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J. Ocean Eng. Technol. 2006;20(2):36-40.    

Wave-Induced Motions of a Floating Body in a Harbour
Lee Ho-Young;Kwak Young-Ki;Park Jong-Hwan;
Major in Naval Architecture and Marine System Engineering, Mokpo National University;Major in Naval Architecture and Marine System Engineering, Mokpo National University;Major in Naval Architecture and Marine System Engineering, Mokpo National University;
파랑에 의한 항만 내 부유체의 운동
이호영;곽영기;박종환;
목포대학교 선박해양시스템;목포대학교 선박해양시스템;목포대학교 선박해양시스템;
© 2006 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Velocity potential continuation method, Boundary element method, Harbour, Motion response, Floating body
핵심용어: 속도포텐셜 접속법, 경계 요소법, 항만, 운동응답, 부유체
Abstract
As large waves enter a harbor, during their propagation, the motions a floating body are large and if may even be damaged by waves. This phenomenon may be caused by harbor resonance, resulting from large motion at low wave frequency, which is close to the natural frequency of a vessel. In order to calculate the motion of a floating body in a harbor, it is necessary to use the wave forces containing the body-harbor interference. The simulation program to predict the motions of a floating body by waves in a harbor is developed, and this program is based on the method of velocity potential contiuation method proposed by Ijima and Yoshida The calculated results are shown by the variation of wave frequency, wave angle, and the position of a floating body.


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