Friction-Induced Vibration in Mechanical Systems
Summary
Friction-induced vibration arises when relative motion at a contact interface converts steady sliding into self-excited oscillations, driven by interactions between mechanical modes, surface properties and thermal effects. Manifestations include stick–slip oscillations, mode coupling instabilities and thermo-elastic instabilities, all of which can generate noise, accelerate wear and compromise system performance. Common examples appear in brake systems, journal bearings, gearing and manufacturing processes, where local heating alters material stiffness and friction coefficients, thus modifying the dynamic response. Modern research integrates multiscale modelling—combining contact mechanics, finite element analysis and energy-based methods—with experimental validation on test rigs or prototype assemblies. Control strategies span from optimised surface textures and damping layers to active feedback loops that account for inherent time delays. Advances in data-driven diagnostic tools and real-time monitoring are now enabling prediction and mitigation of instabilities before they reach critical amplitudes. A global effort is under way to unify tribological, acoustic and structural perspectives, improving reliability, reducing environmental impact and supporting the design of quieter, more durable mechanical interfaces.
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Friction-Induced Vibration in Mechanical Systems publication trend
The graph below shows the total number of articles in friction-induced vibration in mechanical systems across all publications each year (not limited to Nature Index journals).
Technical terms
Friction-induced vibration: Self-excited oscillations arising from energy transfer at frictional interfaces under relative motion.
Stick–slip: A nonlinear phenomenon in which surfaces alternate between static adhesion and dynamic sliding, producing oscillatory motion.
Thermomechanical tribology: The study of coupled thermal and mechanical interactions at sliding contacts that influence friction, wear and surface integrity.
Mode coupling instability: A frictional-driven process where two or more vibration modes coalesce, leading to sustained growth of oscillations.
Self-excited vibration: Sustained oscillatory motion driven by internal energy feedback mechanisms rather than external periodic forcing.
References
- Comprehensive modeling strategy for thermomechanical tribological behavior analysis of railway vehicle disc brake system. Friction (2023).
- Interdependence of friction, wear, and noise: A review. Friction (2021).
- Active vibration control and stability analysis of a time-delay system subjected to friction-induced vibration. Journal of Sound and Vibration (2021).
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