On the Transition from Axisymmetric to Multilobed Creep Buckling
STANFORD UNIV CA DEPT OF AERONAUTICS AND ASTRONAUTICS
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Initial axisymmetric deviations from the exact circular cylindrical shape increase with time in consequence of creep when a uniformly distributed axial compressive load is acting on a thin-walled cylindrical shell. The increasing deformations are accompanied by the development of hoop stresses. When the hoop compression reaches a sufficiently high value, the shell can buckle elastically in agreement with Koiters special theory.