Dynamic response of oscillating flexible risers under lock-in events

Carlos Alberto Riveros, Tomoaki Utsunomiya, Katsuya Maeda, Kazuaki Itoh

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

A highly nonlinear response and a self-regulated process are usually associated to the dynamic response of a flexible riser. In addition, the formation of vortices shedding from the riser related to Vortex-Induced Vibration (VIV) may adversely affect its structural integrity. In this paper a response prediction model for oscillating flexible risers is presented. It is based on the Finite Element Method (FEM) and a harmonic model for the prediction of the cross-flow forces. An increased mean drag coefficient model and amplitude-dependent lift coefficients are also considered. The simulation results are compared with experimental data obtained from a 35-meter riser model. Good agreement in amplitude response is observed in these comparisons.

本文言語英語
ホスト出版物のタイトルProceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
ページ2730-2737
ページ数8
出版ステータス出版済み - 2007
外部発表はい
イベント17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007 - Lisbon, ポルトガル
継続期間: 7 1 20077 6 2007

出版物シリーズ

名前Proceedings of the International Offshore and Polar Engineering Conference
ISSN(印刷版)1098-6189
ISSN(電子版)1555-1792

その他

その他17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
国/地域ポルトガル
CityLisbon
Period7/1/077/6/07

All Science Journal Classification (ASJC) codes

  • エネルギー工学および電力技術
  • 海洋工学
  • 機械工学

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