本文讨论的螺纹断面形状为三种:矩形断面 、 锯齿形断面,梯形断面.

Three kinds of flight cross sections were researched including rectangular section, hackle section and trapezoid section.

通过建立一维涌潮数学模型,以概化矩形断面河道为对象,对不同糙率下的潮波变形进行分析比较.

Computational result shows that the deformation of tidal wave is changed slowly with the roughness increasing.