Author(s): Harinarayan Tiwari, Pritikana Das, Anish Kumar Bharti
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.1 - Issue 8 (October - 2012)
Critical depth and Normal depth are an essential parameter in the analysis of varied flow in open channels. The governing equations for critical depth are implicit and no analytical solutions exist. In trapezoidal channel, the governing equations are highly nonlinear in the normal and critical flow depths and thus solution of the implicit equations involves numerical methods. So many solutions already exist in the form of empirical relations and tabulated form. Equations are lengthy and chances of getting error are more. As in advance computing age MATLAB programming got importance for these types of computational problems. In this study result obtained by programming is compared with different explicit solutions and method of genetic algorithm. It is found that result obtained from recent study is up to millimeter of accuracy from results obtained from genetic algorithm and explicit solution suggested by Ali and Essa.
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