Hydrodynamic Hull Form Design Using an Optimization Technique

Title & Authors
Hydrodynamic Hull Form Design Using an Optimization Technique
Park, Dong-Woo; Choi, Hee-Jong;

Abstract
A design procedure for a ship with minimum resistance had been developed using a numerical optimization method called SQP (Sequential Quadratic Programming) combined with computational fluid dynamics (CFD) technique. The frictional resistance coefficient was estimated by the ITTC 1957 model-ship correlation line formula and the wave-making resistance coefficient was evaluated by the potential-flow panel method with the nonlinear free surface boundary conditions. The geometry of the hull surface was represented and modified by B-spline surface modeling technique during the optimization process. The Series 60 ($\small{C_B}$=0.60) hull was selected as a parent hull to obtain an optimized hull that produces minimum resistance. The models of the parent and optimized hull forms were tested at calm water condition in order to demonstrate the validity of the proposed methodolgy.
Keywords
Hull optimization;Minimum resistance;Ranking source panel method;SQP(Sequential Quadratic Programming);B-spline surface modeling;
Language
English
Cited by
1.
Research on theoretical optimization and experimental verification of minimum resistance hull form based on Rankine source method,;;

International Journal of Naval Architecture and Ocean Engineering, 2015. vol.7. 5, pp.785-794
1.
Research on theoretical optimization and experimental verification of minimum resistance hull form based on Rankine source method, International Journal of Naval Architecture and Ocean Engineering, 2015, 7, 5, 785
2.
Hull-form optimization using parametric modification functions and particle swarm optimization, Journal of Marine Science and Technology, 2016, 21, 1, 129
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