATICS LETTERS
DOI
https://doi.org/10.1016/j.aml.2013.07.009
Collections
Department of Mathematics, Article