Design of a Functionally Graded Structure to Improve Energy Absorption Using the Schwarz P Minimal Surface
Publish place: 18th National Conference and 7th International Conference on Manufacturing Engineering in Iran
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICME18_131
تاریخ نمایه سازی: 8 خرداد 1401
Abstract:
Designing and modeling materials using gradient structures can produce significant results and provide a variety of properties. These structures will also lead to the optimal use of raw materials. In this research, based on the use of minimal surfaces, a method for designing a gradient structure in order to optimally absorb energy is presented. For this purpose, first the gradient structure is created with a volume fraction equal to ۵۶% of the solid part and by changing the dimensions linearly. Then a structure with the same volume fraction and the same general dimensions, but with a uniform structure is designed and modeled. For each of the two structures, ۱۲۵ unit cells are used, which are created by modeling the minimal surface of Schwarz P and using the multisided patch. In the second step, by transferring the model to Abacus software, the ability to absorb energy when a rigid object collides with these two structures is compared. The overall trend of the results shows that the designed gradient structure will absorb energy more smoothly and in a wider range and to a greater extent that can be used in the optimal design of shock absorbers.
Keywords:
Functionally Graded Material- Energy Absorption- Minimal Surface
Authors
Seyyed Mohammad Bagher Mirafzali
M.Sc. Student, Mechanical Engineering Department, University of Birjand, Birjand, Iran.
Ali Hasanabadi
Assistant Professor, Mechanical Engineering Department, University of Birjand, Birjand Iran.