1) equivalent stress field
等效应力场
1.
According to several friction coefficients,the whole equivalent stress field of the die,the equivalent stress status of the die on different profiles and different surfaces,and the shearing strength of the die were studied with hypothesis of large deflection elastic-plastic FEM while and semi-flexible to flexible contact about surface to surface contact style.
采用大变形弹塑性有限元方法,接触类型采用面-面接触的半柔体-柔体接触,对不同摩擦系数下,挤压凹模的总体等效应力场、凹模不同剖面和不同表面的等效应力情况、凹模的剪应力进行了分析。
2) equivalent stress magnetic field
等效应力磁场
1.
Using the principle of equivalent stress magnetic field are presented, the functional relations between the variation of the material permeability along (or perpendicular to) the welding seam and the two direction stresses under the state of plane stress are presented.
基于等效应力磁场理论，给出了平面应力状态下，材料沿（垂直于） 焊缝方向磁导率与两个主应力之间的函数关系，从而可以独立地测量任意点的残余应力。
3) Equivalent remote stress
等效原场应力
4) effective stress
等效应力
1.
The result of the effective strain and the effective stresss in cavity die circular section is caculated by simulating the cup drawing in different states cosidering strain, stress and thickness changes.
在模拟软件中,建立带压边圈的杯形件拉延模具模型,设杯形件材料为弹塑体本构模型,考虑厚度的应力、应变变化,通过数值模拟拉延成形,在不同压下位移时,求得凹模圆角处及附近的板料厚度截面等效应变、等效应力以及厚度变化值的分布;在此基础上,对压下位移不同阶段的凹模圆角成形区及附近区域的应力、应变值进行分析,其数值分别沿凹模圆角由外径向内径方向数值增大;另外得出在不同位置厚度发生变化曲线。
2.
Through FEM numerical simulation of flanging process which was carried out with ABAQUS software,the cognition that flanging process can be divided into 4 stages,the dynamic process of flanging,the method of computing for the prepared hole-diameter,the material thickness transformation of deformation area and the characteristic of effective stress distribution,etc.
利用有限元分析软件ABAQUS,对圆孔翻边成形过程进行了数值模拟,获得了翻边变形可以分为4个阶段的细观认识及其动态过程、翻边预加工小孔孔径的分析计算方法、变形区料厚变化情况以及等效应力分布与特点等。
3.
The effective strain and effective stress are introduced under the condition of axial symmetry.
进一步针对轴对称问题,引入等效应变和等效应力。
5) equivalent stress
等效应力
1.
Simulation on equivalent stress in soldered joints of QFP devices with different leads;
不同引线数QFP器件焊点等效应力的数值模拟
2.
Expression on equivalent stress and equivalent strain of wall rock state of tunnel;
巷道围岩状态的等效应力等效应变表述
3.
Simplified calculation on equivalent stress of vortex dedendum under the effect of uniform internal pressure;
受均匀内压作用涡旋齿根等效应力简化计算
补充资料：等效应力
等效应力
equivalent stress
。一(卜忐卜、二一、。)、3)式中喻、鲡分别为代表数值最大的主应力和代数值最小的主应力。等效应力可代表各应力分量在上述关系下的综合作用或与之等效。例如，可用等效应力表示在该应力状态下变形抗力的大小。 (王占学)dengxioo yingli等效应力(equivalent StresS)一般应力状态下的各应力分量经适当的组合而形成的与单向应力等效的应力。也称比较应力、统一应力和应力强度。其表达式为等效应力与偏应力张量二次不变量(见应力张童)的关系为。e一侧认。当三个主应力。，、。2、。。之值一定时，久与坐标轴的变换无关。姚的大小因应力状态的不同而异，其变化范围是:
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参考词条