Dynamic analysis of cracks running at a constant velocity in a strip

勤益科大機構典藏 > 管理學院 > 研發與科技管理研究所 > 【研發與科技管理研究所】期刊論文 > Item 987654321/6785

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题名:	Dynamic analysis of cracks running at a constant velocity in a strip
作者:	黃嘉彥
贡献者:	資訊管理(學)系
日期:	2011-04
上传时间:	2017-12-17 09:06:01 (UTC+8)
摘要:	The scattering of a time-harmonic anti-plane shear (SH) wave by finite length cracks with constant velocity in an elastic medium is considered. In the first case, cracks are assumed to propagate in an infinite elastic space. In the second case, the problems of propagation of subsurface crack and edge crack propagating with uniform velocity in a half-space are treated. In the third case, based on the extension of the dislocation model and images method for the free surface, an analysis of the scattering of SH waves by cracks moving in a strip is carried out. The effects of the wave number, crack velocity and relative position of the cracks are presented. The dynamic stress intensity factors (SIFs) are numerically computed and the results are shown graphically.
關聯:	WSEAS Transactions on Applied and Theoretical Mechanics
显示于类别:	[研發與科技管理研究所] 【研發與科技管理研究所】期刊論文

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