Abstract
This paper deals with the interaction between fluid and body, i.e., the flowfields around oscillating square cylinders both in cases of forced oscillation and wind-induced free oscillation. Computations are based on three-dimensional (3D) LES using the standard Smagorinsky sub-grid scale model to describe the unsteady pressure fields. A very simple procedure to incorporate the influence of body motion on the flowfield is used. The accuracy of the computations using this procedure is made clear by comparing them with the experimental results of Bearman et al. [J. Fluid. Mech. 119 (1982) 297–321] and Nakamura et al. [J. Eng. Mech. Div. ASCE No. EM6 (1975) 855–871].
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