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One of the cone-cylinder shells that buckles under external pressure

This is Fig. 3 from the paper. "Bifurcation buckling of shells of revolution including large deflections, plasticity and creep" by David Bushnell, International Journal of Solids and Structures, Vol. 10, pp. 1287-1305, 1974.

This slide shows:

(a) The bottom half of a cone-cylinder aluminum pressure vessel tested under external pressure by Galletly at the University of Liverpool and

(b) discretized models processed by the BOSOR5 computer program for elastic-plastic buckling of branched, segmented shells of revolution.

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