On the vibration transmission of a rolling tire on a suspension system due to periodic tread excitation

Kung, L.E.; Soedel, W.; Yang, T. Y.

doi:10.1016/0022-460x(87)90491-3

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…Note that a model of a non-rolling smooth tyre was used for the study of wave propagation in a rolling tyre with a tread pattern by Kung et al [3] (and related articles [4}6]). The e!ect of the moving tread pattern on wave propagation was neglected in these articles.…”

Section: Introductionmentioning

confidence: 99%

Application of the Vibration Analysis of Linear Systems With Time-Periodic Coefficients to the Dynamics of a Rolling Tyre

Campanac

Nonami

Duhamel

2000

Journal of Sound and Vibration

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Section: Introductionmentioning

confidence: 99%

Application of the Vibration Analysis of Linear Systems With Time-Periodic Coefficients to the Dynamics of a Rolling Tyre

Campanac

Nonami

Duhamel

2000

Journal of Sound and Vibration

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“…Since the road input was not a harmonic displacement and damping of the tire was neglected based on the research of L.E. Kung since the intent of this paper was not to investigate the tire-patch interaction, but to represent the interaction in a simplified manner to study the road impact on crew compartment excitation; therefore, the modeling method was appropriate [12].…”

Section: Discussionmentioning

confidence: 99%

“…Note that the value 1 is placed connecting element DOF 1 to global DOF 1 and element DOF 25 to global DOF 25. [12] Where K cm is the stiffness of the spring connecting the crew compartment to the frame.…”

Section: Framementioning

confidence: 99%

Modal Analysis of a Heavy Tactical Wheeled Vehicle

Molitoris¹

2007

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“…Complete tyre-road noise models like shell- [125], [67] plate- [81], [111], [2], [124] or FEM models [133], [132] include a better description of the excitation within the contact patch. The calculation times of these models are often too long to be used in the early pattern design phase or for pitch optimization routines.…”

Section: Full Tyre-road Noise Modelsmentioning

confidence: 99%

“…Kung [125] combined the classical tyre shell models with pattern simulation models. He used the receptance of a free non-rolling tyre shell modal model below 300 Hz to describe the vibration transmission of tread displacements.…”

Section: Othermentioning

confidence: 99%

Engineering tools for interior tyre tread pattern noise

Bekke¹

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The regular tyre tread pattern design process is often based upon experience and experimental evaluations and may take about 2 years. The use of engineering tooling could improve and speed up this process. The research objective is therefore to develop experimental and simulation tooling by which interior tyre tread pattern noise can be predicted, analysed and optimized.The physics of tyre-road noise is explained in a comprehensive manner as a thorough understanding of the physics is needed to evaluate, measure, analyse or optimize tyres with respect to noise. The first engineering tool developed is an instrumented vehicle with dedicated measurement and processing technologies, enabling quantification of the terminology used in subjective evaluations of tyre-road noise. The three most important tyre tread pattern noise characteristics are: level, tonalness and modulation/drumming. They can be quantified, respectively, by the Sound Pressure Level, the so-called order spectrum and the (bandpass filtered) sound pressure variation during one tyre revolution.While rolling on smooth roads, the tyre tread pattern geometry in the tyre-road contact is considered to be the main origin of contact pressure variations, resulting in vibrations and noise. The second engineering tool is a simulation procedure of this source. In the new source modelling approach, the averaged tread pattern height in contact is calculated. The model predicts (R 2 = 0.76) the correct trends of the three tyre tread pattern noise characteristics, by using the trend of their geometrical cause. The model can be used to reduce exterior as well as interior tyre tread pattern noise.From these tyre tread pattern noise characteristics dedicated Sound Quality Metrics are defined: for level the Standard Deviation (STD), for tonalness the Order Prominence (OP) and for modulation the Multi-Order Modulation (MOM). They correspond very well (respectively R 2 =0.96, 0.60 and 0.80) with the human perception of the noise characteristics. An increase in each of the metrics results in a worse subjective perception of the tyre tread pattern noise. The metrics are applicable for measured and simulated sounds.In the third engineering tool the three metrics are combined to model the human percpetion of tyre tread patternn noise. The human perception model is obtained through a linear regression of these tyre related Sound Quality Metrics on the subjective rating of simulated sounds. The output of the model is called the Sound Quality Preference Index (SQPI) predicting the human perception of tyre tread pattern sounds correctly (R 2 =0.94).The coupled source -human perception model can be used to speed up and improve the current tyre tread patter design process. 't In mekaar dreaien van 'n baandprofiel, doot wie nog vaak zoa a'w 't leerd hebt. Nen gladden baand maken in 't fabriek, 't baandprofiel der met 'n mes oetsnieden en dan loester noar 't baandgeloed in 'n auto. Dan noadeanken en bekiekt wie oons hoo o'w 't better maken könt. Dat kost onmeunig völ tied en doar kan w...

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On the vibration transmission of a rolling tire on a suspension system due to periodic tread excitation

Cited by 6 publications

References 5 publications

Application of the Vibration Analysis of Linear Systems With Time-Periodic Coefficients to the Dynamics of a Rolling Tyre

Application of the Vibration Analysis of Linear Systems With Time-Periodic Coefficients to the Dynamics of a Rolling Tyre

Modal Analysis of a Heavy Tactical Wheeled Vehicle

Engineering tools for interior tyre tread pattern noise

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