SWASH MOTION DUE TO OBLIQUELY INCIDENT WAVES

Toshiyuki Asano

doi:10.9753/icce.v24.%p

No. 24 (1994), Conference Proceedings

No. 24 (1994)

SWASH MOTION DUE TO OBLIQUELY INCIDENT WAVES

Conference Proceedings

https://doi.org/10.9753/icce.v24.%25p

Published 1994-01-29

Toshiyuki Asano⁺⁻

Toshiyuki Asano

Dept. of Ocean Civil Engrg., Kagoshima Univ.

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Keywords

swash motion
oblique waves
incident waves

How to Cite

Asano, T. (1994). SWASH MOTION DUE TO OBLIQUELY INCIDENT WAVES. Coastal Engineering Proceedings, 1(24). https://doi.org/10.9753/icce.v24.%p

Abstract

A numerical model is developed to predict the flow characteristics in a swash zone for obliquely incident wave trains. The two-dimensional shallow water equations are de-coupled into independent equations each for on-off shore motion and for longshore motion. A front of swash wave train is treated as a moving boundary which makes the solution predictable for landward zone of the still water level. The results show non-vanishing longshore velocities and volume flux at the still water shoreline. These quantities are found to increase with the beach slope. The two-dimensional uprush and downrush motion near the front of swash waves shows skew figures, which may cause zig-zag longshore sediment transport inherent in swash zone.

https://doi.org/10.9753/icce.v24.%25p

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SWASH MOTION DUE TO OBLIQUELY INCIDENT WAVES

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