Modeling Length of Hydraulic Jump on Sloping Rough Bed using Gene Expression Programming | ||
| Journal of AI and Data Mining | ||
| دوره 8، شماره 4، بهمن 2020، صفحه 535-544 اصل مقاله (1.32 M) | ||
| نوع مقاله: Original/Review Paper | ||
| شناسه دیجیتال (DOI): 10.22044/jadm.2020.7444.1886 | ||
| نویسندگان | ||
| I Pasandideh؛ A. Rajabi* ؛ F. Yosefvand؛ S. Shabanlou | ||
| Department of Water Engineering, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran. | ||
| چکیده | ||
| Generally, length of hydraulic jump is one the most important parameters to design stilling basin. In this study, the length of hydraulic jump on sloping rough beds was predicted using Gene Expression Programming (GEP) for the first time. The Monte Carlo simulations were used to examine the ability of the GEP model. In addition, k-fold cross validation was employed in order to verify the results of the GEP model. To determine the length of hydraulic jump, five different GEP models were introduced using input parameters. Then by analyzing the GEP models results, the superior model was presented. For the superior model, correlation coefficient (R), Mean Absolute Percentage Error (MAPE) and Root Mean Square Error (RMSE) were computed 0.901, 11.517 and 1.664, respectively. According to the sensitivity analysis, the Froude number at upstream of hydraulic jump was identified as the most important parameter to model the length of hydraulic jump. Furthermore, the partial derivative sensitivity analysis (PDSA) was performed. For instance, the PDSA was calculated as positive for all input variables. | ||
| کلیدواژهها | ||
| Length of hydraulic jump؛ Sloping rough bed؛ Sensitivity analysis؛ Gene Expression Program (GEP)؛ Partial derivative sensitivity analysis (PDSA) | ||
| مراجع | ||
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