On bending and buckling responses of perforated nanobeams including surface energy for different beams theories

AA Abdelrahman, MA Eltaher - Engineering with Computers, 2022 - Springer
Perforated beam is essential structural element of Nano-Electro-Mechanical-Systems
(NEMS), whose design needs appropriate modelling of size of holes, hole numbers, and …

Static bending of perforated nanobeams including surface energy and microstructure effects

AA Abdelrahman, NA Mohamed, MA Eltaher - Engineering with Computers, 2022 - Springer
This article aims to present comprehensive model and analytical solution to investigate the
static bending behavior of regularly squared cutout perforated thin/thick nanobeams …

Analytical solution of free vibration of viscoelastic perforated nanobeam

MA Eltaher, RA Shanab, NA Mohamed - Archive of Applied Mechanics, 2023 - Springer
This article presented an enhanced mathematical formulated model and well-defined closed-
form solutions to explore the dynamic vibration response of perforated viscoelastic …

Mechanical behaviors of piezoelectric nonlocal nanobeam with cutouts

MA Eltaher, FA Omar, AM Abdraboh… - Smart Structures and …, 2020 - dbpia.co.kr
This work presents a modified continuum model to explore and investigate static and
vibration behaviors of perforated piezoelectric NEMS structure. The perforated nanostructure …

[HTML][HTML] Vibration response of viscoelastic nanobeams including cutouts under moving load

NA Mohamed, RA Shanab, MA Eltaher… - Results in …, 2023 - Elsevier
This manuscript presents a mathematical model and numerical solution to predict vibration
responses of nonlocal strain gradient (NLS) perforated viscoelastic nanobeam under …

Free and forced analysis of perforated beams

AA Abdelrahman, MA Eltaher, AM Kabeel… - Steel and Composite …, 2019 - koreascience.kr
This article presents a unified mathematical model to investigate free and forced vibration
responses of perforated thin and thick beams. Analytical models of the equivalent …

Influence of the perforation configuration on dynamic behaviors of multilayered beam structure

KH Almitani, AA Abdelrahman, MA Eltaher - Structures, 2020 - Elsevier
The novelty of this paper is to investigates the free vibration, frequency response and modal
participation factors of the perforated multilayer microbeam structures using finite element …

Vibration response of viscoelastic perforated higher-order nanobeams rested on an elastic substrate under moving load

NA Mohamed, RA Shanab, MA Eltaher… - Acta Mechanica, 2024 - Springer
This work aims to develop a size-dependent mathematical model to analyze the
nonclassical size-dependent vibration response of viscoelastic perforated higher-order …

Resonance frequencies of size dependent perforated nonlocal nanobeam

MA Eltaher, AM Abdraboh, KH Almitani - Microsystem Technologies, 2018 - Springer
Perforation is a common procedure in fabrication process of micro/nano-electromechanical
systems (M/NEMS). Therefore, this paper presents an effort to study the resonance …

Static bending and buckling of perforated nonlocal size-dependent nanobeams

MA Eltaher, AM Kabeel, KH Almitani… - Microsystem …, 2018 - Springer
Due to their superior electronic, mechanical and thermal properties of nanomaterials, they
have been widely used in nano-electromechanical systems (NEMS). Nanobeams are …