圣维南方程组 meaning in English

de saint－venant equations

At present , s . vt equations are introduced to describe flood motion in rivers and various models are introduced based on various solutions of numerical computation
摘要河道中洪水数值模拟主要用求解描述洪水波运动的圣维南方程组，依数值计算解法不同而产生了不同的模型。
This part analyzed and compared many kinds of solvement of dam - break , then the adopted traditional one - direction b . saint . venant equation and conceal format to calculate the proceeding of dam - break flood , then according to calculation result analyzed influence of villages located beside fabiela river from dam - break flood
这一部分首先分析比较了溃坝波的各种求解方法，然后采用传统的一维圣维南方程组和隐式差分格式进行了溃坝洪水演进计算，然后根据计算结果分析了各种溃坝情况下洪水对河道两岸村屯的影响。