波纹管耐撞性的多目标优化

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摘要本文研究波纹管受轴向压缩时耐撞性的优化设计。首先，选择波纹管总吸能和最大冲击力为目标函数，其主要几何参数为设计变量；其次，通过试验设计获得试验方案，进而建立耐撞性分析的替代模型；最后采用多目标优化进化算法NSGA-II（针对不同设计变量进行实数编码或二进制编码）进行计算，最终获得优化问题的Pareto前端，实现波纹管耐撞性的多目标优化设计。本文研究工作为波纹管耐撞性的优化设计提供了重要工程参考。

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	张平1
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	马建1
	那景新2

关键词 ：波纹管, 耐撞性, 多目标, 优化

Abstract：The crashworthiness optimization of corrugated tube subjected to axial crushing was researched. First, the total energy absorption and the peak impact force were selected as the objective functions, and the main geometric parameters of the tube were selected as the design variables. Secondly, the surrogate models were constructed using the DOE (design of experiment) information and the simulation results. Finally, the crashworthiness was optimized by using multi-objective optimization algorithms (such as NSGA-II), in which the binary or real coding schemes were used for different type of variables. The Pareto optimal front of this multi-objective problem can be found. This work provides valuable engineering design reference for the crashworthiness optimization of corrugated tube.

Key words： corrugated tube crashworthiness multi-objective optimization

收稿日期: 2014-07-09 出版日期: 2015-08-15

引用本文:

张平1,2，马建1，那景新2. 波纹管耐撞性的多目标优化[J]. 振动与冲击, 2015, 34(15): 12-16.
Zhang Ping1,2, Ma Jian1, Na Jin-xin2. Multi-objective Optimization on the Crashworthiness of Corrugated Tube. JOURNAL OF VIBRATION AND SHOCK, 2015, 34(15): 12-16.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2015/V34/I15/12

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