Analysis of Crashworthiness of Bishoftu Pickup Vehicle Structure during Side Pole Crash

Author:

Gashu Adane1,Nallamothu Ramesh Babu2ORCID

Affiliation:

1. Bahir Dar Institute of Technology, Bahir Dar University, Bahirdar, Ethiopia

2. Department of Mechanical Engineering, SoMCME, ASTU, Adama, Ethiopia

Abstract

Now a day’s, vehicle accident is becoming a critical issue all over the world, especially in Ethiopia. These vehicles have not been checked for any crash safety test specifications and are not evaluated for crashworthiness. So, it is now time to consider the safety features of Bishoftu pickup vehicles (BPV) to reduce the grave consequences for their users. This paper aimed to improve the crashworthiness of the existing Bishoftu pickup vehicle through remodeling. The structural response to a frontal collision with an existing BPV is analyzed. Based on the results obtained from the existing model, modifications are made by means of energy-absorbing components, a stable frame structure, and better crash performance. For doing the analysis software like CATIA is used for 3D modeling, and LS-DYNA is used for FEM analysis. The results show that by applying the modification, 39 kN (7.82%) of impact force is reduced and 5 kJ (3.52%) of additional energy is absorbed during the frontal collision. Finally, it can be concluded that with the modified model, the safety and crashworthiness of the BPV were greatly improved without affecting the appearance and weight of the existing one.

Publisher

Hindawi Limited

Subject

Electrical and Electronic Engineering,Industrial and Manufacturing Engineering,Hardware and Architecture,Mechanical Engineering,General Chemical Engineering,Civil and Structural Engineering

Reference18 articles.

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2. Finite element dynamic simulation of whole rallying car structure: towards a better understanding of structural dynamics during side impacts;E. Nassiopoulos

3. Car side structure crashworthiness in pole and moving deformable barrier side impacts;D. Wang;Tsinghua Science and Technology,2006

4. Numerical simulation of crashworthiness parameters for design optimization of an automotive crash-box

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