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Article

Parametric Study on Vessel Body Lines Modeling to Optimize Seakeeping Performance

1Department of Ocean Engineering, AmirKabir University of Technology, Tehran, Iran


Journal of Ocean Research. 2014, Vol. 2 No. 1, 5-10
DOI: 10.12691/jor-2-1-2
Copyright © 2014 Science and Education Publishing

Cite this paper:
Mohsen Khosravi Babadi, Hassan Ghassemi. Parametric Study on Vessel Body Lines Modeling to Optimize Seakeeping Performance. Journal of Ocean Research. 2014; 2(1):5-10. doi: 10.12691/jor-2-1-2.

Correspondence to: Hassan  Ghassemi, Department of Ocean Engineering, AmirKabir University of Technology, Tehran, Iran. Email: gasemi@aut.ac.ir

Abstract

In this paper abody lines modeling algorithm for a corvettevesselis presented. In the algorithm seakeeping performance improved by variation in water-plane area coefficient (CWP) and consequently the vessel body lines modified. Fuzzy method used to body line modeling which the variation of CWP does not make change of the other geometric parameters (CP, CB, Cm, L and B). In this method, the impact of CWP changes on the rate of seakeeping parameter’s improvement has been studied and seakeeping performance index (SPI) defined as objective functions. Optimum value of seakeeping collective improvement obtained for the vessel body lines, using multi-objective genetic algorithms optimization (GA). Obviously, this method can be efficient in assuming that the other vessel geometrical coefficients are optimum.

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