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Journal article

A Study on Parametric Wave Estimation Based on Measured Ship Motions

By Nielsen, Ulrik Dam1,2; Iseki, Toshio3

From

Coastal, Maritime and Structural Engineering, Department of Mechanical Engineering, Technical University of Denmark1

Department of Mechanical Engineering, Technical University of Denmark2

Tokyo University of Marine Science and Technology3

The paper studies parametric wave estimation based on the ‘wave buoy analogy’, and data and results obtained from the training ship Shioji-maru are compared with estimates of the sea states obtained from other measurements and observations. Furthermore, the estimating characteristics of the parametric model are discussed by considering the results of a similar estimation concept based on Bayesian modelling.

The purpose of the latter comparison is not to favour the one estimation approach to the other but rather to highlight some of the advantages and disadvantages of the two approaches.

Language: English
Year: 2011
Pages: 171-177
ISSN: 21873275 and 03887405
Types: Journal article
ORCIDs: Nielsen, Ulrik Dam
Keywords

Full-scale ship motion measurements Nonlinear optimisation Onboard wave estimation Parameterised wave spectra Seakeeping

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