On vibrations of functionally graded viscoelastic nanobeams with surface effects

MA Attia, AAA Rahman - International Journal of Engineering Science, 2018 - Elsevier
This paper addresses the size-dependent free vibration of functionally graded viscoelastic
(FGV) nanobeams including the simultaneous effects of the microstructure rotation and …

Pull-in analysis of electrically actuated viscoelastic microbeams based on a modified couple stress theory

J Zhang, Y Fu - Meccanica, 2012 - Springer
A new beam model is developed for the viscoelastic microbeam based on a modified couple
stress model which contains only one material length scale parameter. The governing …

[HTML][HTML] Size-dependent pull-in phenomena in electrically actuated nanobeams incorporating surface energies

Y Fu, J Zhang - Applied Mathematical Modelling, 2011 - Elsevier
A modified continuum model of electrically actuated nanobeams is presented by
incorporating surface elasticity in this paper. The classical beam theory is adopted to model …

Nonlocal viscoelasticity based vibration of double viscoelastic piezoelectric nanobeam systems

AH Ghorbanpour-Arani, A Rastgoo, MM Sharafi… - Meccanica, 2016 - Springer
The present work deals with the analysis of free and forced vibrations of double viscoelastic
piezoelectric nanobeam systems (DVPNBSs) incorporating nonlocal viscoelasticity theory …

Nonlocal and strain gradient based model for electrostatically actuated silicon nano-beams

EM Miandoab, A Yousefi-Koma… - Microsystem Technologies, 2015 - Springer
Conventional continuum theory does not account for contributions from length scale effects
which are important in modeling of nano-beams. Failure to include size-dependent …

[HTML][HTML] Nonlinear modeling and analysis of electrically actuated viscoelastic microbeams based on the modified couple stress theory

MA Attia, SA Mohamed - Applied Mathematical Modelling, 2017 - Elsevier
A nonclassical nonlinear continuum model of electrically actuated viscoelastic microbeams
is presented based on the modified couple stress theory to consider the microstructure effect …

Nonlinear free vibration of viscoelastic nanoplates based on modified couple stress theory

M Ajri, MM Seyyed Fakhrabadi - Journal of Computational Applied …, 2018 - jcamech.ut.ac.ir
Nanoplates are a subgroup of nanostructures with twodimensional geometries. They are
used as thin-film elements [1], nano-sheet resonators [2], paddle-like resonators [3], gas …

Investigation of size-dependent quasistatic response of electrically actuated nonlinear viscoelastic microcantilevers and microbridges

MA Attia - Meccanica, 2017 - Springer
This study investigates the size-dependent quasistatic response of a nonlinear viscoelastic
microelectromechanical system (MEMS) under an electric actuation. To have this problem in …

Electromechanical dynamic buckling phenomenon in symmetric electric fields actuated microbeams considering material damping

Y Fu, J Zhang - Acta mechanica, 2010 - Springer
The dynamic behavior of a clamped–clamped microbeam loaded by a symmetric combined
voltage, which is composed of a direct current (DC) voltage and an alternating current (AC) …

[HTML][HTML] Identification of nonlinear model for rotary high aspect ratio flexible blade using free vibration response

I Mahariq, M Kavyanpoor, M Ghalandari… - Alexandria Engineering …, 2020 - Elsevier
Nonlinear identification of a narrow cantilever blade undergoing free vibration was studied.
In the absence of forced excitation and because of general data deficiency of this system …