High speed vessel is characterized by high speed, low rigidity and high frequency. Thus vibration becomes a very prominent problem during the process of designing. This essay calculates and analyses the inherent frequency andvibra-tion response for the vessel's sensitive spots based on finite element and modal analysis method and provides a calculation method suitable for high speed vessel vibration intensity, which consequently poses guiding significance to high speedves-sel design and construction.%高速船航速高、刚度小、激振力大且频率高,在设计过程中振动是一个非常突出的问题.本文采用有限元模态分析方法对高速船振动敏感位置进行固有频率与振动响应的计算,提出适用于高速船振动强度的计算方法,对高速船的设计与建造具有指导意义.
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