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Development of the Combined Typhoon Surge-Tide-Wave Numerical Model Applicable to Shallow Water 1. Validation of the Hydrodynamic Part of the Model  

Chun, Je-Ho (Institue of Construction and Environmental Research, Handong Global University)
Ahn, Kyung-Mo (School of Spatial Environment System Engineering, Handong Global University)
Yoon, Jong-Tae (Department of Civil Engineering, Kyungsung University)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.21, no.1, 2009 , pp. 63-78 More about this Journal
Abstract
This paper presents the development of dynamically combined Typhoon generated surge-tide-wave numerical model which is applicable to shallow water. The newly developed model is based on both POM (Princeton Ocean Model) for the surge and tide and WAM (WAve Model) for wind-generated waves, but is modified to be applicable to shallow water. In this paper which is the first paper of the two in a sequence, we verified the accuracy and numerical stability of the hydrodynamic part of the model which is responsible for the simulation of Typhoon generated surge and tide. In order to improve the accuracy and numerical stability of the combined model, we modified algorithms responsible for turbulent modeling as well as vertical velocity computation routine of POM. Verification of the model performance had been conducted by comparing numerical simulation results with analytic solutions as well as data obtained from field measurement. The modified POM is shown to be more accurate and numerically stable compare to the existing POM.
Keywords
dynamically combined; Typhoon; surge; tide; wind-wave numerical model; POM; WAM; $k-{\varepsilon}$ tubulence model;
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Times Cited By KSCI : 1  (Citation Analysis)
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