Green building has been the trend of social development at present. The quality of wind environment acts as an important aspect of green building. Based on the theory of computation fluid dynamics (CFD) and using the method of program compiling and numerical solutions, the paper achieve to perform simulation of indoor and outdoor wind environment of buildings, provide technical support for indoor air duct design, buildings’ distribution and optimization, and the reasonable planning of urban function zones. Moreover, wind environment simulation technology can supply surface wind pressure data, which is superior to filed measurement and wind tunnel test in saving human resources and materials.

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