摘要
针对空间可展的金属带状簧片弯曲折叠时的弯矩和应变能响应,引进主次因素度分析、Sobol敏感性理论,对簧片的力学性能受自身几何参数影响进行了敏感性分析,并采用Isight软件的数值方法进行了结果验证.综合比较了几何参数对力学性能指标的影响程度,总结了主次因素度分析、Sobol敏感性理论和数值计算3种方法的优缺点.研究结果为指导实际簧片结构设计和参数优化设计提供了一定的参考和依据.
Aiming at the moment and strain energy responses of deployable tape spring in the folding process,sensitivity analysis of mechanical attribute of the tape spring was carried out utilizing primary and secondary sequence method and Sobol sensitivity theory,and the results were verified by software Isight.Effects from geometric parameters on mechanical attribute were comprehensively compared,meanwhile,the sensitivities of mechanical attributes to geometric parameters were discussed and the merit and shortcoming of the methodologies were compared.This research provides the basis and reference for structural design and parametric optimization of tape spring.
作者
叶红玲
张洋
邸鹏
YE Hongling;ZHANG Yang;DI Peng(College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,Beijing 100124,China)
出处
《北京工业大学学报》
CAS
CSCD
北大核心
2018年第9期1165-1173,共9页
Journal of Beijing University of Technology
基金
国家自然科学基金资助项目(11072009)
北京市教育委员会科技计划面上项目(SQKM201610005001)
北京工业大学基础研究基金资助项目(001000514313003
001000543117017)
关键词
带状簧片
力学性能
主次因素分析
Sobol理论
敏感性分析
tape spring
mechanical attribute
primary and secondary sequence analysis
Sobol theory
sensitivity analysis
