Abstract
The flow structure and loading due to rectilinear oscillations of a circular cylinder in a steady uniform flow are investigated numerically at a fixed Reynolds number R = 855. Numerical results are obtained over broad ranges of two externally specified parameters, i.e. the frequency of forced oscillation f relative to the natural vortex-shedding frequency f o (0.5 ≤ f / f o ≤ 4.0) and the angle of inclination η between oscillation axis and free-stream (η = 30°, 45°, 60°, 75°). The dimensionless oscillation amplitude is fixed at A = 0.26. The method of solution is based on the use of truncated Fourier series representations for the stream function and vorticity in the angular polar coordinate. The Navier- Stokes equations are solved by using finite difference methods, but with the boundary vorticity calculated using integral conditions rather than local finite-difference approximations.
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© 2003 Springer Science+Business Media Dordrecht
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Kocabiyik, S., Al-Mdallal, Q. (2003). A Numerical Study on the Rectilinear Oscillations of a Circular Cylinder. In: Benaroya, H., Wei, T.J. (eds) IUTAM Symposium on Integrated Modeling of Fully Coupled Fluid Structure Interactions Using Analysis, Computations and Experiments. Fluid Mechanics and its Applications, vol 75. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0995-9_11
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DOI: https://doi.org/10.1007/978-94-007-0995-9_11
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