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Compressive spectral method for the simulation of the nonlinear gravity waves

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Date

2016-02-25

Author

Bayındır, Cihan

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Citation

Bayindir, C. (2016). Compressive spectral method for the simulation of the nonlinear gravity waves. Scientific Reports, 6 doi:10.1038/srep22100

Abstract

In this paper an approach for decreasing the computational effort required for the spectral simulations of the fully nonlinear ocean waves is introduced. The proposed approach utilizes the compressive sampling algorithm and depends on the idea of using a smaller number of spectral components compared to the classical spectral method. After performing the time integration with a smaller number of spectral components and using the compressive sampling technique, it is shown that the ocean wave field can be reconstructed with a significantly better efficiency compared to the classical spectral method. For the sparse ocean wave model in the frequency domain the fully nonlinear ocean waves with Jonswap spectrum is considered. By implementation of a high-order spectral method it is shown that the proposed methodology can simulate the linear and the fully nonlinear ocean waves with negligible difference in the accuracy and with a great efficiency by reducing the computation time significantly especially for large time evolutions.

Volume

6

URI

https://hdl.handle.net/11729/825
http://dx.doi.org/10.1038/srep22100

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  • Makale Koleksiyonu [87]
  • Makale Koleksiyonu [807]
  • Makale Koleksiyonu [708]
  • MF - Makale Koleksiyonu | İnşaat Mühendisliği Bölümü / Civil Engineering [28]



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