In typical front engine vehicles, the front-end structure absorbs the crash energy with the sandwiched engine acting as rigid body to resist the crash loads and intrusion into passenger compartment. However, in mid engine vehicles, the front-end structure is inadequate to fully absorb the crash energy and at the same time resist intrusion. Without a structural IP beam to resist crash loads, it is unlikely that mid engine vehicles can successfully meet the given standards for occupant crash protection. In the present paper the development of a structural magnesium instrument panel (IP) beam is presented. It was designed to be a structural load bearing member in a crash event, emanating from the front-end structure, without causing appreciable failure. The IP beam helps secure the integrity of the front-end structure and prevent unacceptable intrusion into the passenger compartment. Some objective performance criteria were established for the IP beam. Finite element simulations were performed to evaluate the IP's performance in frontal (full & 40% offset) and dynamic side impact conditions. Besides occupant crash protection, the IP was also designed to meet typical NVH targets. With packaging constraints, the challenge was to design an IP beam that uses minimal space but at the same time meets the crash and NVH targets. Numerous challenges had to be overcome to develop the final design. In this paper, the authors discuss in detail the design issues, material assumptions, manufacturing constraints, performance requirements and analysis methods that went into the development process.


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    Title :

    Development of a structural magnesium instrument panel


    Contributors:
    Kumar, A. (author) / Nelson, E. (author)


    Publication date :

    2004


    Size :

    5 Seiten, 3 Bilder, 4 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Development of a Structural Magnesium Instrument Panel

    Kumar, Arun / Nelson, Eric / Hubbert, Tim | SAE Technical Papers | 2004


    Development of a structural magnesium instrument panel

    Kumar,A. / Nelson,E. / Hubbert,T. et al. | Automotive engineering | 2004


    Development of a Structural Magnesium Instrument Panel

    Nelson, A. K. / Hubbert, T. / Society of Automotive Engineers | British Library Conference Proceedings | 2004


    2004-01-1486 Development of a Structural Magnesium Instrument Panel

    Kumar, A. / Nelson, E. / Hubbert, T. et al. | British Library Conference Proceedings | 2004


    2004-01-1486 Development of a Structural Magnesium Instrument Panel

    Kumar, A. / Nelson, E. / Hubbert, T. et al. | British Library Conference Proceedings | 2004