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Numerical Study of an Automotive Crash Box in Carbon Fiber Reinforced Polymer Material Using Chang Failure Criteria

Author

Listed:
  • Mohammed Berrada Gouzi

    (Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco)

  • Said EL Fakkoussi

    (Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco)

  • Ahmed El Khalfi

    (Faculty of Science and Technology, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco)

  • Sorin Vlase

    (Department of Mechanical Engineering, Faculty of Mechanical Engineering, Transylvania University of Brasov, B-dul Eroilor 29, 500036 Brasov, Romania
    Romanian Academy of Technical Sciences, B-dul Dacia 26, 030167 Bucharest, Romania)

  • Maria Luminita Scutaru

    (Department of Mechanical Engineering, Faculty of Mechanical Engineering, Transylvania University of Brasov, B-dul Eroilor 29, 500036 Brasov, Romania)

Abstract

This paper discusses novel numerical techniques for studying the damage to automotive safety components in carbon fiber reinforced polymer (CFRP) deployed in the automotive industry to protect passengers, high voltage batteries and powertrains from rear impacts. The idea proposed in the manuscript is to use Newmark’s methodology with the FEM for the numerical description of the explicit dynamic model of the components facing the standard impactor, following the Euro NCAP protocol. Using an explicit dynamic Radioss rear crash box, we have successfully demonstrated normal behavior for CFRP materials, where the value of kinetic energy is close to the theoretical value. Moreover, the simulation provides a behavior consistent with previous successful studies because the maximum dynamic time is the same as the total damage (0.10 ms).

Suggested Citation

  • Mohammed Berrada Gouzi & Said EL Fakkoussi & Ahmed El Khalfi & Sorin Vlase & Maria Luminita Scutaru, 2024. "Numerical Study of an Automotive Crash Box in Carbon Fiber Reinforced Polymer Material Using Chang Failure Criteria," Mathematics, MDPI, vol. 12(23), pages 1-24, November.
    • Handle: RePEc:gam:jmathe:v:12:y:2024:i:23:p:3673-:d:1527937
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