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J. Ocean Eng. Technol. 2000;14(4):1-8.    

Nonlinear Response Analyses for a Barge-Mounted Plant with Dolphin Mooring Systems in Irregular Waves
불규칙파 중에서 돌핀 계류된 바아지식 해상공장에 대한 비선형 응답 해석
이호영,신현경,염재선
울산대학교 수송시스템공학부,울산대학교 수송시스템공학부,목포대학교 선박해양공학과
© 2000 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Time domain, Retadation function, Newmark ${eta}$method, Second order wave drift forces, Dolphin mooring system, Nonlinear responses, Barge-Mounted Plant
핵심용어: 시간영역, 기억효과 함수, 뉴막 베타 방법, 2차항 파표류력, 돌핀 계류 시스템, 비선형 응답, 바아지식 해상공장
Abstract
The time simulation of motion responses of dolphin-moored BMP in waves is presented. The equation of motion based on Cummin's theory of impulse responses are employed, and solved in time domain by using the Newmark $eta$ method. The hydrodynamic coefficient and first order wave exciting forces involved in the equations are obtained from a three-dimensional panel method in the frequency domain. The second order wave drift forces and mooring for dolphin system are taken into account. As for numerical example, time domain analysis are carried out for a BMP in irregular wave condition.


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