강성분포의 변화가 초대형 부유식 구조물의 유탄성응답에 미치는 영향 고찰Influences of Stiffness Distributions on Hydroelastic Responses of Very Large Floating Structures
- Other Titles
- Influences of Stiffness Distributions on Hydroelastic Responses of Very Large Floating Structures
- Authors
- 김병완; 홍사영; 경조현; 조석규
- Issue Date
- 2005
- Publisher
- 대한조선학회
- Keywords
- VLFS(초대형 부유식 구조물); Hydroelastic Responses(유탄성응답); Direct Method(직접법); Stiffness Distribution(강성분포)
- Citation
- 대한조선학회 논문집, v.42, no.3, pp 220 - 232
- Pages
- 13
- Journal Title
- 대한조선학회 논문집
- Volume
- 42
- Number
- 3
- Start Page
- 220
- End Page
- 232
- URI
- https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/1662
- ISSN
- 1225-1143
- Abstract
- Influences of stiffness distributions on hydroelastic responses of very large floating
structures (VLFS) are studied in this paper. Hydroelastic responses are calculated by direct
method employing higher-order boundary element method (HOBEM) for fluid analysis and
finite element method (FEM) for structure analysis. In structural analysis using FEM, Mindlin
plate elements are used. An 1 km-long VLFS with uniform stiffness and modified VLFS with
varying stiffness distributions are considered in numerical analysis. Responses of VLFS
increase in flexible parts and decrease in stiff parts. Reduction degree of displacements of
VLFS with stiffened center is larger than that of VLFS with stiffened sides.
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