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On-line Access: 2024-08-27
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Waves scattering induced by an interface crack in a coated material
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CHANG Jun, Liu Yong, XU Jin-quan. Waves scattering induced by an interface crack in a coated material[J]. Journal of Zhejiang University Science A, 2005, 6(9): 950-955.
@article{title="Waves scattering induced by an interface crack in a coated material",
author="CHANG Jun, Liu Yong, XU Jin-quan",
journal="Journal of Zhejiang University Science A",
volume="6",
number="9",
pages="950-955",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A0950"
}
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%A CHANG Jun
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%DOI 10.1631/jzus.2005.A0950
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T1 - Waves scattering induced by an interface crack in a coated material
A1 - CHANG Jun
A1 - Liu Yong
A1 - XU Jin-quan
J0 - Journal of Zhejiang University Science A
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SP - 950
EP - 955
%@ 1673-565X
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.A0950
Abstract: This paper deals with the two-dimensional problem of elastic wave scattering from a finite crack at the interface between a coated material layer and its substrate. By adopting the Fourier transform method and introducing the crack opening displacement function, the boundary value problem is simplified for numerically solving a system of Cauchy-type singular integral equations by means of Jacobi polynomial expansion. The stress intensity factors and the crack opening displacements are defined in terms of the integral equations solutions. The influence of the dimensionless wave number and the ratio of crack length to layer thickness on the stress intensity factors and crack opening displacements are discussed.
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