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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/46022


    Title: The Stress Intensity Factor for a Surface Crack Due to Moving Impact Loading
    Authors: Ing, Yi-shyong;Lin, Jui-ting
    Contributors: 淡江大學航空太空工程學系
    Keywords: Stress Intensity Factor;Surface Crack;Moving Loading;Transient Wave;Dynamic Analysis
    Date: 2002-03
    Issue Date: 2013-03-20 16:33:02 (UTC+8)
    Publisher: 臺北縣:淡江大學
    Abstract: In this study, the dynamic stress intensity factor of a surface crack subjected to an antiplane moving loading is derived. 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 transient response for stress intensity factor is 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 stress intensity factor will approach the steady-state or static solutions after the first few waves have passed the crack tip.
    Relation: Tamkang Journal of Science and Engineering=淡江理工學刊 5(1), pp.21-30
    DOI: 10.6180/jase.2002.5.1.03
    Appears in Collections:[航空太空工程學系暨研究所] 期刊論文

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