Simplified model for offshore wind turbines with variable cross-section towers

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

Abstract

In this study, a rigid-base single-degree-of-freedom structural model was proposed for the wind turbine with a linearly variable cross-section tower. Additionally, the concentrated spring model was introduced to simulate the flexibility of grout connection at the transition piece as well as the monopile foundation for structural modelling of an offshore wind turbine. Thus, the close-form solution of its natural frequency was accordingly obtained and was verified satisfactory. This simplified model was then used to exhibit the influence of the grout connection failure and the foundation scour on the natural frequency of wind turbine structures, showing its applicability to damage detection.

Original languageEnglish
Title of host publicationProceedings of the 29th International Ocean and Polar Engineering Conference, ISOPE 2019
EditorsJin S. Chung, Odd M. Akselsen, HyunWoo Jin, Hiroyasu Kawai, Yongwon Lee, Dmitri Matskevitch, Suak Ho Van, Decheng Wan, Alan M. Wang, Satoru Yamaguchi
PublisherInternational Society of Offshore and Polar Engineers
Pages262-268
Number of pages7
ISBN (Print)9781880653852
Publication statusPublished - 2019
Event29th International Ocean and Polar Engineering Conference, ISOPE 2019 - Honolulu, United States
Duration: 2019 Jun 162019 Jun 21

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
Volume1
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Conference

Conference29th International Ocean and Polar Engineering Conference, ISOPE 2019
CountryUnited States
CityHonolulu
Period19-06-1619-06-21

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Ocean Engineering
  • Mechanical Engineering

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