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基于向量式有限元法的某开合屋盖结构关键拉杆失效分析(英文).docx

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基于向量式有限元法的某开合屋盖结构关键拉杆失效分析(英文) Title:FailureAnalysisofKeyTensionRodsinanOpenableRoofStructureBasedonVector-basedFiniteElementMethod Abstract: Thekeytensionrodsplayanimportantroleinprovidingstabilityandload-bearingcapacitytoopenableroofstructures.However,thefailureofthesetensionrodscanleadtocatastrophicconsequences,suchascollapseandinjury.Therefore,itisnecessarytoanalyzethefailureofkeytensionrodsinopenableroofstructures.Inthispaper,weproposeavector-basedfiniteelementmethodtoanalyzethefailureofkeytensionrodsinanopenableroofstructure.Theproposedmethodisappliedtoaspecificcasestudyofanopenableroofstructure,andtheresultsarediscussedintermsofthestressdistributionanddisplacementofkeytensionrods. Introduction: Openableroofstructureshavegainedincreasingpopularityinmodernarchitectureduetotheiraestheticandfunctionalbenefits.Thesestructuresprovidenaturalventilationandlighting,whilealsocreatingasenseofopennessandcomfort.However,thestabilityandsafetyofopenableroofstructureslargelydependontheperformanceofkeytensionrods.Theserodsareresponsiblefortransmittingtheexternallyappliedloadstothefoundation,andmaintainingthestructuralintegrityoftheroof.Therefore,thefailureofkeytensionrodscanleadtostructuralcollapseandseriousinjury.Inthispaper,weproposeavector-basedfiniteelementmethodtoanalyzethefailureofkeytensionrodsinanopenableroofstructure. Methodology: Theproposedvector-basedfiniteelementmethodisbasedonadisplacementapproach,wherethegoverningequationsofmotionarederivedfromtheprincipleofminimumpotentialenergy.Thedisplacementvectorisexpressedasalinearcombinationofthebasisfunctions,andthestiffnessmatrixiscalculatedusingtheGalerkinmethod.Thestressesanddisplacementsofkeytensionrodsarethenobtainedbysolvingthesystemofequations. Results: Theproposedmethodisappliedtoaspecificcasestudyofanopenableroofstructure.Thestressdistributionanddisplacementofkeytensionrodsareanalyzedundervariousloadingconditions,includingwind,snow,andearthquakeloads.Theresultsshowthatthemaximumstressoccursneartheconnectionoften