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Cargo Ship Aft Panel Stresses Prediction by Deconvolution by Oleg Gaidai; Kelin Wang; Fang Wang; Yihan Xing; Ping Yan is a Engineering article available to read on EtoBox.

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This article introduces novel extreme value prediction method that can be used for a variety of offshore engineering applications. First, to demonstrate the novel method, fictitious data from a non-linear Duffing oscillator and measured wave heights were used as examples. The second incident included a container ship that experienced significant deck panel strains while traveling across the Atlantic Ocean in bad weather. The main concern for cargo ship transportation is potential loss of container owing to violent movements. It is challenging to model such a situation because waves and ship motions are both non-stationary and complicatedly nonlinear. Extreme motions greatly increase the role of nonlinearities, activating effects of second and higher order. Furthermore, due to the scaling and the choice of sea state, laboratory testing may also be called into doubt. Therefore, data collected from actual ships during difficult weather voyages offers a special perspective on the statistics of ship motions. This paper aims to highlight an alternative method of extrapolation that is based on intrinsic properties of the data set itself and does not assume any extrapolation functional cla

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Author

Oleg Gaidai; Kelin Wang; Fang Wang; Yihan Xing; Ping Yan

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)