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Simplified rotating tire models based on cylindrical shells with free boundary conditions (CROSBI ID 625114)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Alujević, Neven ; Campillo-Davo, Nuria ; Kindt, Peter ; Desmet, Wim ; Pluymers, Bert ; Vercammen, Stijn Simplified rotating tire models based on cylindrical shells with free boundary conditions // FISITA 2014 World Automotive Congress. London : Delhi: FISITA, 2014. str. F2014-NVH-084-x

Podaci o odgovornosti

Alujević, Neven ; Campillo-Davo, Nuria ; Kindt, Peter ; Desmet, Wim ; Pluymers, Bert ; Vercammen, Stijn

engleski

Simplified rotating tire models based on cylindrical shells with free boundary conditions

A number of studies have been previously concerned with vibrations of rotating tires. In order to capture detailed dynamics of a rotating tire, complex numerical models have been developed accounting for the non-homogeneous structural properties of the tire belt and sidewall, structural-acoustic coupling and complex geometry description (including that of the wheel rim), under varying rotation speeds. Although a remarkable amount of details can be successfully modelled using such an approach, it can be rather difficult to parameterize the model, i.e. to establish a clear-cut relationship between a geometrical or material property of a tire and the corresponding change in the tire dynamics. Thus an alternative approach is employed within the scope of this study by modelling simplified tire geometries. The focus of the study is put onto modelling vibrations of the tire belt, which could be approximated by a pressurised thin cylindrical shell having free boundaries. Then the mode shapes and resonance frequencies of the belt are calculated as functions of the material and geometrical properties of the shell and the speed of the shell rotation. The resonance frequencies and the mode shapes of the free rotating cylindrical shell could be used to form a foundation for the forced vibration response and thus offer a possibility to couple the free tire belt to models of the sidewall and the air cavity inside the tire using, for example, mobility-impedance based methods.

Tire dynamics; structural vibration; rotating structures; cylindrical shells; simplified models

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Podaci o prilogu

F2014-NVH-084-x.

2014.

objavljeno

Podaci o matičnoj publikaciji

FISITA 2014 World Automotive Congress

London : Delhi: FISITA

Podaci o skupu

FISITA 2014 World Automotive Congress

predavanje

02.06.2014-06.06.2014

Maastricht, Nizozemska

Povezanost rada

Strojarstvo, Tehnologija prometa i transport, Zrakoplovstvo, raketna i svemirska tehnika

Poveznice