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Table 6

Statistical analysis for experimental and CFD approach – original CBC weir model

Parameter (C_d)	Prediction range	Mean	RMSE	Standard deviation	Performance index
Parameter (C_d)	Prediction range	Mean	RMSE	Standard deviation	Median	Skewness	Model R
Experimental	Min 0.514	0.5806	0.416	0.050207	0.5795	0.121322	0.9931
Experimental	Max 0.654
CFD	Min 0.6137	0.63293	0.444	0.014628	0.63145	0.220238
CFD	Max 0.6552

Parameter (C_d)	Prediction range	Mean	RMSE	Standard deviation	Performance index
Parameter (C_d)	Prediction range	Mean	RMSE	Standard deviation	Median	Skewness	Model R
Experimental	Min 0.514	0.5806	0.416	0.050207	0.5795	0.121322	0.9931
Experimental	Max 0.654
CFD	Min 0.6137	0.63293	0.444	0.014628	0.63145	0.220238
CFD	Max 0.6552