Impact on Thin Elastic Sheets

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• Nicolas Vandenberghe, IRPHE, Marseille
• Friday 20 November 2009, 16:00-17:00
• MR2, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

If you have a question about this talk, please contact Raymond E. Goldstein.

We study transverse impacts of rigid objects on a free elastic membrane, using thin circular sheets of natural rubber as experimental models. We report on a set of experiments and theoretical remarks on the occurrence of a wrinkling instability. We also describe the dynamics of the impacted membrane when it stands on a liquid substrate. Applications to the fracture pattern of glass windows and to celestial impacts will be discussed.

This talk is part of the Fluid Mechanics (DAMTP) series.

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