Tunable broadband low-frequency band gap of multiple-layer metastructure induced by time-delayed vibration absorbers

F Wang, X Sun, H Meng, J Xu - Nonlinear Dynamics, 2022 - Springer
In this study, a low-frequency multiple-layer metastructure is proposed for broadband
vibration control. The effects of the time-delayed vibration absorbers (TDVAs) on the …

Effect of state-dependent time delay on dynamics of trimming of thin-walled structures

SL Ma, T Huang, XM Zhang, M Wiercigroch… - International Journal of …, 2022 - Elsevier
Trimming of cantilever thin-walled structures is commonly seen in aerospace industry,
including trimming of blades. Trimming with helix angle tools can cause the vibration of the …

Dynamics of rotary drilling with non-uniformly distributed blades

Y Yan, M Wiercigroch - International Journal of Mechanical Sciences, 2019 - Elsevier
This paper investigates the linear stability and nonlinear dynamics of drilling with non-
uniformly distributed blades in a drill-bit. The analysis is based on a lumped parameter …

Modelling of regenerative and frictional cutting dynamics

Y Yan, J Xu, M Wiercigroch - International Journal of Mechanical Sciences, 2019 - Elsevier
As most investigations of regenerative and frictional cutting chatters have been performed
separately up to now, this paper aims to bridge the gap between the two sources of cutting …

Safety estimation for a new model of regenerative and frictional cutting dynamics

Y Yan, G Liu, M Wiercigroch, J Xu - International Journal of Mechanical …, 2021 - Elsevier
In our previous study on regenerative and frictional cutting dynamics, a new model
considering both time-delayed regenerative effect and Stribeck effect as sources of cutting …

Statistical basin of attraction in time-delayed cutting dynamics: Modelling and computation

Y Yan, J Xu, M Wiercigroch, Q Guo - Physica D: Nonlinear Phenomena, 2021 - Elsevier
This paper proposes a novel concept of the statistical basin of attraction to analyse the
multiple stability in nonlinear time-delayed dynamical systems and shows how they can be …

Bifurcation analysis of thin-walled structures trimming process with state-dependent time delay

SL Ma, T Huang, Y Yan, XM Zhang, H Ding… - International Journal of …, 2024 - Elsevier
Our previous study [1] revealed that trimming of thin-walled structures has a strongly
nonlinear nature, hence this investigation delves into nonlinear dynamic analysis …

Energy determines multiple stability in time-delayed systems

Y Yan, S Zhang, Q Guo, J Xu, KC Kim - Nonlinear Dynamics, 2020 - Springer
Infinite dimensions always challenge the analysis of multiple stability in nonlinear time-
delayed systems, as the computation and visualization of conventional basin of attraction …

Evaluation of Cutting Stability of a Natural-Rubber-Tapping Robot

H Zhou, J Gao, F Zhang, J Zhang, S Wang, C Zhang… - Agriculture, 2023 - mdpi.com
Natural rubber is a crucial raw material in modern society. However, the process of latex
acquisition has long depended on manual cutting operations. The mechanization and …

[HTML][HTML] Marching bifurcations

M Wiercigroch - International Journal of Mechanical Sciences, 2023 - Elsevier
This paper dedicated to my late mum and dad (Ludwika and Karol Wiercigroch), presents a
light-hearted account of important events in my academic career, which have influenced my …