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This paper is mainly focused on development of the methodology to predict the over-slam travel of the decklid using the LS DYNA model and the sensitivity of the parameters that affect the overslam travel such as weatherstrip, overslam bumper CLD and the location. The full factorial experiments approach is used for maximizing the possibility of finding a favorable result.

This paper discusses a standard procedure to reduce brake squeal using CAE and robust synthesis & analysis techniques. There are several techniques available to evaluate the stability of a system. Complex eigenvalue analysis is used for predicting and reducing squeal propensity. The complex eigenvalue method was implemented using SOL110 in version 2001 of MSC/NSTRAN for this study. We applied the signal to noise ratio using an orthogonal matrix to evaluate the main parameter effects and minimize the sensitivity.