asranetBuckling of stiffened cylindersRingStringerstiffenedandstiffened,Ring-StringerR1(orthogonally) stiffened cylinders.Cylinder fabrication-Butt weldingStiffeners -Flat bar,Angle bar,T-bar etcThe strengthof thestructureBasicgeometrical&materialstructuraldesignparameters6
Buckling of stiffened cylinders Ring stiffened, Stringer stiffened and Ring-Stringer (orthogonally) stiffened cylinders. Cylinder fabrication-Butt welding. Stiffeners - Flat bar, Angle bar, T-bar etc. The strength of the structure Basic geometrical & material structural design parameters. 6
aSRanCE41.OrthogonallyStiffened cylinder(lnternallystiffened)2. Panels3. Stringer or longitudinal stiffener4. Ring stiffener7
1. Orthogonally Stiffened cylinder (Internally stiffened) 2. Panels 3. Stringer or longitudinal stiffener 4. Ring stiffener 7
SRAnGtBuckling of stiffened cylindersGeometrical imperfectionsResidualstressesLoading conditionsSupport conditionsType and direction of stiffenersBuckling failure of Stiffened cylindersSnap-through bucklingClassical type of bifurcation buckling8
Buckling of stiffened cylinders Geometrical imperfections Residual stresses Loading conditions Support conditions Type and direction of stiffeners. Buckling failure of Stiffened cylinders Snap-through buckling. Classical type of bifurcation buckling 8
asranet_Local shellbucklingGeneralRinginstabilitystiffenedLocal stiffenerbucklingLocal shellbuckling0BayStringerstiffenedinstabilityLocal stiffenerbucklingLocal shellbucklingRing andLocalstiffenerstringerbucklingstiffenedBayinstabilityGeneralinstability9
9
asranetLocalPanelBucklingbetweenstiffenersLocal BucklingencompassingseveralstiffenersBuckling ofindividualstiffeners10
Local Panel Buckling between stiffeners 10 Local Buckling encompassing several stiffeners Buckling of individual stiffeners