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An Elliptical Crack in a Thermopiezoelectric Solid under Uniform Temperature Gradient: Analytical Development

Journal Key Engineering Materials (Volumes 261 - 263)
Volume Advances in Fracture and Failure Prevention
Edited by Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka
Pages 63-68
DOI 10.4028/www.scientific.net/KEM.261-263.63
Online since April, 2004
Authors F. Shang, Meinhard Kuna, Takayuki Kitamura
Keywords Analytical Solution, Elliptical Crack, Finite Element Method (FEM), Temperature Gradient, Thermopiezoelectricity
Abstract An elliptical crack subjected to uniform temperature gradient in an infinite thermopiezoelectric solid is investigated in this work. Theoretical attempt has been made to find the temperature and piezoelectric fields at first by using a potential function formulation. The field intensity factors due to the thermal disturbance are obtained, as well as the local fields of the stresses and electric displacements near the crack front.
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