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首页> 外文期刊>Journal of thermal stresses >FRACTIONAL ORDER THEORY OF THERMOELASTICITY FOR ELASTIC MEDIUM WITH VARIABLE MATERIAL PROPERTIES
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FRACTIONAL ORDER THEORY OF THERMOELASTICITY FOR ELASTIC MEDIUM WITH VARIABLE MATERIAL PROPERTIES

机译:具有可变材料特性的弹性介质的热弹性分数阶理论

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摘要

In this work, a new theory of generalized thermoelasticity for elastic media with variable properties has been constructed in the context of the fractional order heat conduction. The Clausius inequality and the higher expansions of the free energy are used to derive the formulations of anisotropic heterogeneous material with temperature-dependent material properties. The governing equations for the isotropic homogeneous material are also obtained, and which can be reduced to the corresponding L-S theory and the classical coupled theory for the different values of the fractional order parameter, respectively. Furthermore, a uniqueness theorem of the initial mixed boundary value problem for this new theory is stated and proved.
机译:在这项工作中,在分数阶热传导的背景下,构造了具有可变特性的弹性介质的广义热弹性新理论。克劳修斯不等式和自由能的较高扩展被用于导出具有随温度变化的材料特性的各向异性异质材料的公式。还获得了各向同性均质材料的控制方程,对于分数阶参数的不同值,可以将其简化为相应的L-S理论和经典耦合理论。此外,提出并证明了该新理论的初始混合边值问题的唯一性定理。

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