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。
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。
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。
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。
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
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。
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。
Development of System for Obtaining Average Stress-Strain Relationship of Stiffened Plates of Naval Vessel;
舰船加筋板平均应力应变关系计算系统开发
The Mean Stress Effect on Fatigue Damage Calculation of Ship Structure
平均应力对船体结构疲劳损伤计算的影响
Either the maximum and minimum stresses of one of these and the mean stress-are required to specify the fluctuation.
需要两个值：最大应力和最小应力或二者之一和平均应力，以确定其起伏程度。
The Problem of the Calculations of the Mean Value in Quantum Meohanics;
量子力学平均值计算时应注意的问题
On Field Application about Averaging Methods of Capillary Pressure Curves
毛管压力曲线平均化方法的矿场应用
Application of Micro-tube Pressure Curve Average in SUOTU Oilfield
所图油田毛管压力曲线平均化与应用
Numerical Simulation of Reynolds Stresses Influence on Mean and Fluctuation Pressure
雷诺应力对平均和脉动压力影响的数值模拟
Did your GPA reflect your work ability?
你的学校平均成绩反应了你的工作能力吗？
The Application of the Approximation of Self-Consistent Average in Quantium Mechanics
自洽平均值近似方法在量子力学中的应用
Application of Method of Weighting Average in Comprehensive Evaluation after Fracturing
水力压裂压后加权平均在综合评估中的应用
The relation of ??to the average value of ??may be assumed to lie between the aforementioned relations for uniform plane stress and uniform plane strain.
而?潞往闷骄?值的关系式可以认为处于上述的均匀平面应力和均匀平面应变的两个关系式之间。
permissible mean maximum pressure
容许的最大平均压力
estimated average transmitting ability
平均遗传能力估计值
mean effective pressure indicator
平均有效压力指示器
Average Number of Persons Supported by a Laborer
平均每个劳动力负担
(of memory) having greater than average range.
（指记忆力）大于平均范围。
Dissel mean effective pressure
狄塞尔平均有效压力
Average Number of Able bodied and Semi able bodied Laborers per Household (person)
平均每户整半劳力(人)
