| 接管断裂失效概率估算的抽样方法研究 |
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| 引用本文： | 丁克勤,柳春图.接管断裂失效概率估算的抽样方法研究[J].强度与环境,1997(2):9-13. |
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| 作者姓名： | 丁克勤 柳春图 |
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| 作者单位： | 中国科学院力学研究所!北京，100080 |
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| 摘 要： | 提出了用分层抽样－重要性抽样复合法计算接管的断裂失效概率，并与直接抽样的ＭｏｎｔｅＣａｒｌｏ法进行了比较，结果表明：用复合法计算接管断裂失效概率不但精度高，而且大幅度节省机时，提高效率。
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| 关 键 词： | 断裂力学 接管 结构可靠性 疲劳断裂 取样 |
Study on Sampling Method of Fracture Failure Probability Estimation of the Nozzle |
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| Ding Keqin, Liu Chuntu.Study on Sampling Method of Fracture Failure Probability Estimation of the Nozzle[J].Structure & Environment Engineering,1997(2):9-13. |
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| Authors: | Ding Keqin Liu Chuntu |
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| Abstract: | The compound method of stratified sampling and important sampling is proposed to calculatethe fracture failure probabicity of the nozzle, and compared with the Monte carlo method of direet sam-pling, the result shows: the compound method is highly accurate and efficient. |
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| Keywords: | Fracture mechanics Nozzle Structural reliability Fatigue failure Sampling |
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