Abstract
The article is devoted to the modeling of wind flows when placing new construction objects in the existing building. The CFD technologies are used (computational fluid dynamics) to assess the influence of wind, to determine the direction of airflow velocity vectors for a given location and geometric characteristics of buildings, the earth's surface topography. When solving the problems of modeling wind flows in a residential area, a review of tools for architectural and climatic analysis is carried out. In addition, the possibilities of calculating each of them are described, and advantages and disadvantages are highlighted. It is concluded that most of the tools remain proprietary and not integrated into the main programs for architectural and urban design. The main stages of modeling and obtaining initial data for CFD analysis are described: digital models of the terrain and buildings obtained on the basis of a geoinformation model of the city, annual data on the actual direction and speed of the wind in the study area. The values of speeds, wind for the residential group under consideration, the trajectories of its movement in the building, projected onto vertical and horizontal planes are obtained. The simulation results allow to consider measures for planning and beautification of urban space and reducing the negative impact of wind on the built-up area
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