构架式动力机器基础──轴系耦合振动计算

The Space Frame Dynamic Foundation-Bearing System Coupling Vibration Calculation

本文采用有限元方法计算大型构架式动力机器基础──轴系耦合振动。提出了用弹簧-阻尼单元（SP-D）模拟油膜轴承的方法。利用本文结果，可方便地考虑轴系-基础的耦合振动，更加全面地反映机器-基础的动力特性。

In the paper,the space frame dynamic foundation-bearing system coupling vibra-tion is calculated by means of finite element. Themethod of oil film bearings imiated withspring-damper element is putforward. In this way,foundation-bearing system coupling vi-bration isconsidered conveniently, and also vibration characteristic of machine-founation isreflected comprehensively