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파랑 중 선박의 2자유도 운동해석을 위한 중첩격자 기반의 수치해법
허재경(J.-K. Heo),옥유빈(Y.-B. Ock),박종천(J.-C. Park),정세민(S.-M. Jeong),秋元博路(H. Akimoto) 한국전산유체공학회 2015 한국전산유체공학회지 Vol.20 No.3
This paper introduces a computational method for analysis of the 6-DOF motions of a ship in waves using an overset grid technique which consists of inner and outer domains for representing body motions and numerical wave tank, respectively. High order interpolation scheme is employed to increase numerical accuracy over the interface where physical values, such as velocities and pressure, interact between the inner and outer domains. The numerical schemes and algorithm are addressed in the present paper. An application to motion of KCS container carrier in head waves is presented, and the comparison of responses on heave and pitch motions shows good agreement with those of model tests.