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Modal Randomness Induced by Boundary Conditions
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Abstract
The modal frequencies of a structure often exhibit random variation. This variation may be an important factor affecting structural response. This paper summarizes the results of a combined experimental and analytical study that considers modal frequency randomness arising from boundary condition random variation. It is shown that a simple measure of boundary condition characteristics can be used in connection with a finite element based analysis to estimate random variation in modal frequencies. A comparison between the experiment and the analysis confirms the accuracy of the analytical technique.
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Paez, T., Branstetter, L., and Gregory, D., "Modal Randomness Induced by Boundary Conditions," SAE Technical Paper 851930, 1985, https://doi.org/10.4271/851930.Also In
References
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