Multiattribute decision making methodology for handymax tanker design in the concept design phase-A case study

Žanić, Vedran and Prebeg, Pero and Čudina, Predrag (2012) Multiattribute decision making methodology for handymax tanker design in the concept design phase-A case study. = Multiattribute decision making methodology for handymax tanker design in the concept design phase-A case study. In: 14th International Congress of the International Maritime Association of the Mediterranean, IMAM 2011, 13 September - 16 September 2011., Genova, Italy.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=533553

Abstract

An improved methodology of decision making for ship concept design, with the related design procedures and mathematical models, is presented. The mathematical model includes optimization of the main newbuilding characteristics as well as the optimization of its commercial effects. The Multiattribute decision making method is applied and the ship design analysis model is inbuilt into the decision making shell DeMak. Each attribute is defined by the membership grade function based on fuzzy set theory. The consistent relative significance of attributes is obtained as an eigenvector of the subjective decision making matrix. Inadequate information about the configuration of the feasible designs' subspace is overcome by sequential adaptive generation of design points in the feasible region (via e.g. adaptive Monte Carlo method, Particle Swarm Optimization or Genetic Algorithms). The concept of nondominated designs is used for filtering Pareto solutions. In practical applications to the general design of cargo ships, the developed design procedure and the associated mathematical models for the multi-attribute design synthesis have resulted in considerable improvements of the vessel's quality measures. It makes this design approach superior to traditional ship design and ranks it among promising approaches for those ship types in the concept design phase. The application of the method is presented for the concept design of Handymax Product Tanker. © 2012 Taylor & Francis Group, London, UK.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Concept design phase; Decision making matrix; Design approaches; Membership grade function; Multi attribute decision making; Multi-attributes; Quality measures; Relative significance of attribute; Decision making; Filtration; Mathematical models; Monte Carlo methods; Particle swarm optimization (PSO); Shipbuilding; Tankers (ships); Waterway transportation; Product design
Subjects: TECHNICAL SCIENCE
Divisions: 600 Department of Naval Engineering and Marine Technology > 620 Chair of Marine Structures Design
Indexed in Web of Science: Yes
Indexed in Current Contents: No
Citations JCR: 0 (25.10.2017.)
Citations SCOPUS: 1 (25.10.2017.)
Date Deposited: 30 Apr 2015 11:13
Last Modified: 25 Oct 2017 09:21
URI: http://repozitorij.fsb.hr/id/eprint/3886

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