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首页> 外文期刊>Journal of thermal stresses >EFFECTS OF THERMAL RELAXATIONS ON THERMOVISOCELASTIC INTERACTIONS IN AN UNBOUNDED BODY WITH A SPHERICAL CAVITY SUBJECTED TO A PERIODIC LOADING ON THE BOUNDARY
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EFFECTS OF THERMAL RELAXATIONS ON THERMOVISOCELASTIC INTERACTIONS IN AN UNBOUNDED BODY WITH A SPHERICAL CAVITY SUBJECTED TO A PERIODIC LOADING ON THE BOUNDARY

机译:热松弛对具有周期性空腔载荷的球面空腔的无边界物体在热固弹相互作用中的作用

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摘要

Thermoviscoelastic interactions in an infinite homogeneous viscoelastic medium with a spherical cavity are studied. The cavity surface is subjected to a periodic loading and zero temperature change. The classical dynamical theory of thermoelasticity as well as the generalized theories of thermoelasticity are applied to consider the thermoelastic coupling. The analytical expressions for the closed-form solutions of displacement, temperature, and stresses are obtained; and the thermal relaxation effects on the interactions are studied to compare the three theories. The numerical values of the physical quantities are computed for a suitable material. The results are presented graphically to illustrate the problem.
机译:研究了无限均质粘弹性介质中球形腔的热粘弹性相互作用。模腔表面要承受周期性的载荷,温度要零变化。运用经典的热弹性动力学理论以及广义的热弹性理论来考虑热弹性耦合。得到位移,温度和应力的闭合形式的解析表达式。并研究了热弛豫对相互作用的影响,以比较这三种理论。计算适合材料的物理量的数值。结果以图形方式显示以说明问题。

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