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。
The test result has proved that the analysis accuracy is very high for normalizing 35 steel under random loading.
经正火35钢随机载荷疲劳试验验证，其可靠性分析精度较高。
The fatigue life of a notched specimen under random loading spectrum is evaluated by means of the present method.
用该方法分析了一个缺口试件在随机谱载下的裂纹形成寿命，结果比常规的有效系数和雨流法更接近试验结果。
So far, theoretical or experimental studies of random loading identification have rarely been seen in the literature.
随机荷载识别的理论和实验研究都还十分稀少。
The relationship between loading and strength is established through the statistic characteristics of random loading.
通过随机载荷的统计特性建立强度与随机载荷的关系。
The semi-analytical solution for evaluating ESR from spectral density function of wide-band random loading is presented.
提出了依据宽带随机谱功率密度函数求解等效应力幅的半解析公式。
By analyzing the statistical properties of random loading, the reliability models of components and systems were developed.
通过分析随机载荷的统计特征，得到机械零件及系统的可靠度模型。
A calculation method used for fatigue life prediction of components under narrow band random loading is discussed in detail.
文中详细论述了机械构件在窄带随机应力作用下疲劳寿命预测的计算方法。
Probability density evolution method for the analysis of linear stochastic structural static response under random loading is proposed.
提出了随机荷载作用下随机结构线性静力反应的概率密度演化方法。
The moment equations clearly reflect the relation between two different kinds of statistical properties of the random loading and structure response respectively.
矩量方程清楚地反映出分别对应随机载荷和结构响应的两种不同统计特性的相互关系。
Study of fatigue crack growth rate and fatigue life calculation under random loading is very important for the reliable life prediction of engineering structures.
变化载荷作用下裂纹扩展律和疲劳寿命的计算对工程结构的寿命的可靠预测是十分重要的。
A new type of random program constant amplitude load spectrum is introduced, which is used in laboratory simulation test and life prediction of tractor components under random loading.
本文介绍了一种新型的随机程序载荷谱，以用于拖拉机零部件在随机载荷作用下的室内模拟试验与寿命预测。
Many engineering structures are subjected to random loading in service. The load cycle interactions can have a very significant effect in fatigue crack growth under variable amplitude loading.
许多工程结构在服役过程中受到随机载荷的作用，载荷循环之间的相互作用对裂纹扩展将产生明显的影响。
The results of analysis and test show that testing time could be shortened 35% with the improved software GAUSS for controlling the MTS system during random-loading fatigue test.
分析和试验的结果表明，用改进后的软件控制随机加载的疲劳试验，可节省35%的试验机时。
The results of analysis and test show that testing time could be shortened 35% with the improved software GAUSS for controlling the MTS system during random-loading fatigue test.
分析和试验的结果表明，用改进后的软件控制随机加载的疲劳试验，可节省35%的试验机时。
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