中文说明：
通过此程序可得到二维坐标系中的油膜力及其分布曲线，使用者可更改设计变量观察油膜力的曲线变化
English Description：
Through this program, the oil film force and its distribution curve in the two-dimensional coordinate system can be obtained, and the user can change the design variables to observe the change of the oil film force curve