| 翼盒结构的可靠性分析及基于系统可靠性的优化设计 |
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| 引用本文： | 冯元生,宋笔锋.翼盒结构的可靠性分析及基于系统可靠性的优化设计[J].航空学报,1991,12(7):359-364. |
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| 作者姓名： | 冯元生 宋笔锋 |
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| 作者单位： | 西北工业大学
(冯元生)，西北工业大学(宋笔锋) |
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| 摘 要： | 本文研究了翼盒结构的可靠性分析及基于系统可靠性的结构优化设计方法。采用发展了的优化准则法枚举系统的主要失效模式,和Feng的高精度法计算系统破坏概率,提出两个迭代公式进行元件尺寸的优化设计。算例结果表明本文方法是中、大型结构系统可靠性分析及优化设计的有效方法。
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| 关 键 词： | 可靠性分析 可靠性设计 翼盒结构 |
THE SYSTEM RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN FOR WING-BOX STRUCTURES |
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| Northwestern Polytechnical University Feng Yuansheng and Song Bifeng.THE SYSTEM RELIABILITY ANALYSIS AND OPTIMIZATION DESIGN FOR WING-BOX STRUCTURES[J].Acta Aeronautica et Astronautica Sinica,1991,12(7):359-364. |
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| Authors: | Northwestern Polytechnical University Feng Yuansheng and Song Bifeng |
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| Institution: | Northwestern Polytechnical University Feng Yuansheng and Song Bifeng |
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| Abstract: | The methods of system reliability analysis and optimization for wing-box structures are studied in this paper. The optimility criterion method is adopted to enumerate the significant failure modes and Feng's method with high accuracy is used for computing system failure probability. Two iterative formulae are presented to minimize the structural weight. The illustrative examples show that these methods are very efficient, especially for medium and large scale structures. |
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| Keywords: | reliability analysis optimization design wing-box structures |
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