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Reliability analysis of a composite laminate using estimation theory

基于估计理论的复合材料层合板可靠性分析

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Abstract

Composite laminates are made up of composite single-plies sequence. The plies generally have the same fiber and resin and their difference in fiber orientation results in a difference in various laminates’ strength. Tsai-Hill failure criterion as a limiting state function to analyze structural reliability of a composite laminate and estimation theory in order to estimate statistical parameters of effective stress were utilized to construct probability box. Finally, we used the Monte Carlo simulation and FERUM software to calculate the upper and lower bounds of probability of failure.

摘要

复合层压板由复合单层序列组成。同一层通常具有相同的纤维和树脂,其纤维取向上的差异将 直接导致各种层合物强度的不同。本文利用Tsai-Hill失效准则作为分析复合材料层合结构可靠性的极 限状态函数和估算理论来估计有效应力的统计参数,构建概率盒。最后,使用蒙特卡罗模拟和FERUM 软件来计算失效概率的上限和下限。

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Correspondence to Sina Toosi.

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Sadeghian, E., Toosi, S. Reliability analysis of a composite laminate using estimation theory. J. Cent. South Univ. 26, 665–672 (2019). https://doi.org/10.1007/s11771-019-4037-3

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  • DOI: https://doi.org/10.1007/s11771-019-4037-3

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