An application of a complex system optimization techniques to the ship structural design

Prebeg, Pero and Žanić, Vedran and Važić, Božo (2012) An application of a complex system optimization techniques to the ship structural design. = An application of a complex system optimization techniques to the ship structural design. In: International Marine Design Conference - IMDC, 11-14. 06. 2012., Glasgow, Velika Britanija.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=624622

Abstract

Multi-criteria design of complex engineering systems is methodologically and computationally demanding and time consuming process. Optimization algorithms, problem decomposition, surrogate metamodeling and methods for decision support are synthesis methods that are usually employed to solve the design problem. The design of complex thin-walled structure (e.g. ship and/or aircraft) falls within the category of large scale problems characterized by several design objectives, hundreds of design variables and tens of thousands of design constraints. The objective of the research presented in this paper is to improve the design process of complex thin-walled ship structures through an application of surrogate modeling (Response Surfaces, Kriging, Radial Basis Functions) for this type of a problem. Methods considered are integrated into interactive computing environment for multi-criteria design in order to enable effective and efficient interaction between designer and design problem within given design timeframe. Applicability of the proposed approach is extensively tested on a simple barge example, and finally applied on a design of a realistic modern multi-deck ship.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Structural optimization, decomposition, surrogate modeling
Subjects: TECHNICAL SCIENCE > Aviation, rocket and space technology
Divisions: 600 Department of Naval Engineering and Marine Technology > 620 Chair of Marine Structures Design
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 23 May 2016 11:31
Last Modified: 25 Oct 2017 08:40
URI: http://repozitorij.fsb.hr/id/eprint/5926

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