"A general, nonlinear, multi-d.o.f. structure,. excited by harmonic external force in 1:1 resonance. with one of the modes of the system, is considered.. The structure is attached to an essentially nonlinear. oscillator, with small mass and damping (Nonlinear. Energy Sink, NES). The scope of the NES is to passively. control the amplitude of vibrations of the main. structure. A mixed Multiple Scale\/Harmonic Balance. Method (MSHBM) is proposed to get the differential. equations describing the slow- and fast-flow dynamics. of the whole structure. The main advantage of the. procedure is that no complexification-averaging is required,. so that the analysis is reconducted in the framework. of the classical perturbation techniques."
Dynamic analysis of externally excited NES-controlled systems via a mixed Multiple Scale/Harmonic Balance algorithm
LUONGO, Angelo;ZULLI, Daniele
2012-01-01
Abstract
"A general, nonlinear, multi-d.o.f. structure,. excited by harmonic external force in 1:1 resonance. with one of the modes of the system, is considered.. The structure is attached to an essentially nonlinear. oscillator, with small mass and damping (Nonlinear. Energy Sink, NES). The scope of the NES is to passively. control the amplitude of vibrations of the main. structure. A mixed Multiple Scale\/Harmonic Balance. Method (MSHBM) is proposed to get the differential. equations describing the slow- and fast-flow dynamics. of the whole structure. The main advantage of the. procedure is that no complexification-averaging is required,. so that the analysis is reconducted in the framework. of the classical perturbation techniques."Pubblicazioni consigliate
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