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Modeling undertow due to random waves

Thanh Nam, Pham; Oumeraci, Hocine; Larson, Magnus LU and Hanson, Hans LU (2014) In Ocean Dynamics 64(8). p.1209-1219
Abstract
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.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Undertow, Random waves, Surface roller, Eddy viscosity, Wave energy, dissipation, Wave asymmetry
in
Ocean Dynamics
volume
64
issue
8
pages
1209 - 1219
publisher
Springer
external identifiers
  • wos:000340361100009
  • scopus:84904516320
ISSN
1616-7341
DOI
10.1007/s10236-014-0748-z
project
MERGE
language
English
LU publication?
yes
id
0f041cb4-9311-4344-b59b-e36dfbbafc6e (old id 4659294)
date added to LUP
2014-09-24 14:56:30
date last changed
2017-01-01 03:20:07
@article{0f041cb4-9311-4344-b59b-e36dfbbafc6e,
  abstract     = {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.},
  author       = {Thanh Nam, Pham and Oumeraci, Hocine and Larson, Magnus and Hanson, Hans},
  issn         = {1616-7341},
  keyword      = {Undertow,Random waves,Surface roller,Eddy viscosity,Wave energy,dissipation,Wave asymmetry},
  language     = {eng},
  number       = {8},
  pages        = {1209--1219},
  publisher    = {Springer},
  series       = {Ocean Dynamics},
  title        = {Modeling undertow due to random waves},
  url          = {http://dx.doi.org/10.1007/s10236-014-0748-z},
  volume       = {64},
  year         = {2014},
}