Wave Formation about a Ship Bow Advancing in Head Seas

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  • Wave Formation about a Ship Bow Advanci

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The diffraction of regular waves by an advancing ship bow is studied both experimentally and numerically. The diffracted wave patterns are visualized by wave pattern pictures and the wave formation is analysed by the grid-projection method. Significant effects of nonlinearity are found, in particular occurrence of circular detached or oblique attached stationary waves depending on the Froude number. Numerical simulations of this nonlinear wave for mation about a bow are undertaken by a finite-difference method based on the Navier-Stokes equation. The computed features are in good qualitative agreement with the measurement.

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