Dynamic Instability of Sandwich Beams Made of Isotropic Core and Functionally Graded Graphene Platelets-Reinforced Composite Face Sheets

被引：31
作者：
Asgari, Gholam Reza [1 ]
Arabali, Amirbahador [2 ]
Babaei, Masoud [1 ]
Asemi, Kamran [3 ]
机构：
[1] Univ Eyvanekey, Dept Mech Engn, Eyvanekey, Semnan, Iran
[2] Islamic Azad Univ, Fac Engn, Dept Civil Engn, Cent Tehran Branch, Tehran, Iran
[3] Islamic Azad Univ, Dept Mech Engn, North Tehran Branch, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS | 2022年 / 22卷 / 08期
关键词：
Dynamic instability; sandwich beam; isotropic core; FG GPL-reinforced face sheets; Frostig theory; third-order beam theory; FREE-VIBRATION ANALYSIS; BUCKLING ANALYSIS; STABILITY; PANELS; SHELL;
D O I：
10.1142/S0219455422500924
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this study, dynamic instability of a sandwich beam made of an isotropic core and functionally graded (FG) graphene platelets-reinforced composite (GPLRC) face sheets is investigated for the first time. A Frostig theory for soft core and third-order shear deformation theory (TSDT) for sheets are used. Hamilton's principle is used to derive the governing equations of motion, and by applying Bolotin's approach, the dynamic instability regions (DIRs) are investigated. A comprehensive investigation is conducted to assess the effects of different weight fractions of nanofiller, various GPL patterns, boundary conditions, slenderness ratio, the thickness of face sheet and static load factors on the DIRs of the beam.
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页数：32
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[1]   Dynamic stability control of viscoelastic nanocomposite piezoelectric sandwich beams resting on Kerr foundation based on exponential piezoelasticity theory [J].
Al-Furjan, M. S. H. ;
Farrokhian, Ahmad ;
Keshtegar, Behrooz ;
Kolahchi, Reza ;
Nguyen-Thoi Trung .
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS, 2021, 86 (86)
[2]   Buckling and free vibration analyses of a sandwich beam made of a soft core with FG-GNPs reinforced composite face-sheets using Ritz Method [J].
Arefi, Mohammad ;
Najafitabar, Farshid .
THIN-WALLED STRUCTURES, 2021, 158 (158)
[3]   Effect of various characteristics of graphene nanoplatelets on thermal buckling behavior of FGRC micro plate based on MCST [J].
Arefi, Mohammad ;
Bidgoli, Elyas Mohammad-Rezaei ;
Rabczuk, Timon .
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS, 2019, 77
[4]   Static, natural frequency and dynamic analyses of functionally graded porous annular sector plates reinforced by graphene platelets [J].
Asemi, Kamran ;
Babaei, Masoud ;
Kiarasi, Faraz .
MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES, 2022, 50 (11) :3853-3881
[5]   Dynamic instability and free vibration behavior of three-layered soft-cored sandwich beams on nonlinear elastic foundations [J].
Asgari, Gholamreza ;
Payganeh, Gholamhassan ;
Fard, Keramat Malekzadeh .
STRUCTURAL ENGINEERING AND MECHANICS, 2019, 72 (04) :525-540
[6]   Perturbation Method for Thermal Post-Buckling Analysis of Shear Deformable FG-CNTRC Beams with Different Boundary Conditions [J].
Babaei, Hadi ;
Kiani, Yaser ;
Eslami, M. Reza .
INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS, 2021, 21 (13)
[7]   Stress wave propagation and natural frequency analysis of functionally graded graphene platelet-reinforced porous joined conical-cylindrical-conical shell [J].
Babaei, Masoud ;
Kiarasi, Faraz ;
Hossaeini Marashi, Sayed Mahdi ;
Ebadati, Mohammad ;
Masoumi, Farshid ;
Asemi, Kamran .
WAVES IN RANDOM AND COMPLEX MEDIA, 2021, :5077-5109
[8]   Static, dynamic and natural frequency analyses of functionally graded carbon nanotube annular sector plates resting on viscoelastic foundation [J].
Babaei, Masoud ;
Asemi, Kamran .
SN APPLIED SCIENCES, 2020, 2 (10)
[9]   Bending, free vibration and buckling of functionally graded carbon nanotube-reinforced sandwich plates, using the extended Refined Zigzag Theory [J].
Di Sciuva, M. ;
Sorrenti, M. .
COMPOSITE STRUCTURES, 2019, 227
[10]   An effective approach to reinforced closed-cell Al-alloy foams with multiwalled carbon nanotubes [J].
Duarte, Isabel ;
Ventura, Eduardo ;
Olhero, Susana ;
Ferreira, Jose M. F. .
CARBON, 2015, 95 :589-600
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