A critical review of nonlinear damping identification in structural dynamics: Methods, applications, and challenges
In recent decades, nonlinear damping identification (NDI) in structural dynamics has
attracted wide research interests and intensive studies. Different NDI strategies, from …
attracted wide research interests and intensive studies. Different NDI strategies, from …
Experimental continuation in nonlinear dynamics: recent advances and future challenges
G Raze, G Abeloos, G Kerschen - arXiv preprint arXiv:2408.00138, 2024 - arxiv.org
Experimental continuation encompasses a set of methods that combine control and
continuation to obtain the full bifurcation diagram of a nonlinear system experimentally …
continuation to obtain the full bifurcation diagram of a nonlinear system experimentally …
Nonlinear damping quantification from phase-resonant tests under base excitation
F Müller, L Woiwode, J Gross, M Scheel… - Mechanical Systems and …, 2022 - Elsevier
The present work addresses the experimental identification of amplitude-dependent modal
parameters (modal frequency, damping ratio, Fourier coefficients of periodic modal …
parameters (modal frequency, damping ratio, Fourier coefficients of periodic modal …
Stepped and swept control-based continuation using adaptive filtering
This paper introduces a new online method for performing control-based continuation
(CBC), speeding up the model-less identification of stable and unstable periodic orbits of …
(CBC), speeding up the model-less identification of stable and unstable periodic orbits of …
Observations of modal coupling due to bolted joints in an experimental benchmark structure
M Wall, MS Allen, RJ Kuether - Mechanical Systems and Signal Processing, 2022 - Elsevier
The goal of this paper is to present a set of measurements from a benchmark structure
containing two bolted joints to support future efforts to predict the damping due to the joints …
containing two bolted joints to support future efforts to predict the damping due to the joints …
Experimental modal analysis of nonlinear amplified piezoelectric actuators by using response-controlled stepped-sine testing
A Koyuncu, T Karaağaçlı, M Şahin… - Experimental Mechanics, 2022 - Springer
Background The nonlinear dynamic behavior of miniature stack-type piezoelectric actuators
is not yet fully investigated and is still an open research field. Objective The objective of this …
is not yet fully investigated and is still an open research field. Objective The objective of this …
Good practices for designing and experimental testing of dynamically excited jointed structures: The Orion beam
This paper proposes a new lap-joint configuration, the so-called Orion beam. The new setup
is composed of two thin beams connected by three bolted joints with contact patches on …
is composed of two thin beams connected by three bolted joints with contact patches on …
Experimental quantification and validation of modal properties of geometrically nonlinear structures by using response-controlled stepped-sine testing
T Karaağaçlı, HN Özgüven - Experimental Mechanics, 2022 - Springer
Background Various nonlinear system identification methods applicable to distributed
nonlinearities have been developed over the last decade. However, many of them are not …
nonlinearities have been developed over the last decade. However, many of them are not …
Tracking superharmonic resonances for nonlinear vibration of conservative and hysteretic single degree of freedom systems
Many modern engineering structures exhibit nonlinear vibration. Characterizing such
vibrations efficiently is critical to optimizing designs for reliability and performance. For linear …
vibrations efficiently is critical to optimizing designs for reliability and performance. For linear …
[HTML][HTML] A new paradigm for multi-fidelity continuation using parallel model refinement
Numerical path continuation is commonly applied to determine how limit states of dynamical
systems evolve with a free parameter. For high-fidelity models of complicated nonlinear …
systems evolve with a free parameter. For high-fidelity models of complicated nonlinear …