scispace - formally typeset
Proceedings ArticleDOI

A New Tire Model for Vehicle NVH Analysis

TLDR
In this article, a new modal tire model with patch input capability as a component within a vehicle system model is presented. But the model is not suitable for road roughness and does not produce realistic response to input at the patch.
Abstract
Since road roughness is an important source of vehicle vibration, a system model for NVH analysis requires a tire model which accurately predicts spindle response to road input. Most tire models currently used in the auto industry do not meet this requirement, because they are based on static stiffness of the tire and do not produce realistic response to input at the patch. This paper investigates a new modal tire model with patch input capability as a component within a vehicle system model. Comparisons are also presented between the behavior of the new tire model and a conventional spring model. To validate the performance of the tire model for NVH analysis, simulated vehicle responses to bump input are compared to chassis roll test results.

read more

Citations
More filters
Proceedings ArticleDOI

The brake judder phenomenon

Proceedings ArticleDOI

Vibration Modes of Radial Tires: Measurement, Prediction, and Categorization Under Different Boundary and Operating Conditions

TL;DR: In this article, a naming convention using wave numbers is developed to identify and categorize modes of an unloaded tire, and finite element method models are used for interpreting the wave number concept to the 3D mode shapes and to account for dynamics of the wheel and enclosed air cavity.
Journal ArticleDOI

Tire-Suspension-Chassis Dynamics in Rolling over Obstacles for Ride and Harshness Analysis2

TL;DR: In this paper, the importance of improving dynamic properties is growing in vehicle development, especially as tire sidewall height is reduced, and accurate prediction of tire and suspension dif-ferentials is proposed.
References
More filters
Proceedings ArticleDOI

Impact Vibrations of Rolling Tires

TL;DR: In this article, in-plane (horizontal and vertical) tire vibrations due to "impulsive" input forces which result when tires impact small or cleat-like bumps (e.g., tar strips).
Journal Article

Analysis of vehicle structures

TL;DR: The authors describes various analysis procedures used to support design: static and dynamic analysis of vehicle body structure; acoustic analysis of passenger air space; and evaluation of body structure dynamic effects on overall vehicle noise, vibration, and harshness.