Ultimate loads and fatigue damage convergence of floating wind turbine components

Salem Okpokparoro, Srinivas Sriramula

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Turbulent wind and stochastic waves—the main sources of environmental loading on floating wind turbine (FWT) structural components, significantly contribute to uncertainty in the characterisation of design load values. Given there is an infinite number of possible realizations of these environmental states, a minimal number of wind and wave seeds that ensures an acceptable convergence of ultimate loads and fatigue damage is sought. Especially as this uncertainty undermines the robustness of reliability calculations. This paper addresses this issue by carrying out in-depth statistical bootstrap analysis. Recommendations on the minimum number of wind and wave seeds are subsequently made at 95% confidence level.

Original languageEnglish
Title of host publicationProceedings of the 30th European Safety and Reliability Conference and the 15th Probabilistic Safety Assessment and Management Conference
EditorsPiero Baraldi, Francesco Di Maio, Enrico Zio
PublisherResearch Publishing, Singapore
Pages1004-1010
Number of pages7
ISBN (Print)9789811485930
DOIs
Publication statusPublished - 2020
Event30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM15 2020 - Venice, Italy
Duration: 1 Nov 20205 Nov 2020

Publication series

NameProceedings of the 30th European Safety and Reliability Conference and the 15th Probabilistic Safety Assessment and Management Conference

Conference

Conference30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM15 2020
CountryItaly
CityVenice
Period1/11/205/11/20

Keywords

  • Bootstrap analysis
  • Fatigue damage
  • Floating wind turbine
  • Ultimate loads

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