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Finite-Element Method for the Hydroelastic Response of Very Large Floating Structure in Water of Variable Depth

[+] Author Affiliations
J. H. Kyoung, S. Y. Hong, B. W. Kim, S. K. Cho

Korea Research Institute of Ships and Ocean Engineering, Daejeon, Korea

K. J. Bai

Seoul National University, Seoul, Korea

Paper No. OMAE2005-67084, pp. 357-364; 8 pages
doi:10.1115/OMAE2005-67084
From:
  • ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
  • 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2
  • Halkidiki, Greece, June 12–17, 2005
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4196-0 | eISBN: 0-7918-3759-9
  • Copyright © 2005 by ASME

abstract

Finite element method is applied to investigate the influence of varying sea-bottom topography on the hydroelastic response of the Very Large Floating Structures (VLFS). A floating structure is modeled as a thin plate with uniform stiffness. The hydroelastic responses of a pontoon-type VLFS are analyzed by the mode superposition method. To enhance the satisfaction of free edge condition a set of orthogonal function is adopted as the mode function instead of well-known free-free beam mode. An influence on the hydroelastic response by the sea-bottom is observed in the numerical computations and the experimental measurements.

Copyright © 2005 by ASME

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