船体振动响应预报  

Prediction of Hull Vibration Response

作　　者：顾永宁[1] 鲍莹斌[1] 陈伟刚[1] 

机构地区：[1]上海交通大学

出　　处：《船舶工程》1998年第5期8-10,48,共4页Ship Engineering

摘　　要：利用有限元技术对船体总振动、上层建筑整体和各层甲板局部自由振动频率及上层建筑振动响应进行了预报。介绍了用于振动计算的单层甲板模型、尾部上层建筑模型、全船模型和简化全船模型及应用实例。研究了上层建筑和船体之间的耦合影响，并根据具体算例对各种模型化方法的效果进行了评价。By using finite element technique(FET), the free vibration frequency of ship hull and superstructure,as well as the local free vibratiton frequency of decks are predicted. The single-deck model,stern superstructure model,overall ship model and the simplified overall ship model used for vibration calculation and their applications are introduced respectively.The coupling effect between hull and superstructure are investigated and the effectiveness of various modelling method are evaluated on the basis of calculated examples.

关 键 词：船体振动 有限元 船体结构 船舶 振动响应 

分 类 号：U661.44[交通运输工程—船舶及航道工程]