... pattern to suit many applications. active acoustic metamaterials programmable metamaterials effective density effective bulk modulus multicell composite metamaterials Acoustic metamaterials have recently attracted the focus of many researchers as a new technique for achieving wave...

... Plate ,” AIAA J. 0001-1452 , 44 ( 10 ), pp. 2311 – 2318 . 10.2514/1.19855 21 07 2009 10 12 2009 01 06 2010 01 06 2010 acoustic materials acoustic wave propagation invisibility cloaks metamaterials active acoustic metamaterials programmable metamaterials...