In simulating Sanxia, Xiangjiaba hydroelectric power stations, some useful conclusions are attained: The more the gradient of the tailrace tunnel is, the less the fluctuation of pressure is.

• 在对三峡、向家坝等电站的过渡过程进行计算的基础上，给出了工程应用中有用的结论：变顶高尾水隧洞洞顶的坡度越大，明满流动的压力波动越小；