Investigation and Optimization of Multi-walled Multi-cell Energy Absorbers considering Different Cross-sections

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Dehghanian M.A.; ASGARI M.

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:48 | Issue:4 (85) Page(s): 143-152

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Information Journal Paper

Title

Investigation and Optimization of Multi-walled Multi-cell Energy Absorbers considering Different Cross-sections

Author(s)

Dehghanian M.A. | ASGARI M. | Issue Writer Certificate

Keywords

Energy absorption

double layer tubes

conical and multicellular tubes

Abstract

In this paper, the behavior of Energy absorption and maximum force of multi-walled and multi-cell tubes with different cross sections have been studied. Energy-absorption behavior has been simulated using finite element method in ABAQUS software. Numerical simulations with quasi-static load assumption for circle and square-shaped peripheral sections were performed. In the first step, the numerical results of applied force displacement curve caused by movement of the upper barrier have been compared with existing experimental results in different sources. In addition, the tube geometry has been changed to obtain better Energy absorption. Then, several models of multi-cell sectins have been modeled. Using multi-cellular results indicating a high percentage of specific Energy absorption, three types of adsorbents were designed with specified thickness parameters, vertex angle, tube spacing and number of cells. Using the design of experiments, the results of the simulation of these three absorbers were extracted with different parameters. The objective function equations are extracted from experimental design results according to the parameters considered using the response procedure method. Also, by using the genetic algorithm on the equations obtained by the response surface model, the optimal absorber characteristics were determined and correlated with the simulation results.

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APA: Copy

Dehghanian, M.A., & ASGARI, M.. (2019). Investigation and Optimization of Multi-walled Multi-cell Energy Absorbers considering Different Cross-sections. JOURNAL OF MECHANICAL ENGINEERING, 48(4 (85) ), 143-152. SID. https://sid.ir/paper/269928/en

Vancouver: Copy

Dehghanian M.A., ASGARI M.. Investigation and Optimization of Multi-walled Multi-cell Energy Absorbers considering Different Cross-sections. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;48(4 (85) ):143-152. Available from: https://sid.ir/paper/269928/en

IEEE: Copy

M.A. Dehghanian, and M. ASGARI, “Investigation and Optimization of Multi-walled Multi-cell Energy Absorbers considering Different Cross-sections,” JOURNAL OF MECHANICAL ENGINEERING, vol. 48, no. 4 (85) , pp. 143–152, 2019, [Online]. Available: https://sid.ir/paper/269928/en

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