Intermittent Kinematics for Nonlinear Random Waves Near Ocean Surface

by Sau-Lon James Hu, Univ of Rhode Island, Kingston, United States,
Dongsheng Zhao, Univ of Rhode Island, Kingston, United States,

Document Type: Proceeding Paper

Part of: Engineering Mechanics


Taking into account the fluctuations of the free surface for points in the vicinity of the still water level, this study analytically calculates the first four moments of wave velocity using second order random wave theory. Numerical studies are conducted for both linear and nonlinear random waves, in which the wave spectrum is characterized by a Pierson-Moskowitz (P-M) formulation. It is found that linear and nonlinear solutions are noticeably different.

Subject Headings: Surface waves | Ocean waves | Nonlinear waves | Random waves | Numerical analysis | Kinematic waves | Wave spectrum | Linear functions

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