Scattering of SH-wave by Cylindrical Inclusion in Right-angle Plane with Arbitrary Beeline Crack

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (5) : 208-212.

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Scattering of SH-wave by Cylindrical Inclusion in Right-angle Plane with Arbitrary Beeline Crack

QI Hui YANG Jie Li Hongliang Yang Zailin

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Abstract

Abstract: Green’s function and complex function methods are used here to investigate the problem of the scattering of SH-wave by a cylindrical inclusion in right-angle plane with an arbitrary beeline crack. Firstly, Green’s function was constructed which was an essential solution of displacement field for an elastic right-angle plane possessing a cylindrical inclusion while bearing out-of-plane harmonic line source load at any point. Secondly, crack was made out with crack-division technique, and expressions of displacement and stress are written while crack and cylindrical inclusion are both in existent. Finally, some examples and results for dynamic stress concentration factor of the cylindrical elastic inclusion are given, and the influence of crack to dynamic stress concentration factor at the edge of cylindrical elastic inclusion is discussed.

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Right-angle plane / Cylindrical inclusion / Arbitrary beeline crack / Green’s function / Dynamic stress concentration factor (DSCF)

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QI Hui YANG Jie Li Hongliang Yang Zailin. Scattering of SH-wave by Cylindrical Inclusion in Right-angle Plane with Arbitrary Beeline Crack[J]. Journal of Vibration and Shock, 2011, 30(5): 208-212