지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The installation phase for a topside module suggested can be divided into 9 stages, which include start, pre-lifting, lifting, lifted, rotating, positioning, lowering, mating, and end of installation. The transfer of the topside module from a transport barge to a crane vessel takes place in the first three stages, from start to lifting, while the transfer of the module onto a floating spar hull occurs in the last three stages, from lowering to the end. The coupled multi-body motions are calculated in both calm water and in irregular waves with significant wave height (1.52 m), with suggested force equilibrium diagrams. The effects if the hydrodynamic interactions between the crane vessel and barge during the lifting stage have been considered. The internal forces caused by the load transfer and ballasting are derived for the lifting phases. The results of these internal forces for the calm water condition are compared with those in the irregular sea condition. Although the effect of pitch motion on the relative vertical motion between the deck of the floating structure and the topside module is significant in the lifting phases, the internal force induced pitch motion is too small to show its influence. However, the effect of the internal force on the wave-induced heave responses in the lifting phases is noticeable in the irregular sea condition because the transfer mass-induced draught changes in the floating structure are observed to have higher amplitudes than the external force induced responses.
목차
ABSTRACT
1. Introduction
2. Equations of Motion
3. Numerical Computations
4. Conclusion
References
참고문헌 (5)
참고문헌 신청
1. [학술지(정기간행물)] - Chan, H.S / 2003 / Global Wave Loads on Intact and Damaged Ro-Ro Ships in Regular Oblique Waves / Marine Structures 16 (4) : 323 ~ 344
2. [학술대회논문] - Choo, Y.S / 1993 / A Knowledgebased Approach to Design for Heavy Lift / Offshore 93, 3rd Intl Conf, Installation of Major Offshore Structures and Equipment, Feb., 1993, London, UK, ppr 8 : 83 ~ 97
3. [학술지(정기간행물)] - Cveticanin L / 1995 / Dynamic Behavior of the Lifting Crane Mechanism / Mechanics Machine Theory 30 (1) : 1 ~ 151
4. [학술대회논문] - Oortmerssen / 1976 / Computation of First and Second Order Wave Forces on Bodies Oscillation in Regular Waves / Proceedings 2nd International Conference Ship Hydrodynamics
5. [학술지(정기간행물)] - Schellin, T.E / 1993 / Crane Ship Response to Wave Groups / Journal of Ship Research 37 (3) : 225 ~ 238
2. [학술대회논문] - Choo, Y.S / 1993 / A Knowledgebased Approach to Design for Heavy Lift / Offshore 93, 3rd Intl Conf, Installation of Major Offshore Structures and Equipment, Feb., 1993, London, UK, ppr 8 : 83 ~ 97
3. [학술지(정기간행물)] - Cveticanin L / 1995 / Dynamic Behavior of the Lifting Crane Mechanism / Mechanics Machine Theory 30 (1) : 1 ~ 151
4. [학술대회논문] - Oortmerssen / 1976 / Computation of First and Second Order Wave Forces on Bodies Oscillation in Regular Waves / Proceedings 2nd International Conference Ship Hydrodynamics
5. [학술지(정기간행물)] - Schellin, T.E / 1993 / Crane Ship Response to Wave Groups / Journal of Ship Research 37 (3) : 225 ~ 238
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UCI(KEPA) : I410-ECN-0101-2013-559-000315341