Size-dependent nonlinear forced vibration and dynamic stability of electrically actuated micro-plates

I Karimipour, YT Beni, AH Akbarzadeh - Communications in Nonlinear …, 2019 - Elsevier
A size-dependent structural dynamic model that incorporates the effect of geometric
nonlinearity is developed in this paper for the forced vibration and dynamic stability of thin …

Vibration and dynamic behavior of electrostatic size-dependent micro-plates

I Karimipour, Y Tadi Beni, H Zeighampour - Journal of the Brazilian Society …, 2020 - Springer
The recent trend of using thin micro-plate structures in severe operational conditions caused
the classical theory (CT) to be no longer suited in analyzing the dynamic characteristics of …

Nonlinear size-dependent pull-in instability and stress analysis of thin plate actuator based on enhanced continuum theories including nonlinear effects and surface …

I Karimipour, YT Beni, H Zeighampour - Microsystem Technologies, 2018 - Springer
In recent years, size dependent continuum theories have been commonly used to simulate
material discontinuities in micro/nano-scales. In the present article, modified strain gradient …

Anti-plane analysis of an infinite plane with multiple cracks based on strain gradient theory

I Karimipour, AR Fotuhi - Acta Mechanica, 2017 - Springer
The anti-plane stress analysis in an infinite elastic isotropic plane is carried out by using the
distributed dislocation techniques in the framework of strain gradient theory. The technique …

[HTML][HTML] The effect of capillary and intermolecular forces on instability of the electrostatically actuated microbeam with T-shaped paddle in the presence of fringing field

B Firouzi, M Zamanian - Applied Mathematical Modelling, 2019 - Elsevier
The present study is aimed to investigate pull-in instability, static deformation, natural
frequency, primary and subharmonic resonances in the clamped–clamped microbeam with …

Analytical estimates of the pull-in voltage for carbon nanotubes considering tip-charge concentration and intermolecular forces

G Bianchi, E Radi - Meccanica, 2020 - Springer
Two-side accurate analytical estimates of the pull-in parameters of a carbon nanotube
switch clamped at one end under electrostatic actuation are provided by considering the …

Variability of entropy force and its coupling with electrostatic and steric hindrance interactions

S Zhou - Journal of Statistical Mechanics: Theory and …, 2024 - iopscience.iop.org
We investigated the effective interaction potential (EIP) between charged surfaces in solvent
comprised of dipole dimer molecules added with a certain amount of ionic liquid. Using …

Frequency analysis of porous nano-mechanical mass sensors made of multi-phase nanocrystalline silicon materials

MR Barati, H Shahverdi - Materials Research Express, 2017 - iopscience.iop.org
Nanocrystalline materials (NcMs) are multi-phase composites containing nanograins,
nanovoids and interface. Dynamic behavior of nanocrystalline silicon mass sensors on an …

Influence of electrical double-layer dispersion forces and size dependency on pull-in instability of clamped microplate immersed in ionic liquid electrolytes

I Karimipour, YT Beni, N Taheri - Indian Journal of Physics, 2017 - Springer
Plate-type clamped microplate is of the most common constructive elements for developing
in-liquid-operating devices. While the electromechanical behavior of clamped microplate in …

Analysis of cantilever NEMS in centrifugal-fluidic systems

M Mohsen-Nia, F Abadian, N Abadian… - … Journal of Modern …, 2016 - World Scientific
Electromechanical nanocantilevers are promising for using as sensors/detectors in
centrifugal-fluidic systems. For this application, the presence of angular speed and …