介绍了无结构网格的优点、生成及其目前所存在的问题,并利用无结构网格对类车体的外流场进行了数值计算,显示了部分后处理结果,得出了初步的结论。 The advantages and disadvantages of unstructured grids and their existing problems are introduced. The unstructured grids are used to calculate the outflow field of the car body, and the results of partial post-processing are shown. The preliminary conclusions are drawn .