At the same time two nonlinear finite element equations for large deformation problem are introduced: the Total Lagrange approach and the Updated Lagrange approach.
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。
In this paper, the bilinear finite element method for a kind of nonlinear hypobolic equations was discussed.
研究了一类非线性拟双曲方程的双线性有限元方法。
And then, the solution method of nonlinear equations and the computing formats of rubber-typed materials by finite element method were given.
然后给出了橡胶类材料的有限元计算格式及非线性方程组的解法。
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