应用PHOENICS软件对建筑群风环境的模拟和评价

选择实用易行的计算机数值模拟方法作为本文研究风环境的切入点，详述了适合风环境湍流数学模型的选择、建立及相应的边界条件。首先应用PHOENICS软件对风绕单栋建筑时的流场进行了模拟分析，其次通过将二维CAD图转换到PHOENICS软件中的方法，在冬季北风最不利工况下，对某实际复杂建筑小区的风速场进行了模拟，实现了理论与实践的结合。结果证明采用计算流体力学的方法并借助于商业软件PHOENICS可实现对建筑小区风环境的模拟，其对建筑小区风环境的优化设计有一定的指导意义。

Simulation and evaluation of building cluster's wind environment with PHOENICS software

The practical and easy method of computer numerical simulation is selected as an incisive approach to the research of wind environment, and the selection and establishment of the turbulence mathematical model suitable for wind environment and its boundary conditions are introduced in detail. Firstly, the flow field around a single building is simulated by the CFD software PHOENICS. Secondly, through converting the three dimensional CAD drawing into PHOENICS, the wind speed field around a real complex building cluster is simulated under the most unfavorable operation condition with the winter north wind, and this combines theory with practice commendably. The result is proved that the wind environment of building clusters can be simulated with the business software PHOENICS, which is very useful to the optimization design of the wind environment of building clusters.