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직교 격자계 기반 유동해석기법을 이용한 파랑 중 해양구조물의 운동 해석

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dc.contributor.author남보우-
dc.contributor.author김용환-
dc.contributor.author양경규-
dc.contributor.author홍사영-
dc.contributor.author성홍근-
dc.date.accessioned2023-12-22T07:31:04Z-
dc.date.available2023-12-22T07:31:04Z-
dc.date.issued2012-
dc.identifier.issn1225-0767-
dc.identifier.issn2287-6715-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/7892-
dc.description.abstractThis paper presents a numerical study of the wave loads acting on offshore structures using a Cartesian­grid­based flow simulation method. Finite volume discretization with a volume­of­fluid (VOF) method is adopted to solve two­phase Navier­Stokes equations. Among the many variations of the VOF method, the CICSAM scheme is applied. The body boundary conditions are satisfied using a porosity function, and wave generation is carried out by using transient (wave or damping) zone approaches. In order to validate the present numerical method, three different basic offshore structures, including a sphere, Pinkster barge, and Wigley model, are numerically investigated. First, diffraction and radiation problems are solved using the present numerical method. The wave exciting and drift forces from the diffraction problems are compared with potential­based solutions. The added mass and wave damping forces from the radiation problems are also compared with the potential results. Next, the wave­induced motion responses of the structures are calculated and compared with the existing experimental data. The comparison results are fairly good, showing the validity of the present numerical method.-
dc.format.extent7-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국해양공학회-
dc.title직교 격자계 기반 유동해석기법을 이용한 파랑 중 해양구조물의 운동 해석-
dc.title.alternativeNumerical Study on Wave­induced Motion of Offshore Structures Using Cartesian­grid based Flow Simulation Method-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.bibliographicCitation한국해양공학회지, v.26, no.6, pp 7 - 13-
dc.citation.title한국해양공학회지-
dc.citation.volume26-
dc.citation.number6-
dc.citation.startPage7-
dc.citation.endPage13-
dc.identifier.kciidART001720589-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthorOffshore Structure 해양구조물-
dc.subject.keywordAuthorCartesian-grid 직교 격자계-
dc.subject.keywordAuthorWave-induced Motion 파랑운동-
dc.subject.keywordAuthorFlow Simulation Method 유동해석기법-
dc.subject.keywordAuthorWave excitation force 파랑 기진력-
dc.subject.keywordAuthorAdded mass 부가질량-
dc.subject.keywordAuthorWave damping 파랑 감쇠-
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