... elastic-plastic material ==> 弹塑性材料 elastic-plastic matrix ==> 弹塑性矩阵 elastic-plastic mechanics ==> 弹塑性力学 ...
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采用加权残值法对耦合方程组进行有限元离散，并推导相应的弹塑性矩阵。
The governing equations are discredited by using Galerkin method, and the matrix for elastoplastic constitutive model is also deduced.
第二章介绍了有限单元法的基本原理，详细推导了弹塑性有限元法的基本公式和弹塑性矩阵。
Chapter 2: basic theories about finite element method are introduced, basic formulas about elastic-plastic finite element method and elastic-plastic matrix are put forward.
可基于截面刚度矩阵以及现有的位移模式推导出弹塑性阶段的单元刚度矩阵。
According to section stiffness matrix and available displacement mode, element stiffness matrix of elastoplastic stage was derived in this paper.
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