F. GIANNETTI

Inthispaperwestudythestructuralsensitivityofthenonlinearperiodic oscillation arising in the wake of a circular cylinder for Re47. The sensibility of the periodic state to a spatially localised feedback from velocity to force is anal- ysed by performing a structural stability analysis of the problem. The sensitivity of the vortex shedding...

The two-dimensional flow around a rotating circular cylinder is studied at Re=100. The instability mechanisms for the first and second shedding mode are analysed: The region in the flow with a role of 'wave-maker' in the excitation of the global instability is identified by considering the structural sensitivity of the unstable mode. This...

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