The Effect Of Material Exposure Variations On Energy Absorption Capability And pattern Of Deformation Material Of Crash Box Of Three Segments

Abstrak Crash box is part of the supportingcomponents on vehicle safety, especially cars. The crash boxis designed to reduce the occurrence of driver's injuries due to collisions. This study aimed to determine the capability of energy absorption and deformation patterns in the crash box using a...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1273 (1), p.12081
Main Authors: Artha Wirawan, Willy, Zulkarnain, Akbar, Boedi Wahjono, Hari, Jamaludin, Tyas Damayanti, Ajeng
Format: Article
Language:English
Subjects:
Aluminum
computer simulation
Deformation
Dependent variables
Energy absorption
Finite element method
force reaction
Independent variables
Injury prevention
multi-segment crash box
Physics
Segments
Simulation
Vehicle safety
Weight reduction
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Summary:Abstrak Crash box is part of the supportingcomponents on vehicle safety, especially cars. The crash boxis designed to reduce the occurrence of driver's injuries due to collisions. This study aimed to determine the capability of energy absorption and deformation patterns in the crash box using a three-segment circle cross-section. The research method was quasi-experimental with a simulation using Finite Element Method software. The crash box simulation carried out with a 200 kg impactor on a speed of 7.67 m/s. The independent variable in this study is the material exposure variation in the crash box using steel-aluminum-steel and aluminum-steel-aluminum. The dependent variables were energy absorption, force reaction and deformation patterns occurring in the crash box. Based on the simulation results, the values ofenergy absorption was 82452 J and force reaction was 1127700 N in the crash box of steel-aluminum-steel material. Meanwhile, the crash box material of aluminum-steel-aluminum has an energy absorption value of 236210 N, force reaction of 12432 J and a better and more stable on deformation pattern.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1273/1/012081