Shell buckling - without those ‘imperfections’

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• Prof Chris Calladine, Structural Mechanics, CUED
• Friday 03 March 2017, 14:00-15:00
• Oatley Seminar Room, Department of Engineering.

If you have a question about this talk, please contact Hilde Hambro.

When buckling experiments were conducted on thin-walled cylindrical shells under axial compression, in the 1930s, it was discovered that the classical buckling analysis of the 1910s gave very poor predictions of the empirical results. Following the work of Koiter (1914 -1997), the conventional wisdom about this discrepancy between Theory and Experiment has been that the buckling process is “imperfection-sensitive”, and that imperfections are unavoidable. In this talk I shall take a different view, based on two specific novel experiments. In brief, I claim that “imperfection-sensitivity” is a solution to the wrong problem.

This talk is part of the Engineering - Mechanics and Materials Seminar Series series.

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