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Modeling undertow due to random waves

På svenska

Author

Summary, in English

A numerical model of undertow due to random waves is developed. The model includes three sub-models: (i) a model for multi-directional and multi-frequency random wave transformation, (ii) a surface roller evolution model, and (iii) a model for calculating the vertical distribution and the mean value of the undertow velocity. The calculation of wave trough level is performed based on a theory for the wave asymmetry. The model was successfully validated against small- and large-scale laboratory experiments. Thus, the model is expected to provide reliable input for the modeling of sediment transport and morphological change due to waves and currents.

Publishing year

2014

Language

English

Pages

1209-1219

Publication/Series

Ocean Dynamics

Volume

64

Issue

8

Document type

Journal article

Publisher

Springer

Topic

  • Water Engineering

Keywords

  • Undertow
  • Random waves
  • Surface roller
  • Eddy viscosity
  • Wave energy
  • dissipation
  • Wave asymmetry

Status

Published

ISBN/ISSN/Other

  • ISSN: 1616-7341