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基于Abaqus的托换结构受力性能分析.docx

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基于Abaqus的托换结构受力性能分析 Abstract TheperformanceofthecantilevertrussstructureunderdifferentloadingconditionsisanalyzedusingAbaqus.Theobjectiveofthisstudyistoinvestigatethestressdistribution,deformation,andsafetyfactorofthetrussstructure.Thefiniteelementmethodisemployedtosimulatethereal-worldbehaviorofthetrussstructureandtopredictitsmechanicalresponse.Theresultsshowthatthetrussstructureexhibitsgoodmechanicalperformanceunderstaticanddynamicloadingconditions,withamaximumstressof80MPaandasafetyfactorof1.5.Thefindingsofthisstudycanprovidevaluableinsightsintothedesignofcantilevertrussstructures. Introduction Trussstructuresareoneofthemostcommonlyusedstructuralsystemsincivilengineeringduetotheirhighstrengthtoweightratio,stability,andeaseofconstruction.Acantilevertrussstructureisatypeoftrussstructurethatiscommonlyusedinbridges,buildings,andotherinfrastructureprojects.Thecantilevertrussstructureconsistsofahorizontalmembersupportedatoneendbyaverticalmember,whichinturnissupportedbytwodiagonalmembers.Thehorizontalmember,orthecantilever,isusedtospanadistancewithoutanysupportfromtheotherend. Theperformanceofthecantilevertrussstructureiscriticalforensuringthesafetyandstabilityoftheinfrastructureproject.Therefore,itisnecessarytoconductathoroughanalysisofthecantilevertrussstructureundervariousloadingconditions.Thefiniteelementmethodisawidelyusednumericaltechniqueforanalyzingthemechanicalbehaviorofstructures,andAbaqusisoneofthemostpopularfiniteelementsoftwarepackagesavailable. Inthisstudy,theperformanceofthecantilevertrussstructureunderdifferentloadingconditionsisanalyzedusingAbaqus.Thestressdistribution,deformation,andsafetyfactorofthetrussstructurearedetermined.Thefindingsofthisstudycanprovidevaluableinsightsintothedesignofcantilevertrussstructures. Methodology GeometryandMaterialProperties Thecantilevertrussstructureanalyzedinthisstudyconsistsofahorizontalmemberwithalengthof10m,averticalmemberwithaheightof5m,andtwodiagonalmemberswithalengthof7meach.Thecross-sectionofallmembersisasquare