Surface stress effect in mechanics of nanostructured materials

J Wang, Z Huang, H Duan, S Yu, X Feng… - Acta Mechanica Solida …, 2011 - Elsevier
This review article summarizes the advances in the surface stress effect in mechanics of
nanostructured elements, including nanoparticles, nanowires, nanobeams, and nanofilms …

Bending behavior and buckling of nanobeams including surface stress effects corresponding to different beam theories

R Ansari, S Sahmani - International Journal of Engineering Science, 2011 - Elsevier
A new frontier of research in the area of computational nanomechanics is to study the
behavior of structures at very small length scales. As the dimensions of a structure approach …

Surface stress effects on the free vibration behavior of nanoplates

R Ansari, S Sahmani - International Journal of Engineering Science, 2011 - Elsevier
Surface stress is one of the most considerable reasons which cause extraordinary
mechanical responses of nanomaterials and nanostructures due to the high surface to …

Nonlinear primary resonance analysis of nanoshells including vibrational mode interactions based on the surface elasticity theory

A Sarafraz, S Sahmani, MM Aghdam - Applied Mathematics and …, 2020 - Springer
The deviation from the classical elastic characteristics induced by the free surface energy
can be considerable for nanostructures due to the high surface to volume ratio …

Modeling cracks and inclusions near surfaces under contact loading

K Zhou, R Wei - International Journal of Mechanical Sciences, 2014 - Elsevier
In this work, a semi-analytic solution is developed for multiple cracks and inhomogeneous
inclusions of arbitrary shape beneath a half-space surface subject to contact loading. The …

Radial postbuckling of nanoscaled shells embedded in elastic foundations based on Ru's surface stress elasticity theory

S Sahmani, AM Fattahi, NA Ahmed - Mechanics Based Design of …, 2019 - Taylor & Francis
In this article, the nonlinear buckling and postbuckling response of cylindrical nanoshells
under radial compressive load is investigated on the basis of a new surface elasticity theory …

[HTML][HTML] Size-dependent interaction of an edge dislocation with an elliptical nano-inhomogeneity incorporating interface effects

HM Shodja, H Ahmadzadeh-Bakhshayesh… - International Journal of …, 2012 - Elsevier
The elastic behavior of an edge dislocation, which is positioned outside of a nanoscale
elliptical inhomogeneity, is studied within the interface elasticity approach incorporating the …

[HTML][HTML] Surface/interface effects on elastic behavior of a screw dislocation in an eccentric core–shell nanowire

H Ahmadzadeh-Bakhshayesh, MY Gutkin… - International Journal of …, 2012 - Elsevier
The elastic behavior of a screw dislocation which is positioned inside the shell domain of an
eccentric core–shell nanowire is addressed with taking into account the surface/interface …

A sixth-order compact finite difference method for non-classical vibration analysis of nanobeams including surface stress effects

R Ansari, K Hosseini, A Darvizeh… - Applied Mathematics and …, 2013 - Elsevier
A non-classical model for the free vibrations of nanobeams accounting for surface stress
effects is developed in this study. Based on Gurtin–Murdoch elasticity theory, the influence of …

Imperfection sensitivity of the size-dependent nonlinear instability of axially loaded FGM nanopanels in thermal environments

S Sahmani, AM Fattahi - Acta Mechanica, 2017 - Springer
The nonlinear buckling of thin shell-type structures is sensitive to the initial geometric
imperfection. In this study, the imperfection sensitivity of the nonlinear instability of cylindrical …