Quantification of Wave Model Uncertainties Used for Probabilistic Reliability Assessments of Wave Energy Converters

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Abstract

Wave models used for site assessments are subjected to model uncertainties, which need to be quantified when using wave model results for probabilistic reliability assessments. This paper focuses on determination of wave model uncertainties. Four different wave models are considered, and validation data are collected from published scientific research. The bias and the root-mean-square error, as well as the scatter index, are considered for the significant wave height as well as the mean zero-crossing wave period. Based on an illustrative generic example, this paper presents how the quantified uncertainties can be implemented in probabilistic reliability assessments.
Original languageEnglish
JournalJournal of Ocean and Wind Energy
Volume2
Issue number2
Pages (from-to)98-106
Number of pages9
ISSN2310-3604
DOIs
Publication statusPublished - 2015

Keywords

  • Reliability
  • Uncertainty
  • Wave models
  • Wave energy converter
  • Wave conditions
  • Wavestar

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