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Numerical investigation of the effect of current on wave focusing

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Abstract

In the present study, a numerical wave tank is developed to simulate the nonlinear wave-current interactions based on High Order Spectral (HOS) method. The influences of current on wave focusing are investigated by use of numerical model. The current is assumed to be constant in space. Focused waves with different amplitudes and frequency spectra are simulated with and without current. The focused wave characteristics, such as surface elevation, the maximum crest and frequency spectrum, with different current are compared. The results show that the opposing current increases the maximum crest and the energy transform during wave focusing process, and vice versa for the following current.

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Authors and Affiliations

  1. Key State Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, 116023, China

    Jin-xuan Li  (李金宣), Dian-yong Liu  (刘殿勇) & Shu-xue Liu  (柳淑学)

  2. Key Laboratory of Coastal Disasters and Defence of Ministry of Education, Hohai University, Nanjing, 210098, China

    Jin-xuan Li  (李金宣)

Authors
  1. Jin-xuan Li  (李金宣)
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  2. Dian-yong Liu  (刘殿勇)
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  3. Shu-xue Liu  (柳淑学)
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Corresponding author

Correspondence to Jin-xuan Li  (李金宣).

Additional information

This research was partially supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20090041120023) and Open Research Fund Program of Key Laboratory of Coastal Disasters and Defence of Ministry of Education of China, and the National Natural Science Foundation of China (Grant No. 50921001).

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Li, Jx., Liu, Dy. & Liu, Sx. Numerical investigation of the effect of current on wave focusing. China Ocean Eng 26, 37–48 (2012). https://doi.org/10.1007/s13344-012-0003-7

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  • DOI: https://doi.org/10.1007/s13344-012-0003-7

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