机械零件在随机载荷作用下产生疲劳失效。
The machine parts occurred fatigue failures under the actions of random loads.
研究了随机载荷作用次数对齿轮可靠性的影响。
The effect of frequency of loading actions on the reliability of a gear is studied.
随机载荷作用下铁路起重机伸缩臂模糊可靠性分析。
Fuzzy Reliability Analysis of Railway Crane Telescopic Jib under Stochastic Load.
海浪等随机载荷的作用可能使立管产生腐蚀疲劳破坏。
They may subject to corrosion fatigue damage owing to the effect of random load imposed upon by sea waves, etc.
通过随机载荷的统计特性建立强度与随机载荷的关系。
The relationship between loading and strength is established through the statistic characteristics of random loading.
本文阐述了随机载荷数据处理过程中所使用的计数方法。
This paper discusses the count methods used in the processing data of random load.
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。
A sort of efficient calculation method was developed for fatigue life prediction under random loading.
本文通过对汽车随机载荷的分析，建立了极值载荷的统计模型。
On analysis of automobile random load, a statistical model is established on extreme load.
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 test result has proved that the analysis accuracy is very high for normalizing 35 steel under random loading.
根据矩阵谱分解的思想，提出多点任意相关的随机载荷识别方法。
The identification of multi-point arbitrary correlated stationary random load is presented in the paper in the light of the method of matrices spectrum decomposition.
本文对传动系多工况二维随机载荷谱的统计方法进行了分析与研究。
The analysis and research on the statistical method for two-dimensional random load spectrum of vehicle transmission are presented in this paper.
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。
By analyzing the statistical properties of random loading, the reliability models of components and systems were developed.
随机载荷作用下的疲劳破坏是起重机焊接箱形梁的主要失效形式之一。
For most of the bridge cranes, the failure of the structures result from the fatigue damage in the welded box beam under the action of random fatigue loads.
本文研究在随机载荷作用下，管状杆件焊接部位裂纹的扩展及断裂问题。
This paper is devoted to the problems concerning the propagation and fracture of the cracks on the welds of the tubes under the random load conditions.
对于承受随机载荷的钢桥，其寿命依赖于这种疲劳载荷造成的累积损伤。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
非线性工程结构对随机载荷的动力响应分析是当前工程界十分关心的问题。
The analysis of dynamic repose by non-linear engineering structure to random load receives much condemn in the current engineering circle.
文中主要考虑了材料的随机结构强度、随机材料性能参数以及随机载荷等。
The random structural strength of material, the random characterized parameters of material and the random loads are considered.
介绍了直燃式双进双出钢球磨煤机传动系统随机载荷的测试方法及数据处理步骤。
The testing method and data processing procedure for random load on the transmission system of a BED type ball mill with straight flow are presented.
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。
The moment equations clearly reflect the relation between two different kinds of statistical properties of the random loading and structure response respectively.
同时总结了其他计算随机载荷疲劳寿命的方法，说明了使用其他模型计算加速因子是可行的。
Then reviewing other methods on fatigue life assessment, provide an acceptable estimation of acceleration factor calculation method under wide-band random vibration condition.
一阶固有频率下振动在试件疲劳寿命中所占的比重随着随机载荷谱均方应力值的降低而降低。
The percentage of fatigue life under first natural frequency of random spectra in fatigue life of specimen decreases with decreasing stress level of random spectra.
本文论述了应用现代测试手段和数据处理方法，研究ZL 50装载机后车架的随机载荷与瞬态响应。
The study of random load and transient response for rear frame of shovel loader model ZL50 using modern test means and data processing is discussed.
噪声载荷是一种高频、宽带随机载荷，在低循环疲劳寿命预测中被广泛采用的时域计数法很难直接利用。
Sonic loading is a high frequency, broadband random process. Basic cycle counting methods, which are prevalently used in time domain, are difficult to be applied.
对此，在探讨中值随机载荷谱数据处理与编制过程的基础上，建立了中值随机载荷谱数据处理专家系统。
In view of this, the data treatment and the compilation procedure of median stochastic load spectrum are discussed. The data treatment expert system for median stochastic load spectrum is created.
这样，大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
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。
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.
本文按滞后环法编制成FORTRAN语言的计算机程序，对拖车车架的实测随机载荷时间历程进行计数。
In this paper the counting process of the Hysteresis Loop counting Method is translated into a FORTRAN program, the time history of load of chassis frame-of the trailer is counted with the computer.
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。
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.
在此基础上，确立了截割头的载荷模型及其模拟方法，并利用编制的计算机程序对截割头的随机载荷以及瞬时截割功率进行了模拟和分析。
On the basis of them , load models and simulation program of the cutting head are given , and the random loads and instantaneous cutting power are simulated and analysed.
该文在分析了时间序列模型的自回归系数对结构单元刚度灵敏度的基础上，提出了一种采用随机载荷作用下结构的时域响应数据进行损伤识别的新方法。
A new method is developed for identifying structural damages at the element level by using time-domain response data at a few points caused by random loadings.
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