在详细分析试验和有限元计算结果的基础上，提出了复杂应力状态下的低周疲劳寿命模型。
Based on experimental data and finite element analysis results, a low-cycle fatigue life model is proposed for the powder metallurgy superalloys under multiaxial stress states.
通过对序进应力加速寿命试验的研究，提出了一种快速评价微电子器件失效激活能的方法，建立了计算失效激活能的理论模型。
Basing on the study of progressive stress accelerated life test, a rapid evaluation method for electronic device's activation energy is proposed, and the theory model is constructed.
通过对序进应力加速寿命试验的研究，提出了一种快速评价半导体器件失效激活能的方法，建立了计算失效激活能的理论模型。
Basing on the study of progressive stress accelerated life test, a rapid evaluation method for electronic devices activation energy is proposed, and the theory model is constructed.
获得了用电阻变化测量疲劳损伤的公式，应用计及疲劳极限和循环应力幅影响的非线性累积疲劳损伤模型，给出了金属材料疲劳损伤的剩余寿命预测公式。
By using the nonlinear cumulative fatigue damage model considering the influence of the fatigue limit and the cyclic stress amplitude, the remaining life formula of the.
在某些情况下，如进行复杂应力条件下的疲劳素损伤分布分析，疲劳失效寿命和应力幅水平的连续分布模型更有意义。
In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.
以加速寿命方程作为应力模型，解决利用不同环境应力下可靠性增长试验数据，求试验结束时设备可靠度的置信下限问题。
In this paper, we analyze reliability growth data from different stress environments. We adopt the accelerated life equations as the stress model and obtain the confidence of the reliability.
文中指出，采用新的波浪设计载荷和腐蚀增量模型，热点应力法可以有效评估边舱折角点的疲劳强度，保证结构在寿命期内的安全。
This paper indicates that the hot stress method could be effective and safe for ship to adopt new wave load model and erosion model.
研究了MOS器件中的热载流子效应，在分析了静态应力下MOSFET寿命模型的基础上，提出了动态应力条件下MOSFET的寿命模型。
The hot carrier effects (HCE) in MOSFET are studied in this paper. Based on MOSFET lifetime model of direct current, we present MOSFET lifetime model of dynamic stress.
对用于分析步进应力加速寿命试验的累积损伤模型进行时间变换，保留模型对数据拟合的灵活性的同时简化了数学计算。
The time-transformation of the cumulative exposure model used to analyze step-stress accelerated life testing simplifies the mathematical mode without sacrificing flexibility for fitting data.
首次把感应淬火所产生的残余应力添加到了曲轴的模型里，计算了淬火前后的疲劳强度与寿命。
For the first time, the paper adds residual stress produced by hardening to the model. Then prequench crankshaft and postquench crankshaft are fatigue analyzed.
建立考虑维修效应和修后应力史变化的结构寿命周期可靠性模型是有待开展的重要工作；
The structural reliability models should be developed to consider the different effects of restoring structural functions and the affects of new fatigue stressing process after repair.
根据汽轮机低压叶片所受载荷的特点，建立了一种基于三维有限元法和改进局部应力应变法的叶片疲劳寿命预测模型。
According to the characteristics of loads on blades, a model for estimating fatigue life of blades is presented based on three-dimensional finite element method and improved local strain method.
借助于脉冲波形的傅里叶级数分解，研究了一般交流应力条件下金属化电迁移的影响因素，建立了一般交流应力条件下金属铝膜电迁移寿命模型。
Metal Aluminium film EM in general AC stress has been researched with Fourier decomposition, developing a Metal Aluminium film EM life model under in general AC stress.
通过回归理论估计了贮存退化模型的参数，并用所建模型对弹用EMR正常温度应力下的贮存寿命进行了预测。
Parameters of the storage degradation model are estimated through the regression theory, and the storage life of missile EMR under normal stress is predicted.
本文通过应变分布对寿命的影响函数分析，导出了一种适用于应力疲劳和应变疲劳的通用寿命模型。
A general life model adapted to both stress fatigue and strain fatigue is deduced, through analyzing the influence function of strain distribution on life.
现文利用等效应力建立了连续油管的疲劳寿命估计模型；
Based on the equivalent stress formula of the coiled tubing, the life prediction model was put forward and a semi-empiric formula for prediction …
现文利用等效应力建立了连续油管的疲劳寿命估计模型；
Based on the equivalent stress formula of the coiled tubing, the life prediction model was put forward and a semi-empiric formula for prediction …
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