Mechanical metamaterials
Mechanical metamaterials, also known as architected materials, are rationally designed
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
composites, aiming at elastic behaviors and effective mechanical properties beyond ('meta') …
Higher-order asymptotic homogenization for piezoelectric composites
In this work, we developed a higher-order asymptotic homogenization method (AHM) for
efficient multiscale analysis of piezoelectric composite structures. Instead of solving the …
efficient multiscale analysis of piezoelectric composite structures. Instead of solving the …
The electromomentum effect in piezoelectric Willis scatterers
Materials with asymmetric microstructure can constitutively couple macroscopic fields from
different physics. Examples include piezoelectric materials that couple mechanical and …
different physics. Examples include piezoelectric materials that couple mechanical and …
Effective dynamics for low-amplitude transient elastic waves in a 1D periodic array of non-linear interfaces
This article focuses on the time-domain propagation of elastic waves through a 1D periodic
medium that contains non-linear imperfect interfaces, ie interfaces exhibiting a discontinuity …
medium that contains non-linear imperfect interfaces, ie interfaces exhibiting a discontinuity …
EMBED IN ENSEMBLE TO RIGOROUSLY AND ACCURATELY HOMOGENIZE QUASI-PERIODIC MULTI-SCALE HETEROGENEOUS MATERIAL
A ROBERTS - The ANZIAM Journal, 2024 - cambridge.org
For microscale heterogeneous partial differential equations (PDEs), this article further
develops novel theory and methodology for their macroscale mathematical/asymptotic …
develops novel theory and methodology for their macroscale mathematical/asymptotic …
High-Order Two-Scale Asymptotic Paradigm for the Elastodynamic Homogenization of Periodic Composites
WZ Luo, M He, L Xia, QC He - Acta Mechanica Solida Sinica, 2024 - Springer
The classical two-scale asymptotic paradigm provides macroscopic and microscopic
analyses for the elastodynamic homogenization of periodic composites based on the spatial …
analyses for the elastodynamic homogenization of periodic composites based on the spatial …
A homogenized model accounting for dispersion, interfaces and source points for transient waves in 1D periodic media
R Cornaggia, B Lombard - ESAIM: Mathematical Modelling and …, 2023 - esaim-m2an.org
A homogenized model is proposed for linear waves in 1D microstructured media. It
combines second-order asymptotic homogenization (to account for dispersion) and interface …
combines second-order asymptotic homogenization (to account for dispersion) and interface …
Multiband homogenization of metamaterials in real-space: Higher-order nonlocal models and scattering at external surfaces
K Deshmukh, T Breitzman, K Dayal - Journal of the Mechanics and Physics …, 2022 - Elsevier
This work develops a dynamic linear homogenization approach in the context of periodic
metamaterials. By using approximations of the dispersion relation that are amenable to …
metamaterials. By using approximations of the dispersion relation that are amenable to …
Acoustic solitons in a periodic waveguide: Theory and experiments
We study the propagation of high-amplitude sound waves, in the form of pulse-like solitary
waves, in an air-filled acoustic waveguide of periodically varying cross section. Our …
waves, in an air-filled acoustic waveguide of periodically varying cross section. Our …
On two elastodynamic homogenization methods for periodic composites
WZ Luo, QC He, H Le Quang - Applied Mathematical Modelling, 2023 - Elsevier
Two-scale asymptotic method and Willis' method are jointly examined for the elastodynamic
homogenization of periodic composites. The effective elastodynamic constitutive law given …
homogenization of periodic composites. The effective elastodynamic constitutive law given …