The study is focused on the understanding of the nonlinear effects of friction on clutch judder, a self-excited instability affecting automotive drivelines featuring friction elements. A comprehensive multibody model of the entire driveline has been developed using symbolic algebra software, suitable to perform perturbation analysis on steady-state, stationary solutions (manifolds) governed by nonlinear friction characteristics. This allows direct comparison with experimental data.
Perturbation analysis of stationary manifolds governed by nonlinear friction characteristics in automotive drivelines / Gualdi, Daniele; Sorrentino, Silvio; De Felice, Alessandro. - (2025). ( Fourth International Nonlinear Dynamics Conference - Nodycon 2025 Stevens Institute of Technology - Hoboken - New Jersey - USA 22-25 Giugno 2025).
Perturbation analysis of stationary manifolds governed by nonlinear friction characteristics in automotive drivelines
Daniele Gualdi
;Silvio Sorrentino;Alessandro De Felice
2025
Abstract
The study is focused on the understanding of the nonlinear effects of friction on clutch judder, a self-excited instability affecting automotive drivelines featuring friction elements. A comprehensive multibody model of the entire driveline has been developed using symbolic algebra software, suitable to perform perturbation analysis on steady-state, stationary solutions (manifolds) governed by nonlinear friction characteristics. This allows direct comparison with experimental data.
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Abstract-2-NODYCON-2025.pdf
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Presentazione-NODYCON-2025-Gualdi.pdf
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