摘要
Thehydrodynamicanalysisofmulti-floatingbodiesisimportantandwidelyusedinmarineengineering.Inthisstudy,wesystematicallysimulatedthewavediffractionproblemofafixedverticalfour-cylinderstructureinregularwavesinthetimedomaininaviscousnumericalwavetank.Thehydrodynamicinteractionofwaveswithabottom-mountedstructureconsistingoffourverticalcylindersarrangedatthecornersofasquareshowsacomplicatedinterferencephenomenon.Inthispaper,weillustrateandanalyzetherun-uparoundthestructureandthecorrespondingwaveforces.Toinvestigatetheviscouseffectonthenear-trappingphenomenon,wepayparticularattentiontoinvestigatingthewavesnear-trappedinsidethefour-cylinderstructure,andmakeacomparativestudyoftheviscous-andinviscid-flowsolutionswiththeexperimentalmeasurements.Theresultsshowthatthemaximumwaveelevationoccursontheinnersideoftheleesidecylinder,andthatthewaveelevationsontheoutersideofthecylindersarelowerthanthoseontheinnerside.Wecanconcludethatviscosityhasanobviousdampingeffectonwaveelevationsinsidethestructure.Thecylindersshowatendencytodriftapartfromeachotherwhenthenear-trappingphenomenonoccurs.
出版日期
2018年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
