68 citations · 301 across the 29 of their papers we have counts for
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Variational-asymptotic homogenization of thermoelastic periodic materials with thermal relaxation
Deison Préve, Andrea Bacigalupo, Marco Paggi
A multiscale asymptotic homogenization method for periodic microstructured materials in presence of thermoelasticity with periodic spatially dependent one relaxation time is introd…
Characterization of hybrid piezoelectric nanogenerators through dynamic asymptotic homogenization
Maria Laura De Bellis, Andrea Bacigalupo, Giorgio Zavarise
In the framework of energy scavenging for applications in flexible/strechable electronics, hybrid piezoelectric nanogenerators, made up with Zinc oxyde nanorods, embedded in a poly…
Multi-parametric sensitivity analysis of the band structure for tetrachiral acoustic metamaterials
Marco Lepidi, Andrea Bacigalupo
Tetrachiral materials are characterized by a cellular microstructure made by a periodic pattern of stiff rings and flexible ligaments. Their mechanical behaviour can be described b…
Auxetic behavior and acoustic properties of microstructured piezoelectric strain sensors
Maria Laura De Bellis, Andrea Bacigalupo
The use of multifunctional composite materials adopting piezo-electric periodic cellular lattice structures with auxetic elastic behavior is a recent and promising solution in the…
Multi-field asymptotic homogenization of thermo-piezoelectric materials with periodic microstructure
Francesca Fantoni, Andrea Bacigalupo, Marco Paggi
This study proposes a multi-field asymptotic homogenization for the analysis of thermo-piezoelectric materials with periodic microstructures. The effect of the microstructural hete…
Dispersive wave propagation in two-dimensional rigid periodic blocky materials with elastic interfaces
Andrea Bacigalupo, Luigi Gambarotta
Dispersive waves in two-dimensional blocky materials with periodic microstructure made up of equal rigid units having polygonal centro-symmetric shape with mass and gyroscopic iner…
Wave propagation in non-centrosymmetric beam-lattices with lumped masses: discrete and micropolar modelling
Andrea Bacigalupo, Luigi Gambarotta
The in-plane acoustic behavior of non-centrosymmetric lattices having nodes endowed with mass and gyroscopic inertia and connected by massless ligaments with asymmetric elastic pro…
Optimal design of low-frequency band gaps in anti-tetrachiral lattice meta-materials
Andrea Bacigalupo, Giorgio Gnecco, Marco Lepidi +1
The elastic wave propagation is investigated in the beam lattice material characterized by a square periodic cell with anti-tetrachiral microstructure. With reference to the Floque…
Design of acoustic metamaterials through nonlinear programming
Andrea Bacigalupo, Giorgio Gnecco, Marco Lepidi +1
The dispersive wave propagation in a periodic metamaterial with tetrachiral topology and inertial local resonators is investigated. The Floquet-Bloch spectrum of the metamaterial i…
High-frequency parametric approximation of the Floquet-Bloch spectrum for anti-tetrachiral materials
Andrea Bacigalupo, Marco Lepidi
The engineered class of anti-tetrachiral cellular materials is phenomenologically characterized by a strong auxeticity of the elastic macroscopic response. The auxetic behavior, ac…
Optimal design of auxetic hexachiral metamaterials with local resonators
Andrea Bacigalupo, Marco Lepidi, Giorgio Gnecco +1
A parametric beam lattice model is formulated to analyse the propagation properties of elastic in-plane waves in an auxetic material based on a hexachiral topology of the periodic…
Simplified modelling of chiral lattice materials with local resonators
Andrea Bacigalupo, Luigi Gambarotta
A simplified model of periodic chiral beam-lattices containing local resonators has been formulated to obtain a better understanding of the influence of the chirality and of the dy…
Homogenization of periodic hexa- and tetrachiral cellular solids
Andrea Bacigalupo, Luigi Gambarotta
The homogenization of auxetic cellular solids having periodic hexachiral and tetrachiral microstructure is dealt with two different techniques. The first approach is based on the r…
Second-order homogenization of periodic materials based on asymptotic approximation of the strain energy: formulation and validity limits
Andrea Bacigalupo
In this paper a second-order homogenization approach for periodic material is derived from an appropriate representation of the down-scaling that correlates the microdisplacement f…