这是一本介绍用comsol进行CFD仿真的操作手册，共146页，详细讲述了在多个功能及模块下的流体与多物理场仿真过程。 -This is a descr iption of the use of comsol CFD simulation of the operating manual, a total of 146 pages, in detail under a number of functions and modules under the fluid and multi-physi