This paper deals with the free torsional vibration characteristics of non-linear elastic shaft with multi-degree of freedom.

就一个三质量的具有非线性弹性轴系统的自由扭转振动特性进行了探讨。

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Considering the variable inertia of the reciprocating parts, free torsional vibration characteristics of crankshaft are studied.

研究往复运动件变惯量下的曲轴系自由扭振特性。

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In the previous research on torsional. vibration of diesel engine shafting system, an equivalent system must be defined before calculating free vibration and forced vibration.

对柴油机轴系扭振的研究，以往是先建立扭振当量系统，然后进行自由振动与强制振动计算。

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