While the numerical crashworthiness prediction techniques of elasto-plastic metallic structures have reached industrial maturity, the crashworthiness simulation of composite structures is less established and a subject of extensive research. Among the reasons are the complexity of the anisotropic behavior of composite materials compared to the basically isotropic and homogeneous metals, the recent extensive use of these materials and the relative inexperience in engineering prediction of the damage behavior of composites. In the present paper, a summary of material models and failure laws well suited for composites modeling are summarized. The models have been implemented in two finite element codes: PAM-FISS, a non-linear implicit code used for material calibration and PAM-CRASH, a non-linear explicit finite element program specialized in dynamic crash and impact applications. Results for several finite element simulations of real experimental studies are then presented to illustrate the progress in composite modeling.
Industrial crashworthiness simulation of automotive structures and components made of continuous fiber reinforced composite and sandwich assemblies
Industrielle Simulation der inneren Sicherheit von Automobilstrukturen und Teilen aus Verbundwerkstoffen mit Verstärkung durch kontinuierliche Faser und von Sandwichbaugruppen
1994
8 Seiten, 8 Bilder, 2 Quellen
Conference paper
English
British Library Conference Proceedings | 1994
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