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Sound Radiation Characteristics for Structural Damage Identification

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Abstract:

This paper investigates the sound power radiated from a cracked plate. The sound power is obtained by using a lumped parameters model-based acoustics theory and vibration responses obtained by using the finite element method. It is shown that the vibration mode shapes and crack angle are closely related to the sound radiation characteristics, which can be applied to detect damages such as the cracks generated within a structure.

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Periodical:

Advanced Materials Research (Volumes 26-28)

Pages:

7-10

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.26-28.7

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Online since:

October 2007

Authors:

Usik Lee, In Joon Jang, Han Suk Go, Tae Jin Kim

Keywords:

Cracked Plate, Sound Power, Sound Radiation, Structural Damage Identification

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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