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TECHNICAL PAPERS

Identification of Moving Loads on an Orthotropic Plate

[+] Author and Article Information
X. Q. Zhu, S. S. Law

Civil and Structural Engineering Department, Hong Kong Polytechnic University, Kowloon, Hong Kong

J. Vib. Acoust 123(2), 238-244 (Oct 01, 2000) (7 pages) doi:10.1115/1.1349889 History: Received June 01, 2000; Revised October 01, 2000
Copyright © 2001 by ASME
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References

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Law,  S. S., Chan,  T. H. T., and Zeng,  Q. H., 1997, “Moving Force Identification: A Time Domain Method,” J. Sound Vib., 201, No. 1, pp. 1–22.
Law,  S. S., Chan,  T. H. T., and Zeng,  Q. H., 1999, “Moving Force Identification: A Frequency and Time Domain Analysis” ASME J. Dyn. Syst., Meas., Control, 12, No. 3, pp. 394–401.
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Law, S. S., and Fang, Y. L., 2000, “Moving Force Identification: Optimal State Estimation Approach,” (in press).
Zhu,  X. Q., and Law,  S. S., 1999, “Moving Forces Identification on a Multi-Span Continuous Bridge,” J. Sound Vib., 228, No. 2, pp. 377–396.
Fryba, L., 1972, Vibration of Solids and Structures Under Moving Loads, Groningen, Noordoff.
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Zhu, X. Q., and Law, S. S., 1999, “Dynamic Behavior of Orthotropic Rectangular Plates Under Moving Loads,” ASCE Journal of Engineering Mechanics (under review).
Jayaraman,  G., Chen,  P., and Snyder,  V. W., 1990, “Free Vibrations of Rectangular Orthotropic Plates with a Pair of Parallel Edges Simply Supported” Computers and Structures, 34, No. 2, pp. 203–214.
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Law, S. S., Chan, T. H. T., Zhu, X. Q., and Zeng, Q. H., 2000, “Regularization in Moving Force Identification,” ASCE Journal of Engineering Mechanics (in press).
Bakht, B., and Jaeger, L. G., 1985, Bridge Analysis Simplified, McGraw-Hill, New York.

Figures

Grahic Jump Location
Orthotropic plate under a group of moving loads
Grahic Jump Location
Cross-section of the orthotropic plate
Grahic Jump Location
Identified results for groups of loads moving at different eccentricity (– True force; [[dashed_line]] e=1/8b; [[ellipsis]]. .e=3/8b)
Grahic Jump Location
Identified results of a group of four loads (– true force; – from acceleration; [[ellipsis]]. . from strains)

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