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Time-average in-plane moiré method for the analysis of nonsinusoidal cyclic loading

By time-average recording of a specimen grating under in-plane cyclic deformation, moiré fringes with different fringe values can be obtained

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Abstract

A thorough analysis of time-average in-plane moire method for nonsinusoidal vibration is presented. The fringe orders of nonsinusoidal vibration are different from those of sinusoidal ones. There are two ways to determine the fringe order of nonsinusoidal functions.

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References

  1. Chiang, F.P., “Moiré Method of Strain Analysis,”Chapter VI of Manual of Experimental Stress Analysis, 3rd Edition (1978),A.S. Kobayashi (Editor).SESA, Brookfield Center, CT 06805.

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  2. Durelli, A.J. and Parks, U.J., Moiré Analysis of Strain, Prentice Hall, Inc. (1968).

  3. Theocaris, P.S., “Moiré Fringes in Strain Analysis,”Pergamon Press, New York (1969).

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  4. Liang C.Y., Hung, Y.Y., Durelli, A.J. andHovanesian, J.D., “Time-averaged Moiré Method for In-plane Vibration Analysis,”J. Sound and Vibration,62 (2),267 (1978).

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Authors and Affiliations

  1. Nuclear Technology, Inc., 95119, San Jose, CA

    C. J. Lin (Consultant)

  2. Department of Mechanical Engineering, State University of New York, 11794, Stonybrook, Long Island, NY

    F. P. Chiang (Professor)

Authors
  1. C. J. Lin
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  2. F. P. Chiang
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Lin, C.J., Chiang, F.P. Time-average in-plane moiré method for the analysis of nonsinusoidal cyclic loading. Experimental Mechanics 22, 64–68 (1982). https://doi.org/10.1007/BF02326078

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  • DOI: https://doi.org/10.1007/BF02326078

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