Based on an algorithm for solving the time - dependent coefficients nonlinear differential equations numerically , computer software is developed which has an easy - to - use interface . the dynamic response to elastic deformation and stress in key parts and forces acting on the bearings under various parameters and working conditions can be calculated 在研究求解该时变系数非线性微分方程组数值解法的基础上,开发了具有良好人机界面的仿真软件,可以计算出多种参数和工况条件下关键点的弹性位移、应力和运动副反力的变化规律。