此文针对塑性成形有限元分析大增量加载的收敛性困难，推导了用于板料成形弹塑性有限元分析的牛顿一致迭代公式。
In this paper, facing the convergent problem of plastic forming using large incremental step, we deduced the iterative formula used in analysis of elastic-plastic plate forming finite element method.
通过增量理论弹塑性有限元计算，对比分析了带和不带加载孔ct试样J积分之间的差异。
The differences of J-integral between CT specimens with and without loading holes have been compared and analyzed by means of incremental theory elastic - plastic finite element calculations.
作为弹塑性求解问题的简化方法，极限分析比传统的弹塑性增量计算效率更高、更实用。
As a simplified method for elastoplastic analysis, limit analysis method is more efficient and practical than the traditional increment method.
本文采用有限元法和增量理论对小位移小应变的弹塑性接触问题进行分析。
In this paper, the contact problems of small displacement and strain have been analysed by finite element method and incremental theory.
本文采用有限元法和增量理论对小位移小应变的弹塑性接触问题进行分析。
In this paper, the contact problems of small displacement and strain have been analysed by finite element method and incremental theory.
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