This paper presents a simplified model of decomposing the velocity in grid cell, identifying the outflow surface of fluid flow by discriminant conditions and tracing the streamline according to connection relations of cells.

• 文中提出一种简化的流线生成方法 ；将流体质点的运动在单元网格内进行分解 ；通过判别条件判别流体质点流出的面 ；通过相邻单元之间的连接关系跟踪流线的轨迹 .