Design and Fabrication of a Composite Energy Absorber

ADMT Journal

دوره 13، شماره 4، اسفند 2020، صفحه 1-12   

نوع مقاله: Original Article

شناسه دیجیتال (DOI): 10.30495/admt.2020.1893677.1186

نویسندگان

Hamid Reza Shalian¹؛ Mohammad Hossein Alaee²؛ Jafar Eskandari Jam^{* 2}؛ Mohsen Heydari Beni¹؛ Majid Eskandari Shahraki³؛ Naser Asiaban³

¹Department of Mechanical Engineering, Malek Ashtar University of Technology, Tehran, Iran

²Department of Mechanical Engineering, Composite Engineering Research Institute

³Department of Aerospace Engineering, Ferdowsi University of Mashhad, Mashhad, Iran

چکیده

In this paper, the quasi-static test and the damage of the thin-walled composite cylinder were numerically simulated using ABAQUS. Then, a comparison was made between the results of this simulation and those obtained from experimental studies followed by their validation. In the next step, several parameters affecting the energy absorption rate including outer diameter-to-cylinder height ratio, thickness-to-outer diameter ratio, and angle of damage initiation mechanism were selected. They were optimized by modelling different states in ABAQUS. The number of tests is reduced by the design of experiments using response surface methodology and the optimal specimen is extracted by this software. Finally, optimum adsorbent is fabricated and tested. Considering enhanced energy absorption, increased mean reaction force, and reduced initial maximum force, the optimal design parameters include the inner diameter-to-cylinder height ratio of 0.2, thickness-to-inner diameter ratio of 0.1, and angle of damage initiation mechanism of 45°.

کلیدواژه‌ها

Composite؛ Crash Box؛ Energy Absorber؛ Quasi-Static

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