Journal of Navigation and Port Research 2005;29(7):603-609.
Published online September 30, 2005.
Study on the Development of an Optimal Hull Form
Hee-Jong Choi, Gyoung-Woo Lee, Soon-Dong Youn, Ho-Hwan Chun
Abstract
This paper presents the method for developing an optimum hull form with minimum wave resistance using SQP(sequential quadratic programming) as an optimization technique. The wave resistance is evaluated by a Rankine source panel method with non-linear free surface conditions and the ITTC 1957 friction line is used to predict the frictional resistance coefficient. The geometry of the hull surface is represented and modified using NURBS(Non-Uniform Rational B-Spline) surface patches. To verify the validity of the developed program the numerical calculations for Wigley hull and Series 60 Cb=0.6 hull are performed and the results obtained after the numerical calculations are compared with the initial hulls.
Key Words: Hull-optimization;SQP(sequential quadratic programming);Potential flow;Wigley hull;Series 60 Cb=0.6 hull


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