A Green operator-based elastic modeling for two-phase pantographic-inspired bi-continuous materials

M Spagnuolo, P Franciosi, F Dell'Isola - International Journal of Solids and …, 2020 - Elsevier
We propose an estimate for the effective elastic properties of a new imagined two-phase bi-
continuous composite material type with a so-called``pantographic-inspired”(PI) architecture …

[HTML][HTML] Micropolar beam-like structures under large deformation

L Obrezkov, MK Matikainen, R Kouhia - International Journal of Solids and …, 2022 - Elsevier
Results from experimental torsion and bending tests show the existence of a size effect,
which conventional continuum models are unable to describe. Therefore, the incorporation …

Indentation of a free beam resting on an elastic substrate with an internal lengthscale

E Radi, A Nobili, MA Guler - European Journal of Mechanics-A/Solids, 2023 - Elsevier
The plane strain problem of a slender and weightless beam-plate loaded by a transversal
point force in unilateral contact with a couple stress elastic foundation is investigated. The …

Cylindrical indentation in micropolar elasticity

T Zisis, PA Gourgiotis - Applied Mathematical Modelling, 2022 - Elsevier
Experiments existing in the literature present a scale dependence of the mechanical
properties of certain materials. Such scale dependence is observable also in indentation …

[HTML][HTML] A loaded beam in full frictionless contact with a couple stress elastic half-plane: effects of non-standard contact conditions

E Radi - International Journal of Solids and Structures, 2021 - Elsevier
The plane problem of a loaded Euler-Bernoulli beam of finite length in frictionless bilateral
contact with a microstructured half-plane modelled by the couple stress theory of elasticity is …

Quadratic tetrahedral micropolar element for the vibration analysis of three-dimensional micro-structures

M Kohansal-Vajargah, R Ansari - Thin-Walled Structures, 2021 - Elsevier
The micropolar continuum theory (MPT) is able to describe the influence of micro-structures
on the mechanical behavior of materials where the classical theories of elasticity are unable …

[HTML][HTML] Experimental Characterisation Framework for Laminate Free Edges by Digital Image Correlations and Validation of Numerical Predictions

B Zhang, D Kellermann, G Pearce - Composites Part A: Applied Science …, 2024 - Elsevier
This paper develops an accurate experimental framework to measure interlaminar strains on
laminate free edges. Digital Image Correlation (DIC) is used with an ultra-fine speckle …

Lubricated point heavily loaded contacts of functionally graded materials. Part 1. Dry contacts

II Kudish, SS Volkov, AS Vasiliev… - … and Mechanics of …, 2018 - journals.sagepub.com
Over the last couple decades coatings attract more and more attention in practical
applications. The present study addresses a question which is not well studied: how coated …

[HTML][HTML] Contact formulations for analysis of micropolar media with finite continuum beam elements

L Obrezkov, B Bozorgmehri, R Kouhia… - International Journal of …, 2024 - Elsevier
Microscale beam-like structures are standard components of micromechanical systems in
many devices. However, the small dimensionality affects their deformation characteristics …

Linear micropolar elasticity analysis of stresses in bones under static loads

VA Eremeyev, A Skrzat, F Stachowicz - Strength of Materials, 2017 - Springer
We discuss the finite element modeling of porous materials such as bones using the linear
micropolar elasticity. In order to solve static boundary-value problems, we developed new …