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TrussSpar平台在不同系泊线组合下的动态响应分析（英文）.docx

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TrussSpar平台在不同系泊线组合下的动态响应分析（英文） DynamicResponseAnalysisofTrussSparPlatformunderDifferentMooringLineCombinations Abstract: TrussSparplatformstructuresprovideaflexibleandcost-effectivesolutionforoffshoreoilandgasproduction.ThedynamicsofTrussSparplatformscanbecomplexduetotheinteractionbetweentheoceanenvironmentandtheplatform'sstructuralcomponents.Inthisstudy,weinvestigatetheeffectsofdifferentmooringlinecombinationsonthedynamicresponseofTrussSparplatforms.FiniteElementAnalysis(FEA)hasbeenemployedtoperformthedynamicanalysisusingANSYSsoftware.TheresultsofthisstudyshowtheimportanceofchoosinganappropriatemooringlinecombinationtominimizethedynamicresponseofTrussSparplatforms. Keywords:TrussSpar,mooringline,dynamicresponse,FiniteElementAnalysis,ANSYSsoftware Introduction: Offshoreplatformshavebeenacrucialwayofoilandgasproductionsincethemiddleofthe20thcentury.Inrecentyears,TrussSparplatformshavebecomeincreasinglypopularduetotheirlowweight,highstrength,andrigidstructuraldesign.TheTrussSparplatformconsistsofacylindricaltrussstructure,withacylindricalhullatthebottom,andaplatformdeckatthetop.Mooringlinesconnectingtheplatformtotheseabedareessentialtokeeptheplatforminplace,andtheyplayasignificantroleinthedynamicresponsecharacteristics. Theoceanenvironmentposesseveraldynamicriskstooffshoreplatforms,suchaswind,waves,currents,andoceanswells.Theinteractionbetweentheseforcesandtheplatform'sstructuralcomponentsinducesdynamicresponsessuchasheave,pitch,androll.TheinteractionbetweenthemooringlinesandtheplatformstructurealsoplaysavitalroleinthedynamicresponseoftheTrussSparplatform.ThedynamicresponseoftheTrussSparplatformunderdifferentmooringlinecombinationsneedstobecarefullyanalyzedtoensurethestructuralintegrityandsafetyduringoffshoreoperations. DynamicResponseAnalysisMethodology: FiniteElementAnalysis(FEA)hasbeenusedheretoperformthedynamicresponseanalysisoftheTrussSparplatformunderdifferentmooringlinecombinations.ANSYSsoftwarewasusedfortheFEA,whichiscapableofmodelingthecomplexstructuralanden