The static solution is subjected to Eulerian equation,and the vibration solution is given in the form of a series involving Bessel functions.

• 利用分离变量法,贝塞尔(Bessel)方程的解是一个由球贝塞尔函数构成的级数形式解,然后将此解和准静态解叠加,可得弹性动力学问题的解。