Abstract
The use of two-dimensional blufb body models for the study of incident wind effects on buildings is shown to have disadvantages. These arise from axial non-uniformities in the incident flow, whose effects are to produce variations in the surface pressure field along the length of the model. The end-effect region, which occurs at the wall-body junction, is shown to be related to the upstream wall boundary layer thickness and the use of end plates is suggested to be of little value for sharp edged models. The axial variations in the mean forces acting on the model which result from the flow behind turbulence producing grids has been investigated, and an indication of their magnitude and extent is given.
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