Title of article
DamageidentificationincontinuousbeamsandframestructuresusingtheResidualErrorMethodintheMovementEquationOriginalResearchArticle
Author/Authors
AndreaBrasiliano، نويسنده , , GracielaNDoz، نويسنده , , JoséLuisVdeBrito، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
17
From page
1
To page
17
Abstract
Ingeneral,thestructuresaresubmittedduringtheirusefullifetodeteriorationprocessesthat,dependingontheintensity,mayaffecttheirperformanceandloadcapacityandconsequentlytheirsafety.Inthiscase,itisnecessarytoaccomplishaninspectioninordertoevaluatetheconditionsofthestructureandtolocateandquantifytheintensityofthedamage.Inthisstudy,amethodtoidentifyandtoquantifydamageinstructures,calledResidualErrorMethodintheMovementEquation[Localizaçãoequantificaçãodedanosemestruturaspormeiodesuascaracterı́sticasdinâmicas.UniversidadedeBrası́lia,Brası́lia,DF,2000]isevaluated,byanumericalanalysis,toverifyitsefficiencywhenappliedtocontinuousbeamsandframestructures.Thismethodisbasedonthealteration,producedbydamage,inthedynamicpropertiesofthestructures.Thelocationofthedamageisdoneobservingtheerrorinthemovementequationoftheintactstructures.Thestructuresarediscretizedinfiniteelementsandthedamageisintroducedbyastiffnessandareareductionoftheelements’cross-sections.Othertwomethodsofdamagedetectionusedinthispaperare:theDamageDetectionfromChangesinCurvatureModeShapes[J.SoundVibration145(1991)321]andtheindexesMAC[Proc.1stInt.ModalAnal.Conf.1(1982)110]andCOMAC[Proc.6thInt.ModalAnal.Conf.1(1988)690].Observingtheobtainedresults,theResidualErrorMethodintheMovementEquationisefficientinthedamagelocationandquantificationofthestudiedstructures.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894638
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