[HTML][HTML] A new paradigm for multi-fidelity continuation using parallel model refinement

J Gross, V Gupta, C Berthold, M Krack - Computer Methods in Applied …, 2024 - Elsevier
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 …

Explicit sensitivity analysis of spectral submanifolds of mechanical systems

M Li - Nonlinear Dynamics, 2024 - Springer
Abstract Model reduction via spectral submanifolds (SSMs) has displayed benefits such as
the facilitation of nonlinear analysis and significant speed-up gains. One needs the …

Sensitivity analysis of the rotor-bearing system with fractional power nonlinearity using multicomplex variable derivation

A Li, H Qian, Y Ma, X Yan, Z Cao, R Zhu, D Jiang - Nonlinear Dynamics, 2024 - Springer
In the computation of dynamic response sensitivity for rotor-bearing systems using the
multicomplex variable derivation method, the presence of nonlinearity, particularly “fractional …

Backbone curve tailoring via Lyapunov subcenter manifold optimization

M Pozzi, J Marconi, S Jain, F Braghin - Nonlinear Dynamics, 2024 - Springer
We present a technique for the direct optimization of conservative backbone curves in
nonlinear mechanical systems. The periodic orbits on the conservative backbone are …

Experimental analysis of the TRC benchmark system

A Bhattu, S Hermann, N Jamia, F Müller… - arXiv preprint arXiv …, 2024 - arxiv.org
The Tribomechadynamics Research Challenge (TRC) was a blind prediction of the vibration
behavior of a thin plate clamped on two sides using bolted joints. The first bending mode's …

Design and Implementation of 5GSPS High-Speed High-Precision Data Acquisition and Signal Synthesis Module

J Fan, H Zeng, Y Tian, L Guo, J Jiang… - 2023 IEEE 16th …, 2023 - ieeexplore.ieee.org
Radar signal test systems have the ability to capture broadband signals in real time, analyse
high-speed data streams and synthesise large bandwidth signals. The traditional test system …