For above reasons, a rotordynamic analysis of a whole engine model based on three-dimensional old element was performed using the program which could take gyroscopic moment into account on NASTRAN.

• 因此，利用能够考虑陀螺力矩影响，基于NASTRAN中实体单元编制的转子动力特性计算程序，对发动机整机进行了动力特性计算。