非局部双相滞后卡塔尼奥型热弹性扩散理论及其在铜金属层状结构一维瞬态动态响应分析中的应用

IF 2.3 3区工程技术 Q2 MECHANICS

Acta Mechanica Pub Date : 2024-08-08 DOI:10.1007/s00707-024-04050-6

Chenlin Li, Jiaheng Liu, Tianhu He

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引用次数: 0

摘要

为了准确预测金属固体在纳米级加热条件下的瞬态热弹性扩散响应，本研究旨在借助艾林根的非局部连续介质力学，同时考虑弹性变形、热量和质量传输的非局部效应，建立非局部双相滞后卡塔尼奥型热弹性扩散理论。利用特征值方法，将所提出的模型用于研究铜金属层状结构的一维瞬态动态响应。评估并讨论了非局部特征长度对结构动态响应和波传播的影响。

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Nonlocal dual-phase-lag Cattaneo-type thermoelastic diffusion theory and its application in 1D transient dynamic responses analysis for copper-metallic layered structure

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Nonlocal dual-phase-lag Cattaneo-type thermoelastic diffusion theory and its application in 1D transient dynamic responses analysis for copper-metallic layered structure

To accurately predict transient thermoelastic diffusion responses of the metallic solids in nanoscale heating condition, this work aims to establish a nonlocal dual-phase-lag Cattaneo-type thermoelastic diffusion theory by simultaneously consider the nonlocal effects of elastic deformation, heat and mass transport with the aid of Eringen’s nonlocal continuum mechanics. The proposed model is applied to investigate 1D transient dynamic response for copper-metallic layered structure by using eigenvalue approach. The influences of nonlocal characteristic lengths on the structural dynamic responses and wave propagations are evaluated and discussed.

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来源期刊

Acta Mechanica 物理-力学

CiteScore

4.30

自引率

14.80%

发文量

292

审稿时长

6.9 months

期刊介绍： Since 1965, the international journal Acta Mechanica has been among the leading journals in the field of theoretical and applied mechanics. In addition to the classical fields such as elasticity, plasticity, vibrations, rigid body dynamics, hydrodynamics, and gasdynamics, it also gives special attention to recently developed areas such as non-Newtonian fluid dynamics, micro/nano mechanics, smart materials and structures, and issues at the interface of mechanics and materials. The journal further publishes papers in such related fields as rheology, thermodynamics, and electromagnetic interactions with fluids and solids. In addition, articles in applied mathematics dealing with significant mechanics problems are also welcome.