Abstract
In this paper we consider two coupled oscillators which exhibit energy transfer from master ‘linear’ degrees of freedom submitted to resonant external excitation with two different harmonics to a slave ‘nonlinear’ energy sink (NES). By endowing the idea of the relative mode, splitting harmonics and iterative techniques, we prove that control of the two one-to-one resonances of the system is possible simultaneously; moreover, the iterative technique gives us a better outlook over effects of the NES parameters on the overall behavior of the system. Then, analytical procedure for multi-resonance capture are explained and commented on. Finally, the obtained analytical results are compared with numerical evidence.
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