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 …

Asymptotic numerical method for hyperelasticity and elastoplasticity: a review

M Potier-Ferry - Proceedings of the Royal Society A, 2024 - royalsocietypublishing.org
The literature about the asymptotic numerical method (ANM) is reviewed in this paper as
well as its application to hyperelasticity and elastoplasticity. ANM is a generic continuation …

Direct computation of nonlinear map** via normal form for reduced-order models of finite element nonlinear structures

A Vizzaccaro, Y Shen, L Salles, J Blahoš… - Computer Methods in …, 2021 - Elsevier
The direct computation of the third-order normal form for a geometrically nonlinear structure
discretised with the finite element (FE) method, is detailed. The procedure allows to define a …

Model order reduction based on direct normal form: application to large finite element MEMS structures featuring internal resonance

A Opreni, A Vizzaccaro, A Frangi, C Touzé - Nonlinear Dynamics, 2021 - Springer
Dimensionality reduction in mechanical vibratory systems poses challenges for distributed
structures including geometric nonlinearities, mainly because of the lack of invariance of the …

[HTML][HTML] Surface and nonlocal effects on the nonlinear free vibration of non-uniform nanobeams

P Malekzadeh, M Shojaee - Composites Part B: Engineering, 2013 - Elsevier
The surface and nonlocal effects on the nonlinear flexural free vibrations of elastically
supported non-uniform cross section nanobeams are studied simultaneously. The …

A purely frequency based Floquet-Hill formulation for the efficient stability computation of periodic solutions of ordinary differential systems

L Guillot, A Lazarus, O Thomas, C Vergez… - Journal of Computational …, 2020 - Elsevier
Since the founding theory established by G. Floquet more than a hundred years ago,
computing the stability of periodic solutions has given rise to various numerical methods …

Modeling nonlinear dynamics of functionalization layers: Enhancing gas sensor sensitivity for piezoelectrically driven microcantilever

L Nsubuga, L Duggen, F Balzer, S Høegh… - ACS …, 2024 - ACS Publications
This article presents a parametrized response model that enhances the limit of detection
(LOD) of piezoelectrically driven microcantilever (PD-MC) based gas sensors by accounting …

Non-intrusive reduced order modelling for the dynamics of geometrically nonlinear flat structures using three-dimensional finite elements

A Vizzaccaro, A Givois, P Longobardi, Y Shen… - Computational …, 2020 - Springer
Non-intrusive methods have been used since two decades to derive reduced-order models
for geometrically nonlinear structures, with a particular emphasis on the so-called STiffness …

Hardening/softening behavior and reduced order modeling of nonlinear vibrations of rotating cantilever beams

O Thomas, A Sénéchal, JF Deü - Nonlinear dynamics, 2016 - Springer
This work addresses the large amplitude nonlinear vibratory behavior of a rotating cantilever
beam, with applications to turbomachinery and turbopropeller blades. The aim of this work is …