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논문 기본 정보

자료유형
학술저널
저자정보
Eun-Hak Lee (Gyeongsang National University) Tak-Kee Lee (Gyeongsang National University)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제38권 제5호(통권 제180호)
발행연도
2024.10
수록면
307 - 314 (8page)

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초록· 키워드

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To minimize the production time of floating liquefied natural gas (FLNG) units, which are eco-friendly offshore structures, builders are exploring methods to extend the length of piperacks. This approach aims to reduce the number of installations and equipment required. In this study, a static stability analysis (in-place analysis) was conducted using the structural analysis computer system (SACS), a program for analyzing topside structures, to assess the effects of piperack enlargement. Two models were analyzed: the original piperack and a version with double the length. Both models were based on data from an existing FLNG unit, with identical environmental loads applied. The results showed that while relative displacement increased linearly with length, the stress did not follow the same linear pattern. However, stress levels in some braces at the base of the structure increased, indicating the need for larger structural members. From the perspective of in-place analysis, piperack enlargement appears feasible. However, further investigation, including fatigue analysis and assessments of operational and maintenance challenges, is recommended to confirm its long-term viability.

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ABSTRACT
1. Introduction
2. Analysis
3. Analysis Results
4. Conclusion
References

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