scholarly journals Thermoelastic Damping in FGM Nano-Electromechanical System in Axial Vibration Based on Eringen Nonlocal Theory

2017 ◽  
Vol 53 (6) ◽  
pp. 727-734 ◽  
Author(s):  
Z. Rahimi ◽  
S. Rashahmadi
Keyword(s):  
Nonlocal Theory ◽  
Electromechanical System ◽  
Axial Vibration ◽  
Thermoelastic Damping ◽  
Nano Electromechanical System ◽  
Eringen Nonlocal Theory

scholarly journals Electromechanically induced absorption in a circuit nano-electromechanical system

2012 ◽  
Vol 14 (12) ◽  
pp. 123037 ◽  
Author(s):  
Fredrik Hocke ◽  
Xiaoqing Zhou ◽  
Albert Schliesser ◽  
Tobias J Kippenberg ◽  
Hans Huebl ◽  
...  
Keyword(s):  
Electromechanical System ◽  
Induced Absorption ◽  
Nano Electromechanical System

scholarly journals Electrical read out of nano-electromechanical system signal by using graphene resonant channel transistor

2012 ◽  
Vol 61 (1) ◽  
pp. 010701
Author(s):  
Xu Yue-Hang ◽  
Guo Yun-Chuan ◽  
Wu Yun-Qiu ◽  
Xu Rui-Min ◽  
Yan Bo
Keyword(s):  
Electromechanical System ◽  
Nano Electromechanical System

Ultra-low Friction and Patterning on Atomically Thin MoS2 via Electronic Tightly Binding

Nanoscale ◽  
2021 ◽  
Author(s):  
Bin Shi ◽  
Xuehui Gan ◽  
Yitian Peng ◽  
Haojie Lang ◽  
kun zou ◽  
...  
Keyword(s):  
Molybdenum Disulfide ◽  
Solid Lubricant ◽  
Electromechanical System ◽  
Two Dimensional ◽  
Low Friction ◽  
Nano Electromechanical System

Atomically thin two-dimensional molybdenum disulfide (MoS2) is well known for its excellent lubricating characteristics and is usually used as a solid lubricant in diverse micro/nano electromechanical system (MEMS/NEMS). The friction...

Size-dependent free vibration of axially functionally graded tapered nanorods having nonlinear spring constraint with a tip nanoparticle

2019 ◽  
Vol 25 (21-22) ◽  
pp. 2769-2783 ◽  
Author(s):  
Arian Bahrami ◽  
Ali Zargaripoor ◽  
Hamidreza Shiri ◽  
Nima Khosravi
Keyword(s):  
Literature Review ◽  
Natural Frequencies ◽  
Nonlocal Parameter ◽  
Nonlocal Theory ◽  
Functionally Graded ◽  
The Other ◽  
Constant Mass ◽  
Axial Vibration ◽  
Nonlinear Spring ◽  
Size Dependent

According to the present literature review, the axial vibration of the axially functionally graded (FG) tapered nanorod with attached nonlinear spring has not been addressed so far. In this study, the axial vibration of the FG tapered nanorod is studied based on Eringen’s nonlocal theory, in which one end of the nanorod is clamped and the other end is attached to a nonlinear spring and a nanoparticle. The influence of different parameters such as the nonlinear spring constant, mass of the nanoparticle, and the nonlocal parameter on the natural frequencies is presented in detail. The solutions via Tables can be utilized as a reliable reference for evaluating the validity of future researches. The presented nonlocal solutions can be helpful for those who are interested in designing micro/nano electromechanical systems.

Identification of the Bouc–Wen Hysteresis Model for Piezoelectric Actuated Micro/Nano Electromechanical System

2013 ◽  
Vol 10 (4) ◽  
pp. 983-988 ◽  
Author(s):  
Long Ma ◽  
Wanqing Li ◽  
Qi Wang ◽  
Xiaochun Zhang ◽  
Yanzhong Jin ◽  
...  
Keyword(s):  
Electromechanical System ◽  
Hysteresis Model ◽  
Nano Electromechanical System

Free and forced axial vibration of single walled carbon nanotube under linear and harmonic concentrated forces based on nonlocal theory

2020 ◽  
Vol 34 (08) ◽  
pp. 2050067 ◽  
Author(s):  
Farshad Khosravi ◽  
Seyyed Amirhosein Hosseini ◽  
Hasti Hayati
Keyword(s):  
Carbon Nanotube ◽  
Natural Frequencies ◽  
Constitutive Relations ◽  
Nonlocal Parameter ◽  
Nonlocal Theory ◽  
Axial Vibration ◽  
Single Walled Carbon Nanotube ◽  
Single Walled Carbon ◽  
Concentrated Forces

The aim of this paper is to investigate the free and forced axial vibrations under the two various linear and harmonic axial concentrated forces in zigzag single-walled carbon nanotube (SWCNT). Two different boundary conditions, namely clamped–clamped and clamped-free, are established. Eringen’s nonlocal elasticity is employed to justify the nonlocal behavior of constitutive relations. The governing equation and the associated boundary condition are derived based on Hamilton’s principle. In order to solve the derived equation numerically, the assumed modes method is utilized. In the free axial vibration section, the first three natural frequencies are obtained for the various values of the nonlocal parameter. The results are in good agreement in comparison with another study. The fundamental natural frequencies with respect to the nonlocal parameter of the case study as a semiconducting nanotube with boron nitride nanotube (BNNT) as a semiconducting nanotube and SWCNT (5,5) as a metallic nanotube are compared. The effects of the nonlocal parameter, thickness and ratio of the excitation-to-natural frequencies overtime on dimensional and nondimensional axial displacements are studied.

Study and control of thermoelastic damping of in-plane vibration of the functionally graded nano-plate

2019 ◽  
Vol 25 (23-24) ◽  
pp. 2850-2862 ◽  
Author(s):  
Zaher Rahimi ◽  
Wojciech Sumelka ◽  
Samrand Rash Ahmadi ◽  
Dumitru Baleanu
Keyword(s):  
Nonlocal Parameter ◽  
Nonlocal Theory ◽  
Research Field ◽  
Functionally Graded ◽  
Dissipated Energy ◽  
Thermoelastic Damping ◽  
Plane Vibration ◽  
Graded Material ◽  
And Control ◽  
Quality Factor Q

The phenomenon of thermoelastic damping (TED) is a well-known mechanism of structural damping in which a vibrating thermoelastic structure obeys energy dissipation caused by the irreversible heat conduction in its volume. TED can be listed as common intrinsic losses and it cannot be controlled as easily as extrinsic losses thus this subject appears to be a very attractive research field. In this study TED of in-plane vibration of a functionally graded material (FGM) nano-plate has been studied based on the Eringen nonlocal theory. The effects of main parameters such as ambient temperature, length, and width of the nano-plate, the nonlocal parameter and the material gradient on the quality factor (Q) have been investigated. Also, the effect of different combinations of ceramic and metal in an FGM plate on increasing Q and subsequently reduction of the dissipated energy due to thermal effects has been illustrated.

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