Effects of geometric and material nonlinearities on tunable band gaps and low-frequency directionality of phononic crystals
We investigate the effects of geometric and material nonlinearities introduced by
deformation on the linear dynamic response of two-dimensional phononic crystals. Our …
deformation on the linear dynamic response of two-dimensional phononic crystals. Our …
[HTML][HTML] Probability that a band-gap extremum is located on the irreducible Brillouin-zone contour for the 17 different plane crystallographic lattices
After recalling the first Brillouin zone (BZ) and the first irreducible Brillouin zone (IBZ) of a
lattice in terms of its plane crystallographic group, we investigate the danger of restricting a …
lattice in terms of its plane crystallographic group, we investigate the danger of restricting a …
Honeycomb phononic crystals with self-similar hierarchy
We highlight the effect of structural hierarchy and deformation on band structure and wave-
propagation behavior of two-dimensional phononic crystals. Our results show that the …
propagation behavior of two-dimensional phononic crystals. Our results show that the …
On the mechanical modeling of the extreme softening/stiffening response of axially loaded tensegrity prisms
We study the geometrically nonlinear behavior of uniformly compressed tensegrity prisms
through fully elastic and rigid-elastic models. The given models predict a variety of …
through fully elastic and rigid-elastic models. The given models predict a variety of …
[HTML][HTML] Tuning frequency band gaps of tensegrity mass-spring chains with local and global prestress
This work studies the acoustic band structure of tensegrity mass-spring chains, and the
possibility to tune the dispersion relation of such systems by suitably varying local and …
possibility to tune the dispersion relation of such systems by suitably varying local and …
Wave propagation in undulated structural lattices
This work investigates wave propagation in undulated square structural lattices. The
undulated pattern is obtained by imposing an initial curvature to the lattice's elements. The …
undulated pattern is obtained by imposing an initial curvature to the lattice's elements. The …
Experimental investigation of the softening–stiffening response of tensegrity prisms under compressive loading
The present paper is concerned with the formulation of new assembly methods of bi-material
tensegrity prisms, and the experimental characterization of the compressive response of …
tensegrity prisms, and the experimental characterization of the compressive response of …
Octet lattice-based plate for elastic wave control
Motivated by the importance of lattice structures in multiple fields, we numerically investigate
the propagation of flexural waves in a thin reticulated plate augmented with two classes of …
the propagation of flexural waves in a thin reticulated plate augmented with two classes of …
Exact wave propagation analysis of lattice structures based on the dynamic stiffness method and the Wittrick–Williams algorithm
This paper proposes two significant developments of the Wittrick–Williams (W–W) algorithm
for an exact wave propagation analysis of lattice structures based on analytical dynamic …
for an exact wave propagation analysis of lattice structures based on analytical dynamic …
[HTML][HTML] Rainbow trapping of out-of-plane mechanical waves in spatially variant beam lattices
We numerically and experimentally investigate the propagation of mechanical waves in two-
dimensional periodic and spatially graded elastic beam lattices. Experiments on metallic …
dimensional periodic and spatially graded elastic beam lattices. Experiments on metallic …