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Vehicle Crash Can FEA Model Simulation and Validation with Experiment Data

Vehicle Crash Can FEA Model Simulation and Validation with Experiment Data Abstract Vehicle crash-can transfers the kinetic energy into strain energy stored in the structure via a sequential deformation wall crushing process. The performance of the crash can FEA model and its ability of predicting mechanical behaviours in a crash event is assessed and verified via the FEA analysis and corresponding experiment data. Compression tests are performed to validate the FEA simulation results. Wall tolerance sensitivity is also investigated via FEA simulation in order to examine if and how the manufacturing defect could impose impact on crash can energy absorption capability. It is found that the performance of crash-can with manufacturing tolerances can be predicted by the FEA model derived in this paper. Internal energy analysis indicates the wall thickness is tolerance insensitive and manufacturing defect can be disregarded under the manufacturing tolerance standards. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nonlinear Engineering de Gruyter

Vehicle Crash Can FEA Model Simulation and Validation with Experiment Data

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Publisher
de Gruyter
Copyright
Copyright © 2015 by the
ISSN
2192-8010
eISSN
2192-8029
DOI
10.1515/nleng-2014-0030
Publisher site
See Article on Publisher Site

Abstract

Abstract Vehicle crash-can transfers the kinetic energy into strain energy stored in the structure via a sequential deformation wall crushing process. The performance of the crash can FEA model and its ability of predicting mechanical behaviours in a crash event is assessed and verified via the FEA analysis and corresponding experiment data. Compression tests are performed to validate the FEA simulation results. Wall tolerance sensitivity is also investigated via FEA simulation in order to examine if and how the manufacturing defect could impose impact on crash can energy absorption capability. It is found that the performance of crash-can with manufacturing tolerances can be predicted by the FEA model derived in this paper. Internal energy analysis indicates the wall thickness is tolerance insensitive and manufacturing defect can be disregarded under the manufacturing tolerance standards.

Journal

Nonlinear Engineeringde Gruyter

Published: Jul 1, 2015

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