[PDF][PDF] A short introduction to basic aspects of continuum micromechanics

HJ Böhm - Cdl-fmd report, 1998 - ilsb.tuwien.ac.at
In the present report some basic issues of and some of the modeling strategies used for
studying static and quasistatic problems in continuum micromechanics of materials are …

Direct FE2 modeling of heterogeneous materials with a micromorphic computational homogenization framework

J Zhi, LH Poh, TE Tay, VBC Tan - Computer Methods in Applied Mechanics …, 2022 - Elsevier
Direct FE 2, recently proposed by Tan et al.(2020), is a concurrent multilevel modeling
approach, which homogenizes a representative volume element (RVE) to a Cauchy …

Second-order homogenization of 3-D lattice materials towards strain gradient media: numerical modelling and experimental verification

D Molavitabrizi, S Khakalo, R Bengtsson… - Continuum Mechanics …, 2023 - Springer
The literature in the field of higher-order homogenization is mainly focused on 2-D models
aimed at composite materials, while it lacks a comprehensive model targeting 3-D lattice …

[HTML][HTML] Two-scale asymptotic homogenization analysis of piezoelectric composite materials in generalized curvilinear coordinates

D Guinovart, MS Chaki, R Guinovart-Díaz - Composites Part B: Engineering, 2024 - Elsevier
This paper presents a comprehensive study on applying the two-scale asymptotic
homogenization method to derive the effective properties of piezoelectric composite …

[HTML][HTML] Multifield asymptotic homogenization for periodic materials in non-standard thermoelasticity

R Del Toro, ML De Bellis, M Vasta… - International Journal of …, 2024 - Elsevier
This article presents a multifield asymptotic homogenization scheme for the analysis of
Bloch wave propagation in non-standard thermoelastic periodic materials, leveraging on the …

Homogenisation of nonlinear heterogeneous thin plate when the plate thickness and in-plane heterogeneities are of the same order of magnitude

E Pruchnicki - Quarterly Journal of Mechanics and Applied …, 2023 - academic.oup.com
In this work, we propose a new two-scale finite-strain thin plate theory for highly
heterogeneous plates described by a repetitive periodic microstructure. For this type of …

[HTML][HTML] Effective boundary conditions for second-order homogenization

M Thbaut, B Audoly, C Lestringant - Journal of the Mechanics and Physics …, 2024 - Elsevier
Using matched asymptotic expansions, we derive an equivalent bar model for a periodic,
one-dimensional lattice made up of linear elastic springs connecting both nearest and next …

Hierarchical modeling of heterogeneous structures driven by a modeling error estimator

M Fergoug, A Parret-Fréaud, N Feld… - Computer Methods in …, 2024 - Elsevier
Homogenized models are widely used in multiscale analysis for their computational
efficiency, but they often fail to provide sufficient accuracy in regions exhibiting high …

[HTML][HTML] Multiscale contact homogenisation: A novel perspective through the method of multiscale virtual power

AMC Carneiro, FMA Pires, EA de Souza Neto - Computer Methods in …, 2024 - Elsevier
The interaction between deformable bodies and rigid foundations undergoing finite strains is
explored in this work with the Method of Multiscale Virtual Power, unlocking novel insights …

[HTML][HTML] Physics-informed machine learning in asymptotic homogenization of elliptic equations

C Soyarslan, M Pradas - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
We apply physics-informed neural networks (PINNs) to first-order, two-scale, periodic
asymptotic homogenization of the property tensor in a generic elliptic equation. The problem …