The near tip field expansion of a propagating anti‐plane crack with nonuniform velocity

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Title:	The near tip field expansion of a propagating anti‐plane crack with nonuniform velocity
Other Titles:	非等速反平面裂紋擴展的近場展開解析
Authors:	Ing, Yi-shyong;應宜雄;Ma Chien-ching;馬劍清
Contributors:	淡江大學航空太空工程學系
Keywords:	裂紋尖端近場;擴展裂紋;暫態解析;Near tip field;Propagating crack;Transient analysis
Date:	1999-05
Issue Date:	2013-07-11 11:56:16 (UTC+8)
Publisher:	Taipei : Chinese Institute of Chemical Engineers
Abstract:	In this study, a higher order asymptotic expansion of anti‐plane crack tip fields is investigated for dynamic transient crack growth. A six term and a three term expansion for the shear stresses around the crack tip are obtained for cracks propagating at constant and nonuniform velocity, respectively. In order to compare with the near tip field solution derived in this study, an exact transient solution of propagating cracks with constant velocity is examined. The result shows that the use of the singular field to represent the actual stress field should be carefully considered, especially in the early stages of the dynamic transient field.
Relation:	Journal of the Chinese Institute of Engineers=中國工程學刊 22(3), pp.293-300
DOI:	10.1080/02533839.1999.9670466
Appears in Collections:	[Graduate Institute & Department of Aerospace Engineering] Journal Article

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