Investigation on Transient Responses of a Piezoelectric Crack by using Durbin and Zhao Methods for Numerical Inversion of Laplace Transforms

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Title:	Investigation on Transient Responses of a Piezoelectric Crack by using Durbin and Zhao Methods for Numerical Inversion of Laplace Transforms
Authors:	Ing, Y.-S.;Liao, H.-F.
Contributors:	淡江大學航空太空工程學系
Keywords:	Piezoelectric;Crack;Transient;Inversion;Laplace transform
Date:	2014-02-01
Issue Date:	2014-03-19 13:47:59 (UTC+8)
Publisher:	Cambridge: Cambridge University Press
Abstract:	This study applies the numerical inversion of Laplace transform methods to study the piezoelectric dynamic fracture problem, recalculating Chen and Karihaloo's [1] analysis on the transient response of a impermeable crack subjected to anti-plane mechanical and in-plane electric impacts. Three numerical methods were adopted for calculating the dynamic stress intensity factor: Durbin method, Zhao method 1, and Zhao method 2. The results obtained were more accurate than the results in Chen and Karihaloo's [1] study. Through the calculation, this study presents a better range of parameters for the above three methods, and compares the advantages and disadvantages of each method in detail.
Relation:	Journal of Mechanics 30(1), pp.3-10
DOI:	10.1017/jmech.2013.45
Appears in Collections:	[Graduate Institute & Department of Aerospace Engineering] Journal Article

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