2021
DOI: 10.1007/s11012-021-01351-1
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Backbone curves, Neimark-Sacker boundaries and appearance of quasi-periodicity in nonlinear oscillators: application to 1:2 internal resonance and frequency combs in MEMS

Abstract: Quasi-periodic solutions can arise in assemblies of nonlinear oscillators as a consequence of Neimark-Sacker bifurcations. In this work, the appearance of Neimark-Sacker bifurcations is investigated analytically and numerically in the specific case of a system of two coupled oscillators featuring a 1:2 internal resonance. More specifically, the locus of Neimark-Sacker points is analytically derived and its evolution with respect to the system parameters is highlighted. The backbone curves, solution of the cons… Show more

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Cited by 37 publications
(40 citation statements)
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“…Important consequences are in the field of identification methods, where minimal nonlinear models can be used reliably, see, e.g. circular plates with 1:1 internal resonances [68,70,272], shallow shells with 1:1:2 and 1:2:2:4 internal resonances [106,184,274], MEMS structure with 1:2 and 1:3 resonance [42,71], and the identification of the hardening/softening behaviour of particular modes of a structure [45].…”
Section: Applicationsmentioning
confidence: 99%
“…Important consequences are in the field of identification methods, where minimal nonlinear models can be used reliably, see, e.g. circular plates with 1:1 internal resonances [68,70,272], shallow shells with 1:1:2 and 1:2:2:4 internal resonances [106,184,274], MEMS structure with 1:2 and 1:3 resonance [42,71], and the identification of the hardening/softening behaviour of particular modes of a structure [45].…”
Section: Applicationsmentioning
confidence: 99%
“…The low-order internal resonances are the most well known and have given rise to a vast literature investigating their solutions, see e.g. [64,65,66,67,68] to cite only a few entries. Second-order internal resonances are related to quadratic nonlinearities, and give rise to the 1:2 case where ω j 2ω p , as well as combination of resonance such as ω p ω k ± ω l .…”
Section: Resonancesmentioning
confidence: 99%
“…Internal resonances (IRs) are associated to energy transfer between modes, and are frequently experienced by MEMS structures mainly due to the very low dissipation. Often IRs are strongly linked to the stability of the associated periodic response, and quasi-periodic regimes might arise as a consequence of Neimark-Sacker (NS) bifurcations [61]. The numerical prediction of such phenomena has been tackled only recently with ad-hoc approaches like the Implicit Condensation [6] or the DPIM [62].…”
Section: Internal Resonance In a Shallow Archmentioning
confidence: 99%
“…satisfying the necessary condition to induce a 1:2 internal resonance, and leads to qualitative and quantitative changes in the dynamics. An in-depth analysis has been developed in Gobat et al [61], where 1:2 IR systems are analysed starting their normal form and the existence of the so-called parabolic modes between the coupled oscillators is demonstrated. Such modes exist on the two branches of the FRF (see Figure 11) and are associated to the two backbones that onset from ω 1 and ω 6 /2, respectively.…”
Section: Internal Resonance In a Shallow Archmentioning
confidence: 99%