The influence of dispersion forces on the size-dependent pull-in instability of general cantilever nano-beams containing geometrical non-linearity

M SoltanRezaee, A Farrokhabadi… - International Journal of …, 2016 - Elsevier
While, the effects of ground electrode architecture on the vibration response and instability of
nano-switches have considered in a few studies, no attention has been paid to study the …

Vibration analysis of size-dependent functionally graded micro-plates subjected to electrostatic and piezoelectric excitations

A Kazemi, R Vatankhah, M Farid - European Journal of Mechanics-A/Solids, 2019 - Elsevier
A size–dependent model based on the modified couple stress theory is developed to study
free vibration, static deflection, and pull-in instability of a fully-clamped functionally graded …

Dynamic instability and bifurcation of electrically actuated circular nanoplate considering surface behavior and small scale effect

WD Yang, FP Yang, X Wang - International Journal of Mechanical Sciences, 2017 - Elsevier
In this paper, the dynamic pull-in instability and bifurcation characteristics of circular
nanoplate subjected to electrostatic and Casimir forces are studied. Surface effect originates …

Microstructure-dependent dynamic behavior of torsional nano-varactor

H Mohammad-Sedighi, A Koochi, M Keivani… - Measurement, 2017 - Elsevier
Experiments depict that the physico-mechanical response of miniature devices is
microstructure-dependent. However, the classic continuum theory cannot correctly predict …

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 …

Stability analysis of quasicrystal torsion micromirror actuator based on the strain gradient theory

Y Huang, M Feng, X Chen - Acta Mechanica Sinica, 2022 - Springer
Electrostatic torsional micromirrors are widely applied in the fields of micro-optical switches,
optical attenuators, optical scanners, and optical displays. In previous lectures, most of the …

Size-dependent pull-in instability of electrically actuated functionally graded nano-beams under intermolecular forces

H Ataei, Y Tadi Beni - Iranian Journal of Science and Technology …, 2016 - Springer
Pull-in instability of a cantilever beam-type nano-actuator made of functionally graded
material is investigated using the strain gradient theory under the influence of electrostatic …

Investigation of the surface roughness effect on the nonlinear size-dependent pull-in instability of the beam-type nano-actuator

SM Fatemi Vanani, Y Tadi Beni - Indian Journal of Physics, 2021 - Springer
In this paper, the effect of surface roughness on the pull-in behavior of beam-type nano-
actuator in the presence of intermolecular Van der Waals force has been investigated. In …

Dynamic analysis of rectangular micro-plates under mechanical shock in presence of electrostatic actuation

AR Askari, M Tahani - Sensing and Imaging, 2018 - Springer
Besides one dimensional beam-type MEMS, two dimensional electrically actuated
rectangular micro-plates have lots of applications in micro-engineering. However, there exist …