基于Rankine源法的小水线面双体科考船耐波性预报  

Prediction of SWATH research ship seakeeping performance based on the Rankine source method

作　　者：吴介[1] 谷家扬[1] 管义锋[1] 耿培腾 

机构地区：[1]江苏科技大学船舶与海洋工程学院,江苏镇江212003

出　　处：《江苏科技大学学报（自然科学版）》2015年第2期103-107,共5页Journal of Jiangsu University of Science and Technology:Natural Science Edition

基　　金：国家自然科学基金资助项目(51309123);江苏省高校自然科学研究基金资助项目(13KJB570002);江苏省高校"青蓝工程"资助项目;海洋工程国家重点实验室开放基金资助项目(1407);江苏高校优势学科建设工程基金资助项目(PAPD)

摘　　要：采用基于三维时域Rankine源方法的水动力分析软件Wasim,对某小水线面双体科考船在不同航速、不同海况与不同浪向下的耐波性进行了计算与分析,重点对不同工况下小水线面双体船横摇、纵摇和垂荡性能进行了研究.研究表明:无航速时,横摇有义单幅值极大值出现在90°浪向,纵摇极大值出现在0°与180°浪向;较高航速时,横摇响应最大单幅值出现在60°与90°浪向,纵摇在30°,150°和180°浪向时明显较大;波浪对连接桥的砰击会显著影响SWATH船的运动响应,使垂荡运动幅值显著增大;随航速的提高,顺浪航行下纵摇运动幅值逐渐减小.Hydrodynamic analysis software Wasim based on Rankine source method is applied to research on the seakeeping performance of a SWATH research ship for different speeds , sea conditions and wave directions .The roll, pitch and heave response characteristics of the SWATH research ship are studied in this paper .It is demon-strated that when the ship is at zero speed , maximum significant single amplitude of roll appears in 90°wave di-rection and minimum significant single amplitude of pitch appears in 0° 180°wave directions.When the SWATH ship is at high speed , maximum roll motion responses appears in 60 °90 °wave directions .Pitch mo-tion responses is larger in 30 °, 150 °and 180 °wave directions .Motion responses of SWATH could be significant-ly affected by slamming load on cross-structure and it makes heave response become larger .As the speed is in-creased , significant single amplitude of pitch is reduced gradually in 0 °wave direction .

关 键 词：小水线面双体船 耐波性 Wasim 运动响应 

分 类 号：U357[交通运输工程]