Study of wave power density computation in finite depth

Jiang Xingjie; Yang Yongzeng; Wang Daolong; Sun Meng

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Jiang Xingjie, Yang Yongzeng, Wang Daolong, Sun Meng. Study of wave power density computation in finite depth[J]. Haiyang Xuebao, 2015, 37(9): 1-9.

Citation:

Jiang Xingjie, Yang Yongzeng, Wang Daolong, Sun Meng. Study of wave power density computation in finite depth[J]. Haiyang Xuebao, 2015, 37(9): 1-9.

Jiang Xingjie, Yang Yongzeng, Wang Daolong, Sun Meng. Study of wave power density computation in finite depth[J]. Haiyang Xuebao, 2015, 37(9): 1-9.

Citation:

Jiang Xingjie, Yang Yongzeng, Wang Daolong, Sun Meng. Study of wave power density computation in finite depth[J]. Haiyang Xuebao, 2015, 37(9): 1-9.

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Study of wave power density computation in finite depth

1.
College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266061, China;Key Lab of Marine Science and Numerical Modeling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
Key Lab of Marine Science and Numerical Modeling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China

Received Date: 2014-12-26
Rev Recd Date: 2015-04-26

Abstract

Abstract

Experiments based on observational data and numerical simulation were carried out in this study to analyze the applicability of three different computational methods of wave power density in finite water depth. From the comparison we conclude that,the deterministic method fully considering the features of waves in finite depth yields the most accurate results,but it has a relatively narrow range of application because it strongly depends on the existence of wave spectrum; the experimental method only depends on regular wave parameters and is applicable for almost all of the basic data,but it yields the results a little lower than the deterministic method and cannot obviously describe the convergence effect of wave power density due to a uplift of the seabed; the correctional method considering the effects of finite depth can yield very accurate results if a proper parameter has been chosen,but it may overate those places with high values. Each one of the three methods has both merits and defects respectively,a proper choice is needed before taking into practice.
- wave power density,
- finite depth,
- group velocity,
- resource assessment

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References(26)

References

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