Finite element modelling of metallic tubular crash structures with an explicit code

Silcock, Michael, Hall, Wayne, Fox, Bronwyn and Warrior, Nick 2006, Finite element modelling of metallic tubular crash structures with an explicit code, International journal of vehicle safety, vol. 1, no. 4, pp. 292-303.

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Title Finite element modelling of metallic tubular crash structures with an explicit code
Author(s) Silcock, Michael
Hall, Wayne
Fox, Bronwyn
Warrior, Nick
Journal name International journal of vehicle safety
Volume number 1
Issue number 4
Start page 292
End page 303
Publisher Inderscience Publishers
Place of publication Olney, England
Publication date 2006
ISSN 1479-3105
1479-3113
Keyword(s) finite element modelling
FEM
simulation
tubular crash structures
crashworthiness
FE simulation
vehicle safety
axial compression
load displacement
vehicle accidents
frontal impact
Summary Numerous experimental studies have been carried out to investigate the collapse of tubular metallic crash structures under axial compression. Some simple theoretical models have been developed but these often assume one type of progressive collapse, which is not always representative of the real situation. Finite Element (FE) models, when further refined, have the potential to predict the actual collapse mode and how it influences the load-displacement and energy absorption characteristics. This paper describes an FE modelling investigation with the explicit code LS−DYNA. An automatic mesh generation programme written by the authors is used to set up shell and solid element tube models. Mesh specification issues and features relating to the contact and friction models are discussed in detail. The crush modes, load-deflection characteristics and energy absorption values found in the simulations are compared with a reasonable degree of correlation to those observed in a physical testing programme; however, improvements are still required.
Language eng
Field of Research 090299 Automotive Engineering not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003837

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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