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Finite element model of externally pressurized torispherical shell with small "flat" spot

from Jan Blachut, Department of Mechanical Engineering, The University of Liverpool

From the paper: J. Blachut and G.D. Galletly, "Influence of local imperfections on the collapse strength of domed end closures", Proc. Instn. Mech. Engrs, Vol. 207, 1993, pp. 197-207

This slide shows the incipient (bifurcation) buckling mode predicted by the ABAQUS finite element model.

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