The characteristic of this model is only to know basic and natural boundary condition, then the stream function and flow velocity required on the boundary are obtained.
这一模型的特点只需要知道边界上的基本边界条件和自然边界条件，就可以得到边界上所需要求的流函数和水流速度；
For potential flows on any stream surface, the equation of the velocity graph is set up by tensor analysis, and thus it provides an analytic method for solving some special flow problems.
本文利用张量分析工具，对任意流面上的位势流，建立速度图方程，为解决一些特殊流动问题，提供一个分析方法。
Uniform flow around a mounting cylinder is simulated with the application of FLUENT software while Reynolds number is 20, 40,100. Stream function and velocity vector distributions are indicated.
使用计算流体力学软件FLUENT，模拟均匀来流绕固定圆柱的流动，模拟雷诺数为20,40,100时的绕流流动，得到流场的流函数等值线图和速度矢量图。
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