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基于响应面方法的结构耐撞性优化

Keywords: 结构优化,响应面方法,试验设计,碰撞设计

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Abstract:

为了提高结构耐撞性优化的求解效率,采用响应面方法将结构碰撞的响应表示为设计变量的显式函数,构造了2种优化模型.一种是将刚体加速度和侵入变形分别拟合为椭圆和线性响应面;另一种是将刚体加速度和侵入变形均拟合为椭圆响应面.用IS-dyna软件为结构碰撞分析的求解器,采用Matlab优化工具箱进行优化模型的求解,实现了结构耐撞性优化程序.数值算例表明,基于响应面方法的2种优化模型都能高效地解决结构耐撞性优化问题.

References

[1]  BUCHER C G,BOURGUND U.Fast and efficient response surface approach for structural reliability problems[J].Struc- tural Safety,1990,7(1):57-66.
[2]  LIU B,HAFTKA R T.Single-level composite wing optimization based on flexural lamination parameters[J].Structural and Multidisciplinary Optimization,2004,26(1):111-120.
[3]  王海亮,林忠钦,金先龙.基于响应面模型的薄壁构件耐撞性优化设计[J].应用力学学报,2003,20(3):61-65.WANG Hai-liang,LIN Zhong-qin,JIN Xian-long.Optimal design of thin-walled sections for structural crashworthiness based on the response surface model[J].Chinese Journal of Applied Mechanics,2003,20(3):61-65.(in Chinese)
[4]  ROUX W J,NIELEN S,HAFTKA R T.Response surface approximations for structural optimization[J].International Journal for Numerical Methods in Engineering,1998,42(3):517-534.
[5]  MYERS R H,MONTGOMERY D C.Response surface methodology[M].New York:John Wiley,1995.
[6]  LIU Y W,MOSES F.Sequential response Surface method and its application in the reliability analysis of aircraft structural systems[J].Structural Safety,1994,16(1):39-46.
[7]  KAUFMAN M,BALABANOV V,BURGEE S L,et al.Variable-complexity response Surface approximations for wing structural weight in HSCT design[J].Computational Mechanics,1996,18(2):112-126.
[8]  LIU B,HAFTKA R T,AKGUN M A.Two-level composite wing structural optimization using response surfaces[J].Struc- tural and Multidisciplinary Optimization,2000,20(2):87-96.

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