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Titolo:
Transient analysis of a piezoelectric strip with a permeable crack under anti-plane impact loads
Autore:
Li, XF; Fan, TY;
Indirizzi:
Hunan Normal Univ, Coll Math & Phys, Changsha 410081, Hunan, Peoples R China Hunan Normal Univ Changsha Hunan Peoples R China 410081 , Peoples R China Beijing Inst Technol, Res Ctr Mat Sci, Beijing 100081, Peoples R China Beijing Inst Technol Beijing Peoples R China 100081 081, Peoples R China
Titolo Testata:
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE
fascicolo: 2, volume: 40, anno: 2002,
pagine: 131 - 143
SICI:
0020-7225(200201)40:2<131:TAOAPS>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
MODE-III CRACK; FRACTURE-MECHANICS; NUMERICAL INVERSION; FINITE CRACK; CERAMICS; PROPAGATION; STRESS; SHEAR;
Keywords:
piezoelectric strip; crack; transient response; stress intensity factor;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Li, XF Hunan Normal Univ, Coll Math & Phys, Changsha 410081, Hunan, Peoples R China Hunan Normal Univ Changsha Hunan Peoples R China 410081 es R China
Citazione:
X.F. Li e T.Y. Fan, "Transient analysis of a piezoelectric strip with a permeable crack under anti-plane impact loads", INT J ENG S, 40(2), 2002, pp. 131-143

Abstract

The problem of a through permeable crack situated in the mid-plane of a piezoelectric strip is considered under anti-plane impact loads for two cases. The first is that the strip boundaries are free of stresses and of electric displacements, and the second is that the strip boundaries are clamped rigid electrodes. The method adopted is to reduce the mixed initial-boundaryvalue problem, by using integral transform techniques, to dual integral equations, which are further transformed into a Fredholm integral equation ofthe second kind by introducing an auxiliary function. The dynamic stress intensity factor and energy release rate in the Laplace transform domain areobtained in explicit form in terms of the auxiliary function. Some numerical results for the dynamic stress intensity factor are presented graphically in the physical space by using numerical techniques for solving the resulting Fredholm integral equation and inverting Laplace transform. (C) 2001 Elsevier Science Ltd. All rights reserved.

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Documento generato il 26/09/20 alle ore 11:27:28