In view of the different raft structure, the finite element model of raft has been established, and the natural vibration characteristic and isolation effect are calculated using MSC/PATRAN.

• 针对不同的筏体结构，在MSC/PATRAN中建立浮筏的有限元模型，并且分析其固有振动特性、隔振效果，为隔振设计提供参考。