迭代法在水力计算中的应用

水利工程设计中常用图解或试算来推求水力要素.这些方法既繁杂又不方便,且精度较差.随着计算机应用的普及,迭代计算越来越受到人们的重视.文章探讨了迭代法在水力计算中的应用,给出了渠道底宽、正常水深、临界水深的迭代公式和计算方法,以及水工建筑物消能防冲计算中收缩水深的迭代公式和计算方法.这些迭代公式和计算方法在工程设计中具有一定的实用价值,并可应用程序进行计算.

APPLICATION OF ITERATIVE CALCULATION IN WATERPOWER CALCULATION

In the design of water conservancy engineering, illustration or repeated calculation is often used to ascertain waterpower element These methods are not only complex and inconvenient,but also inaccurate With the popularization of computers,iterative calculation is increasingly taken into account This paper introduces the iterative formulae and calculating methods in waterpower's calculation of channel bottom width,usual water depth and critical depth,contracted water depth about water conservancy building eliminating energy and preventing eroding calculation Such iterative formulae and calculative methods have certain practical value in design of engineering and can be programmed.