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2012 Iteration Coupling Simulation of Random Waves and Wave-Induced Currents
Jinhai Zheng, Tianwen Wang, Gang Wang, Chenming Zhang, Chi Zhang
J. Appl. Math. 2012: 1-13 (2012). DOI: 10.1155/2012/205376


A two-way coupling algorithm for wave-current interaction is developed and implemented into a nearshore circulation model to investigate the effects of fully wave-current interaction on irregular wave transformation over an elliptic shoal. The wave field is simulated by a spectral wave model WABED, and the wave-induced current is solved by a quasi-three-dimensional model WINCM. The surface roller effects are represented in the formulation of surface stress, and the roller characteristics are solved by a roller evolution model. The proposed two-way coupling algorithm can describe both the generation of wave-induced current and the current-induced wave transformation, which is more physically reasonable than the one-way approaches. The model test with a laboratory experiment shows that wave-induced currents have an important influence on the wave transformation, for example, the wave energy defocusing due to the strong jet-like current along the centerline of the shoal. It is revealed that the accuracy of simulated wave field can be significantly improved by taking into account the two-way wave-current interaction.


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Jinhai Zheng. Tianwen Wang. Gang Wang. Chenming Zhang. Chi Zhang. "Iteration Coupling Simulation of Random Waves and Wave-Induced Currents." J. Appl. Math. 2012 1 - 13, 2012.


Published: 2012
First available in Project Euclid: 2 January 2013

zbMATH: 1308.76217
Digital Object Identifier: 10.1155/2012/205376

Rights: Copyright © 2012 Hindawi


Vol.2012 • 2012
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