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基于ABAQUS的梁腹板开孔的梁柱节点的动力分析.docx

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基于ABAQUS的梁腹板开孔的梁柱节点的动力分析 Title:DynamicAnalysisofBeam-ColumnJointswithBeamWebbingsOpeningsBasedonABAQUS Abstract: Inthispaper,thedynamicanalysisofbeam-columnjointswithbeamwebopeningsisstudiedusingthefiniteelementsoftwareABAQUS.Theinfluenceofbeamwebopeningsonthedynamicbehaviorofthejointsisinvestigated.Thekeyparametersaffectingthedynamicperformanceofthejointsareidentified,andtheireffectsarequantitativelyanalyzed.Theresultsprovidevaluableinsightsforthedesignandoptimizationofbeam-columnjointswithbeamwebopenings. 1.Introduction: Beam-columnjointsplayacriticalroleintheoverallstructuralbehaviorandperformanceofsteelstructures.Thepresenceofopeningsinthebeamwebsisoftenrequiredtoaccommodatevariousservices,suchaspipingandelectricaldistribution.However,theseopeningscansignificantlyaffectthestructuralintegrityanddynamicresponseofthejoints.Therefore,acomprehensiveunderstandingofthedynamicbehaviorofbeam-columnjointswithbeamwebopeningsiscrucialforensuringthesafetyandreliabilityofsteelstructures. 2.LiteratureReview: Previousstudieshaveinvestigatedthestaticbehaviorandultimatestrengthofbeam-columnjointswithbeamwebopenings.However,limitedresearchhasbeenconductedontheirdynamicbehavior.Somestudieshavefocusedontheimpactofbeamwebopeningsonthenaturalfrequenciesandmodeshapesofthejoints.Theeffectofdifferentopeningshapesandsizesonthedynamicresponseofthejointshasalsobeeninvestigated.However,asystematicanalysisofthekeyparametersaffectingthedynamicbehaviorofbeam-columnjointswithbeamwebopeningsisstilllacking. 3.Methodology: Inthisstudy,thedynamicanalysisofbeam-columnjointswithbeamwebopeningsisconductedusingthefiniteelementsoftwareABAQUS.Acomprehensivefiniteelementmodelisdeveloped,consideringthegeometricandmaterialnonlinearities.Thebeam-columnjointissubjectedtodynamicloads,andthedisplacementandstressresponsesareanalyzed.Thekeyparametersaffectingthejoints'dynamicbehaviorareidentifiedandvaried,includingtheopeningshape,size,andposition.Thecorrespondingchangesinthedynamicresponsearequantitativelyanalyzed