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Journal of ship and ocean technology v.9 no.3, 2005년, pp.1 - 13   피인용횟수: 1

Development of an Optimal Hull Form with Minimum Resistance in Still Water

Choi Hee-Jong    (Advanced Ship Engineering Research Center, Pusan National University   ); Kim Mun-Chan    (Advanced Ship Engineering Research Center, Pusan National University   ); Chun Ho-Hwan    (Advanced Ship Engineering Research Center, Pusan National University  );
  • 초록

    A design procedure for a ship with minimum total resistance has been developed using a numerical optimization method called SQP (Sequential Quadratic Programming) to search for optimized hull form and CFD(Computational Fluid Dynamics) technique. The friction resistance is estimated using the ITTC 1957 model-ship correlation line formula and the wave making resistance is evaluated using a potential-flow panel method based on Rankine sources with nonlinear free surface boundary conditions. The geometry of hull surface is represented and modified using B-spline surface patches during the optimization process. Using the Series 60 hull ( $C_B$ =0.60 0.60) as a base hull, the optimization procedure is applied to obtain an optimal hull that produces the minimum total resistance for the given constraints. To verify the validity of the result, the original model and the optimized model obtained by the optimization process have been built and tested in a towing tank. It is shown that the optimal hull obtained around $13\%$ reduction in the total resistance and around $40\%$ reduction in the residual resistance at a speed tested compared with that of the original one, demonstrating that the present optimization tool can be effectively used for efficient hull form designs.


  • 주제어

    hull optimization .   minimum total resistance .   rankine source panel method .   SQP(Sequential Quadratic Programming).  

  • 참고문헌 (13)

    1. Choi, H.-J., K.-C. Seo, B.-E. Kim and H.-H. Chun. 2003. Development of an optimum hull form for a container ship with minimum wave resistance. J. of SNAK, 40, 4, pp. 8-15     
    2. Hino, T., Y. Kodama and N. Hirata. 1998. Hydrodynamic shape optimization of ship hull forms using CFD. 3rd Osaka Colloquium on Advanced CFD Applications to Ship Flow and Hull Form Design, 332-340 
    3. Raven, H.C. 1993. Nonlinear ship wave calculation using the RAPID method. 6th International Conference on Numerical Ship Hydrodynamics 
    4. Tahara, Y., Y. Himeno. 1998. An application of computational fluid dynamics to tanker hull form optimization problem. 3rd Osaka Colloquium on Advanced CFD Applications to Ship Flow and Hull Form Design, Osaka Prefecture Univ, and Osaka Univ., Japan 
    5. Choi, H.-J. and H.-H. Chun. 2001. Potential flow analysis for a hull with the transom Stem. J. of KCORE, 15, 1, pp. 1-6 
    6. Raven, H.C. 1992. A practical nonlinear method for calculating ship wavemaking and wave resistance. 19th Symposium on Naval Hydrodynamics, Seoul 
    7. Michell, J.H. 1898. The wave resistance of a ship. Philosophical Magazine, 5, 45, 106-122 
    8. Rogers, D.F. and J.A. Adams. 1990. Mathematical Elements for Computer Graphics. McGraw-Hill, New York 
    9. Vanderplaats, G.N. 1984. Numerical Optimization Techniques for Engineering Designs. McGrow-Hill, New York 
    10. Peri, D., M. Rosetti and E.F. Campana. 2001. Design optimization of ship hulls via CFD techniques, J. of Ship Research, 45, 2, 140-149 
    11. Huang, C.H., C.C. Chiang, and S.K. Chou. 1998. An inverse geometry design problem in optimizing hull surfaces. J. of Ship Research, 42, 20, 79-85 
    12. Holtrop, I.J. 1984. A statistical re-analysis of resistance and propulsion data. International Ship-Building Progress, 31, 272-276 
    13. Markov, N.E. and K. Suzuki. 2001. Hull form optimization by shift and deformation of ship sections. J. of Ship Research, 45, 3, 197-204 
  • 이 논문을 인용한 문헌 (1)

    1. Choi, Hee-Jong ; Kim, Jin ; Van, Suak-Ho ; Park, Il-Ryong ; Kim, Kwang-Soo 2008. "Variable Free Surface Panel Method for Potential Flow Analysis around a Ship" 大韓造船學會 論文集 = Journal of the Society of Naval Architects of Korea, 45(1): 54~62     

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