Size-dependent nonlinear dynamics of a microbeam based on the modified couple stress theory
Sign Up to like & getrecommendations! Published in 2017 at "Acta Mechanica"
DOI: 10.1007/s00707-017-1895-3
Abstract: In this paper, the nonlinear dynamics of an electostatically actuated microbeam with von kármán geometric nonlinearity and squeeze-film damping are studied. The governing equations and the boundary conditions are developed using the modified couple stress… read more here.
Keywords: size dependent; couple stress; nonlinear dynamics; size ... See more keywords
Modified couple stress theory for three-dimensional elasticity in curvilinear coordinate system: application to micro torus panels
Sign Up to like & getrecommendations! Published in 2020 at "Meccanica"
DOI: 10.1007/s11012-020-01220-3
Abstract: This research considers size effects in the linear three-dimensional elasticity analysis of micro-tori. The fundamental relations (displacement form) are derived for isotropic toroidal shells in the framework of the modified couple stress theory in the… read more here.
Keywords: three dimensional; theory; couple stress; modified couple ... See more keywords
A Ritz type solution with exponential trial functions for laminated composite beams based on the modified couple stress theory
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.02.025
Abstract: Abstract This paper proposes novel Ritz functions for the size-dependent analysis of micro laminated composite beams with arbitrary lay-ups. Displacement field is based on a higher-order deformation beam theory and size effect is captured by… read more here.
Keywords: composite beams; theory; couple stress; laminated composite ... See more keywords
Functionally graded curved Timoshenko microbeams: A numerical study using IGA and modified couple stress theory
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.112841
Abstract: Abstract Studies on functionally graded (FG) curved microbeam structures are rather rare in the literature, and we thus present an effective computational approach on the basic combination of isogeometric analysis (IGA) and modified couple stress… read more here.
Keywords: graded curved; functionally graded; couple stress; iga modified ... See more keywords
Buckling analysis of orthotropic protein microtubules under axial and radial compression based on couple stress theory.
Sign Up to like & getrecommendations! Published in 2017 at "Mathematical biosciences"
DOI: 10.1016/j.mbs.2017.07.002
Abstract: Protein microtubules (MTs) are one of the important intercellular components and have a vital role in the stability and strength of the cells. Due to applied external loads, protein microtubules may be involved buckling phenomenon.… read more here.
Keywords: protein; analysis; couple stress; stress theory ... See more keywords
Testing the parasite-stress theory of sociality based on the circular model of human values: A multilevel analysis approach
Sign Up to like & getrecommendations! Published in 2021 at "Personality and Individual Differences"
DOI: 10.1016/j.paid.2020.110277
Abstract: Abstract Little research has tested the parasite-stress theory of sociality based on a well-framed model of personal values using a multilevel analysis conducted on multinational samples. To robustly examined the validity of this novel theory… read more here.
Keywords: theory sociality; model; stress; stress theory ... See more keywords
On nonlinear forced vibration of nano cantilever-based biosensor via couple stress theory
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2019.03.020
Abstract: Abstract In this paper, the nonlinear forced vibration of a piezoelectrically driven micro/nano cantilever-based biosensor is investigated via couple stress theory. The origin of nonlinear equations is the curvature, which causes cubic nonlinearities in the… read more here.
Keywords: stress theory; couple stress; nonlinear forced;
Buckling and postbuckling of size-dependent cracked microbeams based on a modified couple stress theory
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Mechanics and Technical Physics"
DOI: 10.1134/s0021894417040174
Abstract: The elastic buckling analysis and the static postbuckling response of the Euler–Bernoulli microbeams containing an open edge crack are studied based on a modified couple stress theory. The cracked section is modeled by a massless… read more here.
Keywords: based modified; couple stress; buckling postbuckling; cracked microbeams ... See more keywords
Flexoelectric Effect on Vibration of Piezoelectric Microbeams Based on a Modified Couple Stress Theory
Sign Up to like & getrecommendations! Published in 2017 at "Shock and Vibration"
DOI: 10.1155/2017/4157085
Abstract: A novel electric Gibbs function was proposed for the piezoelectric microbeams (PMBs) by employing a modified couple stress theory. Based on the new Gibbs function and the Euler-Bernoulli beam theory, the governing equations which incorporate… read more here.
Keywords: theory; piezoelectric microbeams; couple stress; modified couple ... See more keywords
A modified couple stress theory for buckling analysis of higher order inhomogeneous microbeams with porosities
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406218791642
Abstract: In this paper, buckling behavior of a higher order functionally graded microbeam with porosities is investigated based on the modified couple stress theory and the exact position of the neutral axis. Porosities are evenly and… read more here.
Keywords: functionally graded; couple stress; higher order; modified couple ... See more keywords
Buckling analysis of FGM Euler-Bernoulli nano-beams with 3D-varying properties based on consistent couple-stress theory
Sign Up to like & getrecommendations! Published in 2018 at "Steel and Composite Structures"
DOI: 10.12989/scs.2018.26.6.663
Abstract: This paper contains a consistent couple-stress theory to capture size effects in Euler-Bernoulli nano-beams made of three-directional functionally graded materials (TDFGMs). These models can degenerate into the classical models if the material length scale parameter… read more here.
Keywords: couple; couple stress; consistent couple; stress theory ... See more keywords