Numerical Modeling of 3D Flow Field among a Compound Stilling Basin

Table 2

Grid details in each block.

Block	Grid 1	Grid 2	Grid 3	Near wall distance (m)	dimensionless distance y+
	Grid size (m)	Grid size (m)	Grid size (m)
Upstream reservoir block	0.8×0.8×0.8	0.8×0.8×0.8	0.8×0.8×0.8	0.1	46.71
Dam body-stilling basin block	0.3×0.3×0.3	0.25×0.25×0.25	0.2×0.2×0.2	0.1	94.63
downstream river bed block	0.5×0.5×0.5	0.5×0.5×0.5	0.5×0.5×0.5	0.1	109.15