On this foundation, a theoretical model based on system method for calculating coupled axial and torsional vibrationof large ships diesel propulsion shafting is established.
According to coupling principle and excited force ofshafting system, a model of coupled torsional-axial forced vibration can be constructed.
根据刚度耦合原理，并考虑轴系强迫激励进而建立了扭纵耦合强迫振动模型。
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In this paper, a theoretical model based on system matrix method for calculating coupled axial and torsional vibrationof large Marine diesel propulsion shafting is established.