Nonlinear normal modes of vibrating mechanical systems: 10 years of progress
Y Mikhlin, KV Avramov - Applied …, 2023 - asmedigitalcollection.asme.org
This paper contains review of the theory and applications of nonlinear normal modes, which
are developed during last decade. This review has more than 200 references. It is a …
are developed during last decade. This review has more than 200 references. It is a …
A non-intrusive dynamic sensitivity-based substructure model updating method for nonlinear systems
In nonlinear finite element model updating (FEMU), one of the main challenges is how to
improve the updating efficiency for large-scale structures. The computational time of …
improve the updating efficiency for large-scale structures. The computational time of …
Reduced-order modeling of geometrically nonlinear structures. Part II: Correspondence and unified perspectives on different reduction techniques
T Guo, G Rega - Nonlinear Dynamics, 2023 - Springer
Reduced-order models derived by routine finite mode Galerkin truncation of nonlinear
continuous structures may lead to errors in the results, especially for quadratic nonlinearity …
continuous structures may lead to errors in the results, especially for quadratic nonlinearity …
Reduced-order modeling of geometrically nonlinear structures. Part I: A low-order elimination technique
T Guo, G Rega - Nonlinear Dynamics, 2023 - Springer
A general methodology for reduced-order modeling of geometrically nonlinear structures is
proposed. This approach is built upon equivalent elimination of low-order nonlinear terms by …
proposed. This approach is built upon equivalent elimination of low-order nonlinear terms by …
Parameter uncertainty and noise effects on the global dynamics of an electrically actuated microarch
This work aims to study the effect of uncertainties and noise on the nonlinear global
dynamics of a micro-electro-mechanical arch obtained from an imperfect microbeam under …
dynamics of a micro-electro-mechanical arch obtained from an imperfect microbeam under …
Nonlinear dynamics in mechanics: state of the art and expected future developments
G Rega - Journal of Computational and Nonlinear …, 2022 - asmedigitalcollection.asme.org
Starting from a recent classification of the development stages of nonlinear dynamics in
mechanics, this review builds on the idea that the level of scientific maturity of the area is …
mechanics, this review builds on the idea that the level of scientific maturity of the area is …
Reduced-order model and attractor identification for large eddy simulation of squirrel cage fan
A large eddy simulation (LES) of a squirrel cage fan (SCF) provides a precise representation
of turbulent flows with different degrees of complexity. This study comprehensively analyzes …
of turbulent flows with different degrees of complexity. This study comprehensively analyzes …
Model reduction of rotor-foundation systems using the approximate invariant manifold method
This work presents a model reduction method suited for performing nonlinear dynamic
analysis of high-dimensional rotor-foundation systems modeled by the finite element …
analysis of high-dimensional rotor-foundation systems modeled by the finite element …
Data-driven model reduction for pipes conveying fluid via spectral submanifolds
M Li, H Yan, L Wang - International Journal of Mechanical Sciences, 2024 - Elsevier
Pipes conveying fluid have non-linearizable dynamics when the flow velocity is large
enough. Developing analytical models that accurately capture these highly nonlinear and …
enough. Developing analytical models that accurately capture these highly nonlinear and …
Improved prediction of coherent structure in an intermediate turbine duct
Modeling the unsteady flow in an intermediate turbine duct in an aero-engine is highly
challenging partly owing to the complex physics subjected to unsteady vortical flow …
challenging partly owing to the complex physics subjected to unsteady vortical flow …