摘要
为实现空间望远镜的结构轻量化,以中心悬臂式次镜支撑结构为研究对象,采用变密度拓扑优化方法,利用Hyper Works的Opti Struct实现其最优化设计.对优化后的结果进行静力学和动力学验证,结果表明:经拓扑优化的次镜支撑结构设计合理,质量减轻44%;拓扑优化技术在空间望远镜结构设计中有效.
To achieve the lightweight design of space telescope structure, a central cantilevered secondary mirror supporting structure is taken as the research object, and the variable density topology opeimization method is used to implement the optimization design for it by OptiStruct of HyperWorks. The statics and dynamics results of the optimized structure are verified. It is shown that the structure optimized by topology can meet the design requirements and the weight is reduced by 44%, and the topology optimization technique is effective in the structure design of space telescope.
出处
《计算机辅助工程》
2015年第5期42-46,52,共6页
Computer Aided Engineering
基金
国家自然科学基金(11202149)
中国科学院空间主动光电技术重点实验室开放课题
关键词
空间望远镜
轻量化设计
中心悬臂
变密度法
次镜支撑
拓扑优化
space telescope
lightweight design
central cantilever
variable density method
secondary mirror support
topology optimization
