Numerical models for the prediction of wave set-up and nearshore circulation.

W. A. Birkemeier, R. A. Dalrymple

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

An explicit finite difference model for predicting time-dependant, wave-induced nearshore circulation is discussed. The formulation includes wave refraction, wave-current interaction, an anistropic bottom friction, wave set-up, wind effects and coastal flooding. In addition to the explicit scheme, a one-dimensional implicit scheme was developed to determine the importance of the convective acceleration terms in the equation of motion. Results are shown for three cases including: set up in a wave channel due to steady waves and wave groups, circulation in a rectangular wave tank under oblique wave attack, and for wave and wind induced circulation on a longshore periodic beach. In all three cases comparison is made to experimental data. Important results are that tuned wave groups can incite seiching in an enclosed basin and harbors and that rip currents will be induced or maintained by the presence of surf zone channels. (A.) (Microfiche)

Original languageEnglish (US)
Journal[No source information available]
StatePublished - Jan 1 1976

ASJC Scopus subject areas

  • Engineering(all)

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