同时介绍了大变形问题的两种非线性有限元方法：全拉格朗日法T。

At the same time two nonlinear finite element equations for large deformation problem are introduced: the Total Lagrange approach and the Updated Lagrange approach.

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程序中考虑了结构的大变形，采用全拉格朗日描述法，时间离散使用了纽马克法。

In the program the large deformation are considered by using Total Lagrange described method and time discreteness with Newmark method.

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