• A model for fatigue reliability analysis of structural members under random stress time courses is proposed.

    提出了一种随机应力时间历程作用下构件疲劳可靠性分析的新模型。

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  • A new method for strain-based fatigue reliability analysis is constructed by considering interference between the random fatigue strain applied and capacity histories.

    应用随机循环应变载荷-强度干涉模型,建立了基于应变的疲劳可靠性分析新方法。

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  • To do fatigue reliability analysis for the cracked structures can give us some reference for the safety evaluation of such structures, so it has great practical significance.

    对含裂纹结构进行疲劳可靠性分析,可以为此类结构的安全性评估提供参考,具有很大的现实意义。

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  • The work includes several parts as the following:Firstly, fatigue and fracture reliability theory is introduced, along with the statistics theory and its application in fatigue reliability analysis.

    论文首先阐述了疲劳断裂可靠性一般理论以及应用于疲劳可靠性分析中的概率统计基础理论。

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  • A analysis method of fatigue life reliability for composite structures is developed based on residual strength degradation theory.

    以剩余强度衰减理论为基础,建立了一种复合材料结构疲劳寿命可靠性定量分析的工程方法。

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  • From the searched information it can be conveniently performed of the conventional fatigue design analysis and reliability assessment of structures.

    根据查询结果,可进行常规疲劳设计分析与评价或常规疲劳可靠性设计分析与评价。

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  • The reliability analysis of specimen was carried out by detail fatigue rating.

    最后,运用细节疲劳额定值法对开孔试件的疲劳寿命进行了可靠性分析。

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  • In response to the complexity of calculation for failure probability regarding fatigue crack growth life, a method for reliability analysis based on neural network response surface was presented.

    针对疲劳裂纹扩展寿命失效概率计算的复杂性,提出基于神经网络响应面的可靠性分析方法。

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  • At present, in many cases, reliability analysis of structural systems of strength failure, stiffness failure and fatigue failure is respectively considered.

    目前结构系统在静载作用下失效和疲劳载荷作用下失效以及刚度失效这几种情况下的可靠性大多是分别予以考虑的。

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  • A reliability analysis method on the fatigue lives of interference fit or coldworking strengthened parts is presented.

    提出了一种处理钉孔挤压强化或干涉配合强化后元件疲劳寿命的可靠性分析方法。

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  • The paper discusses the failure mechanism of structural system subjected to dead and fatigue load and gives the method of reliability analysis considering static strength and fatigue.

    具体分析了结构系统在静载和疲劳载荷作用下的失效机理以及各失效模式之间的相关性,给出了在静载和疲劳载荷作用下结构系统的可靠性分析方法。

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  • So in this paper, research work on the assessment methods of fatigue life reliability analysis of aero-engine components and its application were made.

    本文拟研究航空发动机零构件寿命可靠性试验评估方法及在工程中的应用。

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  • Based on residual strength interference model and life interference model, a sensitivity analysis method on reliability was proposed for the fatigue crack growth life of powder metallurgy materials.

    结合粉末冶金材料含有非金属夹杂裂纹的特点,以裂纹扩展寿命可靠性分析的剩余强度模型与寿命干涉模型为基础,建立了多夹杂裂纹扩展的可靠性敏度分析模型。

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  • Numerical results show that the fuzzy reliability analysis of fatigue life tends to provide more safety than traditional analysis does.

    数值结果表明,常规设计下结构的疲劳寿命可靠度偏于危险。

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  • Numerical results show that the fuzzy reliability analysis of fatigue life tends to provide more safety than traditional analysis does.

    数值结果表明,常规设计下结构的疲劳寿命可靠度偏于危险。

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