Experimental continuation in nonlinear dynamics: recent advances and future challenges

G Raze, G Abeloos, G Kerschen - Nonlinear Dynamics, 2024 - Springer
Experimental continuation encompasses a set of methods that combine control and
continuation to obtain the full bifurcation diagram of a nonlinear system experimentally …

[HTML][HTML] Bifurcation and stability analysis of static equilibrium configuration of curved pipe conveying fluid

H Yan, M Li, L Wang - European Journal of Mechanics-A/Solids, 2023 - Elsevier
We present bifurcation and stability analysis of static equilibrium configurations of a clamped-
clamped curved pipe conveying fluid in this paper. To capture large deformations of the …

Nonlinear model reduction for a cantilevered pipe conveying fluid: A system with asymmetric damping and stiffness matrices

M Li, H Yan, L Wang - Mechanical Systems and Signal Processing, 2023 - Elsevier
We construct reduced-order models (ROMs) for a geometrically nonlinear viscoelastic
cantilevered pipe conveying fluid, a dynamical system that includes asymmetric damping …

Nonlinear analysis of forced mechanical systems with internal resonance using spectral submanifolds, Part II: Bifurcation and quasi-periodic response

M Li, G Haller - Nonlinear Dynamics, 2022 - Springer
In Part I of this paper, we have used spectral submanifold (SSM) theory to construct reduced-
order models for harmonically excited mechanical systems with internal resonances. In that …

Model reduction for constrained mechanical systems via spectral submanifolds

M Li, S Jain, G Haller - Nonlinear Dynamics, 2023 - Springer
Dynamical systems are often subject to algebraic constraints in conjunction with their
governing ordinary differential equations. In particular, multibody systems are commonly …

[HTML][HTML] Data-driven modeling and forecasting of chaotic dynamics on inertial manifolds constructed as spectral submanifolds

A Liu, J Axås, G Haller - Chaos: An Interdisciplinary Journal of …, 2024 - pubs.aip.org
We present a data-driven and interpretable approach for reducing the dimensionality of
chaotic systems using spectral submanifolds (SSMs). Emanating from fixed points or …

Data-free non-intrusive model reduction for nonlinear finite element models via spectral submanifolds

M Li, T Thurnher, Z Xu, S Jain - Computer Methods in Applied Mechanics …, 2025 - Elsevier
The theory of spectral submanifolds (SSMs) has emerged as a powerful tool for constructing
rigorous, low-dimensional reduced-order models (ROMs) of high-dimensional nonlinear …

Nonlinear dynamics of a circular curved cantilevered pipe conveying pulsating fluid based on the geometrically exact model

R Cao, Z Guo, W Chen, H Dai, L Wang - Applied Mathematics and …, 2024 - Springer
Due to the novel applications of flexible pipes conveying fluid in the field of soft robotics and
biomedicine, the investigations on the mechanical responses of the pipes have attracted …

Bifurcation analysis of piecewise-smooth engineering systems with delays through numeric continuation of periodic orbits

Z Iklodi, Z Dombovari - Nonlinear Dynamics, 2024 - Springer
This paper presents a numeric continuation framework for periodic orbits of piecewise-
smooth and hybrid dynamical systems with fixed point delays. For the numeric solution of the …

Fast computation and characterization of forced response surfaces via spectral submanifolds and parameter continuation

M Li, S Jain, G Haller - Nonlinear Dynamics, 2024 - Springer
For mechanical systems subject to periodic excitation, forced response curves (FRCs) depict
the relationship between the amplitude of the periodic response and the forcing frequency …