Surface Shear Waves

by D. Howell Peregrine, Lect.; School of Mathematics, Univ. of Bristol, Bristol, U.K.,

Serial Information: Journal of the Hydraulics Division, 1974, Vol. 100, Issue 9, Pg. 1215-1227

Document Type: Journal Paper


Two examples of steep very large amplitude waves are described. One occurs on flows below weirs or sluices and is known as the wave hydraulic jump. A simple analysis is presented to describe its main features. The other example occurs in backwash from surf and has not previously been described. A hypothesis of flow separation in these latter waves links them with the first example. The general name, surface shear waves is proposed for both wave types since their steep rounded crests may be explained by a thin fast surface layer of water.

Subject Headings: Surface waves | Shear waves | Weirs | Hydraulic jump | Backwashing | Flow separation | Surface water | Water surface

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