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本文给出拖拉机-拖车系统结构动力特性与随机振动响应分析的实用计算方法。由于采用了模态综合技术,使计算所处理的动力矩阵阶次大为降低,因而可以显著减少计算工作量;并可为车辆的动强度及舒适性研究提供一个统一的数学模型。
This paper gives a practical calculation method of dynamic characteristics and random vibration response analysis of tractor-trailer system. Due to the adoption of modal synthesis technology, the order of the dynamic matrices to be processed is greatly reduced, which can significantly reduce the computational workload; and provide a unified mathematical model for the study of the dynamic strength and comfort of the vehicle.