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We investigate the possibility of using a time-delay feedback control to suppress the vortex-induced vibrations of an elastically mounted circular cylinder. An appropriate reduced-order wake-oscillator model is employed to determine the cylinder’s displacement and lift fluctuating coefficient in a coupled manner. A parametric study is performed to investigate the effects of the time-delay feedback...
We investigate the potential of using a piezoelectric energy harvester to concurrently harness energy from base excitations and vortex-induced vibrations. The harvester consists of a multilayered piezoelectric cantilever beam with a circular cylinder tip mass attached to its free end which is placed in a uniform air flow and subjected to direct harmonic excitations. We model the fluctuating lift coefficient...
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