The motion equations have been adopted for single disk symmetric viscous elastic rotor bearing system, and nonlinear oil film force of finite journal bearings is calculated.
采用单圆盘对称粘弹性转子轴承系统的运动模型 ,计算了有限长滑动轴承的非线性油膜力 ,利用四阶龙格 库塔法求解其运动方程 ,模拟出轴颈与圆盘的运动状态 (位移和速度 ) 。