In this study, friction-induced vibrations of the window sealing system of a vehicle were investigated using a detailed numerical model. A lumped element, single-degree-of-freedom model was first developed for verification of the numerical procedures. An approximate expression for the frequency of the stick-slip oscillations was obtained. The model indicated that the frequency decreased as the normal force and the difference between the static and kinetic friction coefficients were increased. Stick-slip oscillations were then simulated using a finite element model of a glass run seal using an explicit time marching method. The motion of the seal during the slipping phase was in the direction of the friction force. The peak frequency was found to vary according to the glass position on the seal surface. The results indicated that both the periods of the stick and slip phases of the seal motion affect the frequency of the stick-slip oscillations.
Simulation of Friction-Induced Vibrations of Window Sealing Systems
Sae Technical Papers
SAE 2007 Noise and Vibration Conference and Exhibition ; 2007
15.05.2007
Aufsatz (Konferenz)
Englisch
Simulation of friction-induced vibrations of window sealing systems
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|Simulation of Friction-Induced Vibrations of Window Sealing Systems
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