Normal form theory and nonlinear normal modes: Theoretical settings and applications

Cyril Touzé 1, *
* Corresponding author
Abstract : These lecture notes are related to the CISM course on ”Modal Analysis of nonlinear Mechanical systems”, held at Udine, Italy, from June 25 to 29, 2012. The key concept at the core of all the lessons given during this week is the notion of Nonlinear Normal Mode (NNM), a theoretical tool allowing one to extend, through some well-chosen assumptions and limitations, the linear modes of vibratory systems, to nonlinear regimes. More precisely concerning these notes, they are intended to show the explicit link between Normal Form theory and NNMs, for the specific case of vibratory systems displaying polynomial type nonlinearities. After a brief introduction reviewing the main concepts for deriving the normal form for a given dynamical system, the relationship between normal form theory and nonlinear normal modes (NNMs) will be the core of the developments.
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Contributor : Cyril Touzé <>
Submitted on : Tuesday, March 24, 2015 - 11:39:54 AM
Last modification on : Wednesday, July 3, 2019 - 10:48:04 AM

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Cyril Touzé. Normal form theory and nonlinear normal modes: Theoretical settings and applications. G. Kerschen. Modal Analysis of nonlinear Mechanical Systems,, 555, Springer, 2014, Springer Series CISM courses and lectures, 978-3-7091-1790-2. ⟨10.1007/978-3-7091-1791-0_3⟩. ⟨hal-01134785⟩

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