拓展了结构分析有限条法，基于固体力学有限形变理论的更新拉格朗日法（U 。

The finite strip method in structural analysis has been extended, and elastic-plastic large deformation spline finite strip method based on the Updated-Lagrange method (U.

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首先，本文基于虚功原理，推导了结构几何非线性方程，指出更新的拉格朗日列士法U。

First of all, the nonlinear equation of structure is presented in this paper based on virtual work principle. It is thought that the Updated Lagrangian Formulation u.

youdao

首先，本文基于虚功原理，推导了结构几何非线性方程，指出更新的拉格朗日列士法U。

First of all, the nonlinear equation of structure is presented in this paper based on virtual work principle. It is thought that the Updated Lagrangian Formulation u.

youdao