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《Chinese Journal of Solid Mechanics》 2008-03
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SCATTERING OF SH-WAVES BY A SHALLOW BURIED CIRCULAR LINER WITH A PARTIALLY DEBONDED REGION

Jiaxi Zhao1,2 Hui Qi1 Diankui Liu1 Hongliang Li1(1College of Aerospace and Civil Engineering,Harbin Engineering University,Harbin,150001)(2Chinese Academy of Scienes,Shenyang National(Consociation)Laboratory for Meterials Science,Shenyang,110016)  
The scattering of SH-waves by a shallow buried circular liner with a partially debonded region in a half space is studied by analytical function method.Firstly,the solution domain is divided into two parts.The scattering wave function in the circular liner is constructed with vanished stress on the debonded region.Then,the wave function is expanded into Fourier series.In the half space,the boundary condition of the medium should satisfy the vanished stress on the the debonded region and the continuous stress and displacement on the remainder boundary of the elastic inclusion.The "conjunction" is applied on the common boundary and the debonded region is constructed.A set of infinite algebraic equations to solve this problem are obtained.In the end,numerical examples of the surface displacement about two classical kinds of circular liner used widely in engineering are presented,the influences by the incident wave parameters,the position of debonded region and the depth of circular liners are discussed.
【Fund】: 黑龙江省自然科学基金(A0206)资助.
【CateGory Index】: TU311.3
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