Optimization of the Hollow Rectification Sill in the Forebay of the Pump Station Based on the PSO-GP Collaborative Algorithm

Table 1

Size selection range of hollow sills.

Size parameters	Value range
Hole-to-height ratio	0.4–1
Hole-to-width ratio	0–0.5
Upper-to-lower sill length ratio	0-1
Sill height-to-water table ratio	0.1–0.5