Water waves over ripples

Robert A. Dairymple; James T. Kirby

doi:10.1061/(ASCE)0733-950X(1986)112:2(309)

Water waves over ripples

Robert A. Dairymple, James T. Kirby

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

70 Scopus citations

Abstract

The interaction of small amplitude water waves with a patch of bottom ripples is studied using the Boundary Integral Equation Method (BIEM). Normal and oblique wave incidence is examined for reflection coefficients and the laboratory data of Davies and Heathershaw are compared to the numerical results, with the conclusion that the analytical model of Davies and Heathershaw overestimates the reflection coefficient at resonance. Comparison of BIEM results for oblique incidence is made with an extension of the recent work of Mei showing good agreement, even for large amplitude ripples.

Original language	English (US)
Pages (from-to)	309-319
Number of pages	11
Journal	Journal of Waterway, Port, Coastal and Ocean Engineering
Volume	112
Issue number	2
DOIs	https://doi.org/10.1061/(ASCE)0733-950X(1986)112:2(309)
State	Published - Mar 1986

ASJC Scopus subject areas

Civil and Structural Engineering
Water Science and Technology
Ocean Engineering

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10.1061/(ASCE)0733-950X(1986)112:2(309)

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abstract = "The interaction of small amplitude water waves with a patch of bottom ripples is studied using the Boundary Integral Equation Method (BIEM). Normal and oblique wave incidence is examined for reflection coefficients and the laboratory data of Davies and Heathershaw are compared to the numerical results, with the conclusion that the analytical model of Davies and Heathershaw overestimates the reflection coefficient at resonance. Comparison of BIEM results for oblique incidence is made with an extension of the recent work of Mei showing good agreement, even for large amplitude ripples.",

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AB - The interaction of small amplitude water waves with a patch of bottom ripples is studied using the Boundary Integral Equation Method (BIEM). Normal and oblique wave incidence is examined for reflection coefficients and the laboratory data of Davies and Heathershaw are compared to the numerical results, with the conclusion that the analytical model of Davies and Heathershaw overestimates the reflection coefficient at resonance. Comparison of BIEM results for oblique incidence is made with an extension of the recent work of Mei showing good agreement, even for large amplitude ripples.

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SN - 0733-950X

IS - 2

ER -

Water waves over ripples

Abstract

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