东北大学学报(自然科学版) ›› 2013, Vol. 34 ›› Issue (8): 1166-1170.DOI: -

• 机械工程 • 上一篇    下一篇

形状记忆合金管接头结构优化与有限元分析

马彦,李威   

  1. (北京科技大学机械工程学院,北京100083)
  • 收稿日期:2013-03-05 修回日期:2013-03-05 出版日期:2013-08-15 发布日期:2013-03-22
  • 通讯作者: 马彦
  • 作者简介:马彦(1983-),男,山西忻州人,北京科技大学博士研究生;李威(1967-),男,辽宁鞍山人,北京科技大学教授,博士生导师.
  • 基金资助:
    国家自然科学基金资助项目(51275035).

Structure Optimization and Finite Element Analysis of Shape Memory Alloy Coupling

MA Yan, LI Wei   

  1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Received:2013-03-05 Revised:2013-03-05 Online:2013-08-15 Published:2013-03-22
  • Contact: LI Wei
  • About author:-
  • Supported by:
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摘要: 为了解决油管接口处的慢性泄漏问题,研究了一种舰艇核反应堆管路用形状记忆合金管接头.建立了NiTiNb形状记忆合金管接头结构优化模型,并采用遗传算法,对NiTiNb形状记忆合金管接头进行了结构优化设计.采用有限元法对优化后的NiTiNb形状记忆合金管接头进行了热结构耦合仿真分析,仿真试验结果与理论分析结果取得了较好的一致性,从而证明本文提出的方法是可行、有效的,具有很大的通用性和工程实际意义.

关键词: 形状记忆合金, 管接头, 设计优化, 遗传算法, 仿真分析

Abstract: In order to solve the chronic leakage problem at the tubing interface, a shape memory alloy (SMA) used for naval nuclear reactor coupling was studied. A structural optimal model for the NiTiNb shape memory alloy coupling was established. Using the genetic algorithm, the structural design of the NiTiNb pipe coupling was optimized. The NiTiNb shape memory alloy coupling was then analyzed through the thermalstructural coupled simulation using the finite element method. The results suggest that the computational results agree well with the theoretical data. Therefore, the method proposed is feasible and effective, and has great versatility and practical significance.

Key words: shape memory alloy, coupling, design optimization, genetic algorithm, simulation analysis

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