Browse Publications Technical Papers 2000-05-0216
2000-06-12

The analysis of suspension behavior in the bump and rebound using elasto kinematic analysis 2000-05-0216

It is not easy to predict precisely the behavior of the suspension with large lateral compliance, considering only kinematic behavior of the suspension. It is necessary to estimate accurately the tire locus in the development of new car in order to secure the minimal and proper clearance between rear tire and rear wheel house.
In this article the 5 link rear suspension with panhard rod was taken into account. At first we studied the kinematic behavior of the suspension in various conditions, for example double bump and roll, and then the lateral load compliance behavior of the suspension was studied. The results of each cases were compared to SPMD(suspension parameter measuring device) data. The compliance behavior was obtained by both the simulation of nonlinear large displacement analysis and the kinematic analysis with bush deformation. From the comparison between two cases we recognized that there are the differences between the analysis results.
Finally we chose the most close result to describe the actual tire locus. And with this result we could determine the clearance between the tire and body inner surface.

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