weir formula

According to the operating of Anti Reservoir spillway gate, results of model experiment and field observation as com-pared with theoretical calculation have been made and got the relation formula between weir overflow and hole overflow.

根据岸堤水库溢洪闸的工程实例，通过模型试验和现场实测对比理论计算得到孔流与堰流的关系式，把堰流的试验结果推广到闸门控制泄流上，取得成功。

Secondly, the model of 2-D overtopping unsteady flow based on finite volume method ( FVM) is presented the weir formula is used here to realize the coupling calculating of three step method and FVM. the generating algorithm of the data structure of grid is developed.

根据简化有限体积法建立了二维漫顶非恒定流模型，提出了漫顶条件下三级解法和有限体积法耦合的计算方法，提出网格数据结构的生成算法。

During the computation of dike burst, this thesis used the formula of the broad-crested weir without bank to fulfill it.

在进行溃口计算过程中，本文采用无坎宽顶堰流公式来进行计算；

By rectangle thin-plate weir test, this paper validates the existence of scale effect, analyses the affection of scale effect for discharging capacity of rectangle thin-plate weir, recommends a high-precision calculating formula, and puts forward the measure and the suggestion of reducing scale effect.

本文通过矩形薄壁堰试验，验证了缩尺效应的存在，分析了缩尺效应对矩形薄壁堰泄水能力的影响，推荐了计算精度较高的计算公式，提出了减小缩尺效应的措施及建议。