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http://dx.doi.org/10.3744/SNAK.2010.47.5.671

A Study on the Bow Hull Form Design of Full Ship Considering the Nonlinear Waves  

Yu, Jin-Won (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Lee, Young-Gill (Dept. of Naval Architecture and Ocean Engineering, Inha University)
Choi, Si-Young (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Choi, Young-Chan (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Jeong, Kwang-Leol (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Ha, Yoon-Jin (Dept. of Naval Architecture and Ocean Engineering, Graduate School, Inha University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.47, no.5, 2010 , pp. 671-679 More about this Journal
Abstract
This paper introduces a new hull form design method for the bow of a full ship, by actively applying the relation between the fore-body hull form and its wave resistance characteristics. For the hull form design, the Series 60($C_B=0.8$) hull is chosen as the parent ship, and Kracht's charts are used to determine the parameters of the bulbous bow in the early stages of hull form design. Several hull forms have been tested in order to obtain enough hull form variations with various bow shapes and design parameters in the search of the best design. In order to investigate the resistance characteristics of the designed hull forms, numerical simulations with corresponding model tests have been rigorously performed. For the numerical simulations, the Marker-density method is employed to track the nonlinear phenomena of the free surface(program IUBW). Model tests have also been performed to achieve an improved research performance using the designed hulls. Both numerical and experimental results show that the wave resistance of the hull forms can be effectively diminished if the bows are designed using the method introduced in this research. It is also expected that this research can facilitate better productivity in hull form design, especially at the preliminary design stage of a full ship type vessel.
Keywords
Bow hull form; Nonlinear wave; Numerical simulation; Marker-density method; Model test;
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  • Reference
1 Ni, S.Y., 1987. Higher Order Panel Methods for Potential Flows with Linear or Non-Linear Free Surface Boundary Conditions. Ph.D. Thesis, Chalmers University.
2 Nito, M. Dajitani, H. & Miyata, H., 1981. Free Surface Shock Waves and Method for Hull Form Improvement. Journal of the Society of Naval Architects of Japan, 150, pp.19-29.
3 Park, J.C. & Miyata, H., 1994. Numerical Simulation of 2D and 3D Breaking Waves by Finite-Difference Method. Journal of The Society of Naval Architects of Japan, 175, pp.11-24.
4 Shin, M.S. Lee, Y.G. Kim, E.C. & Yang, S.I., 1992. Numerical Simulation of the Nonlinear Free-Surface Flow Around a Blunt Bow. Nineteenth Symposium on NAVAL HYDRODYNAMICS. Seoul, Korea. 23-28 August.
5 Toda, Y. Stern, F. & Longo, J., 1992. Mean-Flow Measurements in the Boundary Layer and Wake and Wave Field of a Series 60 CB=0.6 Model Ship - Part 1: Froude Numbers 0.16 and 0.316. Journal of Ship Research, 36(4), pp.360-377.
6 Todd, F.H., 1963. Series 60 Methodical Experiments with Models of Single-Screw Merchant Ships. The Superintendent of Documents, U.S. Government Printing Office; Washington, D.C.
7 Akihito, H. & Jun, A., 2007. Study on Multiobjective Hull Optimization for Reducing Wave-making Resistance and Wave-breaking. Journal of the Japan Society of Naval Architects and Ocean Engineers, 5, pp.185-193.   DOI
8 Kracht, A.M., 1978. Design of Bulbous Bow. SNAME Transactions, 86, pp.197-217.
9 Matsui, M. Kitazawa, T. & Nagahame, M., 1983. Observation of Nonlinear Waves around Ship Bow Models. Journal of the Kansai Society of Naval Architects, 190, pp.63-71.
10 Lee, Y.G., 2008. Development of a Numerical Computation Method Simulating the Wave Breaking Phenomenon around a Ship. Report No. R01-2005-000-10878-0, Ministry of Science and Technology, Korea.