摘要
介绍了某口径为4m的空间可展开望远镜的结构形式,建立了其有限元参数化模型。以系统结构总质量最小为目标函数,以部分待定的结构尺寸为设计变量,以可展开望远镜在收拢和展开两种状态下的动力性能要求为约束函数,建立了空间可展开望远镜的动力优化数学模型。利用遗传算法对该模型进行了优化计算,取得了比较满意的结果,为可展开望远镜的结构设计提供了一组较好的理论参考值。
A deployable space telescope structure with an aperture of 4 meters was introduced and its finite element model was parametrically developed.An optimum design model searching for mini- mum mass of the whole structure,with some structure parameters to be decided as variables was stud- ied.The optimum model was subjected to the lowest normal frequency requested both at open and closed state.The result provides a reference for engineering feasible design of the structure.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2006年第S2期241-245,共5页
China Mechanical Engineering
基金
总装部973预研项目(51329010302)
