基于精细多双相滞后模型的热扩散压电功能梯度棒中的多热波

IF 1.1 Q4 MECHANICS

Curved and Layered Structures Pub Date : 2022-01-01 DOI:10.1515/cls-2022-0010

Poongkothai Jeyaraman, S. Mahesh, R. Selvamani, R. Dimitri, Francesco Tornabene

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引用次数: 3

摘要

摘要在本工作中，通过多相滞后模型和热激活，为压热弹性扩散功能梯度棒中的波散射提供了一个新的分析模型。考虑了热压电功能梯度棒的平面应变模型。利用满足压电-热弹性功能梯度杆非线性边界条件的常模法，得到了复特性方程。对铜材料进行了数值计算。探讨了变应力、机械位移、温度和电场分布、频率与几何参数的关系，并用图形表示了一些特殊参数的分级指数、浓度常数。观察到的结果将详细讨论。研究结果可以在压电热弹性材料和智能材料行业引起合理的重视。

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Multi thermal waves in a thermo diffusive piezo electric functionally graded rod via refined multi-dual phase-lag model

Abstract In the present work, a novel analytical model is provided for wave dispersion in a piezo-thermoelastic diffusive functionally graded rod through the multi-phase lag model and thermal activation. The plain strain model for thermo piezoelectric functionally graded rod is considered. The complex characteristic equations are obtained by using normal mode method which satisfies the nonlinear boundary conditions of piezo-thermoelastic functionally graded rod. The numerical calculations are carried out for copper material. The results of the variants stress, mechanical displacement, temperature and electric distribution, frequency are explored against the geometric parameters and some special parameters graded index, concentration constants are shown graphically. The observed results will be discuss elaborate. The results can be build reasonable attention in piezo-thermoelastic materials and smart materials industry.

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来源期刊

Curved and Layered Structures MECHANICS-

CiteScore

2.60

自引率

13.30%

发文量

审稿时长

14 weeks

期刊介绍： The aim of Curved and Layered Structures is to become a premier source of knowledge and a worldwide-recognized platform of research and knowledge exchange for scientists of different disciplinary origins and backgrounds (e.g., civil, mechanical, marine, aerospace engineers and architects). The journal publishes research papers from a broad range of topics and approaches including structural mechanics, computational mechanics, engineering structures, architectural design, wind engineering, aerospace engineering, naval engineering, structural stability, structural dynamics, structural stability/reliability, experimental modeling and smart structures. Therefore, the Journal accepts both theoretical and applied contributions in all subfields of structural mechanics as long as they contribute in a broad sense to the core theme.