明渠流量计算的研究现状和进展

Current Research and Advances of Open Channel Discharge Calculation

该文介绍了目前水利工程中明渠流量测量的主要手段和方法,分析了各种方法的适用范围及优劣.重点介绍了目前明渠流量计算中一些常用的研究方法,如回归法、量纲分析法、深度平均法、求解圣维南方程法、数学建模法以及新兴的神经元网络方法等,同时归纳总结了一些现有的典型的明渠流量计算公式,分析了优缺点.最后对研究的现状提出了自己的看法,以供水文工作者借鉴.

This paper introduces methods of calculation for open channel discharge in the current hydraulic engineering. The application areas, and the advantages and disadvantages are discussed. Some calculation methods for open channel discharge are also given. These include the regression method, dimensional analysis method, averagingdepth method, SaintVenant equations method, mathematics modeling method, and the rising neural network method, etc. The paper also summarizes some typical formulae on open channel discharge, and analyzes respective advantages and disadvantages. Some opinions are presented for the reference of hydrologists.