Dynamic Full-Field Analysis of a Surface Crack Subjected to an Antiplane Moving Loading

doi:10.1080/02533839.2002.9670738

機構典藏 > College of Engineering > Graduate Institute & Department of Aerospace Engineering > Journal Article > Item 987654321/45983

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Title:	Dynamic Full-Field Analysis of a Surface Crack Subjected to an Antiplane Moving Loading
Other Titles:	表面裂紋承受反平面移動動力載荷之暫態全場解析
Authors:	應宜雄;Ing, Yi-shyong;林瑞庭;Lin, Jui-ting
Contributors:	淡江大學航空太空工程學系
Keywords:	動力破壞;表面裂紋;移動載荷;暫態波 Dynamic fracture;Surface crack;Moving loading;Transient wave
Date:	2002-11
Issue Date:	2013-07-11 11:55:52 (UTC+8)
Publisher:	Taipei : Chinese Institute of Chemical Engineers
Abstract:	In this study, the transient full-field solution of a surface crack subjected to a dynamic anti-plane moving loading is investigated. The solution is determined by superposition of proposed fundamental solutions in the Laplace transform domain. The fundamental solutions to be used are the problems for applying exponentially distributed traction and screw dislocations on the crack faces and along the crack tip line, respectively. The exact transient solutions of shear stresses and displacement are obtained and expressed in compact formulations. The solutions are valid for an infinite length of time and have accounted for the contributions of an infinite number of diffracted and reflected waves. Numerical calculations for both moving and stationary loading cases are evaluated and discussed in detail. The results indicate that the stresses will approach steady-state or static Solutions after the first few waves have passed through the receiver.
Relation:	Journal of the Chinese Institute of Engineers=中國工程學刊 25(6), pp.639-651
DOI:	10.1080/02533839.2002.9670738
Appears in Collections:	[Graduate Institute & Department of Aerospace Engineering] Journal Article

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