本文给出了一种汽轮发电机组轴系扭转振动模态对数衰减率的计算方法。
This paper presents a method for calculating the modal logarithmic decay ratio of the shaft set torsional vibration in a turbogenerator unit.
本文给出了一种改进的动态子结构法，并用该方法分析内燃机复杂轴系扭转振动问题。
In this paper, an improved dynamic substructures method is described. The problem of torsional vibration of diesel complex shafting is analysed with this new method.
论文首次运用精细时程积分法(PIM)对柴油机裂纹轴系扭转振动进行时域数值模拟，并对裂纹所导致时变刚度的动态性质作了分析。
The precision time step integration method (PIM) is used for the torsion vibration numerical simulation of diesel engine cracked shafting first, and the dynamic stiffness caused by crack is analyzed.
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