Inthiswork,thepost-bucklinganalysisofthin-walledbeamsbyusingtheGeneralizedBeamTheory(GBT)ispresented.Tothispurpose,ageometricallynonlinearGBTfiniteelementisdevelopedbyex-ploitingthefeaturesofmixed-stressGBTfiniteelementformulationintheframeworkoftheImplicitCorotationalMethod(ICM).TheapplicationoftheICMtoGBTisbrieflydiscussedandthedetailsneces-sarytosuccessfullytransformthelinearGBTfiniteelementinitsnonlinearcounterpartareillustrated.Thenumericalresultsshowhowtheproposedfiniteelementcandealwithglobalanddistortionalgeo-metricallynonlinearphenomena,ingoodaccordancewithrespectto3Dshellmodels.

GBT post-buckling analysis based on the Implicit Corotational Method

Ruggerini A. W.;Madeo A.;de Miranda S.
2019

Abstract

Inthiswork,thepost-bucklinganalysisofthin-walledbeamsbyusingtheGeneralizedBeamTheory(GBT)ispresented.Tothispurpose,ageometricallynonlinearGBTfiniteelementisdevelopedbyex-ploitingthefeaturesofmixed-stressGBTfiniteelementformulationintheframeworkoftheImplicitCorotationalMethod(ICM).TheapplicationoftheICMtoGBTisbrieflydiscussedandthedetailsneces-sarytosuccessfullytransformthelinearGBTfiniteelementinitsnonlinearcounterpartareillustrated.Thenumericalresultsshowhowtheproposedfiniteelementcandealwithglobalanddistortionalgeo-metricallynonlinearphenomena,ingoodaccordancewithrespectto3Dshellmodels.
GeneralizedBeamTheory(GBT)GeometricalnonlinearityCorotationalkinematicsPath-followingCross-sectiondeformation
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/293387
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