含电学边界的压电层合梁的非线性弯曲波1)
赵希宁, 杨晓东, 张伟

NONLIEAR BENDING WAVES OF A PIEZOELECTRIC LAMINATED BEAM WITH ELECTRICAL BOUNDARY1)
Zhao Xining, Yang Xiaodong, Zhang Wei
图2 (a)色散曲线; (b)相速度和群速度与波数的关系
Fig.2 (a) Dispersion curves; (b) relationship between phase velocity and group velocity and wave number