论文同时建立了齿轮传动通用动力学模型，分析了齿轮传动系统中齿轮和轴承等主要零部件的振动和噪声机理。
The paper also sets up the general dynamic model for gear transmission, analyses the vibration and noise principle of the main parts in the gear transmission system like gear and bearing.
根据相关力学定律和公式，合理地确定了各种参数，建立了齿轮啮合转子系统DEM动力学模型。
According to relevant mechanics laws, formulas and various parameters of the rotor system identified reasonably, the DEM dynamics models of gear meshing rotor system were established.
同时考虑非线性齿轮啮合力和非线性油膜力的影响，建立齿轮-转子-滑动轴承系统的动力学模型。
The nonlinear gear mesh force and nonlinear oil film force were considered synchronously, the dynamic model of geared rotor-oil journal bearing system was proposed.
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