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考虑模型性不确定性的应力-强度干涉模型

包洪兵 姚卫星

包洪兵 姚卫星. 考虑模型性不确定性的应力-强度干涉模型[J]. 力学学报, 2008, 40(6): 834-839. DOI: 10.6052/0459-1879-2008-6-2007-411
引用本文: 包洪兵 姚卫星. 考虑模型性不确定性的应力-强度干涉模型[J]. 力学学报, 2008, 40(6): 834-839. DOI: 10.6052/0459-1879-2008-6-2007-411
Stress-strength interference model including model uncertainty[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(6): 834-839. DOI: 10.6052/0459-1879-2008-6-2007-411
Citation: Stress-strength interference model including model uncertainty[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(6): 834-839. DOI: 10.6052/0459-1879-2008-6-2007-411
包洪兵 姚卫星. 考虑模型性不确定性的应力-强度干涉模型[J]. 力学学报, 2008, 40(6): 834-839. CSTR: 32045.14.0459-1879-2008-6-2007-411
引用本文: 包洪兵 姚卫星. 考虑模型性不确定性的应力-强度干涉模型[J]. 力学学报, 2008, 40(6): 834-839. CSTR: 32045.14.0459-1879-2008-6-2007-411
Stress-strength interference model including model uncertainty[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(6): 834-839. CSTR: 32045.14.0459-1879-2008-6-2007-411
Citation: Stress-strength interference model including model uncertainty[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(6): 834-839. CSTR: 32045.14.0459-1879-2008-6-2007-411

考虑模型性不确定性的应力-强度干涉模型

Stress-strength interference model including model uncertainty

  • 摘要: 传统干涉模型未考虑设计变量的模型性不确定性影响. 通过讨论模型性不确定性的来源,以概率应力-强度干涉模型为基础引入描述模型性不确定性的随机变量H.分析了H的分布形式,并分别给出了大、小样本容量时H分布参数的计算方法,从而建立了考虑模型性不确定性的应力-强度干涉模型,同时给出了可靠性指标\beta的算法. 分析结果表明该文提出的干涉模型可以很好地描述模型性不确定性.
    Abstract: Model uncertainty of design variables is investigatedbased on traditional stress-strength interference model in this paper. Modeluncertainty source was first studied and a random variable H was introducedto describe the uncertainty. The distribution of parameter H and itscalculation method H corresponding to different sample sizes were given.Finally, an interval stress-strength interference model with modeluncertainty was developed with.the algorithm of reliability index \beta .The results show that the proposed model in the present paper is suitablefor describing the model uncertainty.
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出版历程
  • 收稿日期:  2007-08-28
  • 修回日期:  2008-02-25
  • 刊出日期:  2008-11-17

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