Inertia mass bio-sensors based on snap-through phenomena in electrostatic MEMS shallow arch resonators

AM Alneamy, HM Ouakad - International Journal of Mechanical Sciences, 2023 - Elsevier
This research examines on a new class of MEMS inertia mass sensors that are simple,
sensitive, and selective in possibly detecting tiny objects. The sensor consists of two beams …

2D electrostatic energy harvesting device using a single shallow arched microbeam

MAB Hassena, H Samaali, HM Ouakad… - International Journal of …, 2021 - Elsevier
We propose to use a shallow arched microbeam to design a compact 2D energy harvesting
device using a single electrostatic transducer. The proposed design can transform any in …

Kirigami engineering—nanoscale structures exhibiting a range of controllable 3D configurations

X Zhang, L Medina, H Cai, V Aksyuk… - Advanced …, 2021 - Wiley Online Library
Kirigami structures provide a promising approach to transform flat films into 3D complex
structures that are difficult to achieve by conventional fabrication approaches. By designing …

A double-side electrically-actuated arch microbeam for pressure sensing applications

F Najar, M Ghommem, A Abdelkefi - International Journal of Mechanical …, 2020 - Elsevier
In this study, we consider a pressure sensor whose main component is a clamped-clamped
shallow arched microbeam. Two fixed electrodes are used to actuate the microbeam in the …

From theory to application: Exploring the motion dynamics of microrobots

S Soorani, M Bayareh - Microchemical Journal, 2025 - Elsevier
Microrobots are becoming revolutionary instruments in many domains, especially
biomedical applications where their capacity to maneuver through intricate settings and …

Dynamic snap-through motion and chaotic attractor of electrostatic shallow arch micro-beams

AM Alneamy - Chaos, Solitons & Fractals, 2024 - Elsevier
In this paper, we investigate numerically the dynamic snap-through motion of a shallow arch
micro-beam that is electrostatically excited through three separated electrodes. It is excited …

Necessary and sufficient criteria for bistability in electrostatically actuated initially curved pre-stressed micro-plates

L Medina, R Gilat, S Krylov - International Journal of Mechanical Sciences, 2022 - Elsevier
The study brings forth extended criteria for electrostatically actuated micro-plates, which take
into account the presence of prestress. Following previous studies that analysed the veracity …

Large oscillation of electrostatically actuated curved beams

AM Alneamy, ME Khater, MS Al-Ghamdi… - Journal of …, 2020 - iopscience.iop.org
This paper investigates the responses of initially curved micro-beams subjected to an
electrostatic excitation. A Euler–Bernoulli beam theory is utilized to derive the governing …

Global static and dynamic tristability in electrostatically actuated initially curved and weakly coupled double microbeams

L Medina - International Journal of Solids and Structures, 2023 - Elsevier
In the present study, an expanded dynamic model of an electrostatically actuated double
beam metastructure, composed of geometrically different beams, is formulated and solved …

Unified dynamic bistability criteria in electrostatically actuated curved prestressed microbeams

L Medina - International Journal of Mechanical Sciences, 2024 - Elsevier
In this study, a set of criteria, which defines the appearance of dynamic bistability in curved
beams is formulated and validated. Such a form of bistability can appear in curved …