Symmetry breaking in fluid-structure interaction systems

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• Professor Alessandro Bottaro, DICCA, Scuola Politecnica Universita di Genova
• Friday 11 October 2013, 16:00-17:00
• MR2, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

If you have a question about this talk, please contact Dr C. P. Caulfield.

Two simple systems are analysed numerically: the flow past a cylinder and that in a channel driven by a sinusoidal pressure gradient. In both configurations an elastic filament is present, symmetrically placed and hinged at the wall (of the cylinder or the channel). In both cases we find that a symmetry breaking bifurcation may arise through the fluid-structure interaction, causing either a net lift (in the case of the cylinder) or a net mean flow (in the pulsating channel). We explore some possible reasons for this behaviour.

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

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