The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach.

利用拟线性析法中的一阶导数基本程进行了简处理,将基本的微程转为非线性数程组,并结合双参数摄动研究了悬臂梁的大挠度问题。