The dynamics model of cylindrical roller bearing (CRB) in aeroengine main shaft was promoted and solved by Hilber–Hughes–Taylor (HHT) integer algorithm with variable step in combination with symmetric multiprocessing (SMP) parallel solving technology, and a finite element model of roller to cage contact was built. The dynamic characteristics of CRB at the stage of start-up and stop were analyzed firstly, and then, the collision forces between rollers and cage were used as the boundary conditions of the finite element model to discuss the influences of working conditions, structural parameters, and materials on the stress distribution and safety characteristic of cage at the stage of start-up and stop. The findings will provide the theoretical basis for the designing of CRB in aeroengine main shaft.

中文翻译：

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圆柱滚子轴承起停阶段保持架的安全特性评估

通过变步长希尔伯-休斯-泰勒（HHT）整数算法，结合对称多处理（SMP）并行求解技术，建立了航空发动机主轴圆柱滚子轴承动力学模型。建立了滚子到保持架的接触件。首先分析了CRB在启动和停止阶段的动力学特性，然后将滚子和保持架之间的碰撞力作为有限元模型的边界条件，讨论了工作条件，结构参数，和材料对笼子启动和停止阶段的应力分布和安全特性的影响。这些发现将为航空发动机主轴CRB的设计提供理论依据。