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고차 스펙트랄 기법을 이용한 수치 수조 시뮬레이션 연구

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dc.contributor.author오승훈-
dc.contributor.author정재환-
dc.contributor.author조석규-
dc.date.accessioned2021-12-08T07:42:12Z-
dc.date.available2021-12-08T07:42:12Z-
dc.date.issued20201105-
dc.identifier.urihttps://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/2325-
dc.description.abstractIn this study, the numerical wave tank was developed using a higher-order Spectral method and its characteristics were analyzed. The higher-order spectral method is known as a very efficient technique because it uses Fast Fourier transform(FFT) to calculate the boundary value problem without matrix operation. The cosine function was used as a pseudo-spectral basis to treat the wall boundary condition of the numerical wave tank. Also, the additional potential technique was introduced to reflect the boundary condition of the wavemaker. The results of numerical simulation applied with linear free surface boundary conditions were compared with the analytic solution of the wavemaker theory to validate the additional potential technique. A wave generation simulation applied the third-order nonlinear approximation method and the HOS method to the free surface boundary conditions, respectively, was performed and compared with the analytic solution. The characteristics of each technique were analyzed through the comparison results.-
dc.language한국어-
dc.language.isoKOR-
dc.title고차 스펙트랄 기법을 이용한 수치 수조 시뮬레이션 연구-
dc.title.alternativeStudy of numerical tank simulation using a higher-order spectral method-
dc.typeConference-
dc.citation.title2020년도 대한조선학회 정기총회 및 추계학술대-
dc.citation.volume1-
dc.citation.number1-
dc.citation.startPage1-
dc.citation.endPage5-
dc.citation.conferenceName2020년도 대한조선학회 정기총회 및 추계학술대-
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친환경해양개발연구본부 (심해공학연구센터)
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