Lightweight structure design for supporting plate of primary mirror | |
Wang, Xiao1,2; Wang, Wei1; Liu, Bei1,2; Qu, Yan Jun1,2; Li, Xu Peng1,2 | |
2017 | |
会议名称 | Applied Optics and Photonics China: Space Optics and Earth Imaging and Space Navigation, AOPC 2017 |
会议录名称 | AOPC 2017: Space Optics and Earth Imaging and Space Navigation |
卷号 | 10463 |
会议日期 | 2017-06-04 |
会议地点 | Beijing, China |
出版者 | SPIE |
产权排序 | 1 |
摘要 | A topological optimization design for the lightweight technology of supporting plate of the primary mirror is presented in this paper. The supporting plate of the primary mirror is topologically optimized under the condition of determined shape, loads and environment. And the optimal structure is obtained. The diameter of the primary mirror in this paper is 450mm, and the material is SiC1. It is better to select SiC/Al as the supporting material. Six points of axial relative displacement can be used as constraints in optimization2. Establishing the supporting plate model and setting up the model parameters. After analyzing the force of the main mirror on the supporting plate, the model is applied with force and constraints. Modal analysis and static analysis of supporting plates are calculated. The continuum structure topological optimization mathematical model is created with the variable-density method. The maximum deformation of the surface of supporting plate under the gravity of the mirror and the first model frequency are assigned to response variable, and the entire volume of supporting structure is converted to object function. The structures before and after optimization are analyzed using the finite element method. Results show that the optimized fundamental frequency increases 29.85Hz and has a less displacement compared with the traditional structure. © 2017 SPIE. |
作者部门 | 空间光学应用研究室 |
DOI | 10.1117/12.2285730 |
收录类别 | EI ; ISTP |
ISBN号 | 9781510614079 |
语种 | 英语 |
ISSN号 | 0277786X |
引用统计 | |
文献类型 | 会议论文 |
条目标识符 | http://ir.opt.ac.cn/handle/181661/29871 |
专题 | 空间光学技术研究室 |
作者单位 | 1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Science, No.17, Xinxi Road, Xi'an,710119, China 2.University of Chinese, Academy of Science, Jingjia Road, Beijing, 100049, China |
推荐引用方式 GB/T 7714 | Wang, Xiao,Wang, Wei,Liu, Bei,et al. Lightweight structure design for supporting plate of primary mirror[C]:SPIE,2017. |
条目包含的文件 | ||||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Lightweight structur(1290KB) | 会议论文 | 限制开放 | CC BY-NC-SA | 请求全文 |
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