Design and Fabrication of a Composite Energy Absorber
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 393
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شناسه ملی سند علمی:
JR_ADMTL-13-4_001
تاریخ نمایه سازی: 16 دی 1399
چکیده مقاله:
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°.
کلیدواژه ها:
نویسندگان
Hamid Reza Shalian
Department of Mechanical Engineering, Malek Ashtar University of Technology, Tehran, Iran
Mohammad Hossein Alaee
Department of Mechanical Engineering, Composite Engineering Research Institute
Jafar Eskandari Jam
Department of Mechanical Engineering, Composite Engineering Research Institute
Mohsen Heydari Beni
Department of Mechanical Engineering, Malek Ashtar University of Technology, Tehran, Iran
Majid Eskandari Shahraki
Department of Aerospace Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
Naser Asiaban
Department of Aerospace Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
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