Abstract

This paper presents some of the results of a wind tunnel study of the motion-dependent “aeroelastic” forces, on a semi-circular cylindrical model. A forced model oscillation technique is used to study the dependence of these added forces, (denoted here as aerodynamic stiffness and aerodynamic damping forces) on turbulence, steady wind speed, amplitude and geometric details. The potential influence of the aeroelastic forces on structural response of two typical light-weight semi-circular buildings is examined.

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