1) Equivalent remote stress
等效原场应力
2) 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。
3) 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。
4) field equivalence principle
场等效原理
1.
The field equivalence principle,one of the fundamental concepts in electromagnetics,has numerous applications.
场等效原理是电磁学的基本定理之一,但场等效原理特别是零场定理很难被人理解,人们很难想象在一个区域中的场等效为原问题的场,而在另一个区域中却为零场。
5) equivalent field principle
等效场原理
1.
Supported by the boundary conditions of the scattering field related to the incident field through the Fresnel coefficients, and by the reciprocity theorem and the equivalent field principle, the multiple Kirchhoff integral method for metal blazed grating is developed.
在散射场 [通过菲涅耳 (Fresnel)反射系数决定于入射场 ]的边界条件、互易定理及等效场原理的支持下 ,完善了金属闪耀光栅的多次基尔霍夫 (Kirchhoff)积分方法 ;并以利特罗 (L ittrow)安装及固定偏向角安装的理想金属导体闪耀光栅对不同波长平面电磁波衍射效率的计算实例 ,探讨了此方法的稳定性与自洽性。
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