Abstract

The design of tall buildings is heavily influenced by wind flow characteristics which pose a greater challenge to designers, engineers, and architects. For understanding the wind loads and their effects on the building Computational Fluid Dynamics (CFD) tools are widely used. This paper focuses on the Coefficient of pressure along the circumference at two different elevations for a 7.5% setback provided from all sides at two different elevations using the k- ε model. For the validation of this study, the analysis is first done over a rectangular calibrated model with the same height and base area as that of the setback model and the results of the pressure coefficient are compared with the Indian standard code IS 875 (Part 3): 2015. Variation of Cpe along circumference is observed with a change in wind incident angle from 0 ° to 90 ° for an interval of 30°.

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