空间摆镜轻量化的有限元研究  

Research on Lightweight of Space Swaying Mirror by the Means of FEM

作　　者：刘学业[1] 周新贵[1] 

机构地区：[1]国防科技大学航天与材料工程学院陶瓷纤维国防科技重点实验室,湖南长沙410073

出　　处：《新技术新工艺》2006年第11期58-59,共2页New Technology & New Process

基　　金：国防预研重点资助项目(项目编号:41312011002)

摘　　要：选择SiC基复合材料作为空间摆镜镜体材料,对摆镜的多种轻量化方案,包括不同的筋肋宽度、镜面厚度和斜切角度分别建立了有限元模型,并对其在自重情况下的刚度进行了分析计算,得到了位移场分布和变化;最终确定了满足光学和力学加工工艺前提下的质量最轻的最优化方案。Sic matrix composites are selected as the material of space swaying mirror, in this paper , models of finite element method based on several lightweight projects are built up ,and a computational analysis of stiffness under the self-weight load condition is carried on so as to obtain the distribution and variation of the deformation field ,finally an optimum synthesis project is defined on the premise of lightest structure weight which satisfies the requests of optical mechanical performances and processing technology

关 键 词：摆镜 轻量化 有限元 

分 类 号：TQ171.734[化学工程—玻璃工业]