Thermomechanical vibration and buckling response of nonlocal strain gradient porous FG nanobeams subjected to magnetic and thermal fields

被引：38

作者：

Ozmen, Ramazan ^{[1
]}

Kilic, Recep ^{[2
]}

Esen, Ismail ^{[3
]}

机构：

[1] Karabuk Univ, Dept Mechatron Engn, TR-78050 Karabuk, Turkiye

[2] Sakarya Univ Appl Sci, Dept Mech Engn, Sakarya, Turkiye

[3] Karabuk Univ, Dept Mech Engn, Karabuk, Turkiye

来源：

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2024年 / 31卷 / 04期

关键词：

Higher-order shear deformation; Navier's solution; nonlocal strain gradient theory; porous functionally graded nanobeams; FUNCTIONALLY GRADED MICROBEAMS; COUPLE STRESS THEORY; ELASTIC FOUNDATIONS; TIMOSHENKO BEAM; NATURAL FREQUENCY; DYNAMIC-RESPONSE; WAVE-PROPAGATION; FORCED VIBRATION; INTEGRAL MODEL; NANO-BEAMS;

D O I：

10.1080/15376494.2022.2124000

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study investigates the free vibration and thermal buckling behavior of functionally graded porous nanobeams in magnetic and thermal fields using high-order trigonometric shear stress and nonlocal strain gradient elasticity theories. The results demonstrated the effects of nonlocal differential and strain gradient elasticities on softening and stiffness enhancements, respectively. Additionally, the Lorentz force induced by the magnetic field makes nanobeam's vibratory motion difficult, causing the natural frequencies to increase. This situation can contribute to the dynamic stability of nanobeams exposed to the nonlinear temperature distribution. This study's results will assist in designing and implementing micro/nanoelectromechanical systems.

引用

页码：834 / 853

页数：20

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