Development of Deep Draught Semisubmersible Shape

J. Ocean Eng. Technol. 2008;22(5):138-141.

Lee Jin-Ho,Lee June-Young,Kim Byung-Woo

Samsung Heavy Industry Ltd Marine Research Institute,Samsung Heavy Industry Ltd Offshore Engineering Team,Samsung Heavy Industry Ltd Marine Research Institute

심흘수 반잠수식 해양구조물 (DDS) 형상 개발 연구

이진호,이준영,김병우

삼성중공업 조선해양연구소,삼성중공업 해양기본설계,삼성중공업 조선해양연구소

Keywords: Deep draught semisubmersible, Heave motion response, Down-time, Heave damper, Column size

핵심용어: 심흘수 반잠수식 해양구조물, 상하운동응답, 휴지 시간, 상하운동저감구조물, 컬럼사이즈

Abstract

This paper treats the development of a new type of deep draught semisubmersible offshore structural shape that has excellent heave motion response and less down-time. This new type of semisubmersible shape is characterized by heave dampers at each pontoon corner and appropriate column size adjustment to achieve the desired cancellation and resonance motion period. It was found that the final model had efficient workability, based on the wavescatter diagrams for the GoM and North Atlantic ocean, due to less heave motion, although the specific heave response at the 100 year return period wave condition in the North Atlantic was more or less increased.