摘要
Thewave-inducedverticalshipmotionsandbendingmomentsofadoublehull-oiltankerinrealisticfloodingconditionsarestudied.Thescenariosinvestigatedarerepresentedbywateringressintothestarboardballasttanksforcollisiondamagecasesandbothstarboardandportsideballasttanksforgroundingsituations.Seakeepingcomputationsareperformedforeightdamagescenariosandfortheintactcondition,eachcorrespondingtodifferentchangesindisplacement,trim,andheel.Foreachofthedamageconditions,transferfunctionsofverticalmotionsandloadsarecalculatedusingapotentiallinear3Dpanelhydrodynamiccodeinthefrequencydomainthatincludeseffectofthemotionofthewaterinfloodedtanks.AMATLABcodeisdevelopedtofacilitateautomatedhydrodynamicsimulationofmanydamagescenarios.Verificationofseakeepingresultsisperformedbycomparingtransferfunctionswithresultsofthepreviousstudy.Wave-inducedverticalresponsesofdamagedshiparethencomparedtothoseofintactshipusingtwospectral-basedmethodsoriginatingfromuncertaintyanalysisofwaveloads,whichareconvenienttoolstoassessconsequencesofdamageonshort-termshipresponses.Generally,observedtrendisthatverticalwave-inducedresponsesofdamagedshipconvergetowardthoseofintactshipwithincreasingwaveperiod.Fairlysmalldifferencesbetweenresponsesofasymmetricallydamagedshipwithrespecttothesymmetricalincomingwavedirectionsarefound.Theresultsofthestudyareanefficientmethodforseakeepingassessmentofdamagedoiltankersandtheframeworkforevaluatingconsequencesofdamagescenarios,headingangles,andseaconditionsonseakeepingresponsesofdamagedships.Theresultscanbeusedtodecideiftheintactshipmodelcanbeusedinsteadofthedamagedonefortheemergencyresponseprocedureorfortheriskassessmentstudieswhenmodelingandcomputationaltimerepresentimportantlimitations.
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）
