Glover, N; Malki-Epshtein, L; Guillas, S; (2011) Statistical calibration of CFD modelling for street canyon flows. In: Proceedings of Building Simulation 2011: 12th Conference of International Building Performance Simulation Association. (pp. 1513 - 1520).
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CFD simulations of complex outdoor environments present a significant modelling challenge. Simulations of airflow within an idealized street canyon are performed here. We test the model sensitivity to the empirical constants contained within the κ-ε turbulence model and examine how a systematic variation of these values could produce improved prediction of the turbulent kinetic energy when compared against wind tunnel data. The Bayesian statistical calibration shows the range of values the constants should take. This results in improved CFD simulations in the region of flow inside the street canyon, which is normally very difficult to resolve accurately in CFD models.
|Title:||Statistical calibration of CFD modelling for street canyon flows|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering|
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Statistical Science
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