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Publisher DOI: 10.1088/1367-2630/16/5/053037
Title: Stochastic analysis of ocean wave states with and without rogue waves
Language: English
Authors: Hadjihosseini, Ali 
Peinke, Joachim 
Hoffmann, Norbert  
Keywords: extreme events;ocean waves;stochastic analysis methods
Issue Date: 21-May-2014
Publisher: Deutsche Physikalische Gesellschaft
Source: New Journal of Physics 5 (16): 053037 (2014-01-01)
Journal or Series Name: New journal of physics 
Abstract (english): This work presents an analysis of ocean wave data including rogue waves. A stochastic approach based on the theory of Markov processes is applied. With this analysis we achieve a characterization of the scale-dependent complexity of ocean waves by means of a Fokker-Planck equation, providing stochastic information on multi-scale processes. In particular, we show evidence of Markov properties for increment processes, which means that a three-point closure for the complexity of the wave structures seems to be valid. Furthermore, we estimate the parameters of the Fokker-Planck equation by parameter-free data analysis. The resulting Fokker-Planck equations are verified by numerical reconstruction. This work presents a new approach where the coherent structure of rogue waves seems to be integrated into the fundamental statistics of complex wave states. © 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
DOI: 10.15480/882.2776
ISSN: 1367-2630
Institute: Strukturdynamik M-14 
Type: (wissenschaftlicher) Artikel
Funded by: VolkswagenStiftung
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