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Vibration characteristic study of large vessel’s shaft system taking into account the ship hull deformation excitations
Author(s): 
Pages: 1368-1376
Year: Issue:  11
Journal: Journal of Ship Mechanics

Keyword:  ship hull deformationshaftuncertaintyvariable parametervibration characteristics;
Abstract: As the effect on the interaction between the large vessel’s hull deformation and propulsion sys-tem becomes a research hotspot, it is necessary to research the vibration characteristics of the shaft excited by the ship hull deformation to guarantee the reliable operation in the sea. Based on the dynamic equations, this paper aims to establish the dynamic model of the propulsion shaft taking into account the ship hull deformation excitations. The analytical results of the model are compared with the numerical results to con-firm that the model is reliable. Based on one typical large container vessel, the shaft vibration characteris-tics are studied under ship hull deformation excitations with different directions and parameters respectively. Groundwork is made for further research in shaft vibration problem considering ship hull deformation.
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