The basic idea of streamline numerical simulation technique is to decompose the 3D problem into a series of 1D problem along streamlines.Fluids move along the natural streamline grids.

• 流线数值模拟技术的基本思想是将三维问题分解为一系列沿流线的一维问题,流体沿自然流线网格运移,保持了明显的驱替前缘,减少了网格方位影响,提高了模拟精度。