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TECHNICAL PAPERS

Parametric Optimization of Structures Under Combined Base Motion Direct Forces and Static Loading

[+] Author and Article Information
Izhak Bucher

Faculty of Mechanical Engineering, Technion, Israel Institute of Technology, Haifa 32000, Israele-mail: bucher@technion.ac.il

J. Vib. Acoust 124(1), 132-140 (May 01, 1998) (9 pages) doi:10.1115/1.1424888 History: Received November 01, 1997; Revised May 01, 1998
Copyright © 2002 by ASME
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References

Figures

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Schematic representation of structure to be optimized
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Schematic representation of structure to be optimized
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Parametrization of the geometric representation of the structure to be optimized
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Speed of execution of cost function, proposed method vs. frequency domain approach
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Force and base motion of the initial structure
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Case A-I: (a) shape of original and optimized beam under direct force (b) frequency response and excitation PSD; Case A-II: (c) shape of original and optimized beam under base motion (d) frequency response and excitation PSD
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Case A-III: (e) shape of original and optimized beam under combined direct force and base motion (f ) frequency response and excitation PSD; case A-IV (g) shape of original and optimized beam under combined direct force and base motion—no constraint on static deflection (h) frequency response and excitation PSD
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An array of dynamic mass-absorbers
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Excitation PSD and the response of the initial and the optimized structures vs frequency in linear and log scales

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