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Realization for Calculation on Characteristical Depth of Open Channel by Excel

DING Li-ze1,OUYANG Ming2,ZHANG Qing-wen1(1.Jiaxing Vocational and Technical College,Jiaxing,Zhejiang 314036,China;2.College of Architectural Engineering,Zhejiang Polytechnical University,Hangzhou,Zhejiang 310014,China)  
The four kinds of characteristical depths of open channel,i.e.,normal water depth,critical water depth,contracted water depth and conjugate water depth,can be calculated by the four methods with Microsoft Excel such as filling handle,single goal seeking function,and iteration solving by circulating citation and programming solving function.Through the application examples and comparing with the reference results,it is shown that the depths in various kinds of sections can be obtained by Excel more quickly,precisely and conveniently compared with the general methods,such as manual calculation or computer programming.The process of calculation is simple and can be understood easily,the result of calculation is exact and reliable,and the good methods and new ways of thinking can be provided for teaching and design.
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