Height-length Joint Distributions for Computation of Static Wave Loading on Floating Bodies

Jesper Rydén, Sylvie Van Iseghem, Michel Olagnon, Igor Rychlik

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Abstract

We present a method for the estimation of the distribution of the quasi-static hogging-bending moment for a floating body. Starting points of this study are temporal characteristics of the sea state. The approximation is deduced from the estimation of the joint distribution of crest amplitude and crest length. The quality of the model is investigated by comparing computed distributions with empirical ones, originating from real measurements on which a Fourier snapshot-method has been applied. The question on how precise the representation of the sea state (the entire wave spectrum or only reduced parameters) needs to be in order to obtain proper densities for crest amplitude and crest length is also addressed.
Original languageEnglish
Title of host publicationProceedings of the International Offshore and Polar Engineering Conference
PublisherInternational Society of Offshore and Polar Engineers
Pages12-17
Volume12
Publication statusPublished - 2002
EventProceedings of the Twelfth (2002) International Offshore and Polar Engineering Conference - Kitakyushu, Japan
Duration: 2002 May 262002 May 31

Publication series

Name
Volume12

Conference

ConferenceProceedings of the Twelfth (2002) International Offshore and Polar Engineering Conference
Country/TerritoryJapan
CityKitakyushu
Period2002/05/262002/05/31

Subject classification (UKÄ)

  • Probability Theory and Statistics

Keywords

  • Joint distribution
  • Crest amplitude
  • Spectral shape

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