Multi-objective optimization of oil tanker design

Apostolos Papanikolaou, George Zaraphonitis, Evangelos Boulougouris, U. Langbecker, S. Matho, P. Sames

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


Parametric optimization was applied to a double-hull AFRAMAX tanker design in order to reduce oil-outflow probability and increase cargo carrying capacity, and the results are presented here. A multi-criteria optimization procedure was set up in modeFrontier ® using the cargo volume, the mean oil-outflow parameter and the steel weight of the cargo block as the objective functions. Calculations are based on a parametric geometric model of the ship created in NAPA ®, and on a structural model created in POSEIDON ®. Integration of the above software packages leads to an automated optimization procedure that provides improved feedback to the designer regarding the trade-off between the various design parameters and optimization criteria involved. The results obtained suggest notable improvements in transport capacity and oil-outflow performance for known, well-established yard designs. The presented work derives from a joint industrial project between Germanischer Lloyd (GL) and the Ship Design Laboratory of the National Technical University of Athens (NTUA-SDL), which continues the work done and coordinated by NTUA-SDL within the SAFEDOR project on the same subject.
Original languageEnglish
Pages (from-to)359-373
Number of pages15
JournalJournal of Marine Science and Technology
Issue number4
Publication statusPublished - Dec 2010


  • design optimization
  • risk-based design
  • genetic algorithms
  • multi-criteria decision making
  • accidental oil outflow


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