The prediction of fatigue life is important for steel towers and so on, because for this type of structure wind load is regarded as the main load.
由于风荷载是钢塔架等钢结构的主要荷载，风荷载作用下上述结构的疲劳寿命预估因而是至关重要的。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
The thought of this paper is to discuss on and analysis to dynamic response of HSMS under impact load, and estimate its mean life based on noted stress fatigue design method.
本文的主导思想是讨沦和分析冲击载荷下螺旋弹簧质量系统的动态响应，并应用名义应力疲劳设计方法估计其平均寿命。
Torsional and bending load spectra of drive shaft are worked out and fatigue life of the shaft estimated.
编制出驱动轮轴扭转与弯曲载荷谱，并对驱动轮轴的随机疲劳寿命进行了估算。
This paper provided the experimental research results of fatigue design methods and design data of infinite life under uniaxial load.
本文提供了作者在单轴载荷下的无限寿命疲劳设计方法和设计数据研究方面的试验研究结果。
The fretting fatigue life under complex loads monotonously decreases with the increase of the high cycle load while the low cycle loads keep constant.
复合载荷下，低周幅值不变，增加高周载荷的幅值，微动疲劳寿命随幅值比的增加而降低。
The results show that the crack growth rate under high-low cycle complex fatigue load is greater than that under low cycle fatigue load, and so the fatigue life is obviously reduced.
结果表明：与纯低周载荷作用相比，高低周复合载荷下球墨铸铁的裂纹扩展速率明显加快，极大地降低材料的疲劳寿命。
The entire fatigue load spectra of supporting-case provide the bases for the establishment of intensity, fatigue life analysis and experiment spectra.
最终得到的承力机匣疲劳载荷谱为后续的强度与疲劳寿命分析及其试验谱的确定提供了依据。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
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 skid bank fatigue life test of automobile transmission assembly has a long periodic time, which should go on under certain temperature and load.
变速器总成台架疲劳寿命试验周期长，并且要求其在一定温度、载荷下进行。
The application of the Load Simulation Method (LSM) in the evaluation of the remaining fatigue life for railway steel bridges is introduced.
介绍了荷载模拟法在铁路钢桥疲劳剩余寿命评估中的应用。
The one-dimension and two-dimension load spectra are used to predict the fatigue life of the rear axle in EQ1030T light truck.
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。
This paper presents the load spectrum and an engineering estimating method of the fatigue life of GRP blade of large-scale wind turbine.
研究了大型风力机玻璃钢叶片载荷谱和疲劳寿命的工程估算方法。
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.
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。
This paper presents a conversion method of an equivalent load which can meet the needs of equivalent fatigue life, and the method has been verified by test results.
提出了一种满足疲劳寿命等效要求的当量载荷处理方法，并得到试验验证。
Load spectra are important basis on which the classification of cranes, the experimental study of fatigue limit of the crane framework, and the evaluation of its life limit are based.
载荷谱是起重机分级、结构疲劳强度试验研究和寿命估算的重要依据。
The simulation torsion load can be used to make up torsion fatigue load spectrum for test and estimate the fatigue life of component parts of truck transmission system.
计算载荷可以用来编制货车传动系统扭转疲劳试验载荷谱、估计零部件的疲劳寿命。
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后，本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律，建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
Finally the threshold value of load amplitude that influences fatigue life of wheelset is calculated based on the principle of equivalent damage and damage distribution agreement.
依据损伤等效和损伤分布一致原则，计算得出了影响轮对疲劳寿命的载荷幅值门槛值。
The methods of fatigue crack initiation life predictions under complex load are introduced in this paper.
介绍了复杂载荷下疲劳裂纹形成寿命预测的方法。
Found non-linear fatigue damage equation and fatigue failure criterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则，分析了加载次序效应对总疲劳寿命的影响；
The 45 steel natural relation of dead load with cyclic load and low frequency and high frequency strain cycling fatigue life are studied.
本文对45号钢在静载荷下与在循环加载下的本构关系进行了探讨，并给出了低周与高周应变循环的疲劳寿命表达式。
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.
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, a method of computation for the low-cyclic fatigue life under the action of asymmetrical cyclic load is proposed.
提出了一个用于计算非对称循环载荷下材料低周疲劳寿命的累积损伤模型和方法。
The proposed rod adopts a structure of screw-pair jointing, load-bearing cylinder and thin-wall tube, and is characteristic of high energy transfer efficiency and good anti-fatigue life.
新型钎杆采用螺旋副连接柱面承载结构和薄壁管式结构，具有能量传递效率高抗疲劳寿命性能好等特点。
Try the cardiovascular stent of computational analysis before implantation into the human body at the same time , the fatigue life under the load function of specific cycle ;
由于该模拟分析中可以了解到血管支架在植入人体后，及可能产生的破坏位置点；
Under the condition of the statistical parameters related to fatigue life of the structure, such as the initial crack length, the material toughness used, and the load acting on the structure being g…
在给定与疲劳寿命有关的各参数条件下求得动态可靠性曲线，从而在结构设计中根据可靠性要求确定或选择设计参数。
Under the condition of the statistical parameters related to fatigue life of the structure, such as the initial crack length, the material toughness used, and the load acting on the structure being g…
在给定与疲劳寿命有关的各参数条件下求得动态可靠性曲线，从而在结构设计中根据可靠性要求确定或选择设计参数。
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