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Oblique wave breaking and suspended sediment transport over a constant slope bed
Kolokythas, G. K.; Dimas, A.A. (2016). Oblique wave breaking and suspended sediment transport over a constant slope bed, in: The proceedings of the twenty-sixth (2016) International Ocean and Polar Engineering conference, Rhodes, Greece, june 26-july 1, 2016. pp. 1206-1212
In: (2016). The proceedings of the twenty-sixth (2016) International Ocean and Polar Engineering conference, Rhodes, Greece, June 26 - July 1, 2016. International Society of Offshore and Polar Engineers (ISOPE): [s.l.]. ISBN 978-1-880653-88-3. 4 vol. pp., meer
Beschikbaar in  Auteurs 
Documenttype: Congresbijdrage
Trefwoorden
    Energy transfer > Energy dissipation > Wave dissipation > Wave breaking
    Motion > Water motion > Water currents > Nearshore currents > Longshore currents
    Suspended sediments
Author keywords
    Numerical simulation; Undertow currents; Navier-Stokes equations
Auteurs  Top 
  • Kolokythas, G. K., meer
  • Dimas, A.A.
Abstract
    In the present study, the three-dimensional, turbulent, free-surface flow, developing by the oblique propagation of breaking waves over a constant slope bed is numerically simulated. Then, two-dimensional simulations of suspended sediment transport, induced by normal to the shore wave breaking over the same beach, are performed. The main objective is to investigate in depth the flow structure in the surf zone, as well as the behavior of sediment suspension. Predicted profiles of the undertow and the longshore current at several positions in the surf zone, are presented. For the sediment transport simulations, cases of sediments of various grain sizes are investigated. During wave breaking and also in the surf zone, strong uplift of bed sediment is observed.
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