Frequency analysis of nanoporous mass sensors based on a vibrating heterogeneous nanoplate and nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3531-5
Abstract: A new modeling of nano-mechanical mass sensors constructed from porous nanomaterials is presented based on generalized nonlocal strain gradient theory (NSGT). In this model, true small size effects including softening and hardening mechanisms are considered… read more here.
Keywords: strain gradient; mass sensors; gradient theory; mass ... See more keywords
Vibration analysis of porous FG nanoshells with even and uneven porosity distributions using nonlocal strain gradient elasticity
Sign Up to like & getrecommendations! Published in 2018 at "Acta Mechanica"
DOI: 10.1007/s00707-017-2032-z
Abstract: This paper studies the free vibrational behavior of porous functionally graded nanoshells using nonlocal strain gradient theory. A nonlocal parameter and a strain gradient parameter are employed to describe both stiffness reduction and stiffness enhancement… read more here.
Keywords: strain gradient; porosity; using nonlocal; nonlocal strain ... See more keywords
Hygro-thermal vibration analysis of bilayer graphene sheet system via nonlocal strain gradient plate theory
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1350-y
Abstract: In this research a nonlocal strain gradient plate model is introduced for hygro-thermal vibration analysis of double-layer graphene sheets resting on elastic medium. For more accurate analysis of graphene sheets, the proposed theory contains two… read more here.
Keywords: strain gradient; graphene; graphene sheet; nonlocal strain ... See more keywords
Damping vibration analysis of graphene sheets on viscoelastic medium incorporating hygro-thermal effects employing nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.10.021
Abstract: Abstract In the present article, a nonlocal strain gradient plate model is developed for damping vibration analysis of viscoelastic graphene sheets under hygor-thermal environments. For more accurate analysis of graphene sheets, the proposed theory contains… read more here.
Keywords: strain gradient; nonlocal strain; vibration; graphene sheets ... See more keywords
Torsional vibration of size-dependent viscoelastic rods using nonlocal strain and velocity gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.12.002
Abstract: Abstract In this paper the torsional vibration of size-dependent viscoelastic nanorods embedded in an elastic medium with different boundary conditions is investigated. The novelty of this study consists of combining the nonlocal theory with the… read more here.
Keywords: size dependent; theory; vibration; nonlocal strain ... See more keywords
New observations on transverse dynamics of microtubules based on nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.111036
Abstract: Abstract Based on nonlocal strain gradient theory, we present dynamical behaviors of a microtubule subjected to axial load, thermal load and variable transverse load simultaneously. The existing nonlocal strain gradient constitutive relation is adjusted from… read more here.
Keywords: nonlocal strain; strain gradient; strain; gradient theory ... See more keywords
On nonlinear vibration and snap-through buckling of long FG porous cylindrical panels using nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.113125
Abstract: Abstract In the current research, nonlinear vibration and snap-buckling analysis of long cylindrical panels made of functionally graded (FG) porous materials are studied. The case of cylindrical panels with shallow curvature and long length is… read more here.
Keywords: vibration snap; snap buckling; cylindrical panels; nonlocal strain ... See more keywords
On longitudinal dynamics of nanorods
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Engineering Science"
DOI: 10.1016/j.ijengsci.2017.08.003
Abstract: Abstract The longitudinal dynamic problem of a size-dependent elasticity rod is formulated by utilizing an integral form of nonlocal strain gradient theory. The nonlocal strain gradient model accounts for the energies diffused from surrounding particles… read more here.
Keywords: size dependent; boundary conditions; longitudinal dynamics; nonlocal strain ... See more keywords
Nonlinear mechanics of nanoscale tubes via nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Engineering Science"
DOI: 10.1016/j.ijengsci.2018.04.003
Abstract: Abstract A size-dependent nonlinear nonlocal strain gradient model for nanoscale tubes is proposed in this investigation and the forced mechanical behaviour is examined. This continuum model is better capable of incorporating size effects as it… read more here.
Keywords: strain gradient; nonlinear mechanics; nanoscale tubes; nonlocal strain ... See more keywords
Constitutive boundary conditions for nonlocal strain gradient elastic nano-beams
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Engineering Science"
DOI: 10.1016/j.ijengsci.2018.05.009
Abstract: Abstract Nonlocal strain gradient integral model of elasticity, extension of the fully nonlocal integral law, is widely adopted to assess size effects in nano-beams. The bending moment is sum of convolutions of elastic curvature and… read more here.
Keywords: strain gradient; nonlocal strain; nano beams; boundary conditions ... See more keywords
On the resonance of functionally graded nanoplates using bi-Helmholtz nonlocal strain gradient theory
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Engineering Science"
DOI: 10.1016/j.ijengsci.2019.103143
Abstract: Abstract Up to now, there is no a unified model for the force resonance problem of a three-directional functionally graded material (3D-FGM). This contribution tries to present an investigation on the resonance behavior of Kirchhoff… read more here.
Keywords: resonance; nonlocal strain; strain gradient; helmholtz nonlocal ... See more keywords