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 Eigenmode shapes and displacement fields of (a) mode A, (b) mode B, (c) mode C, and (d) mode D.
