SHIPENGINEERING船舶工程Vol.45No.12023总第45卷,2023年第1期—151—不同阻尼板形式对圆筒型FPSO平台运动性能的影响李晨1,2,李欣1,2,田新亮1,2,郭孝先1,2,张显涛1,2,卢文月1,2(1.上海交通大学船舶海洋与建筑工程学院,上海200240;2.上海交通大学三亚崖州湾深海科技研究院,海南三亚572000)摘要:针对圆筒型浮式生产储卸油装置(FPSO)运动响应进行优化,提出带有2种新型垂荡抑制结构的圆筒型FPSO,即上扬边锋型圆筒FPSO和锯齿型圆筒FPSO。通过频域分析获得2种新型结构的幅频响应函数,初步对比判断2种新型结构运动性能的优劣,在此基础上,设计新型圆筒FPSO系泊系统并进行时域耦合分析,将计算结果与试验数据进行对比验证,在证实数值模拟准确性的同时分析新型结构的阻尼特性,得到较优的垂荡抑制结构形式。结果显示,所述的锯齿型垂荡抑制结构可有效减小纵荡和纵摇的运动幅值及幅值发生概率,降低纵荡和纵摇运动能量产生,改善整体运动性能。关键词:圆筒型FPSO;阻尼板形式;运动性能;频域计算;时域耦合分析中图分类号:U663.7文献标志码:A【DOI】10.13788/j.cnki.cbgc.2023.01.23MotionCharacteristicsofCylindricalFPSOPlatformAffectedbyDifferentDampingPlateFormsLIChen1,2,LIXin1,2,TIANXinliang1,2,GUOXiaoxian1,2,ZHANGXiantao1,2,LUWenyue1,2(1.SchoolofNavalArchitecture,OceanandCivilEngineering,ShanghaiJiaoTongUniversity,Shanghai200240,China;2.SJTUYazhouBayInstituteofDeepseaSCI-TECH,Sanya572000,Hainan,China)Abstract:Inordertooptimizethemotionresponseofcylindricalfloatingproductionstorageandoffloading(FPSO),2newtypesofcylindricalFPSOwithheavesuppressionstructuresareproposedwhicharewrappededgecylindricalFPSOandsawtoothcylindricalFPSO.Throughfrequencydomainanalysis,theRAOsofthe2newstructuresareobtainedinordertopreliminarilyobtaintheadvantagesanddisadvantagesofthe2newstructures.Onthisbasis,forthesakeofverifyingtheaccuracyofnumericalsimulationandanalyzingthedampingcharacteristicsofthenewstructure,anewcylinderFPSOmooringsystemisdesignedfortime-domaincouplinganalysistocomparethecalculationresultswiththeexperimentaldata.Thebetterheavesuppressionstructureformisobtained.Theresultsshowthat:duringsurgeandpitchmotion,thesawtoothstructurecaneffectiv...