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推力室结构力学分析与优化设计

李毅 孙冰 方杰

李毅, 孙冰, 方杰. 推力室结构力学分析与优化设计[J]. 航空动力学报, 2016, 31(10): 2530-2535. doi: 10.13224/j.cnki.jasp.2016.10.029
引用本文: 李毅, 孙冰, 方杰. 推力室结构力学分析与优化设计[J]. 航空动力学报, 2016, 31(10): 2530-2535. doi: 10.13224/j.cnki.jasp.2016.10.029
LI Yi, SUN Bing, FANG Jie. Structural mechanics analysis and optimization design of thrust chamber[J]. Journal of Aerospace Power, 2016, 31(10): 2530-2535. doi: 10.13224/j.cnki.jasp.2016.10.029
Citation: LI Yi, SUN Bing, FANG Jie. Structural mechanics analysis and optimization design of thrust chamber[J]. Journal of Aerospace Power, 2016, 31(10): 2530-2535. doi: 10.13224/j.cnki.jasp.2016.10.029

推力室结构力学分析与优化设计

doi: 10.13224/j.cnki.jasp.2016.10.029
基金项目: 

国家高技术研究发展计划

详细信息
    作者简介:

    李毅(1990-),男,辽宁大连人,博士生,主要从事液体火箭发动机研究.

  • 中图分类号: V434

Structural mechanics analysis and optimization design of thrust chamber

  • 摘要: 针对某液体火箭发动机推力室建立了参数化模型,使用有限元方法分析结构固有频率和振型,并进行了模态试验验证.采用最优拉丁超立方法进行计算机数值试验设计,得到了结构质量和1阶固有频率对于设计变量的敏感性,对于优化设计过程具有指导意义.使用NSGA-Ⅱ算法开展多目标优化设计,得到了同时满足静力学与动力学设计要求的推力室结构最优设计方案.最优设计方案的推力室质量减轻了9.1%,1阶固有频率值提高了22.6%,结果表明该方法能有效提高推力室的力学性能.

     

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出版历程
  • 收稿日期:  2015-01-14
  • 刊出日期:  2016-10-28

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