变导热率轴对称空心圆柱在热冲击下的广义热弹性理论

IF 2.4 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Molecular and Engineering Materials Pub Date : 2018-09-01 DOI:10.1142/S2251237318500065
A. Zenkour
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引用次数: 3

摘要

研究了变导热系数的热冲击下夹紧轴对称无限空心圆柱体的热弹性问题。无限大空心圆柱体的外表面被认为是绝热的,而内表面受到初始热源的加热。此外,圆柱体被认为是夹紧在其内部和外部半径。用广义热弹性理论来处理场量。所有的广义热弹性理论,如Green和Lindsay, Lord和Shulman,以及耦合热弹性(CTE)都被认为是本理论的特殊情况。研究了不同的导热系数和时间参数对空心圆柱体径向位移、温度和应力的影响。
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Generalized Thermoelasticity Theories for Axisymmetric Hollow Cylinders Under Thermal Shock with Variable Thermal Conductivity
The thermoelastic problem of clamped axisymmetric infinite hollow cylinders under thermal shock with variable thermal conductivity is presented. The outer surface of infinite hollow cylinder is considered to be thermally insulated while inner surface is subjected to an initial heating source. In addition, the cylinder is considered to be clamped at its inner and outer radii. Generalized thermoelasticity theories are used to deal with the field quantities. All generalized thermoelasticity theories such as Green and Lindsay, Lord and Shulman, and coupled thermoelasticity (CTE) are considered as special cases of the present theory. Effects of variable thermal conductivity and time parameters on radial displacement, temperature, and stresses of the hollow cylinders are investigated.
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来源期刊
Journal of Molecular and Engineering Materials
Journal of Molecular and Engineering Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
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