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http://dx.doi.org/10.26748/KSOE.2017.12.31.6.405

Development of SRIAM Computation Module for Enhanced Calculation of Nonlinear Energy Transfer in 3rd Generation Wave Models  

Lee, Jooyong (Construction and Environmental Research Center, Sungkyunkwan University)
Yoon, Jaeseon (Rural Research Institute, Korea Rural Community Corporation)
Ha, Taemin (Department of Civil Engineering, Kangwon National University)
Publication Information
Journal of Ocean Engineering and Technology / v.31, no.6, 2017 , pp. 405-412 More about this Journal
Abstract
Because of the rapid development of computer technology in recent years, wave models can utilize parallel calculations for the high-resolution prediction of open sea and coastal areas with high accuracy. Parallel calculations also allow national agencies in the relevant sectors to produce marine forecasting data through massive parallel calculations. Meanwhile, the eastern coast of the Korean Peninsula has been increasingly damaged by swell-like high waves, and many researchers and scientists are continuing their efforts to anticipate and reduce the damage. In general, the short-term transformation of swell-like high waves can be reproduced relatively well in the third generation wave models, but the transformation of relatively long period waves needs to be simulated with higher accuracy in terms of the nonlinear wave interactions to gain a better understanding of the low-frequency wave generation and development mechanisms. In this study, we developed a calculation module to improve the calculation of the nonlinear energy transfer in the 3rd generation wave model and integrated it into the wave model to effectively consider the nonlinear wave interaction. First, the nonlinear energy transfer calculation module and third generation model were combined. Then, the combined model was used to reproduce the wave transformation due to the nonlinear interaction, and the performance of the developed operation module was verified.
Keywords
Nonlinear energy transfer; Wave model; Computation module;
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