Research on wave prediction method based on nonlinear Schrödinger equation

Zhang Xinyu; Han Jia; Wang Xiao; Shi Aiguo

doi:10.3969/j.issn.0253-4193.2019.11.002

Volume 41 Issue 11

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Zhang Xinyu，Han Jia，Wang Xiao, et al. Research on wave prediction method based on nonlinear Schrödinger equation[J]. Haiyang Xuebao，2019, 41(11)：15–24，doi:10.3969/j.issn.0253−4193.2019.11.002

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Research on wave prediction method based on nonlinear Schrödinger equation

doi: 10.3969/j.issn.0253-4193.2019.11.002

Zhang Xinyu^1
,,
Han Jia²,
Wang Xiao^{1
,
,},
Shi Aiguo¹

1.
Dalian Naval Academy, Dalian 116018, China
2.
PLA Unit of 31010, Beijing 100081, China

Received Date: 2018-08-19
Rev Recd Date: 2019-02-02

Available Online: 2021-04-21

Publish Date: 2019-11-25

Abstract

Abstract

In order to study the real-time prediction method of ocean wave information, some theoretical derivation is made based on inverse scattering transformation of cubic Schrödinger equation, and a method to calculate eigenvalues from measured wave height time series is given. Then the calculated eigenvalues are used to predict spatial-temporal evolution of wave envelope. The predictions are then compared with measured time series, the results show the method has good effectiveness and accuracy. This method can provide support for big wave warning of ships or offshore platform, and time windows seeking for offshore operation under heavy sea.
- nonlinear Schrödinger equation,
- inverse scattering transform,
- eigenvalues,
- predict

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References(10)

References

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