Abstract:
Based on the simultaneous pressure measurements of the rigid model of a standard oval-shaped high-rise structure model
in a wind tunnel test, this thesis investigates the effects of wind direction and tests points’ position and height on the wind pressure coefficients, coherence functions and the power spectra of wind pressure. The author has obtained the fre-quency of vortex shedding at long axis wind direction, and defined the boundary points of windward facades, transition facades and leeward facades. The coherence functions of typical test points are fitted using the empirical formulas. The fitting results indicate that oval-shaped high-rise structures have good horizontal coherence at transition facades, and have good vertical coherence at big curvature areas, but have worse coherence than rectangular structures.