Analysis of wave-drift damping of a VLFS with shallow draft

Eiichi Watanabe, Tomoaki Utsunomiya, Akira Kubota

研究成果: Contribution to journalArticle査読

10 被引用数 (Scopus)


Numerical analysis of the wave-drift damping of VLFS as a floating elastic plate is presented. The source distribution method is used to analyze the drift force of the floating plate advancing with low-forward speed in waves. In the analysis, the shallow-draft assumption of the floating body is utilized; this assumption leads to the neglect of the steady disturbance field, which simplifies the analysis to a great extent. The consideration of the elastic deformation is made by modal expansion of the response, and the unit-amplitude radiation potentials are computed for each mode. The numerical results have confirmed that the wave-drift damping will have appreciable magnitude at the frequency region where the slow-drift oscillations are dominant. The formula for the wave-drift damping proposed by Aranha has been compared with the present numerical results, but fundamental disagreement has been observed as reported by Finne and Grue.

ジャーナルMarine Structures
出版ステータス出版済み - 1 1 2000

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Ocean Engineering
  • Mechanics of Materials
  • Mechanical Engineering

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