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首页> 外文期刊>Journal of thermal stresses >GENERALIZED THERMOELASTICITY OF AN INFINITE BODY WITH A CYLINDRICAL CAVITY AND VARIABLE MATERIAL PROPERTIES
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GENERALIZED THERMOELASTICITY OF AN INFINITE BODY WITH A CYLINDRICAL CAVITY AND VARIABLE MATERIAL PROPERTIES

机译：具有圆柱腔和各种材料性能的无限大体的广义热弹性。

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摘要

The equations of generalized thermoelasticity with one relaxation time in an isotropic elastic medium with temperature-dependent mechanical and thermal properties are established. The modulus of elasticity and the thermal conductivity are taken as linear function of temperature. A problem of an infinite body with a cylindrical cavity has been solved by using Laplace transform techniques. The interior surface of the cavity is subjected to thermal and mechanical shocks. The inverse of the Laplace transform is done numerically using a method based on Fourier expansion techniques. The temperature, the displacement, and the stress distributions are represented graphically. A comparison was made with the results obtained in the case of temperature-independent mechanical and thermal properties.
机译：建立了各向同性弹性介质中具有一松弛时间的广义热弹性方程，该方程具有随温度变化的机械和热学性质。弹性模量和热导率被视为温度的线性函数。通过使用拉普拉斯变换技术已经解决了具有圆柱腔的无限物体的问题。空腔的内表面受到热和机械冲击。拉普拉斯变换的逆使用基于傅立叶展开技术的方法在数值上完成。温度，位移和应力分布用图形表示。比较了与温度无关的机械和热性能的结果。

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