2) 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。
3) 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
4) equivalent stress range
等效应力幅
1.
According to linear accumulative damage criteria, the equation for equivalent stress range for fatigue reliability analysis of military bridge is presented.
通过对军用桥梁荷载的统计分析 ,利用雨流法对军用桥梁应力幅谱Δσi- ni 进行模拟计算 ,根据线性累积损伤准则 ,推导出用于军用桥梁疲劳可靠性分析的等效应力幅 Δσe的计算公式。
5) principles of stress equivalence
拉应力等效
1.
But the principles of stress equivalence could accurately reflect the influence on the cement concrete pavement stress by the .
结果表明,以弯沉等效为指标的基层顶面当量回弹模量值不能很好地反映板下地基的受力特性,会导致板底应力计算结果偏小;而以板底拉应力等效为指标的基层顶面当量回弹模量值能较为真实地反映基层刚度和厚度变化对板底拉应力的影响。
6) equivalent stress method
等效应力法
1.
Based on the equivalent stress method, a new method for calculation of bending strength of reinforced concrete beams with rectangular cross section is presented, and corresponding formulas are derived.
针对矩形截面型钢混凝土梁抗弯承载力现行计算方法存在的问题进行了研究 ,提出了以等效应力法为基础的此类型钢混凝土梁的抗弯承载力的新的计算方法 。
2.
Fortunately in some degree this kind of stress convergence can be eliminated or reduced to a lower level processed with the finite element equivalent stress method.
有限单元法进行拱坝分析具有诸多方面的优点,但存在较大的应力集中,而经等效应力法处理可在一定程度上削除这种应力集中的影响。
3.
Based on the study of the handbook,its calculation assumption is improved,equivalent stress method is used to calculate bending strength of SRC beams with I shaped steel member and new calculation formulas are derived.
关于矩形截面工字型钢混凝土梁抗弯承载力的计算,国内目前尚无有关的规范,针对这一情况开展了相关研究;基于《钢与混凝土组合结构设计施工手册》的研究成果,对《手册》方法的计算假定作了若干改进, 采用了等效应力法计算此类构件的抗弯承载力,得到了相关计算式;计算式适用于截面非对称配筋的情况。
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