2) equivalent shear strain
最大等效剪应变
1.
Based on deformation and failure behavior of the slope and an example, change laws of three variables(such as maximum equivalent shear strain-εqmax) with reduction coefficient Fsr during strength reduction are studied,and a new failure criterion is put forward by Fsr~εqmax curve.
基于土坡的变形破坏特点,并结合一算例,研究了强度折减过程中最大等效剪应变εqmax等三个变量随折减系数Fsr的变化规律,提出以Fsr~εqmax曲线发生"突变"作为土坡失稳的判据,并通过与极限平衡法计算结果的比较验证了判据的可靠性。
3) most equivalent stress
最大等效压力
1.
Finite element model of rubber sealing X-ring change section was built,the most equivalent stress of rubber sealing X-ring change section and X-ring was compared.
在同等条件下,此类X形变截面密封圈比X形密封圈最大等效压力值都大。
4) maximum equivalent resistance
最大等效阻力
5) maximum principal effective stress
最大有效主应力
6) 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。
补充资料：等效切应力
等效切应力
equivalent shear stress
dengxlaoq一eyingll等效切应力(equivalent Shear stress)一般应力状态下的各应力分量经适当组合而形成的与纯剪切应力等效的应力，也称统一切应力，切应力强度。其表达式为一六寸(一，2+(一，2+(一)2 等效切应力与偏应力张量二次不变量(见应力张量)的关系为二一了，万，与八面体切应力二(见八面体应力)仅差一常系数，与坐标轴变换无关。 (王占学)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条