Study on the Fatigue Reliability Model Based on Probability Distribution of Fatigue Life under spectrum loading

机译：基于频谱载荷下疲劳寿命概率分布的疲劳可靠性模型研究

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Under variable amplitude load history the exact distribution of fatigue strength corresponding to a specified number of life cycles cannot be obtained exactly by test,fatigue strength distribution can be obtained from fatigue life distribution.According to statistical property analysis of Miner cumulative damage rule,probability distribution of fatigue life under variable amplitude load history is predicted based-on constant amplitude median Sa-Sm-N surface.In the end,a fatigue reliability model is established to calculate fatigue reliability according to stress distribution as well as fatigue life distribution function.The model is applicable to calculate fatigue reliability under stochastic load environments.

机译：在变幅载荷历史下，不能通过试验精确得出与指定寿命周期相对应的疲劳强度的精确分布，而可以从疲劳寿命分布中得出疲劳强度分布。根据矿工累积损伤规律的统计性质分析，概率分布基于等幅中值Sa-Sm-N表面，预测了在变幅载荷历史下的疲劳寿命。最后，建立了疲劳可靠性模型，根据应力分布和疲劳寿命分布函数计算疲劳可靠性。该模型适用于计算随机载荷环境下的疲劳可靠性。

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《International conference on frontiers of manufacturing and design science》|2011年|2788-2792|共5页
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Ying Wu; Liyang Xie;
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正文语种
中图分类机械制造工艺;
关键词
Constant amplitude median Sa-Sm-N surface; Miner's rule; Probability distribution of fatigue life; Fatigue reliability model;

机译：等幅中值Sa-Sm-N表面;矿工规则疲劳寿命的概率分布;疲劳可靠性模型;

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4. Study on the Fatigue Reliability Model Based on Probability Distribution of Fatigue Life under spectrum loading [C] . Ying Wu, Liyang Xie International conference on frontiers of manufacturing and design science . 2011

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Study on the Fatigue Reliability Model Based on Probability Distribution of Fatigue Life under spectrum loading

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