The analysis of thermal stresses in thermopiezoelastic semi-infinite body with an edge crack |
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Authors: | O P Niraula N Noda |
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Institution: | (1) Graduate School of Science and Engineering, Shizuoka University, 5-1 Johoku 3 chome, Hamamatsu, 432-8561, Japan, JP;(2) Department of Mechanical Engineering, Faculty of Engineering, Shizuoka University, 5-1 Johoku 3 chome, Hamamatsu, 432-8561, Japan e-mail: tmnnoda@ipc.shizuoka.ac.jp, JP |
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Abstract: | Summary Thermopiezoelastic materials have recently attracted considerable attention because of their potential use in intelligent
or smart structural systems. The governing equations of a thermopiezoelastic medium are more complex due to the intrinsic
coupling effects that take place among mechanical, electrical and thermal fields. In this analysis, we deal with the problem
of a crack in a semi-infinite, transversely isotropic, thermopiezoelastic material by means of potential functions and Fourier
transforms under steady heat-flux loading conditions. The problem is reduced to a singular integral equation that is solved.
The thermal stress intensity factor for a crack situated in a cadmium selenide material is calculated.
Received 20 March 2001; accepted for publication 18 October 2001 |
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Keywords: | Fracture Mechanics Thermal Stress Intensity Factor Edge Crack Thermopiezoelastic Material Singular Integral Equation |
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