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Issue:
Structure scheme selection of baffle for space optical remote sensor
Author(s):
CHEN Li-heng
,
WU Qing-wen
,
GE Ren-wei
,
YAN Chang-xiang
,
LI Ze-xue
,
ZI Ke-ming
Pages:
305
-
307
Year:
2008
Issue:
2
Journal:
OPTICAL TECHNIQUE
Keyword:
空间光学
;
遮光罩
;
模态分析
;
热分析
;
结构设计
;
Abstract:
利用有限元工程分析技术对空间光学遥感器的遮光罩结构方案进行了选择.应用MSC.Patran/Nastran软件对遮光罩进行了模态分析,应用TMG软件对遮光罩进行了热分析.根据模态分析和热分析的结果对遮光罩材料的铺层方式、遮光罩的结构形式和遮光罩的长度进行了优选.结果表明,[-45°/90°/45°/0°]s交叉对称铺层方式、一条轴向筋和1mm厚度、200mm长度的四棱台式遮光罩的结构方案是合理可行的.其结果为遮光罩的结构设计提供了必要的指导.
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