Hydroelastic analysis of a hybrid-type VLFS in water of variable depth

Tomoaki Utsunomiya, Takatoshi Noguchi, Tadasu Kusaka, Eiichi Watanabe, Syuji Yamamoto, Tatsunori Ogamo

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

6 被引用数 (Scopus)

抄録

This paper presents a hydroelastic analysis of a hybrid-type VLFS in variable sea depth. The VLFS model is the prototype of a floating runway with dimension 3120m in length, 524m in width, 1.5m in draft for pontoon part and 11.5m in draft for semisubmersible part. A three dimensional Finite Element model using beams and quadrilateral plate elements are used in the hydroelastic analysis in order to obtain an accurate approximation. An equivalent plate model having the same eigenfrequencies and eigenmodes in air is also used in the analysis. The results using the 3D model and the plate model have been compared and their agreement is satisfying. In order to examine the variable sea depth at the expected site, the hydroelastic analysis is carried out for a flat bottom, a constant slope, and a variable sea depth case. The effect of variable sea depth is found to be significant.

本文言語英語
ホスト出版物のタイトル2008 Proceedings of the 27th International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2008
ページ733-742
ページ数10
DOI
出版ステータス出版済み - 2008
外部発表はい
イベント27th International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2008 - Berlin, ドイツ
継続期間: 6 9 20086 13 2008

出版物シリーズ

名前Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
3

その他

その他27th International Conference on Offshore Mechanics and Arctic Engineering, OMAE 2008
国/地域ドイツ
CityBerlin
Period6/9/086/13/08

All Science Journal Classification (ASJC) codes

  • 海洋工学
  • エネルギー工学および電力技術
  • 機械工学

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