微小卫星模块化结构的动力特性仿真分析(英文)

MODAL ANALYSIS FOR THE SMALL STATELLITIC MODELING STRUCTURE ON DYNAMICAL CHARACTERISTIC

基于微小卫星模块化结构的特点 ,利用有限元软件 ANSYS的梁和壳单元组合 ,建立应用于动态特性分析的有限元模型 ,通过 1 0层相似结构的模块模态仿真分析 ,了解其结构动力特性 ,确定结构固有频率及振动的薄弱部位 ,为微小卫星结构优化设计。

To found on the small satellite module, the FEM was created on dynamical analysis using the finite element software, ANSYS. Through modal analysis of ten similar structural models, it is known how the ten structural vibration characteristic is and where the unsubstantial parts of the structure is. The results provide data for optimizing design of the small satellite structure and avoiding occurring synchronous vibration.