For predicting fluid movement of upper reaches and lower reaches of the dam or shipping channel, the method of volume of fluid (VOF) is adopted to simulate water flowing when the floodgate opening.

• 为了预测水坝、船闸等上下游水流的运动规律，本文采用流体体积（VOF）法，就水利工程中常见的闸门开启过程中的水体流动现象作了数值模拟。