Complete low-frequency bandgap in a two-dimensional phononic crystal with spindle-shaped inclusions
Wang Ting1, 2, †, 
, Wang Hui2, Sheng Mei-Ping1, Qin Qing-Hua2
, Wang Hui2, Sheng Mei-Ping1, Qin Qing-Hua2 (a) Schematic view of the cross-section of 2D PC. (b) A representative unit cell with spindle-shaped inclusion.
