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.

利用拟线性分析方法中的一阶导数代换对基本方程进行了简化处理,将基本的微分积分方程转化为非线性代数方程组,并结合双参数摄动研究了悬臂梁的大挠度问题。

A cantilever beam and Laxiwa dam-base system are analyzed in details by using proposed method.The results show that the 3D EFGM is effective and accurate for problems in geotechnique engineering.

应用该程序对悬臂梁算例和拉西瓦拱坝-地基模型进行弹性分析，结果表明该方法有效可行。