介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
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.
高温低周疲劳(HLF)寿命预测方法对于承受变幅载荷的高温构件的设计具有重要意义。
High temperature low cycle fatigue (HLF) life prediction models have great significance for design of high temperature structure under cycLic 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。
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.
结果表明，变幅载荷下疲劳寿命的预测结果和模拟结果均服从对数正态分布，且两者符合很好。
The test results show that the predicting fatigue life under variable amplitude loading follow the log normal distribution and agree well with simulation test results.
本文在分析总结经验法和极限平衡法等理论计算方法的基础上，从快速载荷试验曲线预测的角度对强夯碎石墩的极限承载力进行了研究。
Based on the analysis and conclusion of the theoretical methods, research has been made on the ultimate bearing capacity of gravel stake by predicting the entire curve of fast load test.
大位移井在套管下入过程中大钩载荷和套管可下入深度的预测是大位移井成功完井的关键因素之一。
Predicting and controlling the hook load and casing running depth in the process of completing extended reach Wells is one of the key factors to ensure the completion to be successful.
本文对谱载荷下预测疲劳裂纹扩展的各种模型作了综合介绍及评述。
This paper gives a comprehensive introduction and review of the models for predicting fatigue crack growth under spectrum loadings.
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。
Study of fatigue crack growth rate and fatigue life calculation under random loading is very important for the reliable life prediction of engineering structures.
为了有效地预测高速列车转向架构架的疲劳强度或寿命，提出了一种基于试验谱载荷的疲劳强度预测方法。
To forecast fatigue strength or fatigue life of the bogie frame of a high-speed train effectively, a method for fatigue strength forecasting based on tested spectrum loads was proposed.
根据不同载荷条件下土体蠕变破坏的时间数据列，建立了土体流变破坏时间的灰色预测模型。
According to the sequence of the soil creeping failure time under different loading conditions, a grey forecasting model for the failure time in the course of soil creeping is established.
介绍了复杂载荷下疲劳裂纹形成寿命预测的方法。
The methods of fatigue crack initiation life predictions under complex load are introduced in this paper.
通过此算法，能计算出抽油杆柱在任意时刻，任意截面的位移和载荷，而且该方法在计算时无条件稳定，特别适用于对斜井的预测。
By using this method, it can evaluate the displacement and the load of any section at any time, and the method is stable, and it is especial adapt to the inclined well.
介绍了一种单桩静载荷试验极限承载力的预测法——多项式回归法。
In this paper, a method, called multinomial regression for forecasting for ultimate bearing capacity of singe pile with static load experiment is proposed.
文章提供了准确预测焊接变形的固有应变等效载荷法。
A method, the equivalent loading method based on inherent strain, to predict welding deformations of structures accurately is presented in this paper.
该程序可以较大程度地提高最终失效载荷的预测精度，为复合材料层合板结构的设计和使用提供了有力的技术支持。
The predicted precision of ultimate strength may be improved by the program, which provides technical support for the design and use of laminated composites.
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.
介绍了疲劳累积损伤模型，并对不同载荷谱作用下的结构疲劳寿命预测公式进行了理论推导，为后面的计算分析奠定了理论基础。
A cumulation damnification model is introduced. The formulae of structure fatigue lives prediction are deduced to form the basis of the following calculation and analysis.
这些模型在一定范围内都能够预测变幅载荷下裂纹扩展。
The predicted lifes by using this model under spectrum loading are in good agreement with experimental data.
运用灰色系统理论，对地基现场快速载荷试验各荷载下的t -s曲线及总体的P - s曲线进行了双重灰色预测。
In this paper, the grey theory is used to predict both ts curves obtained from the fast load test and general P-S curve.
预测了变幅载荷下给定存活率的疲劳寿命，并用蒙特卡洛法模拟变幅载荷下疲劳试验进行了验证。
The fatigue life with given survivability under variable amplitude loading is predicted, and checked by simulating test using Monte Carlo method.
预测的强度能够反映出横向剪切效应的影响，其影响只与载荷大小有关，而与跨高比无关；
The calculated strength could show the affection caused by transverse shear effect and the affection had only relation to the loading value and no to the ratio of span-height.
由于履带板的载荷历程难以测试和载荷作用部位难以确定，疲劳寿命预测很难进行。
It is very difficult to predict the fatigue life of the creeper tread because both testing load history and fixing on load locations are not easy to realize.
分别利用一维和二维载荷谱对EQ1030T型轻型车后桥进行了疲劳寿命预测。
The one-dimension and two-dimension load spectra are used to predict the fatigue life of the rear axle in EQ1030T light truck.
在考虑导弹空重、有效载荷和气动特性的情况下，预测了未来先进飞航导弹的性能。
The performance of next generation maneuverable missile was predicted by taking into account its important parameters such as lift to drag ratio, empty weight to total weight ratio and effective load.
要准确预测结构在变幅载荷谱下的疲劳裂纹扩展寿命，必须研究超载对裂纹扩展的影响。
Therefore, it is necessary to evaluate the influence of overloads on crack growth rates for the fatigue life prediction of structures subject to variable amplitude loadings.
文章提供了准确预测焊接变形的固有应变等效载荷法。
To address this, an equivalent load method based on inherent strain is presented.
本文以大客车车身典型零件为研究对象，采用局部应力应变法预测承受高周载荷零构件的疲劳寿命。
In This paper, the method of local stress and strain was used to predict the fatigue life of bus body parts under high cycling load.
当今汽车工业开发过程中越来越依赖于多体动力学模型预测车辆载荷。
Automotive engineering development processes are growing more dependent on the use of muti-body dynamic (MBD) models for generating vehicle loads.
当今汽车工业开发过程中越来越依赖于多体动力学模型预测车辆载荷。
Automotive engineering development processes are growing more dependent on the use of muti-body dynamic (MBD) models for generating vehicle loads.
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