摘要
把含有小参数的二阶线性齐次方程转化为含有大参数的二阶线性齐次方程 ,然后求出含有大参数的二阶线性齐次方程的渐近解 。
Asymptotic solution for second order linear homogeneous equations with big parmeter was given by small parameter conversion process.The free longitudinal vibration of structures with tapered members were derivated by using the asymptotic solution as elastic instability occurring.