Form II of Mindlin's second strain gradient theory of elasticity with a simplification: For materials and structures from nano-to macro-scales

S Khakalo, J Niiranen - European Journal of Mechanics-A/Solids, 2018 - Elsevier
The fundamental equations for Form II of Mindlin's second strain gradient elasticity theory for
isotropic materials are first derived. A corresponding simplified formulation is then proposed …

[图书][B] Linear and nonlinear waves in microstructured solids: homogenization and asymptotic approaches

IV Andrianov, J Awrejcewicz, V Danishevskyy - 2021 - taylorfrancis.com
This book uses asymptotic methods to obtain simple approximate analytic solutions to
various problems within mechanics, notably wave processes in heterogeneous materials …

Electric field, strain and inertia gradient effects on anti-plane wave propagation in piezoelectric materials

Y Solyaev, S Lurie - Journal of Sound and Vibration, 2021 - Elsevier
In this study, we derive the dispersion relations for anti-plane waves in the second gradient
electroelasticity theory considering the electric field, strain, and inertia gradient effects …

The relaxed linear micromorphic continuum: well-posedness of the static problem and relations to the gauge theory of dislocations

P Neff, ID Ghiba, M Lazar… - Quarterly Journal of …, 2015 - ieeexplore.ieee.org
We consider the equilibrium problem in the relaxed linear model of micromorphic elastic
materials. The basic kinematical fields of this extended continuum model are the …

[HTML][HTML] The non-singular Green tensor of Mindlin's anisotropic gradient elasticity with separable weak non-locality

M Lazar, G Po - Physics Letters A, 2015 - Elsevier
In this paper, we derive the Green tensor of anisotropic gradient elasticity with separable
weak non-locality, a special version of Mindlin's form II anisotropic gradient elasticity theory …

[HTML][HTML] Gradient-elastic stress analysis near cylindrical holes in a plane under bi-axial tension fields

S Khakalo, J Niiranen - International Journal of Solids and Structures, 2017 - Elsevier
This paper is devoted to a gradient-elastic stress analysis of an infinite plate weakened by a
cylindrical hole and subjected to two perpendicular and independent uni-axial tensions at …

[PDF][PDF] On one class of applied gradient models with simplified boundary problems.

SA Lurie, РA Belov, YO Solyaev, EC Aifantis - Materials Physics & …, 2017 - ipme.ru
We consider the generic gradient elasticity theory of Mindlin-Tupin and try to establish a
class of applied models of gradient elasticity, for which the boundary value problems of the …

[HTML][HTML] Torsional and SH surface waves in an isotropic and homogenous elastic half-space characterized by the Toupin–Mindlin gradient theory

PA Gourgiotis, HG Georgiadis - International Journal of Solids and …, 2015 - Elsevier
The existence of torsional and SH surface waves in a half-space of a homogeneous and
isotropic material is shown to be possible in the context of the complete Toupin–Mindlin …

Gradient models of moving heat sources for powder bed fusion applications

Y Solyaev, S Lurie - International Journal of Heat and Mass Transfer, 2022 - Elsevier
In this paper, we derive closed form solutions for the quasi-stationary problems of moving
heat sources within the gradient theory of heat transfer. This theory can be formally deduced …

Non-singular dislocation continuum theories: strain gradient elasticity vs. Peierls–Nabarro model

M Lazar - Philosophical magazine, 2017 - Taylor & Francis
Non-singular dislocation continuum theories are studied. A comparison between Peierls–
Nabarro dislocations and straight dislocations in strain gradient elasticity is given. The non …