CAJ | 학술논문

航天器结构系统日趋庞大和复杂,为实现对复杂系统的高效分析和计算,同时为解决不同研制单位之间的模型传递和交互中的技术保护问题,文章介绍了一种基于MSC.NASTRAN软件的子结构分析方法（MSC.NASTRAN超单元法）,可用于复杂航天器的系统级动力学分析,并给出航天器结构分析实例。实际应用表明,该方法能够有效屏蔽结构设计参数,显著提高复杂航天器系统分析效率。
항천기결구계통일추방대화복잡,위실현대복잡계통적고효분석화계산,동시위해결불동연제단위지간적모형전체화교호중적기술보호문제,문장개소료일충기우MSC.NASTRAN연건적자결구분석방법（MSC.NASTRAN초단원법）,가용우복잡항천기적계통급동역학분석,병급출항천기결구분석실례。실제응용표명,해방법능구유효병폐결구설계삼수,현저제고복잡항천기계통분석효솔。
With the development of spacecraft technology,the size and complexity of spacecraft structure system increase remarkably.In order to realize high efficience in structual analysis for such complex systems and protect know-how in FE model transfer between different organizations,a substrucure analysis method based on MSC.NASTRAN software is presented with the examples of spacecraft structure anlysis.Enigineering applications indcate that this method plays an important role in shielding design parameters of structures in model transformation and improving analysis efficiency of compliacte spacecraft system.