The range of local body-fitting coordinate mesh adjacent to the wall with special geometry should not be too wide or extended, or it would cause the aberration of computational results.
特殊几何形状壁面附近局部贴体坐标网格的范围不宜太大，否则会引起计算结果的畸变。
According to this method, a half infinite medium located in cylindrical coordinate system is made discrete by adopting unequal interval mesh.
此法采用不等间隔的网格，将置于柱坐标系中的半无限介质进行离散化。
The mesh equations of gears are given by tangent polar coordinate system.
本文给出了切线极坐标下的齿轮啮合方程式。
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