Model order reduction methods for geometrically nonlinear structures: a review of nonlinear techniques

C Touzé, A Vizzaccaro, O Thomas - Nonlinear Dynamics, 2021 - Springer
This paper aims at reviewing nonlinear methods for model order reduction in structures with
geometric nonlinearity, with a special emphasis on the techniques based on invariant …

High-order direct parametrisation of invariant manifolds for model order reduction of finite element structures: application to generic forcing terms and parametrically …

A Opreni, A Vizzaccaro, C Touzé, A Frangi - Nonlinear Dynamics, 2023 - Springer
The direct parametrisation method for invariant manifolds is used for model order reduction
of forced-damped mechanical structures subjected to geometric nonlinearities. Nonlinear …

Finite element computation of nonlinear modes and frequency response of geometrically exact beam structures

M Debeurre, A Grolet, B Cochelin, O Thomas - Journal of Sound and …, 2023 - Elsevier
An original method for the simulation of the dynamics of highly flexible slender structures is
presented. The flexible structures are modeled via a finite element (FE) discretization of a …

[HTML][HTML] Nonautonomous spectral submanifolds for model reduction of nonlinear mechanical systems under parametric resonance

T Thurnher, G Haller, S Jain - Chaos: An Interdisciplinary Journal of …, 2024 - pubs.aip.org
We use the recent theory of spectral submanifolds (SSMs) for model reduction of nonlinear
mechanical systems subject to parametric excitations. Specifically, we develop expressions …

A general nonlinear order-reduction method based on the referenced nodal coordinate formulation for a flexible multibody system

T Yuan, W Fan, H Ren - Mechanism and Machine Theory, 2023 - Elsevier
An accurate and efficient formulation is favorable for dynamic analysis and control in the
field of the flexible multibody system. This paper proposes a general nonlinear order …

Extreme nonlinear dynamics of cantilever beams: effect of gravity and slenderness on the nonlinear modes

M Debeurre, A Grolet, O Thomas - Nonlinear Dynamics, 2023 - Springer
In this paper, the effect of gravity on the nonlinear extreme amplitude vibrations of a slender,
vertically oriented cantilever beam is investigated. The extreme nonlinear vibrations are …

Topology optimization of MEMS resonators with target eigenfrequencies and modes

D Giannini, N Aage, F Braghin - European Journal of Mechanics-A/Solids, 2022 - Elsevier
In this paper we present a density based topology optimization approach to the synthesis of
industrially relevant MEMS resonators. The methodology addresses general resonators …

A consistency analysis of phase-locked-loop testing and control-based continuation for a geometrically nonlinear frictional system

G Abeloos, F Müller, E Ferhatoglu, M Scheel… - … Systems and Signal …, 2022 - Elsevier
Two of the most popular vibration testing methods for nonlinear structures are control-based
continuation and phase-locked-loop testing. In this paper, they are directly compared on the …

Control-based methods for the identification of nonlinear structures

G Abeloos - 2022 - orbi.uliege.be
One of the key roles of structural engineering is to describe how a structure vibrates, or"
responds", when a dynamic load, or" excitation", is applied to it. Often, the assumption of …

[HTML][HTML] The Tribomechadynamics Research Challenge: Confronting blind predictions for the linear and nonlinear dynamics of a thin-walled jointed structure with …

M Krack, MRW Brake, C Schwingshackl, J Gross… - … Systems and Signal …, 2025 - Elsevier
The present article summarizes the submissions to the Tribomechadynamics Research
Challenge announced in 2021. The task was a blind prediction of the vibration behavior of a …