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Motion-based wave estimation: Small-scale tests with a crane-barge model
Abstract This paper provides additional validation to the problem of estimating wave spectra based on the first-order motions of a moored vessel. Prior investigations conducted by the authors have attested that even a large-volume ship, such as an FPSO unit, could be adopted for on-board estimation of the wave field. The obvious limitation of the methodology concerns filtering of high-frequency wave components, for which the vessel has no significant response. As a result, the estimation range is directly dependent on the characteristics of the vessel response. In order to extend this analysis, further small-scale tests were performed with a model of a pipe-laying crane-barge. When compared to the FPSO case, the results attest that a broader range of typical sea states can be accurately estimated, including crossed-sea states with low peak periods.
Motion-based wave estimation: Small-scale tests with a crane-barge model
Abstract This paper provides additional validation to the problem of estimating wave spectra based on the first-order motions of a moored vessel. Prior investigations conducted by the authors have attested that even a large-volume ship, such as an FPSO unit, could be adopted for on-board estimation of the wave field. The obvious limitation of the methodology concerns filtering of high-frequency wave components, for which the vessel has no significant response. As a result, the estimation range is directly dependent on the characteristics of the vessel response. In order to extend this analysis, further small-scale tests were performed with a model of a pipe-laying crane-barge. When compared to the FPSO case, the results attest that a broader range of typical sea states can be accurately estimated, including crossed-sea states with low peak periods.
Motion-based wave estimation: Small-scale tests with a crane-barge model
Tannuri, Eduardo A. (author) / Simos, Alexandre N. (author) / Sparano, João V. (author) / Matos, Vinícius L.F. (author)
Marine Structures ; 28 ; 67-85
2012-05-05
19 pages
Article (Journal)
Electronic Resource
English
Motion-based wave estimation: Small-scale tests with a crane-barge model
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