Publicações

Jafaryeganeh, H., Ventura, M. and Guedes Soares, C. (2020), “Robust-based optimization of the hull internal layout of oil tanker”, Ocean Engineering, Vol. 216, 107846 (14 pages)

This work deals with the optimization of the internal layout oil tankers under uncertainties, aiming at the robustness of ship safety and the improvement of economical functionality in the domain of environmental pollution prevention. The design variables are the positions of watertight members in the internal layout and the original merit functions are the maximization of cargo capacity and minimization of the longitudinal bending moment in sagging and hogging conditions. The constraints are the regulatory limits and the essential requirement of a proper design. The uncertainties of the prediction of bending moment and accidental consequences are incorporated into the objectives and constraints of the defined problem by a robustbased approach. A multi-objective genetic algorithm is applied to the converted problem under uncertainty to approach the Pareto solutions. Finally, the selection of final design among the Pareto frontier is defined as a post-optimization process by using a method of multi-criteria decision-making. The discussion of the final design is provided by a comparative study.

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