纳米板在热环境中的弯曲和线性动态响应

IF 1.8 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Pham Van Lieu, Nguyen Trong Hai
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引用次数: 0

摘要

文章将有限元法与新型正弦双曲剪切应变假说相结合,研究了同时承受机械、热和电压负载的纳米板的静态弯曲响应和动力学。板平衡方程是从势功的概念发展而来的,其中考虑到了挠电效应的影响。在使用新的应变理论时,作用在板上的电场公式变得更加复杂;然而,其复杂性充分显示了作用在纳米板上的机械和电气成分以及机电成分。计算理论还通过与以前发表的数据进行比较得到了验证。文章还研究了在静态和时变负载情况下,一些材料因素、温度和外部电压对纳米板位移响应和电荷极化的影响。研究结果表明,纳米板的热机械电响应取决于多种因素,这为纳米结构的实际设计和应用奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bending and linear dynamic response of nanoplates in thermal environment
The article combines the finite element method with the novel-type sinusoidal hyperbolic shear strain hypothesis to study the static bending response and dynamics of nanoplates subjected to simultaneous mechanical, thermal, and voltage loads. The plate equilibrium equation is developed from the concept of potential work, which takes into account the impact of the flexoelectricity effect. The formula for the electric field that is operating on the plate becomes more complicated when the new strain theory is used; nonetheless, its complexity adequately displays both the mechanical and electrical components, as well as the electromechanical components, that are acting on the nanoplate. The computational theory is also verified through comparison with previously published data. The article also investigates the influence of some material factors, temperature, and external voltage on displacement response and charge polarization of nanoplates in the case of subjecting to static and time-varying loads. The results demonstrate that the thermomechanical-electrical response of nanoplates is dependent on numerous factors, which serve as the foundation for the practical design and application of nanostructures.
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来源期刊
CiteScore
3.80
自引率
10.00%
发文量
625
审稿时长
4.3 months
期刊介绍: The Journal of Mechanical Engineering Science advances the understanding of both the fundamentals of engineering science and its application to the solution of challenges and problems in engineering.
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