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TECHNICAL PAPERS

Optimal Stiffener Design for Interior Sound Reduction Using a Topology Optimization Based Approach

[+] Author and Article Information
Jianhui Luo, Hae Chang Gea

Department of Mechanical and Aerospace Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ 08855

J. Vib. Acoust 125(3), 267-273 (Jun 18, 2003) (7 pages) doi:10.1115/1.1569512 History: Received June 01, 1997; Revised October 01, 2002; Online June 18, 2003
Copyright © 2003 by ASME
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References

Figures

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A coupled acoustic-structural system
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A box under an excitation loading at the center of the top plate
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Iteration history of the objective function in case 1
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Optimal configuration of the stiffeners placement in case 1
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A box under an excitation loading at the center of the flank plate
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Iteration history of the objective function in case 2
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Optimal configuration of the stiffeners placement in case 2
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Iteration history of the objective function in case 3
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Optimal configuration of the stiffeners placement in case 3
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Interior SPL comparison between the initial design and the final design

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