Vibration properties and optimized design of a nonlinear acoustic metamaterial beam
Lightweight, low-frequency, broadband and highly efficient vibration reduction is widely
desired in various devices. Nonlinear acoustic metamaterial (NAM) is a new type of …
desired in various devices. Nonlinear acoustic metamaterial (NAM) is a new type of …
[HTML][HTML] Computational homogenization of locally resonant acoustic metamaterial panels towards enriched continuum beam/shell structures
Locally resonant acoustic metamaterial (LRAM) panels are excellent candidates for the low-
frequency flexural wave attenuation in thin structures. To enable the efficient analysis and …
frequency flexural wave attenuation in thin structures. To enable the efficient analysis and …
Transient multi-scale analysis with micro-inertia effects using Direct method
This paper presents an extension of Direct FE^ 2 FE 2 method for the study of dynamic
problems in heterogeneous materials. The proposed method can be formulated based on …
problems in heterogeneous materials. The proposed method can be formulated based on …
An efficient multiscale method for subwavelength transient analysis of acoustic metamaterials
R Liupekevicius… - Philosophical …, 2024 - royalsocietypublishing.org
A reduced-order homogenization framework is proposed, providing a macro-scale-enriched
continuum model for locally resonant acoustic metamaterials operating in the …
continuum model for locally resonant acoustic metamaterials operating in the …
Data-driven approach for dynamic homogenization using meta learning
Studying wave propagation in heterogeneous structures can become computationally
expensive because they rely on detailed finite element models to ensure accuracy. This …
expensive because they rely on detailed finite element models to ensure accuracy. This …
[HTML][HTML] An explicit D-FE2 method for transient multiscale analysis
Abstract Explicit FE (Finite Element) method offers distinct advantages for a variety of
simulations, including nonlinear transient dynamics, large deformation due to buckling, and …
simulations, including nonlinear transient dynamics, large deformation due to buckling, and …
Transient computational homogenization of heterogeneous poroelastic media with local resonances
R Liupekevicius, JAW van Dommelen… - International Journal …, 2024 - Wiley Online Library
A computational homogenization framework is proposed for solving transient wave
propagation in the linear regime in heterogeneous poroelastic media that may exhibit local …
propagation in the linear regime in heterogeneous poroelastic media that may exhibit local …
A reduced-order computational homogenization framework for locally resonant metamaterial structures
AF Russillo, VG Kouznetsova, G Failla… - Computational …, 2024 - Springer
A computational homogenization framework is presented to study the dynamics of locally
resonant acoustic metamaterial structures. Modelling the resonant units at the microscale as …
resonant acoustic metamaterial structures. Modelling the resonant units at the microscale as …
Integral micromorphic model reproducing dispersion in 1D continuum
The paper develops a new integral micromorphic elastic continuum model, which can
describe dispersion properties of band-gap metamaterials, ie, metamaterials that inhibit …
describe dispersion properties of band-gap metamaterials, ie, metamaterials that inhibit …
A well-posed and microstructure-emerged homogenization method for nonlocal metamaterial truss
Y Jiao, L Li - Mechanics of Advanced Materials and Structures, 2024 - Taylor & Francis
The classical multiscale homogenization methods can only take into account the pure
microstructural effect, resulting in the inability to accurately capture the nonlocal interactions …
microstructural effect, resulting in the inability to accurately capture the nonlocal interactions …