Thermo-electro-mechanical coupling dynamic analysis of piezoelectric structures via stabilized node-based smoothed radial point interpolation method

被引：1
|
作者：
Nie, Bin [1 ]
Xi, Jialu [2 ]
Wang, Yajin [1 ]
Meng, Guangwei [1 ]
Zhou, Liming [1 ]
Xin, Yuanzhu [1 ]
机构：
[1] Jilin Univ, Sch Mech & Aerosp Engn, Changchun, Peoples R China
[2] Changchun Univ Technol, Sch Mech & Elect Engn, Changchun, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2023年 / 30卷 / 23期
关键词：
Stabilized node-based smoothed radial point interpolation method; dynamic analysis; thermal effect; thermo-electro-mechanical coupling; piezoelectric effect; FINITE-ELEMENT-METHOD; G SPACE THEORY; WEAK W-2 FORM; UNIFIED FORMULATION; VIBRATION ANALYSIS; FEM; SENSOR; PLATES; BEAMS; MODEL;
D O I：
10.1080/15376494.2022.2109783
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The thermo-electro-mechanical coupling (TEMC) problem of the piezoelectric structure was analyzed. And the stabilized node-based smoothed radial point interpolation method (SNS-RPIM) was utilized during the computation. And the fundamental formulas were derived under thermo-mechanical load and the model of the problem was analyzed with triangular elements. The existence of thermal stress was taken into consideration. The dynamic behaviors for the TEMC problem were investigated by SNS-RPIM and finite element method (FEM) when different kinds of thermo-mechanical loadings were applied. The superiority of the proposed scheme for the TEMC problems was verified. The empirical constant was set to negative. Besides, the temperature rise can make the model softer and thermal load increase, which leads to a decrease of structural stiffness and natural frequency, thus, the displacement increases.
引用
收藏
页码：4952 / 4968
页数：17
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