equivalent plastic zone method 等效塑性区方法
This paper presents a simplified plastic zone method with consideration of the influences of the plastic zone length on the stiffness matrix for elastic-plastic analysis of steel frames.
对于杆件单元，本文采用了一种变刚度的杆单元模型，建立了考虑塑性铰分布长度影响的构件单元刚度矩阵。
The paper highlights the application of the orthogonal finite element method to explore the impact of variable levels and the different parameters on the thickness of the plastic zone.
采用正交有限元方法来考察不同参数、不同水平的变化对塑性带厚度的影响。
In this method, the elastic area and plastic zone can be distinguished and the different flow rules can be considered.
该方法可以考虑弹性区与塑性区的区别，并可以考虑不同的流动法则。
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