RESEARCH PAPERS: Mechanical Signature Analysis

A Method for Recognizing Structural Nonlinearities in Steady-State Harmonic Testing

[+] Author and Article Information
J. Kirshenboim, D. J. Ewins

Imperial College of Science and Technology, London, England

J. Vib., Acoust., Stress, and Reliab 106(1), 49-52 (Jan 01, 1984) (4 pages) doi:10.1115/1.3269151 History: Received July 13, 1983; Online November 23, 2009


A method for recognizing the extent of the nonlinearity of data acquired by the steady-state harmonic excitation methods is developed. The level of the nonlinearity is defined by a single parameter—the J factor—in the range 1–0 (1 for perfect linearity). An example of the application of the J factor is given.

Copyright © 1984 by ASME
Topics: Testing , Steady state
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