压电材料中多个孔边径向裂纹的动力相互作用
李冬1,王慧聪1,宋天舒2
Dynamic behaviors of interacting radial cracks at the edge of  the circular cavities in piezoelectric medium
LI Dong1, WANG Hui-cong1, SONG Tian-shu2
振动与冲击 . 2016, (16): 176 -180 .