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Alternative TitleDynamic analyses of SH guided waves by circular cylindrical cavity in an elastic strip
齐辉; 蔡立明; 潘向南; 张洋
Source Publication工程力学
Other AbstractDynamic stress concentrations during anti-plane motion caused by a defect an elastic shell can be treated as a scattering problem of a circular cylindrical cavity with SH guided waves in an elastic strip for the purposes of analysis. Firstly, a compatible guided wave is formulated in the elastic strip, which satisfies stress free conditions in upper and lower bounds. Secondly, the scattering of waves around a circular cylindrical cavity is expressed as series form by the employed wave function expansion method, and compatible scattering guided waves resulting from the reflection of waves off the bounds of the elastic strip is constructed by repeated image superposition. Lastly, the coefficients of the wave function expansion are determined based on the stress free condition of circular cylindrical bounds with pre-given incident guided waves. Numerical calculating examples are presented to solve scattering around a circular cylindrical cavity with a given SH guided wave, to describe dynamic stress distribution at the edge of a cavity, and to discuss influences of guided orders, frequencies, and positions of cavity. ©, 2015, Tsinghua University. All right reserved.
KeywordSh波 导波 散射 圆柱孔洞 弹性带形介质 动应力集中
Indexed ByEI ; CSCD
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Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
齐辉,蔡立明,潘向南,等. 带形介质内SH型导波对圆柱孔洞的动力分析[J]. 工程力学,2015,32(3):9-14+21.
APA 齐辉,蔡立明,潘向南,&张洋.(2015).带形介质内SH型导波对圆柱孔洞的动力分析.工程力学,32(3),9-14+21.
MLA 齐辉,et al."带形介质内SH型导波对圆柱孔洞的动力分析".工程力学 32.3(2015):9-14+21.
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