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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.10
- 수록면
- 232 - 244 (13page)
이용수
초록· 키워드
오류제보하기
Container ships, which have hatch openings, are subject to low natural frequencies and exhibit elastic behavior due to wave loads, a phenomenon referred to as the hydroelastic effect. Classification societies have established hydroelastic fatigue analysis procedures to address the increased fatigue damage caused by this effect. This study compares the fatigue damage increase ratios at the hatch coaming top corners according to the procedures provided by Lloyd"s Register (LR) and Bureau Veritas (BV). The weight distribution was adjusted using mass and interpolation elements, and normal mode analysis was conducted to obtain the natural frequencies and mode shapes of the ship, which were then used in frequency-domain hydroelastic motion analysis. The fatigue analysis was performed based on LR and BV procedures, using mode response amplitude operators (RAOs) and hydrodynamic coefficients derived from the hydroelastic motion analysis. Despite the differing methodologies between LR and BV, similar stress RAOs were obtained, with the midship showing a higher fatigue damage increase ratio than the forward and aft ends. For the LR procedure, more modes are needed for greater accuracy at the aft end, and for the BV procedure, further investigation is required to address the unreasonable response of the dynamic stress RAO in the low-frequency region, which is distant from the resonance frequency.
목차
ABSTRACT
1. Introduction
2. Hydroelastic Fatigue Analysis Procedures by Classification Societies
3. Analysis Conditions
4. Hydroelastic Fatigue Analysis
5. Hydroelastic Fatigue Analysis Results and Analysis
6. Conclusion
References
참고문헌 (29)
참고문헌 신청
American Bureau of Shipping (ABS). (2004). Spectral-based fatigue analysis for floating production, storage and offloading (FPSO) installations. ABS.
American Bureau of Shipping (ABS). (2017). Gudance noties on springing assessment for contaniner carriers and ORE carriers. ABS.
Barhoumi, M., & Storhaug, G. (2014). Assessment of whipping and springing on a large container vessel. International Journal of Naval Architecture and Ocean Engineering, 6(2), 442‒458. https://doi.org/10.2478/IJNAOE-2013-0191
Bureau Veritas (BV). (2015). Whipping and Springing Assessment (Rule Note NR 583 DT R00 E). BV.
Det Norske Veritas (DNV). (2021a). Fatigue and ultimate strength assessment of container ships including whipping and springing (DNV-CG-0153). Class Guideline, DNV.
American Bureau of Shipping (ABS). (2017). Gudance noties on springing assessment for contaniner carriers and ORE carriers. ABS.
Barhoumi, M., & Storhaug, G. (2014). Assessment of whipping and springing on a large container vessel. International Journal of Naval Architecture and Ocean Engineering, 6(2), 442‒458. https://doi.org/10.2478/IJNAOE-2013-0191
Bureau Veritas (BV). (2015). Whipping and Springing Assessment (Rule Note NR 583 DT R00 E). BV.
Det Norske Veritas (DNV). (2021a). Fatigue and ultimate strength assessment of container ships including whipping and springing (DNV-CG-0153). Class Guideline, DNV.
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