如果取一个有旋的向量场，流体流动方向是环绕某个坐标轴的，那么就会发现它的散度是零。
And, if you take a vector field where maybe everything is rotating, a flow that's just rotating about some axis, then you'll find that its divergence is zero.
介绍一种在非交错网格上，求解非正交曲线坐标系下的流动控制方程的方法。
This paper presents numerical solution for governing equation of flows in curvilinear coordinate system with nonstaggered grids.
将有限差分法应用于流动方程及叶片方程的求解，采用贴体坐标系统处理边界条件。
The flow equations are solved using finite difference technique. Using body-fitted curvilinear coordinate system treats the boundary conditions.
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