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Last edited 04 Jun 2020
Wind comfort simulations
The Wind Microclimate Guidelines for Developments in the City of London (published August 2019, PDF) describe the required studies to assess a planned structure’s impact on the comfort and safety of nearby pedestrians and cyclists. Within the guidelines, computational fluid dynamics (CFD) is amongst the recommended approaches for buildings 25 meters or higher and is a requirement for buildings 50 meters or higher. Further, the guidelines encourage developers to address wind impact early in the design process and require that multiple scenarios are studied.
Three dimensional models of London can be used to help engineers and architects plan new developments in the city. Using a combination of a highly accurate and detailed 3D city model and the power of cloud-based simulations, urban designers, architects and engineers can directly measure wind statistics data as defined in the guidelines, run wind analyses for 36 wind directions and assess pedestrian wind comfort and safety on an annual, seasonal, and worst case scenario. It’s also possible to analyse the transient wind flow patterns around the buildings using streamlines, velocity vectors for 36 wind directions.
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