Fully Nonlinear Numerical Wave Tank
Computations Of Wave Loads On An Array Of
Bottom Mounted Circular Cylinders
Author(s)
F. D'Este, R. Codiglia and G. Contento
Abstract
The aim of this study is to analyse the nonlinear effects in the interaction
between regular waves and a 4 column structure by means of the fully nonlinear
3D Numerical Wave Tank method. In particular the attention is focused on the
frequency analysis of the results in the ka range where Malenica et al. [1] have
shown the possibility of occurrence of the second order near trapping
phenomenon. The specific case analysed corresponds to a radius to wavelength
ratio or ka parameter 4 times smaller than that causing first order near trapping.
It will be shown that even in small steepness waves, the Fourier analysis applied
to the wave elevation in the zone between the cylinders reveals the presence of
large magnification factors of the second harmonic component.
Introduction
Keywords
Related Book
Other papers in this volume
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