University of Cambridge > > Institute for Energy and Environmental Flows (IEEF) > Buckling of elastic plates: theory and experiment

Buckling of elastic plates: theory and experiment

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If you have a question about this talk, please contact Anne Alexander.

Lunch in the open plan area at 12.30

The von Karman- Foppl equations are a nonlinear extension of the usual linear elastic plate equations allowing for both in-plane stretching and out-of-plane deformation. The equations are popular in areas of the Physics community and our aim is to solve them both analytically, asymptotically and numerically and then compare to experiments. We use the equations to explore the onset of linear instability and the subsequent nonlinear development of buckling patterns in a flat elastic plate due to an imposed shear or body force such as gravity. In particular the spacing of the buckles, their amplitude and the envelope of their displacement can be identified. For comparison experimental results are also presented for a clamped and sheared sheet of Neoprene rubber and thus we can quantify how effective these equations are at predicting reality.

This talk is part of the Institute for Energy and Environmental Flows (IEEF) series.

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