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。
The theory can be used to study the distributed strain, strain rate, porosity and plastic shear displacement in fault band, which presents a new method for quantitative analysis of ductile shear zone.
梯度塑性理论可用于研究韧性断层带内部应变、应变率分布规律、断层带错动位移及带内孔隙度分布规律，为韧性断层带定量分析提供了新的手段。
The stress field and plastic zone of the main roadway and the branch roadway from 225 to 625 m depth below ground level of Qixiashan mining in Nanjing are studied by using finite element method(FEM).
通过有限元计算，分析南京栖霞山矿巷道的稳定性以及巷道在不同的支护条件下的应力场和塑性区情况，得出不同埋深时主巷道和穿脉巷道较为合理的支护方式。
By means of this method it provides multiple zone on one side of the helix of plastic tubing in which the material to be refine1 is filled.
把镓装在一个塑料管中，做成螺旋蜷线形式，一边提高温度到镓的熔点之上，于是在这螺旋蜷线上就有许多个熔区。
By means of this method it provides multiple zone on one side of the helix of plastic tubing in which the material to be refine1 is filled.
把镓装在一个塑料管中，做成螺旋蜷线形式，一边提高温度到镓的熔点之上，于是在这螺旋蜷线上就有许多个熔区。
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