Research Article
Nonlinear Vibration Mechanism of the Marine Rotating Machinery with Airbag Isolation Device under Heaving Motion
Table 1
The expression of nondimensional parameter.
| Parameter description | Expression |
| Nondimensional frequency ratio η | | Nondimensional time τ | | Nondimensional mass ratio h | | Nondimensional eccentricity α | | Nondimensional displacement of rotor X | | Nondimensional displacement of ship X0 | | Nondimensional speed Ω0 | | Nondimensional spring stiffness | | Nondimensional coefficient | | Nondimensional damping | | Nondimensional heaving amplitude | |
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