A new and simple method is presented for random vibration fatigue life prediction.
提出了一种随机振动疲劳寿命预计的简便数据处理方法。
All these lay a theoretical foundation for material fatigue life prediction by using ct.
为后期利用CT进行材料疲劳寿命分析奠定了理论基础。
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 time domain nonlinear dynamic analysis of a steel catenary riser was introduced for fatigue life prediction.
研究了钢悬链立管时域非线性动力分析用于疲劳寿命预估。
As for notched specimen, the fatigue life prediction using fatigue factors of half-life section is the smallest.
对于缺口疲劳试样,则采用半寿命阶段的疲劳参数的预测结果为最小。
Number of failure cycles is calculated depending on fatigue life prediction equation based on the energy analysis.
通过基于以能量为基础的疲劳寿命预测公式预测焊点的失效循环数。
A multiaxial fatigue life prediction model was built by means of the proposed multiaxial fatigue damage parameter.
根据该参量,本文建立了多轴疲劳寿命预测模型。
The strain-life curves are essential in order to apply the local stress strain approach for fatigue life prediction.
用局部应力应变法进行疲劳寿命估算,必须使用应变—寿命曲线。
This technology has important application value for fatigue life prediction of pressure vessel in use containing defects.
本文技术对于在役含缺陷压力容器的疲劳寿命预测具有重要的应用价值。
A numerical simulation technology of fatigue life prediction of pressure vessel based on cyclic J - integral is developed.
开发了一种基于循环J积分的压力容器疲劳寿命预测的数值模拟技术。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
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。
This conclusion may provide experimental evidence for fatigue life prediction and design of titanium alloy wing main beam.
该结论可为机翼钛合金主梁构件疲劳寿命预测及疲劳设计提供试验依据。
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。
There have been some fatigue life prediction methods in the recent decades, but most of them cannot explain some known fatigue phenomena.
最近,本文第二作者提出了一种海洋结构物疲劳寿命预报的统一方法。
The fatigue life prediction models will give better prediction by considering the influence of different loading paths upon the fatigue life.
在多轴疲劳寿命预测模型中考虑非比例加载路径对疲劳寿命的影响可以大大提高寿命模型预测的精确度。
Based on fatigue life prediction theory, fatigue life curve of dangerous points of wheels under force of a certain locomotive was established.
根据疲劳寿命预测理论,建立了某机车车轮受力危险点在不同路况下的疲劳寿命曲线。
It is shown that this predicting method by Grey-Markov Model was easy to implement, and which is a new method in fatigue life prediction of concrete.
证明了利用灰色马尔可夫链对混凝土疲劳寿命进行预测是一种行之有效的新方法。
Fatigue life prediction from the initial crack size to failure based on long crack propagation at different zones of welded joint was made by using j.
以焊接处微观结构缺陷尺寸作为初始裂纹尺寸,采用基于裂纹闭合的全寿命预测模型,以焊接区域不同位置的长裂纹扩展速率曲线作为基线,利用J。
Finally, both the rig test and fatigue life prediction are carried out to validate the effectiveness and reliability of optimized design of transmission mount...
结合台架试验和疲劳寿命预测对变速器悬置支架疲劳寿命进行分析以验证改进方案的有效性和可靠性。
With the effective seam weld fatigue life prediction method, the fatigue damage and life of the seam weld under actual vehicle operating conditions can be calculated.
采用该方法可计算出真实运行工况下结构焊缝的疲劳损伤和寿命情况。
The result provides a theoretical reference for fatigue life prediction of an aircraft structure with three-dimensional widespread cracks in complicated environments.
预测结果为复杂环境中三维广布裂纹飞机结构的寿命评估提供了参考。
Finally, both the rig test and fatigue life prediction are carried out to validate the effectiveness and reliability of optimized design of transmission mount bracket.
结合台架试验和疲劳寿命预测对变速器悬置支架疲劳寿命进行分析以验证改进方案的有效性和可靠性。
Therefore, the difference of fatigue property among different regions on a DS turbine blade should be considered in blade structure design and fatigue life prediction.
这说明叶片不同部位的材料疲劳性能差异明显,在定向凝固涡轮叶片的结构、寿命设计中,需要考虑这种差异。
Finally, carried on every position damage statics and carried out fatigue life prediction of endwall in accordance with AAR standard and BS EN1993-1-3 standard separately.
最后进行端墙各部位的损伤统计,分别按照AAR标准和BSEN1993-1-9标准估算端墙各部位的疲劳寿命。
Domestic and international research of fatigue damage mechanism, test technique and fatigue life prediction of inservice railway steel bridges is summarized and forecasted.
本文对目前国内外有关钢桥的疲劳损伤机理、检测技术及疲劳寿命预测的研究做了总结和展望。
Bases on the aircraft structure fatigue life theory, consider the characteristics of small UAV, the model of fatigue life prediction for small UVA structure is established.
在飞机结构寿命理论的基础上,结合小型无人机机体结构特点,建立了小型无人机机体寿命分析方法。
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.
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。
This paper introduced the recent researching progress in the world, and introduced the important significance of fatigue life prediction in structure life design and damage limitation design.
简述了当前国内外在这方面的研究进展,以及疲劳寿命预测在结构寿命设计及损伤容限设计上的重要意义。
Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
对数累积损伤模型作为—个失效判据,已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
对数累积损伤模型作为—个失效判据,已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
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