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Article

Natural Frequency Tuning Using Structural Patches

[+] Author and Article Information
P. W. Wang, C. C. Cheng

Department of Mechanical Engineering, National Chung Cheng University, Chia-Yi, 621 Taiwan, R.O.C. e-mail: imeccc@ccu.edu.tw

J. Vib. Acoust 127(1), 28-35 (Mar 21, 2005) (8 pages) doi:10.1115/1.1855926 History: Received January 13, 2003; Revised March 16, 2004; Online March 21, 2005
Copyright © 2005 by ASME
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References

Figures

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Geometry of a beam boned with multiple structural patches
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(a) Geometry of the structural patch subjected to longitudinal forces and (b) Equivalent model of (a)
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Geometry of a beam subjected to two concentrated forces
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(a) Segment n of a beam subjected to a pair of stretching forces and (b) An equivalent model of (a)
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Equivalent model of Fig. 1
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Experiment setup for impact testing
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Frequency response of beam before and after attaching structural patches
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Frequency response of beam before and after attaching structural patches
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Graphs of det E6.68 Hz and det E50.55 Hz
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Frequency response of beam before and after attaching structural patches

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