The invention discloses a non-probabilistic Bayesian credible reliability analysis method for a composite laminated plate structure. According to the method, the corresponding relation between the structural material attributes of the composite laminated plate and the system structural characteristics of the composite laminated plate is comprehensively considered, the corresponding relation between the structural material attribute parameters and the confidence degree is constructed based on a Bayesian credible reliability analysis and calculation method, and then the reliability of the composite laminated plate is improved by combining the Hashin failure criterion. And calculating the failure rate of the structure under the condition that the material attributes of the structure are uncertain, and exploring a confidence interval analysis method under the condition of few samples. According to the method, in the reliability calculation process, the concept of confidence is effectively introduced, the calculation precision of the structure under the condition of few samples can be kept, and then the calculation efficiency is effectively improved.

    本发明公开了一种面向复合材料层合板结构的非概率贝叶斯可信可靠性分析方法。该方法综合考虑复合材料层合板结构材料属性及其系统结构特性之间的对应关系,基于贝叶斯可信可靠度的分析计算方法,构建了结构材料属性参数与置信度之间的对应关系,进而结合Hashin失效准则,计算结构材料属性不确定的情况下其结构的失效率,并探索在少样本情况下的置信区间分析方法。本发明在进行可靠度计算过程中,有效引入置信度的概念,可以保持结构在少样本情况下的计算精度,进而有效提高计算效率。


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    Title :

    Non-probabilistic Bayesian credible reliability analysis method for composite laminated plate structure


    Additional title:

    一种面向复合材料层合板结构的非概率贝叶斯可信可靠性分析方法


    Contributors:
    LI YUNLONG (author) / NIU ZHENG (author) / DENG HUICHAO (author) / HU TIANXIANG (author)

    Publication date :

    2023-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen