Abstract

A methodology was developed to design the front end structure of a car with a short front-end to meet Frontal Impact safety requirements. The methodology is based on CAE tools, and it is to be applied in the early stages of the design process. It includes setting the vehicle target pulse, obtaining the component targets, designing the structural components and sub-systems, and evaluating the vehicle system by Finite Element analysis. The process is based in two CAE tools, an FCRASH Finite Element Hybrid model for the structural analysis, and a MADYMO model for the occupant simulation. The Hybrid model was chosen for the structural analysis in order to allow the upgrade of the CAE model during the different stages of the design process. Modifications of the process are discussed in order to meet different crash requirements.

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