By comparing, finding that the improved SIMPLE algorithm has better constringency speed.通过比较，发现改进后的算法具有更好的收敛速度。
Improving models' precision and ensuring equation's resolution constringency are two unresolved problems in engine modeling.提高模型精度以及保证方程求解收敛是目前发动机建模亟待解决的问题。
