The dynamic characteristics of a suspension assembly are examined using new numerical and experimental techniques. The p-type finite element method is used to construct a numerical model of the suspension. There are significant advantages in using this approach to analyze these types of structures. The model is verified by an experimental modal analysis system, which has been shown to be effective in the study of small structures. The modelled modal parameters agree within 4.5 percent with the experimental results for 14 modes. Since the experimental system uses an electromagnetic exciter, a ferromagnetic target must be attached to the nonferrous suspension so that it can be excited. Innovative techniques are investigated to improve the attachment of this ferromagnetic target. Furthermore, the finite element model is utilized to evaluate the sensitivity of the modal parameters of the suspension to changes in its geometrical features.
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August 1994
This article was originally published in
Journal of Engineering for Industry
Research Papers
Modal Analysis of a Suspension Assembly
C. J. Wilson,
C. J. Wilson
Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
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D. B. Bogy
D. B. Bogy
Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
Search for other works by this author on:
C. J. Wilson
Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
D. B. Bogy
Computer Mechanics Laboratory, Department of Mechanical Engineering, University of California, Berkeley, Berkeley, CA 94720
J. Eng. Ind. Aug 1994, 116(3): 377-386
Published Online: August 1, 1994
Article history
Received:
January 1, 1993
Revised:
June 1, 1993
Online:
April 8, 2008
Citation
Wilson, C. J., and Bogy, D. B. (August 1, 1994). "Modal Analysis of a Suspension Assembly." ASME. J. Eng. Ind. August 1994; 116(3): 377–386. https://doi.org/10.1115/1.2901955
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