Simulation of wave-induced alongshore current during high waves at Haeundae beach, Korea SCIE SCOPUS

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Title
Simulation of wave-induced alongshore current during high waves at Haeundae beach, Korea
Author(s)
Kim, Hyoseob; Jin, Jae Youll; Hwang, Dae Hi; Jang, Chanhwan; Ryu, Ha-Sang
KIOST Author(s)
Jin, Jae Youll(진재율)
Publication Year
2014-12
Abstract
Strong wave-induced currents frequently develop at Haeundae Beach, Korea. Rip currents at the beach have threatened safety of swimmers in water. Near-shore currents at Haeundae Beach during a high wave time were measured on 4 June 2008 by using drogues equipped with GPS. The current field during measurement period showed westward flow along shoreline. Major driving force of the measured currents is thought to be the wave-induced force, and the tide-induced force was the second important driving force at the time. The wave-induced current field at the time is quantitatively described by using a numerical modelling system CST3D which adopts rearrangement of driving wave-induced forces, and the PESM for computation of advection terms. The computed wave-induced current field agrees reasonably well with the drogue measurements. The numerical model predicts development of rip current around the beach centre for S wave case, the result of which could be used for warning of possible rip current development at the site.
ISSN
1392-8716
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/2654
Bibliographic Citation
Journal of Vibroengineering, v.16, no.8, pp.3726 - 3739, 2014
Publisher
JOURNAL VIBROENGINEERING
Subject
RIP CURRENT; CONSERVATION-LAWS; TURBULENCE; BREAKING; SURFACE; FLUID
Keywords
alongshore current; wave-induced current; wave-induced force; Haeundae beach
Type
Article
Language
English
Document Type
Article
Publisher
JOURNAL VIBROENGINEERING
Related Researcher
Research Interests

Sediment transport,Coastal erosion,Numerical modeling,퇴적물이동,연안침식,수치모델

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