Runup of Irregular Waves on Plane Smooth Slope

by J. William Kamphuis, Prof. of Civ. Engrg.; Queen's Univ. at Kingston, Canada,
Nazir Mohamed, Research Asst.; Queen's Univ. at Kingston, Canada,

Serial Information: Journal of the Waterway Port Coastal and Ocean Division, 1978, Vol. 104, Issue 2, Pg. 135-146

Document Type: Journal Paper


Runup of irregular waves on smooth slopes of 1:3, 1:2, 1:1½, and 1:1 was investigated. The waves were generated by superposition of component waves and simulated the spectra defined by Bretschneider and Scott. A few narrow frequency band spectra were also generated. Since the waves were nonbreaking for the most part, the reflection process affected the results and thus was investigated in detail. Subsequently runup distributions were related to wave height distributions with special emphasis on average runup and 2% runup. A number of secondary observations with respect to superelevation of mean water level, spectrum bandwidth, runup period and position of the leading edge of the runup were also made.

Subject Headings: Irregular waves | Wave runup | Slopes | Wave spectrum | Wave generation | Wave reflection | Wave height | Curvature

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