Engineering Mechanics

International Conference

Proceedings Vol. 30 (2024)


ENGINEERING MECHANICS 2024

30th INTERNATIONAL CONFERENCE
May 14 – 16, 2024, Milovy, Czech Republic
;
Editors: Vladimír Fuis and Petr Hájek

Copyright © 2024 Brno University of Technology, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno

ISBN 978-80-214-6235-9 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Influence of simplifying the geometry of the FE model of the vehicle frontal full barrier crash test
Jančář R., Dlugoš J., Fridrichová K.
pages 146 - 149, full text

The deformation of the vehicle as a result of the accident serves as the input for determining the impact speed for the purposes of the expert report. One possibility of calculating the impact speed is by means of a verified finite element analysis (FEA) of the vehicle impact. However, to develop such a sufficiently accurate finite element (FE) model requires a significant financial and time investment. Such a model contains a number of key simplifications that are difficult to detect without prior experience. Fortunately, there are at least a few freely available detailed FE vehicle models that have been experimentally verified. On these it is possible to investigate the effect of different modelling methods on observed parameters such as overall deformation. This paper is specifically concerned with the sensitivity of FEA results to different levels of vehicle geometry modelling. A Chevrolet Silverado 1500, model year 2014, is used as a detailed FE vehicle model.


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