Journal
MARINE STRUCTURES
Volume 33, Issue -, Pages 71-99Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.marstruc.2013.04.004
Keywords
Ship hydroelasticity; Fully coupled analysis; Rankine panel method; Finite element method; Direct time integration
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Funding
- The LRET*-Funded Research Center at SNU for Fluid-Structure Interaction
- Office of Naval Research [N00014-08-1-1085]
- Daewoo Shipbuilding and Marine Engineering
- Hyundai Heavy Industry
- Korean Register
- Samsung Heavy Industry
- STX offshore and shipbuilding, Korea
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This paper considers the problem of ship hydroelasticity, which is an important technical issue in the design of ultra-large vessels. For the analysis of fluid-structure interaction problems, a partitioned method is applied. The fluid domain surrounding a flexible body is solved using a B-spline Rankine panel method, and the structural domain is handled with a three-dimensional finite element method. The two distinct methods are fully coupled in the time domain by using an implicit iterative scheme. The numerical results of natural frequency and the motion responses of simple and segmented barges are computed to validate the present method through comparisons with experimental and numerical results. This study extends to the application to two real ships, 6500 TEU and 10,000 TEU containerships, for more validation and also observation on the practicality of the present method. Based on this study, it is found that the present method provides reliable solutions to linear ship hydroelasticity problems. (C) 2013 Elsevier Ltd. All rights reserved.
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