Lightweight and reusable materials are desired in engineering for mitigating repetitive
impacts. However, the limitation of mitigation efficiency is always a problem in spite of …

Unsteady time-varying flow during flight may causes transient vibrations of wings, limiting
aircraft safety and requiring effective suppression methods. Nonlinear acoustic …

This paper studies the dynamic properties of a 3D chiral mechanical metamaterial, which
largely depend on tacticity describing the connection forms of the chiral unit. Based on the …

Realizing a low-frequency and broad bandgap is extremely challenging because the lattice
constant, equivalent stiffness, and equivalent density must be taken into account in practice …

Local resonant metamaterials show significant promise in applications involving the
attenuation of impact waves. This paper introduces a honeycomb metamaterial featuring a …

This paper presents a diatomic-chain locally resonant acoustic metamaterial (LRAM)
structure with negative-stiffness mechanism for enhanced suppression of vibration …

The conventional impact process is a quintessential impulse process that causes substantial
damage due to the high initial impact force. However, the impact effect can be significantly …

Dynamic attenuation is a major concern in many engineering fields, and excessive energy
inputs may cause fatal damages to the key devices. Therefore, there is always a demand to …

The wave equation revealing the wave propagation in chiral phononic crystals, established
through force equilibrium law, conceals the underlying physical information, such as the …

Wave propagation in nonlinear acoustic metamaterials (NAMs) has attracted broad
attention. While showing the possibility of achieving low-frequency and broadband vibration …