Mechanically tunable phononic band gaps in three-dimensional periodic elastomeric structures

INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES

卷:49

Article

Wang, Lifeng²  Bertoldi, Katia¹ 

[1] MIT, Sch Engn & Appl Sci, Cambridge, MA 02139 USA

[2] Clarkson Univ, Dept Civil & Environm Engn, Potsdam, NY 13699 USA

关键词: Phononic;    Elasticity;    Large deformations;   

DOI  :  10.1016/j.ijsolstr.2012.05.008

来源: Elsevier

【 摘 要 】

Three-dimensional periodic structures have many applications in acoustics and their properties are strongly related to structural details. Here we demonstrate through simulations the ability to tune the phononic band gaps of 3D periodic elastomeric structures using deformation. The elastomeric nature of the material makes the transformation of the band gaps a reversible and repeatable process, providing avenues for the design of tunable 3D phononic crystals such as sonic switches. (C) 2012 Elsevier Ltd. All rights reserved.

【 授权许可】

Free