Passenger cars collide with tracks and sandstone vehicles are one of the most common types of car accident. Results often cause sever injury or death of the passenger car front seat occupants. Underride protective structure can reduce serious injures when passenger cars collide with the rear end or side of the heavy vehicle. This paper describes the use of Genetic Algorithm (GA) coupled with a dynamic, inelastic and large deformation finite element (FE) code LS-DYNA to search optimal design of the Side/Rear impact guards. In order to verify the accuracy of the FE model, the simulation results were compared with real experiments follow with the regulation ECE R73. The validated FE model then used to study the optimal design base on underrunning distance and total amount of energy absorbing capacity. The results from this study shown that this newly developed method not only can found multi-objective design parameters but also can reduce computational time significantly.


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    Title :

    Structural design optimization of side/rear impact guards usinga coupled genetic algorithm finite element method


    Additional title:

    Strukturelle Design-Optimierung von seitlichen und rückwärtigen Schutzvorrichtungen unter Verwendung einer GA (genetischer Algorithmus) und FE (Finite Element) Methodenkopplung


    Contributors:


    Publication date :

    2004


    Size :

    7 Seiten, 8 Bilder, 2 Tabellen, 10 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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