求解守恒形式的二维浅水方程的SIMPLE类程式

Solution for conservative equation of 2-D shallow flow by using revised SIMPLE algorithm

对二维浅水方程守恒形式 ,采用控制体积法离散 ,可得流速与水深的耦合关系 .据此 ,本文在SIMPLE类程式的基础上 ,提出一种新的、具有更快收敛速度的流速校正公式 .作为测试算例 ,对由两种不同底坡组成的棱柱形明渠水流进行了数值模拟 。

Based on the relationship between velocity and depth in SIMPLE algorithm,a improved formula for velocity correction of 2\|D shallow flow is deduced.The computational result of flow in prismatic channel is given for demonstration.