Unsteady Aeroelastic Base Moments on a High-Rise Buildingby Yoshihito Taniike, Kyoto Univ, Japan,
Abstract: To consider aeroelastic instabilities of prismatic structures in winds, i.e., vortex induced vibrations or galloping oscillations, unsteady aeroelastic forces must be investigated as the external forces acting on structures. From this point of view, wind tunnel experiments were performed to obtain the information of the unsteady cross wind moments as modal forces and the wake velocities of a tall building model, which is subjected to the forced harmonic oscillation with a fundamental linear mode in a low turbulence flow.
Subject Headings: Aeroelasticity | Wind forces | Vortices | Vibration | Wind tunnel | Fluid velocity | Wind speed
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