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유탄성 해석을 통한 초대형 부유식 구조물의 구조특성 검토

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dc.contributor.author홍사영-
dc.contributor.author조석규-
dc.contributor.author김진하-
dc.contributor.author박성환-
dc.date.accessioned2021-12-09T01:40:32Z-
dc.date.available2021-12-09T01:40:32Z-
dc.date.issued20030401-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/7358-
dc.description.abstractDetermination of an appropriate structural stiffness of VLFS(Very Large Floating Structure) in initial design is very important not only for safety assessment but for operational effectiveness. Unlike ships and offshore structure to which rule scantling is applicable in initial design of structural member, there is no practical design guide applicable to VLFS yet. Due to lack of sufficient experience in design of VLFS, we have to tackle the initial structural design of VLFS in direct analysis. Since the global structural integrity is much more important than the local structural strength for such huge structures, direct analysis is prerequisite in structural design of VLFS. Furthermore, it is well known that elastic deformation of VLFS influences hydrodynamic loads and responses of the structure. In order to determine initial structural stiffness of pontoon structures, characteristics of wave loads and corresponding structural stress distributions are investigated for various combinations of size and stiffness of the structures. An eigenfunction expansion method is applied to hydroelastic analysis and Kirchhoff plate theory is used for estimation of wave bending moment and stress. It is shown that an optimal structural stiffness can be obtained through a series of parametric study. It is also shown that there exists a critical structural stiffness even if the size of the structure becomes very large when elastic deformation is considered in structural design.-
dc.language한국어-
dc.language.isoKOR-
dc.title유탄성 해석을 통한 초대형 부유식 구조물의 구조특성 검토-
dc.title.alternativeInvestigation of structural safety characteristics of VLFS by using hydroelastic analysis-
dc.typeConference-
dc.citation.title대한조선학회논문집-
dc.citation.volume40-
dc.citation.number2-
dc.citation.startPage1-
dc.citation.endPage7-
dc.citation.conferenceName대한조선학회논문집-
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