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
- 2022.6
- 수록면
- 143 - 152 (10page)
이용수
초록· 키워드
오류제보하기
To reach a port, a ship must pass through a shallow water zone where seabed effects alter the hydrodynamics acting on the ship. This study examined the maneuvering characteristics of an autonomous surface ship at 3-DOF (Degree of freedom) motion in deep water and shallow water based on the in-port speed of 1.54 m/s. The CFD (Computational fluid dynamics) method was used as a specialized tool in naval hydrodynamics based on the RANS (Reynolds-averaged Navier-Stoke) solver for maneuvering prediction. A virtual captive model test in CFD with various constrained motions, such as static drift, circular motion, and combined circular motion with drift, was performed to determine the hydrodynamic forces and moments of the ship. In addition, a model test was performed in a square tank for a static drift test in deep water to verify the accuracy of the CFD method by comparing the hydrodynamic forces and moments. The results showed changes in hydrodynamic forces and moments in deep and shallow water, with the latter increasing dramatically in very shallow water. The velocity fields demonstrated an increasing change in velocity as water became shallower. The least-squares method was applied to obtain the hydrodynamic coefficients by distinguishing a linear and non-linear model of the hydrodynamic force models. The course stability, maneuverability, and collision avoidance ability were evaluated from the estimated hydrodynamic coefficients. The hydrodynamic characteristics showed that the course stability improved in extremely shallow water. The maneuverability was satisfied with IMO (2002) except for extremely shallow water, and collision avoidance ability was a good performance in deep and shallow water.
목차
ABSTRACT
1. Introduction
2. Maneuvering Simulation Model
3. Analysis results
4. Dynamic Simulation
5. Concluding Remarks
References
참고문헌 (21)
참고문헌 신청
Carrica, P.M., Mofidi, A., Eloot, K., & Delefortrie, G. (2016). Direct Simulation and Experimental Study of Zigzag Maneuver of KCS in Shallow Water. Ocean Engineering, 112, 117–133. https://doi.org/10.1016/j.oceaneng.2015.12.008
Delefortrie, G., Eloot, K., Lataire, E., Van Hoydonck, W., & Vantorre, M. (2016). Captive Model Tests Based 6 DOF Shallow Water Manoeuvring Model. Proceedings of the 4th International Conference on Ship Manoeuvring in Shallow and Confined Water (MASHCON), Hamburg, Germany, 273–286. https://doi.org/10.18451/978-3-939230-38-0
Di Mascio, A., Dubbioso, G., Notaro, C., & Viviani, M. (2011). Investigation of Twin-Screw Naval Ships Maneuverability Behavior. Journal of Ship Research, 55(4), 221–248. https://doi.org/10.5957/JOSR.55.4.090031
Duarte, H.O., Droguett, E.L., Martins, M.R., Lutzhoft, M., Pereira, P. S., & Lloyd, J. (2016). Review of Practical Aspects of Shallow Water and Bank Effects. Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering, 158(July), 177–186. https://doi.org/10.3940/rina.ijme.2016.a3.362
Fuji, J., & Tanaka, K. (1971). Traffic Capacity. The Journal of Navigation, 24, 543-552.
Delefortrie, G., Eloot, K., Lataire, E., Van Hoydonck, W., & Vantorre, M. (2016). Captive Model Tests Based 6 DOF Shallow Water Manoeuvring Model. Proceedings of the 4th International Conference on Ship Manoeuvring in Shallow and Confined Water (MASHCON), Hamburg, Germany, 273–286. https://doi.org/10.18451/978-3-939230-38-0
Di Mascio, A., Dubbioso, G., Notaro, C., & Viviani, M. (2011). Investigation of Twin-Screw Naval Ships Maneuverability Behavior. Journal of Ship Research, 55(4), 221–248. https://doi.org/10.5957/JOSR.55.4.090031
Duarte, H.O., Droguett, E.L., Martins, M.R., Lutzhoft, M., Pereira, P. S., & Lloyd, J. (2016). Review of Practical Aspects of Shallow Water and Bank Effects. Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering, 158(July), 177–186. https://doi.org/10.3940/rina.ijme.2016.a3.362
Fuji, J., & Tanaka, K. (1971). Traffic Capacity. The Journal of Navigation, 24, 543-552.
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