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.
2019-01-01
Abstract
Inthiswork,thepost-bucklinganalysisofthin-walledbeamsbyusingtheGeneralizedBeamTheory(GBT)ispresented.Tothispurpose,ageometricallynonlinearGBTfiniteelementisdevelopedbyex-ploitingthefeaturesofmixed-stressGBTfiniteelementformulationintheframeworkoftheImplicitCorotationalMethod(ICM).TheapplicationoftheICMtoGBTisbrieflydiscussedandthedetailsneces-sarytosuccessfullytransformthelinearGBTfiniteelementinitsnonlinearcounterpartareillustrated.Thenumericalresultsshowhowtheproposedfiniteelementcandealwithglobalanddistortionalgeo-metricallynonlinearphenomena,ingoodaccordancewithrespectto3Dshellmodels.File in questo prodotto:
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