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Based on the quasi-dynamic model, EHL theory and modificatory fatigue life calculation model, analysis software HBBA is complied and the calculation results meet the experimental data well. 以本论文的准动力学模型、弹流模型、疲劳寿命模型为理论基础，编制了高速主轴球轴承分析软件HBBA，并对航空发动机主轴推力角接触球轴承进行了计算和分析，计算结果与耐久性试验数据较为吻合。
As per related standard,low-cycle fatigue life calculation must be carried through for boiler drums of peaking units;otherwise the secure and economic operation of units will be seriously impacted. 根据相关标准,调峰负荷机组必须进行锅炉锅筒的低周疲劳寿命计算,否则,严重影响机组的安全、经济运行。
FATIGUE LIFE CALCULATION OF MACHINE COMPONENTS 机械零件疲劳寿命计算
When the valid strain concentration factor is 1.3,the fatigue life calculated with the Coffin-Manson equation is conformant to the fatigue life from test rigs. 当取有效应变集中系数为1.;3时;根据Coffin-Manson公式;运用PALIO后桥用钢的应变疲劳性能计算得到的疲劳寿命与实际台架疲劳寿命相符。
Strength and Fatigue Life Calculation of a Engine Turbine Disk 某型发动机涡轮盘强度与疲劳寿命计算
Fatigue Life Calculation & Fatigue Test Analysis of Thin-wall Bar in Longitudinal Joint Area 薄壁杆件连接部位疲劳寿命计算与试验研究
An Analytical Formula for Calculating Fatigue Life? 一个估算疲劳寿命的解析公式?
The prediction model of coiled tubing fatigue life. 连续油管疲劳寿命预测模型的建立。
fatigue life calculation 疲劳寿命计算
A sort of efficient calculation method was developed for fatigue life prediction under random loading. 研究了一种用于随机载荷下试件疲劳寿命预估的有效计算方法。
An engineering calculation method of spot weld fatigue life prediction is introduced. 摘要介绍一种焊点疲劳寿命预测的工程计算方法。
This paper presents a method for creep life calculation of steam turbine parts. 文中提出了汽轮机部件蠕变寿命的计算方法。
Besides,the fatigue life of reliability for the cast steel side frame is predicted by using this method.The calculation shows that the method is practic... 用此方法对铸铜侧架进行的可靠性疲劳寿命估算表明，此法是实用可靠的。
The fatigue life of 45 normalied steel would be decreased by prestretching. 微量的预应变会降低正火45钢的疲劳性能。
Knowledge of fatigue and life analysis techniques, and understanding of component life calculations. 掌握疲劳和寿命分析技术,理解零件的寿命计算。
A residual life calculation method of assessing deteriorated rotor has been proposed. 讨论了在脆化影响下的转子残余寿命的估算方法。
The calculation example about the fatigue life estimation of the 1.5MW variable speed pitch regulated wind turbine blade showed that the GRP blade fatigue life estimation method brought forward is and feasible reliable. 通过所设计的1 5兆瓦变速变桨距风力机叶片疲劳寿命估计的算例表明,本文提出的玻璃钢叶片疲劳寿命估计方法是可靠和实用的。
The load-time-history of parts was obtained by integrating finite element method (FEM) and multibody dynamics simulation, then its fatigue life was predicted by combining FEM and fatigue calculation. 结合有限元方法和多体动力学仿真分析获得部件的工作载荷历程，然后通过有限元方法和疲劳分析联合求解，预测部件的疲劳寿命。
The results indicate that EMR can improve the fatigue life of structure, and can drive interference-fit fastener with large interference. 研究结果表明，电磁铆接技术能够提高结构疲劳寿命，能够安装大干涉量干涉配合紧固件。
A mean strain or prestrain, as in Fig. 83, can under certain conditions reduce the subsequent fatigue life. 一个如图83所示的平均应变或预应变，在某种情况下，能够缩短以后的疲劳寿命。