Irregular Wave Runup and Overtopping

by John P. Ahrens, (A.M.ASCE),
Martin F. Titus,

Serial Information: Journal of the Waterway, Port, Coastal and Ocean Division, 1978, Vol. 104, Issue 4, Pg. 439-442

Document Type: Journal Paper


A cumulative frequency distribution function for the runup elevation of irregular waves is useful in the design of many coastal structures. Such a relationship would help a designer to quantify trade offs between structure geometry and allowable overtopping. The work of Saville and Battjes suggests that a Rayleigh distribution is a reasonable but somewhat conservative dierstribution for irregular wave runup elevations. This note gives a simple technique for establishing a Rayleigh runup distribution for given wave and structure characteristics and then extends the technique to estimate irregular wave overtopping rates.

Subject Headings: Wave overtopping | Irregular waves | Wave runup | Distribution functions | Frequency distribution | Frequency response | Ocean waves | Geometrics

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