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TECHNICAL BRIEFS

Experimental Measurement of Mode Shapes and Frequencies for Vibration of Plates by Optical Interferometry Method

[+] Author and Article Information
Chi-Hung Huang

Department of Mechanical Engineering, Ching Yun Institute of Technology, Chung-Li, Taiwan 320, Republic of China

Chien-Ching Ma

Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan 106, Republic of China

J. Vib. Acoust 123(2), 276-280 (Oct 01, 2000) (5 pages) doi:10.1115/1.1352018 History: Received November 01, 1999; Revised October 01, 2000
Copyright © 2001 by ASME
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References

Butters,  J. N., and Leendertz,  J. A., 1971, “Speckle Pattern and Holographic Techniques in Engineering Metrology,” Opt. Laser Technol., 3, No. 1, pp. 26–30.
Rastogi, P. K., 1994, Holographic Interferometry, Springer-Verlag.
Wang,  W. C., Hwang,  C. H., and Lin,  S. Y., 1996, “Vibration Measurement by the Time-Averaged Electronic Speckle Pattern Interferometry Methods,” Appl. Opt., 35, No. 22, pp. 4502–4509.
Huang,  C. H., and Ma,  C. C., 1998, “Vibration Characteristics for Piezoelectric Cylinders Using Amplitude-Fluctuation Electronic Speckle Pattern Interferometry,” AIAA J., 36, No. 12, pp. 2262–2268.
Ma,  C. C., and Huang,  C. H., 2001, “The Investigation of Three-Dimensional Vibration for Piezoelectric Rectangular Parallelepipeds by Using the AF-ESPI Method,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 48, No. 1, pp. 142–153.

Figures

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Schematic layout of the experimental ESPI setup for out-of-plane displacement measurement
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Geometric dimension and configuration of isotropic square plates
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The first 17 mode shapes obtained by using the experimental AF-ESPI system and the finite element analysis for the FCFF plate
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The first 15 mode shapes obtained by using the experimental AF-ESPI system and the finite element analysis for the CCFF plate

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