Metamaterials are man-made substances with unique spatial alternations in their constituent
components. They are widely used in modifying elastic, acoustic, or electromagnetic …

We propose a new nonlinear elastic metamaterial which shows tunable bandgap at quasi-
static frequency, starting from zero frequency. While there have been active researches on …

Acoustic metamaterials are novel functional materials that can be artificially designed and
have unusual properties like the bandgap, holding immense potential for applications in …

In this study, we present an optimization scheme for the resonator distribution in rainbow
metamaterials that are constitutive of a Π-shaped beam with parallel plate insertions and two …

Tapered metamaterials have drawn much attention due to the inherent advantage of
vibration reduction. However, the bandgap performance in most traditionally periodic …

Nonlinear metamaterials exhibit unique features allowing for wave manipulation. Despite
the increasing attention received, the underlying physical mechanisms and the evolution …

The properties and applications of linear elastic metamaterials have been widely exploited.
The resonant bandgaps in linear metamaterials can suppress wave propagation, but they …

The nonlinear modulation of waves in a metamaterial mass-in-mass lattice model is studied.
The governing continuum nonlinear equation is obtained from the original discrete model …

A field effect transistor (FET) is an extensively employed component in large-scale
integrated circuits to regulate circuit on or off by modulating its gate voltage. The mechanical …

Nonlinear meta-materials/structures can enable exotic wave phenomena, leading to
extraordinary functionalities, but the bandgap properties and nonreciprocal wave …