Investigation of nonlinear squeeze-film damping involving rarefied gas effect in micro-electro-mechanical systems

Y Wang, S Liu, C Zhuo, C Zhong - Computers & Mathematics with …, 2022 - Elsevier
In this paper, the nonlinear squeeze-film damping (SFD) involving rarefied gas effect in the
micro-electro-mechanical systems (MEMS) is investigated. Considering the motion of …

Scale effects in gas nano flows

M Barisik, A Beskok - Physics of Fluids, 2014 - pubs.aip.org
Most previous studies on gas transport in nano-scale confinements assume dynamic
similarity with rarefied gas flows, and employ kinetic theory based models. This approach is …

Non-linear dynamic instability of a double-sided nano-bridge considering centrifugal force and rarefied gas flow

HM Sedighi, A Koochi, F Daneshmand… - International Journal of …, 2015 - Elsevier
Double-sided electromechanical nano-bridges can potentially be used as angular speed
sensors and accelerometers in rotary systems such as turbine blades and vacuum pumps. In …

A physics-based predictive modeling framework for dielectric charging and creep in RF MEMS capacitive switches and varactors

A Jain, S Palit, MA Alam - Journal of microelectromechanical …, 2011 - ieeexplore.ieee.org
In this paper, we develop a physics-based theoretical modeling framework to predict the
device lifetime defined by the dominant degradation mechanisms of RF …

Computational heat transfer in complex systems: A review of needs and opportunities

JY Murthy, SR Mathur - 2012 - asmedigitalcollection.asme.org
During the few decades, computational techniques for simulating heat transfer in complex
industrial systems have reached maturity. Combined with increasingly sophisticated …

Near vacuum gas damping in MEMS: Simplified modeling

P Fedeli, A Frangi, G Laghi… - Journal of …, 2017 - ieeexplore.ieee.org
We propose a simplified, fast, and operative simulation tool for the prediction of gas damping
occurring in the microelectromechanical systems (MEMS) of arbitrarily complex geometry …

Voltage–amplitude response of superharmonic resonance of second order of electrostatically actuated MEMS cantilever resonators

DI Caruntu, MA Botello… - Journal of …, 2019 - asmedigitalcollection.asme.org
This paper investigates the voltage–amplitude response of superharmonic resonance of
second order (order two) of alternating current (AC) electrostatically actuated …

Pulsatile pressure driven rarefied gas flow in long rectangular ducts

A Tsimpoukis, D Valougeorgis - Physics of Fluids, 2018 - pubs.aip.org
The pulsatile pressure driven fully developed flow of a rarefied gas through an orthogonal
duct is investigated, based on the time-dependent linear Bhatnagar, Gross, and Krook …

Surface–gas interaction effects on nanoscale gas flows

M Barisik, A Beskok - Microfluidics and nanofluidics, 2012 - Springer
Molecular dynamics (MD) method is used to simulate shear driven argon gas flows in the
early transition and free molecular flow regimes to investigate surface effects as a function of …

Linear harmonic oscillatory rarefied gas flow with arbitrary frequency in comb finger blocks

A Tsimpoukis, D Valougeorgis - Sensors and Actuators A: Physical, 2021 - Elsevier
The linear oscillatory two-dimensional rarefied gas flow in the zig-zag channel between the
shuttle and stator fingers of typical comb elements, due to the harmonic motion of the shuttle …