With engineering structures becoming more and more complicated, it is essential how to use and improve the optimization capabilities of large scale finite element software, such as MSC/NASTRAN.

• 摘要随著现有工程结构的日益大型化、复杂化，如何充分利用和完善现有的大型通用有限元软体（如MSC/NASTRAN）的优化设计功能显得尤为重要。