考虑二阶效应时筒中筒结构基本微分方程的有限差分解

The finite difference solution of fundamental different ial equation on tube-in-tube structures considering second ord er effects

用有限差分法对考虑二阶效应时筒中筒结构的基本微分方程进行求解 。

The finite difference method is used to solve the fund amental differential equation on tubo-in-tube structures considering second ord er effects,and the results are compared with those obtained by first order analysis.