Numerical Simulation of Stepped Spillways with Front Step Deformation

Table 1

Comparison between the calculated results of each turbulence model and the experimental data.

Turbulence model	x/L = 0.4		x/L = 0.6		x/L = 0.8
	Pressure (Pa)	Relative error (%)	Pressure (Pa)	Relative error (%)	Pressure (Pa)	Relative error (%)
standard	523.6	12.4	875.2	13.0	625.1	13.2
realizable	515.2	13.8	685.3	11.5	858.6	19.2
RNG	573.5	4.1	784.2	1.3	739.9	2.7
Experimental data	597.8	—	774.2	—	720.3	—