In nature, most of the materials, which can be observed are porous materials. Wood, cork, sponges and bones are some examples. The development of such natural porous materials has many reasons. The main driver is the principle of minimal use of material and weight in order to achieve a high stability of the final structure. For vehicle applications structural foams have been used for stiffening structural components as well as for improved energy absorption and passive safety. On the base of the Finite Element Method (FEM) simulation models for structural foam in crash relevant body components will be developed. These models will be implemented into commercial software and can be used in the development of vehicle structures. The first step is the material characterization of the structural foam. On this base the simulation model will be performed with the new simulation tool and the results will be compared to test results. The validation approach for aluminum foam and for polymeric structural foam in vehicle development is sketched. The applications presented are on the one hand a bumper system, where the foam has the main function to absorb energy during frontal impact situations and is also used for pedestrian protection purpose, and on the other hand the polymeric structural foam in a B-pillar, where the main target is stiffening and stabilizing the structure.


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    Titel :

    Crash simulation of structural foam


    Beteiligte:
    Lanzerath, H. (Autor:in) / Schilling, R. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    9 Seiten, 19 Bilder, 15 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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