Journal ArticleDOI
Nonlinear mechanics of electrically actuated microplates
Hamed Farokhi,Mergen H. Ghayesh +1 more
TLDR
In this paper, the pull-in characteristics of a microplate-based microelectromechanical system (MEMS) are investigated via a multi-degree freedom energy-based technique where the in-plane and out-of-plane motions are retained in the modelling and simulations.About:
This article is published in International Journal of Engineering Science.The article was published on 2018-02-01. It has received 120 citations till now. The article focuses on the topics: Plate theory & Nonlinear system.read more
Citations
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Journal ArticleDOI
Ambient vibration energy harvesters: A review on nonlinear techniques for performance enhancement
TL;DR: A critical review of nonlinear techniques which have been investigated for performance enhancement of energy harvesters in the past decade and the present state of the art of energy Harvesters which utilise this technique is conducted.
Journal ArticleDOI
A review on the mechanics of functionally graded nanoscale and microscale structures
Mergen H. Ghayesh,Ali Farajpour +1 more
TL;DR: In this article, a review of the mechanical properties of functionally graded nanoscale and micro-scale structures is presented, where various scale-dependent theories of elasticity for FG nanostructures such as FG nanobeams and nanoplates are explained.
Journal ArticleDOI
Dynamics of functionally graded viscoelastic microbeams
TL;DR: In this article, a size-dependent continuum-based model is presented for the coupled nonlinear dynamics of extensible functionally graded (FG) microbeams with viscoelastic properties.
Journal ArticleDOI
A review on the mechanics of nanostructures
TL;DR: In this paper, the nonlocal elasticity and nonlocal strain gradient elasticity have been employed to estimate the mechanical behavior of nanostructures, and the results of size-dependent wave propagation analyses are discussed.
Journal ArticleDOI
Nonlinear vibration analysis of axially functionally graded shear-deformable tapered beams
TL;DR: In this paper, a coupled nonlinear longitudinal-transverse-rotational set of equations governing the motion of axially functionally graded (AFG) shear deformable tapered beams subjected to external harmonic excitations is derived.
References
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Journal ArticleDOI
Strain gradient plasticity: Theory and experiment
TL;DR: In this paper, a deformation theory of plasticity is introduced to represent in a phenomenological manner the relative roles of strain hardening and strain gradient hardening, which is a non-linear generalization of Cosserat couple stress theory.
Journal ArticleDOI
Couple stress based strain gradient theory for elasticity
TL;DR: In this paper, an equilibrium relation is developed to govern the behavior of the couples, which constrained the couple stress tensor to be symmetric, and the symmetric curvature tensor became the only properly conjugated high order strain measures in the theory to have a real contribution to the total strain energy of the system.
Journal ArticleDOI
A microstructure-dependent Timoshenko beam model based on a modified couple stress theory
H. M. Ma,Xin-Lin Gao,J. N. Reddy +2 more
TL;DR: In this paper, a microstructure-dependent Timoshenko beam model is developed using a variational formulation, which is based on a modified couple stress theory and Hamilton's principle.
Book
Ordinary Differential Equations with Applications
TL;DR: In this paper, the authors introduce the notion of Ordinary Differential Equations (ODE) for linear systems and the stability of nonlinear systems and apply it to Hyperbolic Theory.
Journal ArticleDOI
Role of material microstructure in plate stiffness with relevance to microcantilever sensors
TL;DR: In this article, the effect of microstructure on microcantilever bending stiffness was examined using an isotropic Hooke's law constitutive relationship, compared to a model based upon a micropolar elasticity constitutive model.