Sound transmission of acoustic metamaterial beams with periodic inertial amplification mechanisms
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2021.116009
Abstract: Abstract This paper presents the improved sound insulation performance obtained from a new type of acoustic metamaterial, built by attaching periodic inertial amplification (IA) mechanisms to a host beam. The IA mechanism is a triangular… read more here.
Keywords: periodic inertial; sound transmission; inertial amplification; beam ... See more keywords
Actively tuning of transverse wave band gaps in hybrid sandwich beam metamaterials with shunted piezoelectric array and inertial amplification mechanism
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x221093547
Abstract: In this paper, a tunable sandwich beam metamaterial is designed by implementing a hybrid project composed of the piezoelectric shunted array technique and the inertial amplification mechanism. Concerned with the shunted piezoelectric constitutive relation, the… read more here.
Keywords: band; amplification mechanism; sandwich beam; inertial amplification ... See more keywords