1) The stress averaging approach
应力平均法
1.
The stress averaging approach (SAA) is one of the local stress approaches.
应力平均法(thestress averaging approach,简称SAA)是局部应力方法之一,文中采用此方法对3A21铝合金焊接接头进行疲劳评定,用有限元计算局部应力值,建立试验结果和评定结果的S—N曲线,并分析接头形式、焊趾半径对疲劳强度的影响。
2) mean stress correction method
平均应力修正法
1.
In this work,ANSYS Workbench software and S-N curve are used with the mean stress correction method of the Goodman linear model,the Gerber parabola model,the Soderberg linear model and the S-N linear model to analyze the fatigue life of S-shaped bellows under various work conditions,so as to know its fatigue life expectancy for an optimal design if it.
应用ANSYS Workbench(AWE)软件的Fatigue Tool工具箱和S-N曲线,分别用Goodman直线模型、Gerber抛物线模型、Soderberg直线模型和S-N直线模型的平均应力修正法,对S型波纹管进行疲劳寿命分析,得到波纹管在各种工况下的疲劳寿命,从而进行波纹管的优化设计。
3) Mean stress
平均应力
1.
The effect of mean stress was studied.
为了进一步拓宽超声疲劳试验的研究范围,对50钢进行了含有平均应力的三点弯曲和非对称拉压疲劳性能试验,得到相应的疲劳 S-N 曲线,研究了平均应力对其超高周疲劳性能的影响。
2.
The author investigates the effect of mean stress and stress's amplitude with the non symmetry low cycle fatigue (LCF) experiment of two kinds of PD3 rail steel (hot rolling and off line heat treatment) produced by PanZhiHua steel company.
通过对攀钢生产的两种PD3钢轨钢 (热轧和离线全长热处理 )的非对称低周载荷疲劳实验 ,比较了平均应力和荷载幅值对两种PD3钢轨钢寿命的影响。
3.
Through the experimental results and study on the reason of fracture,we considered that mean stress and maximum shearing stress were different in tension and compression,condition of fracture was proposed.
通过观察实验现象和分析破坏原因,认为平均应力对脆断影响显著。
4) average stress
平均应力
1.
The concepts of effective stress and porous pressure are employed to explain why the tectonic average stress can be used as a coupling bridge between the solid skeleton and porous fluid.
依据连续介质力学理论,从理论上分析构造应力驱油的机理,应用孔隙压力和有效应力的概念,阐述了将多孔介质中的平均应力作为固体骨架和孔隙流体之间耦合桥梁的合理性。
2.
The effect coefficients of average stress for seven kinds of structural steel materials are presented on the basis of fatigue performance tested data in this paper.
基于实测的材料疲劳性能数据，给出７种结构钢的平均应力影响系数，可供疲劳设计使
3.
An equation for crack growth rate was derived to consider the trend of stress intensity factor range going down to the threshold and the average stress effect.
首先发展了考虑平均应力影响和低应力强度因子范围趋于门槛值现象的扩展率方程。
5) average principal stress
平均主应力
6) Average stress σ_m
平均应力σ_m
补充资料：极限应力平均差
分子式：
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
CAS号：
性质： 测出的最大作用力偏离平均作用力的值与无应力时试样的截面积之比；单位为Pa。是动态力学加载形式选择上所关心的参数之一。该值愈大，说明所加负载的应力振荡值较大。反之，说明所加交变应力比较平稳。
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