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Dynamic Analysis of Antiplane Crack under SH-Waves in the Functionally Graded Materials

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Abstract:

In this paper, the behavior of a finite crack in an infinite plate of functionally graded materials (FGM) with free boundary subjected to SH-waves is considered. To make the analysis tractable, it is assumed that the material properties vary exponentially with the thickness direction and the problem is transformed into a dual integrated equation with the method of integral transform. The dynamic stress intensity factor is obtained using Schmidt method. The numerical examples are presented to demonstrate this numerical technique for SH-waves propagating in FGM plate. Finally the number of the waves, the gradient parameter of FGM and the angle of the incidence upon the dynamic stress intensity factor are also given.

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Periodical:

Key Engineering Materials (Volumes 353-358)

Pages:

38-41

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.353-358.38

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Online since:

September 2007

Authors:

Xin Gang Li, Cheng Jin, Li Zhang, Da Yong Chu

Keywords:

Dual Integral Equations, Functionally Graded Material (FGM), Normal Stress Intensitiy Factor, Schmidt Method, Sh Wave

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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