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Reliability estimation by ALT when no analytical model holds

机译:没有分析模型时,通过ALT进行可靠性评估

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Purpose:To present an accelerated life testing method applicable to devices or systems when no analytical relationship with respect to the stress level can be defined.Summary:An accelerated life testing method applicable to devices or systems when no analytical relationship with respect to the stress level can be defined is presented. When a numerical approach is possible, the numerical model can be fitted to the accelerated test results and long-term failures can be predicted from short tests. This method is carried out in the case of fatigue, the evolution of the damage, leading to the failure to be modeled by a numerical finite element method. (16 refs.)
机译:目的:提出一种在无法定义与应力水平的解析关系时适用于设备或系统的加速寿命测试方法摘要:一种在没有针对应力水平的解析关系时适用于设备或系统的加速寿命测试方法可以定义呈现。如果可以采用数值方法,则可以将数值模型拟合到加速的测试结果,并且可以从短期测试中预测长期失败。这种方法是在疲劳情况下执行的,即损伤的发展,从而导致无法通过数值有限元方法进行建模。 (16篇)

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