Effects of thermal relaxations on thermoelastic interactions in an infinite orthotropic elastic medium with a cylindrical cavity

被引：0
作者：
Ibrahim A. Abbas
Abo-el-nour N. Abd-alla
机构：
[1] Sohag University,Department of Mathematics, Faculty of Science
来源：
Archive of Applied Mechanics | 2008年 / 78卷
关键词：
Finite-element method; Orthotropic medium; Generalized thermoelasticity;
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摘要：
Thermoelastic interactions in an infinite orthotropic elastic medium with a cylindrical cavity are studied. The cavity surface is subjected to ramp-type heating of its internal boundary, which is assumed to be traction free. Lord–Shulman and Green–Lindsay models for the generalized thermoelasticity theories are selected since they allow for second-sound effects and reduce to the classical model for an appropriate choice of the parameters. The temperature, radial displacement, radial stress, and hoop stress distributions are computed numerically using the finite-element method (FEM). The results are presented graphically for different values of the thermal relaxation times using the three different theories of generalized thermoelasticity. Excellent agreement is found between the finite-element analysis and analytical and classical solutions.
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页码：283 / 293
页数：10
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