Tire Vibration Dynamics and Noise Characterization
Summary
Tire vibration dynamics and noise characterisation form a critical discipline in vehicular engineering, addressing how tyres transmit and radiate vibrational energy into the environment and vehicle structure. As the sole interface between a moving vehicle and the road surface, tyres influence acoustic emissions across a broad frequency range, from low-frequency structure-borne noise to airborne noise above several kilohertz. Vibrational behaviour arises from wheel rotation, road irregularities, inflation pressure, load and tread pattern geometry. Under rolling conditions, progressive and regressive travelling waves propagate along the tyre circumference, interacting with the contact patch and generating complex resonant modes. Understanding these dynamics supports the design of quieter, more comfortable vehicles, guides material selection for tread compounds and belts, and informs road-surface engineering for noise mitigation. Modern approaches combine experimental modal analysis, simplified analytical models and high-fidelity numerical simulations to capture modal frequencies, mode shapes and acoustic transfer functions. Integration of boundary element methods with detailed finite element representations of the tyre enables prediction of sound radiation from vibrational sources. Global regulatory and consumer demands for reduced noise pollution and improved ride comfort continue to drive innovation in this field.
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Tire Vibration Dynamics and Noise Characterization publication trend
The graph below shows the total number of articles in tire vibration dynamics and noise characterization across all publications each year (not limited to Nature Index journals).
Technical terms
NVH: Noise, vibration and harshness; a measure of the acoustic and vibrational comfort of a vehicle.
Modal analysis: Technique to determine the natural frequencies and mode shapes of a structure under vibrational excitation.
Finite element analysis: Numerical method dividing a complex structure into discrete elements to simulate mechanical behaviour under load.
Contact patch: The area of the tyre tread in direct contact with the road surface, crucial for load transfer and vibrational coupling.
Travelling wave: A vibration mode in rotating tyres characterised by circumferential waves propagating forward (progressive) or backward (regressive) relative to the rotation.
References
- Measurement and identification of the in-plane dynamic behaviour of a rolling tyre. Mechanical Systems and Signal Processing (2024).
- Analysis of Vibration Characteristics and Influencing Factors of Complex Tread Pattern Tires Based on Finite Element Method. Machines (2024).
- Impact of the contact-patch gap on sound radiation from a tyre. Journal of Sound and Vibration (2024).
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