In fluid dynamics, an edge wave is a surface gravity wave fixed by refraction against a rigid boundary, often a shoaling beach. Progressive edge waves travel along this boundary, varying sinusoidally along it and diminishing exponentially in the offshore direction.
 Further reading
- Ursell, F. (1952), "Edge waves on a sloping beach", Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences 214 (1116): 79–97, Bibcode:1952RSPSA.214...79U, doi:10.1098/rspa.1952.0152
- Miles, J.W. (1989), "Edge waves on a gently sloping beach", Journal of Fluid Mechanics 199: 125–131, Bibcode:1989JFM...199..125M, doi:10.1017/S0022112089000315
- Chapman, C.J. (2001), "Energy paths in edge waves", Journal of Fluid Mechanics 426: 135–154, doi:10.1017/S0022112000002184
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