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Technical Paper

Overslam Travel Reduction Using Robust Design

2003-03-03
2003-01-0872
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.
Technical Paper

Brake Squeal Reduction Using Robust Design

2003-03-03
2003-01-0879
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.
Technical Paper

Optimization of the Side Swing Door Closing Effort

2003-03-03
2003-01-0871
In the automotive industry, a lot of attention has been paid to the effort required for opening/closing the doors, and for a good reason. The door closing and opening effort creates an impression in the customer's mind about the engineering and quality of the vehicle even before he or she steps into it. Although this is such an important issue, the precise quantification of what constitutes a good performance target for the door opening/closing effort, has remained somewhat elusive. Thumb rules and best practices abound in the automotive industry. Some of the rules and best practices have focused on setting certain targets for the energy required to shut the door from a small open position (around 10-15 degrees). This target can be misleading. The purpose of this paper is to present an ADAMS® simulation model that includes all the different components of the door design.
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