Gene expression programming to predict the discharge coefficient in rectangular side weirs

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@Article{journals/asc/EbtehajBZAS15,

• author = "Isa Ebtehaj and Hossein Bonakdari and Amir Hossein Zaji and Hamed Azimi and Ali Sharifi",
• title = "Gene expression programming to predict the discharge coefficient in rectangular side weirs",
• journal = "Applied Soft Computing",
• year = "2015",
• volume = "35",
• bibdate = "2015-11-26",
• bibsource = "DBLP, http://dblp.uni-trier.de/db/journals/asc/asc35.html#EbtehajBZAS15",
• pages = "618--628",
• keywords = "genetic algorithms, genetic programming, gene expression programming, Discharge coefficient, Sensitivity analysis, Side weir",
• ISSN = "1568-4946",
• DOI = "doi:10.1016/j.asoc.2015.07.003",
• URL = "http://www.sciencedirect.com/science/article/pii/S1568494615004330",
• abstract = "In this study, gene expression programming (GEP) is employed as a new method for estimating the side weir discharge coefficient. The accuracy of existing equations in evaluating the side weir discharge coefficient is first examined. Afterwards, taking into consideration the dimensionless parameters that affect the estimation of this parameter and sensitivity analysis, five different models are presented. Coefficient determination (R2), root mean square error (RMSE), mean absolute relative error (MARE), scatter index (SI) and BIAS are used for measuring the models performance. Two sets of experimental data are applied to evaluate the models. According to the results obtained indicate that the model with Froude number (F1), dimensionless weir length (b/B), ratio of weir length to depth of upstream flow (b/y1), and ratio of weir height to its length (p/y1) parameters of R2=0.947, MARE=0.05, RMSE=0.037, BIAS=0.01 and SI=0.067, performed the best. Accordingly, this new equation proposed through GEP can be used for estimating the discharge coefficient in rectangular sharp-crested side weirs.",

}

Genetic Programming entries for Isa Ebtehaj Hossein Bonakdari Amir Hossein Zaji Hamed Azimi Ali Sharifi

Citations