RESEARCH PAPERS: Design Automation Papers

Optimal Design of Semisubmersible’s Form Based on Systems Analysis

[+] Author and Article Information
S. Akagi, R. Yokoyama, K. Ito

Department of Mechanical Engineering for Industrial Machinery, Osaka University, Osaka, Japan

J. Mech., Trans., and Automation 106(4), 524-530 (Dec 01, 1984) (7 pages) doi:10.1115/1.3258605 History: Received July 06, 1984; Online November 19, 2009


With the objective of developing a computer-aided design method to seek the optimal semisubmersible’s form, hierarchical relationships among many design objectives and conditions are investigated first based on the interpretive structural modeling method. Then, an optimal design method is formulated as a nonlinear multiobjective optimization problem by adopting three mutually conflicting design objectives. A set of Pareto optimal solutions is derived numerically by adopting the generalized reduced gradient algorithm, and it is ascertained that the designer can determine the optimal form more rationally by investigating the trade-off relationships among design objectives.

Copyright © 1984 by ASME
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