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TECHNICAL PAPERS

Feature-Based Optimization of Beam Structures Represented by Polygonal Meshes

[+] Author and Article Information
Jie Shen

Department of Computer & Information Science, University of Michigan-Dearborn, Dearborn, MI 48128

J. Comput. Inf. Sci. Eng 3(3), 243-249 (Sep 16, 2003) (7 pages) doi:10.1115/1.1606474 History: Received October 01, 2001; Revised July 01, 2003; Online September 16, 2003
Copyright © 2003 by ASME
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References

Figures

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Surface normal and axial normal of master element
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Master and slave cutting planes of master element
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Original versus Optimized geometric shape of the solid control arm defined in Fig. 6, (a) original, (b) optimized
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Performance improvement by the feature-based optimization on solid arm problem (12.2% reduction in weighted compliance with the total volume of the entire structure unchanged)
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Original geometric shape of an engine block defined by a finite element model
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Perturbation vector sets generated automatically by the feature-based approach on the basis of a typical element ID associated with each beam component
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Performance improvement by the feature-based optimization on the engine bracket problem (13.5% reduction in weighted compliance with the total volume of the entire structure unchanged)
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Cross-section and perimeter of a cutting plane
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Recursive propagation over a beam component in one direction; (a) initial state, (b) after several steps of recursive propagation
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An Outline of the Feature-Based Optimization of Beam Structures
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Original geometric shape of a solid control arm defined by a finite element model
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Perturbation vector sets generated automatically by the feature-based approach on the basis of typical element ID associated with each beam component

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