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다양한 강성분포를 갖는 VLFS의 유탄성응답 고찰Investigation on the Hydroelastic Responses of VLFS with Various Stiffness Distribution
- Other Titles
- Investigation on the Hydroelastic Responses of VLFS with Various Stiffness Distribution
- Issue Date
- 10월-2004
- Publisher
- KRISO
- Keywords
- VLFS; hydroelastic response; stiffness distribution
- Citation
- 선박해양기술, v.38, no.1, pp 9 - 16
- Pages
- 8
- Journal Title
- 선박해양기술
- Volume
- 38
- Number
- 1
- Start Page
- 9
- End Page
- 16
- Abstract
- This paper investigates the hydroelastic responses of very large floating structures (VLFS) for various stiffness distribution. Since the floating body considered in this paper is a very large plate structure, elastic model considering flexibility is valid instead of rigid body model in numerical analysis. The effect of hydrostatic stiffness, added mass and hydro-radiation damping due to fluid flow is also considered in the analysis. Hydroelastic responses are calculated by direct method. Higher-order boundary element method (HOBEM) is employed in the analysis of fluid flow and the plate structure is analyzed by finite element method (FEM) using Mindlin plate elements. An 1 km-long VLFS is considered in numerical analysis.
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