Numerical Solution for Flow Under Sluice Gates

by Lewis T. Issacs, Sr. Lect.; Dept. of Civ. Engrg., Univ. of Queensland, Brisbane, Australia,

Serial Information: Journal of the Hydraulics Division, 1977, Vol. 103, Issue 5, Pg. 473-481

Document Type: Journal Paper

Discussion: Betts Philip L. (See full record)
Closure: (See full record)


A numerical method for the analysis of flows under sluice gates of arbitrary geometry is described. The analysis starts with assumed free surface profile and two-dimensional discharge which are systematically modified to give the final result. The finite element method is used to analyze the flow region for each iteration. A curved cubic triangular element which gives a good representation of the boundary geometry and velocity field is employed. The calculated results compare favorably with those obtained by analytical methods but differ significantly from those found experimentally.

Subject Headings: Gates (hydraulic) | Numerical methods | Finite element method | Geometrics | Two-dimensional analysis | Free surfaces | Curvature | Arbitration

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