[HTML][HTML] Gradient elasticity in statics and dynamics: an overview of formulations, length scale identification procedures, finite element implementations and new results

H Askes, EC Aifantis - International Journal of Solids and Structures, 2011 - Elsevier
In this paper, we discuss various formats of gradient elasticity and their performance in static
and dynamic applications. Gradient elasticity theories provide extensions of the classical …

Homogenization techniques and micromechanics. A survey and perspectives

N Charalambakis - 2010 - asmedigitalcollection.asme.org
In this paper, we present a critical survey on homogenization theory and related techniques
applied to micromechanics. The validation of homogenization results, the characterization of …

A unifying variational framework for stress gradient and strain gradient elasticity theories

C Polizzotto - European Journal of Mechanics-A/Solids, 2015 - Elsevier
Stress gradient elasticity and strain gradient elasticity do constitute distinct continuum
theories exhibiting mutual complementary features. This is probed by a few variational …

[HTML][HTML] The fundamentals of non-singular dislocations in the theory of gradient elasticity: Dislocation loops and straight dislocations

M Lazar - International Journal of Solids and Structures, 2013 - Elsevier
The fundamental problem of non-singular dislocations in the framework of the theory of
gradient elasticity is presented in this work. Gradient elasticity of Helmholtz type and bi …

Thermally and mechanically induced strain gradient fields in architected 2D materials and beam structures

DC Rodopoulos, N Karathanasopoulos - International Journal of Solids …, 2024 - Elsevier
The current contribution investigates the strain-gradient thermomechanical performance of
architected materials and structures with uniform and graded inner designs. To that scope …

Three-phase model of particulate composites in second gradient elasticity

Y Solyaev, S Lurie, V Korolenko - European Journal of Mechanics-A/Solids, 2019 - Elsevier
Generalized self-consistent method for particulate composites is realized in the framework of
Mindlin's second gradient elasticity theory (SGET). Effective properties of the …

BEM evaluation of surface octahedral strains and internal strain gradients in 3D-printed scaffolds used for bone tissue regeneration

TV Gortsas, SV Tsinopoulos, E Polyzos, L Pyl… - Journal of the …, 2022 - Elsevier
Most of the mechnoregulatory computational models appearing so far in tissue engineering
for bone healing predictions, utilize as regulators for cell differentiation mainly the octahedral …

[HTML][HTML] Fundamental solutions for isotropic size-dependent couple stress elasticity

AR Hadjesfandiari, GF Dargush - International Journal of Solids and …, 2013 - Elsevier
Fundamental solutions for two-and three-dimensional linear isotropic size-dependent
couple stress elasticity are derived, based upon the decomposition of displacement fields …

Boundary element analysis of mode I and mixed mode (I and II) crack problems of 2-D gradient elasticity

GF Karlis, SV Tsinopoulos, D Polyzos… - Computer Methods in …, 2007 - Elsevier
A boundary element method is developed for fracture analysis of gradient elastic planar
solids under static loading. A simple version of Mindlin's general theory of gradient elastic …

[HTML][HTML] An isogeometric boundary element formulation for stress concentration problems in couple stress elasticity

G Hattori, J Trevelyan, PA Gourgiotis - Computer Methods in Applied …, 2023 - Elsevier
An isogeometric boundary element method (IGABEM) is developed for the analysis of two-
dimensional linear and isotropic elastic bodies governed by the couple stress theory. This …