Vehicle structural collapse analysis using a finite element limit method
Vehicle structural collapse analysis using a finite element limit method
This paper discusses the collapse behaviour of vehicle structures under quasi-static loading conditions. The finite element limit analysis for three-dimensional structures is formulated based on the duality theorem in plasticity. The analysis considers sequential deformation of structures with work-hardening effects. The collpase analysis for an S-shaped frame is conducted using both the limit analysis program developed here and the commercial code ABAQUS. Results show a good agreement in load-carrying capacity and deformation mode predictions. Example studies also demonstrate that the method presented can be used to identify the weak part of a structure and change its design to enhance the load-carrying capacity and reduce vehicle passenger compartement distortions.
Document information
Vehicle structural collapse analysis using a finite element limit method
Finite-Elemente-Analyse eines Fahrzeugstruktur-Kollapses
International Journal of Vehicle Design ; 21 , 4/5 Special Issue ; 436-449
1999
14 Seiten, 9 Bilder, 2 Tabellen, 13 Quellen
Article (Journal)
English
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