某型测量船的船体总振动固有频率预报方法分析  

Prediction methods for global vibration natural frequency of a survey ship

作　　者：王晓宇 伍友军 

机构地区：[1]七○八研究所,上海200011

出　　处：《船舶》2008年第4期18-26,共9页Ship & Boat

摘　　要：以某型测量船为例,采用已有的多种方法对该船总振动固有频率进行预报,并将预报结果和实测值进行比较,分析说明了各种方法的特点。重点分析了影响迁移矩阵法计算精度的若干因素,提出了具体应用中需要关注的问题,对其他类型的舰船具有很好的借鉴作用。Global vibration prediction of a survey ship is carried out by several available methods, and features of these methods are discussed by comparing the different prediction results with natural frequency data from trial voyage. Factors affecting the accuracy of results of transfering matrix are summarized, while some advices on calculation are also given.

关 键 词：总振动 固有频率 附连水质量 惯性矩 剪切面积 重量分布 

分 类 号：U661.44[交通运输工程—船舶及航道工程]