Among various strategies developed for the attenuation of noise and vibration in mechanical
structures, piezoelectric shunt damping, which consists in connecting piezoelectric …

A novel strategy is proposed to actively tune the vibration and wave propagation properties
in elastic beams. By periodically placing the piezoelectric actuator/sensor pairs along the …

In this investigation, the nonreciprocal transmission of elastic waves is realized by
enlightenment of an acoustic diode. The phenomenon can be found in a nonlinear elastic …

The effects of the disordered local resonators on the vibration band-gap characteristics of
the elastic metamaterial multi-span beams are investigated and validated by the vibration …

The band gaps of a phononic crystal beam with staggered periodic structure are
investigated. The periodic system consists of a pure elastic (ie PMMA) matrix beam and …

From the literature, only very limited research activities have been carried out for fault
diagnose of periodic structural system following model-based approaches. This paper …

Piezoelectric phononic crystals (PPCs) have the advantages of simplicity and efficiency in
controlling elastic wave bandgaps, which can be utilized to solve NVH problems with …

The characteristic receptance method of analyzing the free wave propagation of a finite
monocoupled periodic system with a single disorder is applied to study the vibration …

This paper presents a new finite-element-based design procedure for geometrically periodic
beam structures to target a specific desired attenuation frequency band. Using the “forward …

The structural damage identification based on the dynamic condensation of finite element
(FE) model can effectively deal with the mismatching between the measured degree of …