航天推进技术研究院主办
[1]霍世慧,袁军社,徐学军,等.双推力室机架快速优化设计方法研究[J].火箭推进,2015,41(04):55-60.
HUO Shihui,YUAN Junshe,XU Xuejun,et al.A rapid optimization design method for frame structure of double thrust chambers[J].Journal of Rocket Propulsion,2015,41(04):55-60.
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HUO Shihui,YUAN Junshe,XU Xuejun,et al.A rapid optimization design method for frame structure of double thrust chambers[J].Journal of Rocket Propulsion,2015,41(04):55-60.
双推力室机架快速优化设计方法研究
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
41
期数:
2015年04期
页码:
55-60
栏目:
研究与设计
出版日期:
2015-09-30
- Title:
- A rapid optimization design method for frame structure of double thrust chambers
- Keywords:
- rocket engineframe structure of double thrust chamberparametric modelingoptimization design
- 分类号:
- V434-34
- 文献标志码:
- A
- 摘要:
- 针对双推力室发动机机架结构开展快速优化设计方法研究，包括模型参数化和结构的优化设计。通过2种不同工况机架实体和简化模型结构分析结果比较，验证了采用梁单元和MPC单元简化模型进行优化设计的合理性。自编程序直接生成包含机架结构布局和尺寸参数信息的有限元模型文件，解决了传统参数化设计中建模精度和时间对优化设计的制约问题。综合考虑强度、刚度和稳定性进行机架结构布局和轻质化优化设计，机架结构在满足各项约束条件下重量发生明显下降，优化设计收到理想的效果。
- Abstract:
- A rapid optimization design method was established for the frame structure of a rocket engine with double thrust chambers, including parametric modeling and structure optimization design. The rationality to conduct optimization design by means of a simplified model with beam and MPC elements was validated by comparing the structure analysis results of two different frame entities and a simplified model. A finite element model file including the frame structure layout and size information was generated directly by self-compiled program, which improved the modeling precision and decreased the modeling time. The strength, stiffness and stability of the frame structure were considered in the optimization design of the frame structure layout and light weight. The frame weight was decreased significantly under the condition that all restrictions were satisfied. A ideal effect of
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备注/Memo
收稿日期：2015-04-01；修回日期：2015-05-22 作者简介：霍世慧（1985—），男，博士，工程师，研究领域为液体火箭发动机强度理论
更新日期/Last Update:
1900-01-01