航空电子设备加速可靠性试验有限元分析应用进展

通过综述有限元分析在加速可靠性试验中的最新应用成果,分析了航空电子设备加速可靠性试验技术的基本现状和存在的挑战.主要从航空电子设备可靠性试验现状、有限元理论基本概念和应用方法以及有限元在电子设备可靠性试验的工程运用现状等方面进行了综述分析.首先对有限元理论的基本概念、原理和主要应用方法进行了阐述.其次,结合有限元分析在航空电子设备加速可靠性试验的应用研究现状,总结了其优缺点.研究发现,有限元分析能较好地解决航空电子设备加速可靠性试验中试验成本高、操作复杂的问题,可以较好地完成对加速可靠性试验的仿真模拟.最后对有限元分析应用于航空电子设备加速可靠性试验的研究方向进行了展望,提出了将有限元分析与传统可靠性理论相结合的几点研究思路,为未来航空电子设备加速可靠性试验方法提供整体发展思路与建议.

Progress in Finite Element Analysis of Accelerated Reliability Test for Avionics

Through reviewing the latest applications of finite element analysis in accelerated reliability test results, this paper mainly analyzes the basic situation of avionics accelerated reliability test technology and the existing challenges, from the aspects of aviation electronic equipment reliability test present situation, the basic concept and application of finite element theory and finite element method in engineering application status quo of electronic equipment reliability test, etc, First of all, the paper expounds the basic concept of finite element theory, the principles and the main application methods, Secondly, combining with the finite element analysis in avionics accelerated reliability test application research status quo, the paper sums up the advantages and disadvantages, the study found that the finite element analysis can well solve the problems of high cost, complex operation in the avionics accelerated reliability test, and can better help simulation of accelerated reliability test; Finally, the research direction of the application of finite element analysis in the accelerated reliability test of avionics is prospected, and several research ideas of combining finite element analysis with traditional reliability theory are put forward, and it provides the overall development ideas and Suggestions for the accelerated reliability test method of avionics in the future.