A GA Based Configuration Design Optimization Method

[+] Author and Article Information
Pierre M. Grignon

Department of Research and Development, Dassault Systemes, Suresnes, Francee-mail: Pierre_grignon@ds-fr.com

Georges M. Fadel

Department of Mechanical Engineering, Clemson University, Clemson, SCe-mail: gfadel@ces.clemson.edu

J. Mech. Des 126(1), 6-15 (Mar 11, 2004) (10 pages) doi:10.1115/1.1637656 History: Received August 01, 2000; Revised May 01, 2003; Online March 11, 2004
Copyright © 2004 by ASME
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Correspondence between mechanical functional links and displacement vectors (ISO 3956 30)
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Difference between bounding box volume and inertia matrix norm
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Objectives of the cube CDPs
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Example of final set distribution and configurations for a 4 cube 2D CDP. Each extreme point of the final set (e and f ) in the objective space corresponds to an extreme configuration (a, b, c, and d, respectively, 1, 2, 5, and 6 in e) in 3D space. Maintainability (Maint) is indicated on the vertical axis. Distance from the target center of gravity (Cog) and compacity are indicated on the horizontal plane.
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The satellite configuration design problem
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Three-objective Pareto set provided by the CDOM
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Two extreme configurations: at left, the maximum compactness configuration discovered by the CDOM, at right, the maximum maintainability configuration
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The components are placed using a global coordinate system and geometric constraints
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A simplified car engine submitted to the CDOM
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Example of maximum compactness
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Example of maximum accessibility
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Three objectives Pareto set of the car engine ECDP provided by the CDOM




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