And numerical study on dynamic characteristics,dynamic responses and seismic behavior evaluations of elastic-plastic stage of this structure would be performed.
并采用多种计算方法和分析手段,研究结构在弹塑性阶段的动力特性、地震反应和抗震性能。
参考来源 - 框架—剪力墙结构弹塑性地震反应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
但众所周知，在塑性阶段的极限承载力状态下应力叠加原理是不成立的。
But it is well known that the principle of superimposed stresses is not correct under ultimate limit states of plastic stage.
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.
弹塑性阶段是累计振铃数增长的主要阶段，累计振铃数达到AE累计振铃总数的35.35%；
Elastoplastic phase(III) is the main phase, in which AE accumulative counts increase more, about 35.35% of its total counts.
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