Influence of a Crack on the Natural Frequency of Pipe

Abstract:

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Pipe crack identification method based on vibration has been researched by many people in recent years. The natural frequency plays an important role in the method. The natural frequency will change due to the appearance of the crack, so the crack may be identified according to the change law of the natural frequency with the size and location of crack. The dynamic model of cracked pipe is established by dispersing the pipe into a series of nested thin-walled pipes in this paper, and then the change law of the first three natural frequencies of the pipe is discussed.

Info:

Periodical:

Edited by:

Linli Xu, Wenya Tian and Elwin Mao

Pages:

527-531

DOI:

10.4028/www.scientific.net/AMM.80-81.527

Citation:

Y. M. He et al., "Influence of a Crack on the Natural Frequency of Pipe", Applied Mechanics and Materials, Vols. 80-81, pp. 527-531, 2011

Online since:

July 2011

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Price:

$35.00

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