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中文摘要：
利用流体力学理论对自然风进行描述,对风场进行数值模拟.运用基于特征线理论的分离变量算法（Char-acteristic-Based Split,CBS）求解流体域,推导了CBS算法的有限元方程.并利用自主开发的AADS中的流体计算模块对稳态风场进行数值模拟,给出了建筑物表面的风压分布规律,为进一步研究提供基础.
英文摘要：
Based on fluid mechanics theory,the natural wind was described and the numerical simulation of wind field presented.A Characteristic-Based Split（CBS） scheme was developed to solve the fluid domain and the FEM equations of CBS algorithm were derived.By using independent development of the fluid calculation module of AADS,steady-state wind field was simulated.The pressure distribution on the surface of the building was given,which provides the basis for further research.
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