Research on numerical simulation of wind load on high-rise buildings along the street based on BIM model Online publication date: Mon, 02-Dec-2024
by Lianguang Mo; Wenying Lu
International Journal of Engineering Systems Modelling and Simulation (IJESMS), Vol. 16, No. 1, 2025
Abstract: In order to overcome the problems of poor accuracy and low efficiency in the existing numerical simulation methods of building surface wind load, a new numerical simulation method of high-rise street building surface wind load based on BIM model is proposed. This method obtains the data of high-rise buildings along the street based on BIM model, and selects Realisable k-ε model as the turbulence model. The non-equilibrium wall function method is used to deal with the turbulence state on the building surface, the boundary conditions are set, and the turbulence model is calculated and solved by a separate solver to realise the numerical simulation of the surface wind load of high-rise street buildings. The experimental results show that the average error of the wind pressure coefficient of the proposed numerical simulation method is less than 0.4, which fully shows that the proposed numerical simulation method has good performance.
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