Size-dependent dynamic pull-in instability of vibrating electrically actuated microbeams based on the strain gradient elasticity theory

HM Sedighi - Acta Astronautica, 2014 - Elsevier
This paper presents the impact of vibrational amplitude on the dynamic pull-in instability and
fundamental frequency of actuated microbeams by introducing the second order frequency …

Effects of Casimir force and thermal stresses on the buckling of electrostatic nanobridges based on couple stress theory

PM Dashtaki, YT Beni - Arabian Journal for Science and Engineering, 2014 - Springer
In this paper, the thermal and size effects on the buckling behavior of a nanobeam
symmetrically located between two electrodes, subjected to the influence of the nonlinear …

[图书][B] Nonlinear differential equations in micro/nano mechanics: application in micro/nano structures and electromechanical systems

A Koochi, M Abadyan - 2020 - books.google.com
Nonlinear Differential Equations in Micro/nano Mechanics: Application in Micro/Nano
Structures in Electromechanical Systems presents a variety of various efficient methods …

Investigation of thermoelastic loss mechanism in shell resonators

A Darvishian, B Shiari, JY Cho… - ASME …, 2014 - asmedigitalcollection.asme.org
Maximizing quality (Q) factor is key to enhancing the performance of micro mechanical
resonators, which are used in a wide range of applications such as gyroscopes, filters, and …

Numerical simulation and new controller design of steerable nano-mirror in ionic liquid electrolytes

MR Gharib, SED Baygi, A Koochi - Communications in Nonlinear Science …, 2023 - Elsevier
This research aims to create a novel controller for micro/nano-systems (sensors and
actuators) operating in ionic liquid media. To illustrate the capability of the proposed …

Lattice Boltzmann model for simulation of a nano-scanner immersed in ionic dense media

MR Gharib, SED Baygi, A Koochi - Computers & Mathematics with …, 2023 - Elsevier
Torsional nano-scanners have a variety of applications in nano/micro-electro-mechanical
systems. In this paper, two-and three-dimensional numerical solutions based on the lattice …

A general formulation of quality factor for composite micro/nano beams in the air environment based on the nonlocal elasticity theory

M Nazemizadeh, F Bakhtiari-Nejad - Composite Structures, 2015 - Elsevier
The quality factor is known as a critical and important feature to achieve efficient resonant
response of micro/nano beams. In fact, the quality factor plays a significant role in the …

Analytical modeling of squeeze film damping in dual axis torsion microactuators

H Moeenfard - Surface Review and Letters, 2015 - World Scientific
In this paper, problem of squeeze film damping in dual axis torsion microactuators is
modeled and closed form expressions are provided for damping torques around tilting axes …

Entropy generation analysis of squeeze film air damping in torsional micromirrors

IZ Famileh, JA Esfahani, H Moeenfard - Optik, 2015 - Elsevier
In the present study, the entropy generation analysis of a torsional micromirror is
investigated. Using dynamic mesh method, the governing equations are solved numerically …

The effect of small scale and intermolecular forces on the nonlinear Pull-in instability behavior of nano-switches using differential quadrature method

Y Tadi Beni, SM Fatemi - … of Computational & Applied Research in …, 2017 - jcarme.sru.ac.ir
Using differential quadrature method (DQM), this study investigated pull-in instability of
beam-type nano-switches under the effects of small-scale and intermolecular forces …