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不确定条件下复合材料结构的全局灵敏度分析

, PP. 699-706

Keywords: 全局灵敏度,不确定性,复合材料结构,稳定性优化设计,方差,失效概率

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Abstract:

基于不确定条件下结构的全局灵敏度分析理论,研究了输入变量的不确定性对复合材料结构输出响应量方差和失效概率的影响。考虑材料力学性能、铺设角、铺层厚度及加载载荷的不确定性,利用基于方差和基于失效概率的全局灵敏度分析方法,对复合材料结构输出位移和强度比的不确定性来源进行分析,得到输入变量的全局灵敏度排序结果。对复合材料工字梁结构进行算例分析,验证了所得排序结果的有效性,为工程实际中复合材料结构稳定性优化设计提供了一定的指导。

References

[1]  吴 浩, 燕 瑛. 基于可靠性的复合材料结构稳定性约束优化设计 [J].复合材料学报, 2007, 24(5): 149-153. Wu Hao, Yan Ying. Reliability-based optimization of composite structures subject to buckling constraint [J]. Acta Materiae Compositse Sinica, 2007, 24(5): 149-153.
[2]  顾元宪, 赵国忠, 李云鹏. 复合材料层合板屈曲稳定性优化设计及其灵敏度计算方法 [J]. 复合材料学报, 2002, 19(4): 81-85. Gu Yuanxian, Zhao Guozhong, Li Yunpeng. Optimum design and sensitivity analysis for buckling stability of composite laminated plates [J]. Acta Materiae Compositae Sinica, 2002, 19(4): 81-85.
[3]  尤凤翔, 郝庆东. 复合材料层合板参数灵敏度分析及优化设计 [J]. 辽宁大学学报: 自然科学版, 2004, 31(4): 306-309. You Fengxiang, Hao Qingdong. Sensitivity analysis and optimum design for composite material laminated plates [J]. Journal of Liaoning University: Natural Sciences Edition, 2004, 31(4): 306-309.
[4]  尤凤翔, 郝庆东. 基于灵敏度分析的复合材料层合板优化设计 [J]. 噪声与振动控制, 2005, 25(4): 67-70. You Fengxiang, Hao Qingdong. Design optimization of composite laminated plates based on sensitivity analysis [J]. Noise and Vibration Control, 2005, 25(4): 67-70.
[5]  Saltelli A, Marivoet J. Non-parametric statistics in sensitivity analysis for model output: a comparison of selected techniques [J]. Reliability Engineering System Safety, 1990, 28(2): 229-253.
[6]  Helton J C, Davis F J. Survey of sampling-based methods for uncertainty and sensitivity analysis [J]. Reliability Engineering System Safety, 2006, 91(10): 1175-1209.
[7]  Sobol I M. Global sensitivity indices for nonlinear mathematical models and their Monte Carlo estimates [J]. Mathematics and Computers in Simulation, 2001, 55(1-3) : 271-280.
[8]  Borgonovo E. A new uncertainty importance measure [J]. Reliability Engineering System Safety, 2007, 92(6): 771-784.
[9]  Cui L J, Lu Z Z, Zhao X P. Moment-independent importance measure of basic random variable and its probability density evolution solution [J]. Science China Technological Sciences, 2010, 53(4): 1138-1145.
[10]  Li L Y, Lu Z Z, Feng J, et al. Moment-independent importance measure of basic variable and its state dependent parameter solution [J]. Structural Safety, 2012, 38: 40-47.
[11]  马祖康. 复合材料力学基础 [M].西安: 西北工业大学, 1996: 55-64. Ma Zukang. Basic mechanics of composite materials [M]. Xi'an: Northwestern Polytechnical University, 1996: 55-64.
[12]  王耀先. 复合材料结构设计 [M].北京: 化学工业出版社, 2001: 34-35. Wang Yaoxian. Composite structure design[M]. Beijing: Chemical Industry Press, 2001: 34-35.
[13]  Borgonovo E, Apostolakis G E, Tarantola S, et al. Comparison of global sensitivity analysis techniques and importance measures in PSA [J]. Reliability Engineering System Safety, 2003, 79(2): 175-185.
[14]  Young P. Time variable and state dependent modelling of nonstationary and nonlinear time series [M]//Rao S T. Developments in time series analysis, New York: Springer US, 1993: 374-413.
[15]  Tian L F, Lu Z Z, Wei P F. Global sensitivity analysis using moving least squares for models with correlated parameters[J]. Journal of Aircraft, 2011, 48(6): 2107-2113.

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