Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectric ceramic plate was studied and the resonant frequency equation was derived out.
利用等效弹性法分析了压电矩形共振器的二维耦合振动，导出了振子共振频率的解析表达式。
2
Based on the fundamental equation of an anisotropic rectangular plate in plane stress problem, an accurate general displacement solution is obtained.
根据各向异性矩形板平面应力问题的基本方程精确地求得了位移函数的一般解。
3
Using the finite difference method, the state equation of the transverse vibration of an axially moving rectangular membrane is derived.