Topic
Rogue wave
About: Rogue wave is a research topic. Over the lifetime, 2977 publications have been published within this topic receiving 70933 citations. The topic is also known as: freak wave & monster wave.
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TL;DR: Robustness of the long-lived analytical solutions describing modulated trapped waves and solitary wave groups is verified by direct numerical simulations of potential Euler equations, suggesting a potentially higher probability of rogue waves.
Abstract: Nonlinear dynamics of surface gravity waves trapped by an opposing jet current is studied analytically and numerically. For wave fields narrow band in frequency but not necessarily with narrow angular distributions the developed asymptotic weakly nonlinear theory based on the modal approach of Shrira and Slunyaev [J. Fluid. Mech. 738, 65 (2014)] leads to the one-dimensional modified nonlinear Schr\"odinger equation of self-focusing type for a single mode. Its solutions such as envelope solitons and breathers are considered to be prototypes of rogue waves; these solutions, in contrast to waves in the absence of currents, are robust with respect to transverse perturbations, which suggests a potentially higher probability of rogue waves. Robustness of the long-lived analytical solutions describing modulated trapped waves and solitary wave groups is verified by direct numerical simulations of potential Euler equations.
29 citations
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01 Jan 1979
TL;DR: In this paper, the authors present the use of aircraft in the observation of One-and Two-Dimensional Ocean Wave Spectra from Wave Sensors and Data Buoy Wave Measurements.
Abstract: I. Wave Models and Wave Data Applications.- Providing Winds for Wave Models.- Practical Determinations of Design Wave Conditions.- State-of-the-Art Wave Prediction Methods and Data Requirements.- Wave Data Requirements for Ship Design and Operation.- Extreme Waves and Loadings on Floating Vessels.- II. Wave Measurements.- Ocean Surface Features Observed by HF Coastal Ground-Wave Radars: A Progress Review.- A Compact Transportable HF Radar System for Directional Coastal Wave Field Measurements.- Synthetic Aperture HF Radar Wave Measurement Experiments.- High Frequency Skywave Measurements of Waves and Currents Associated with Tropical and Extratropical Storms.- An Assessment of GEOS-3 Wave Height Measurements.- On the Use of Aircraft in the Observation of One- and Two-Dimensional Ocean Wave Spectra.- Directional Spectra from Wave Sensors.- Data Buoy Wave Measurements.- Measuring the Nearshore Wave Climate, California Experience.- A Note on the Wave Climatology of United Kingdom Waters.- III. Recommendations of Symposium Working Groups.- Coastal and Ocean Engineering Applications for Wave Data with Emphasis on Structure Design.- Applications of Wave Data to Ship Design and Ship Routing.- Wave Data Requirements for Coastal Processes Studies.- Use of Wave Data for Developing and Verifying Wave Forecasting and Hindcasting Models.- Radar Wave Measurements.- Wave Measurements from Buoys.- Wave Measurements from Offshore Platforms.- Nearshore Wave Measurements.- Summaries of Presentations by the U.S. Army Corps of Engineers.- Other Government Wave Programs.- List of Contributors and Participants.
28 citations
TL;DR: In this article, the dynamics of superposed nonlinear waves in coherently coupled Gross-Pitaevskii (CCGP) equations with constant and time varying nonlinearity coefficients are studied.
28 citations
TL;DR: In this article, a combined wave-dam-breaking (CWDB) model was proposed to reveal the formation mechanisms of rogue waves, by including the influence of the rogue wave propagation as well as the delayed effect of the dam-breaking problem.
28 citations
TL;DR: In this article, the authors define a horizon of predictability for oceanic rogue waves and derive, via extensive computational experiments, a statistically converged predictability time scale for these structures, which is a function of the sea state (i.e., severity of the ambient ocean waves), the height of the anticipated rogue wave, and the level of uncertainties in the ocean measurements.
Abstract: Prediction is a central goal and a yet-unresolved challenge in the investigation of oceanic rogue waves. Here we define a horizon of predictability for oceanic rogue waves and derive, via extensive computational experiments, a statistically converged predictability time scale for these structures. We show that this time scale is a function of the sea state (i.e., severity of the ambient ocean waves), the height of the anticipated rogue wave, and the level of uncertainties in the ocean measurements. The presented predictability time scale establishes a quantitative metric on the combined temporal effects of the variety of mechanisms that together lead to the formation of a rogue wave and is crucial for the assessment of validity of rogue wave predictions, as well as for the critical evaluation of results from the widely used model equations.
28 citations