Dynamic instability mitigation by means of nonlinear energy sinks in mechanical systems having one or two unstable modes
Résumé
The presentation is divided into two parts. The first part presents a general method to predict the steady-state regimes of a multi-degree-of-freedom mechanical system (the primary system) having one unstable mode coupled to a set of nonlinear energy sinks (NESs). In the second part the primary system has two unstable modes and it is coupled to one NES. Preliminary numerical results and analytical treatments of this situation are presented.
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