Vibration analysis of fiuid - Structure interaction problem (1 St report; Analytical procedure using boundary element method and modal analysis technique)

Kazuhide Ohta, Koji Kagawa, Iwao Honda

研究成果: ジャーナルへの寄稿記事

抄録

This paper presents the numerical procedure for solving the fluid-structure interactive vibration of a three dimensional structure with complicated configuration such as ship structures,offshore structures and so on. This numerical analysis procedure consists of the following three steps (a) Experiment or finite element numerical code enables us to obtain the preliminary dynamic characteristics of the structure without fluid inertia effect or with lumped added mass approximating the fluid inertia effect. (b) Boundary element method determines the added mass matrix of fluid surrounding the structure whose surface has three dimensional and complicated configuration (c) Modal analysis technique combines the added mass matrix of fluid with the preliminary dynamic characteristics of the structure and leads to obtain the final results of fluid-structure interactive vibration. In the case of using the preliminary result with approximated lumped mass, lumped mass is to be subtracted from the added mass matrix of fluid.

元の言語英語
ページ(範囲)1690-1696
ページ数7
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
51
発行部数467
DOI
出版物ステータス出版済み - 1 1 1985

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Vibration analysis
Modal analysis
Boundary element method
Fluids
Offshore structures
Numerical analysis
Ships
Experiments

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

これを引用

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