Abstract
The effects of incident shear and turbulence on flow around a cubical building are being investigated by a turbulent kinetic energy/dissipation ( k - ϵ ) model (TEMPEST). The numerical simulations demonstrate significant effects due to the differences in the incident flow. The addition of upstream turbulence and shear results in a reduced size of the cavity directly behind the building. The accuracy of numerical simulations is verified by comparing the predicted mean flow fields with the available wind-tunnel measurements of Castro and Robins (1977). Comparing our results with experimental data, we show that the TEMPEST model can reasonably simulate the mean flow.
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