crash simulation
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2022 ◽  
Vol 69 (1) ◽  
Author(s):  
Malik Athafarras ◽  
Djati Wibowo Djamari ◽  
Muhamad Rausyan Fikri ◽  
Bentang Arief Budiman ◽  
Farid Triawan ◽  
...  

AbstractThe problem considered in this work is the development of simulation method for simulating car crash which utilizes simple car—impact attenuator model developed in MATLAB. Usually, car crash simulation is done using full finite element simulation which could take hours or days depending on the model size. The purpose of proposed method is to achieve quick results on the car crash simulation. Past works which utilizes simple car—impact attenuator model to simulate car crash use continuous time model and the impact attenuator parameter is obtained from the experimental results. Different from the related works, this work uses discrete time model, and the impact attenuator parameter is obtained from finite element simulation. Therefore, the proposed simulation method is not only achieving quick simulation results but also minimizing the cost and time in obtaining the impact attenuator parameter. The proposed method is suitable for parametric study of impact attenuator.


Author(s):  
Lý Hùng Anh ◽  
Dinh Bao Nguyen ◽  
Anh Huy Nguyen

Crash test simulation using finite-element method is more and more popular in the automobile industry because of its feasibility and cost saving. The majority of finite element dummy models used in crash simulation are built based on anthropometrical and biomechanical data of the USA and European bodies. Thus, it is necessary to develop a scaling algorithm to scale a reference dummy size into a desired one without rebuilding the entire model. In this paper, the Hybrid III dummy model provided by LS-DYNA software is scaled to suit Vietnamese biomechanical characteristics. Then a standard criterion for head injuries called HIC is introduced. In addition, the Hybrid III dummy model is validated by comparing experimental data with simulation results obtained from computer model.


2020 ◽  
Vol 46 (6) ◽  
pp. 256-264
Author(s):  
Masato Nishi ◽  
Tsuyoshi Nishihara ◽  
Chikara Kawamura ◽  
Kei Saito ◽  
Shunsuke Kanemoto ◽  
...  

2020 ◽  
Vol 858 ◽  
pp. 14-19
Author(s):  
Michael May

In the context of automotive crash simulation, rate-dependent properties are sought for all materials undergoing deformation. Measuring rate-dependent properties of adhesively bonded joints is a challenging and associated with additional cost. This article assesses the need for having rate-dependent properties of adhesively bonded joints for the example of a typical automotive structure, an adhesively bonded metallic T-joint. Using Finite Element simulation it could be shown that good agreement between experiment and simulation was only achieved if rate-dependent properties were considered for the adhesive.


2020 ◽  
Vol 1 ◽  
pp. 559-568
Author(s):  
N. Fatfouta ◽  
J. Stal-Le Cardinal

AbstractIn automotive industry, the design process is costly and time-consuming. Car safety is a crucial factor in the development of a vehicle, which is why crash simulation is an essential step in the design process. To improve car crash simulation analysis, it is necessary to reduce the time required and support the resolution of encountered design issues. We propose a knowledge management approach to support car crash simulation analysis and ensure the collaboration of different stakeholders. In a knowledge-intensive context, we used an ontology-based approach to formalise and capture knowledge.


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