Waves of Maximum Height on Uniform Currents

by Robert A. Dalrymple, (A.M.ASCE), Asst. Prof.; Dept. of Civ. Engrg. and Coll. of Marine Studies, Univ. of Delaware, Newark, Del.,
Robert G. Dean, (M.ASCE), Prof.; Dept. of Civ. Engrg. and Coll. of Marine Studies, Univ. of Delaware, Newark, Del.,


Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1975, Vol. 101, Issue 3, Pg. 259-268


Document Type: Journal Paper

Discussion: Natarajan Panchapagesa (See full record)
Closure: (See full record)

Abstract: Offshore design often involves the use of maximum wave height for a given water depth, yet the presence of a current is usually neglected. A constant current, having the same magnitude over the water depth, can be simply included in design by relating the wave propagating on a current to an equivalent wave propagating in still water. By relating the maximum height values for still water to those on a current, a breaking index curve is generated for waves on uniform currents. The effect of the current on the wave crest displacement is also examined. Finally, a curve is presented to show the magnitude of the maximum opposing currents for which wave groups can propagate upstream. Two examples are provided to illustrate the use of the results.

Subject Headings: Water management | Wave propagation | Wave height | Curvature | Wave crest | Professional societies | Breaking waves | Wave generation

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