ANALYTICAL AND NUMERICAL STUDY OF ENERGY ABSORPTION OF GRADED HONEYCOMB STRUCTURE UNDER IN-PLANE IMPACT

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GALEHDARI SEYED ALI; KADKHODAYAN MEHRAN; HADIDI MOUD SAIED

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:16 Page(s): 261-271

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Information Journal Paper

Title

ANALYTICAL AND NUMERICAL STUDY OF ENERGY ABSORPTION OF GRADED HONEYCOMB STRUCTURE UNDER IN-PLANE IMPACT

Author(s)

GALEHDARI SEYED ALI | KADKHODAYAN MEHRAN | HADIDI MOUD SAIED | Issue Writer Certificate

Keywords

GRADED HONEYCOMB STRUCTURE (GHS)Q2

INQ2

PLANE IMPACT LOADQ2

POWER HARDENINGQ2

SPECIFIC ABSORBED ENERGYQ2

OPTIMIZATIONQ2

Abstract

Given the significance of energy absorption IN various INdustries, light shock absorbers such as honeycomb structure under IN-plane and out of plane loads are IN the core of attention. IN this research an analytical equation for plateau stress is represented, taking POWER HARDENING model INto consideration. The equation of specific absorbed of graded honeycomb structure with the locking strain and strain energy equation is represented. The structure made from five aluminum grades is simulated IN ABAQUS/CAE for elastic-perfectly plastic and POWER HARDENING model, according to the results; numerical value of absorbed energy is compared to that of analytical method. A drop weight test on a graded honeycomb structure was performed. Based on the numerical simulation results, the experimental and numerical results showed good agreement. Based on the conducted comparisons, the numerical and analytical results are more congruent for POWER HARDENING model rather than elastic-perfectly plastic one. IN the first step of OPTIMIZATION, by applying SQP method and genetic algorithm, the ratio of structure mass to the absorbed energy is minimized. IN the second step, regarding the optimum value of parameters obtained IN the first step, the material property of each row is changed. According to the OPTIMIZATION results, while keeping the mass of structure as constant, the structure capacity of absorbing energy is INcreased by 18% IN the first step and 264% IN the second model, compared to the primary model.

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APA: Copy

GALEHDARI, SEYED ALI, KADKHODAYAN, MEHRAN, & HADIDI MOUD, SAIED. (2015). ANALYTICAL AND NUMERICAL STUDY OF ENERGY ABSORPTION OF GRADED HONEYCOMB STRUCTURE UNDER IN-PLANE IMPACT. MODARES MECHANICAL ENGINEERING, 14(16), 261-271. SID. https://sid.ir/paper/177861/en

Vancouver: Copy

GALEHDARI SEYED ALI, KADKHODAYAN MEHRAN, HADIDI MOUD SAIED. ANALYTICAL AND NUMERICAL STUDY OF ENERGY ABSORPTION OF GRADED HONEYCOMB STRUCTURE UNDER IN-PLANE IMPACT. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(16):261-271. Available from: https://sid.ir/paper/177861/en

IEEE: Copy

SEYED ALI GALEHDARI, MEHRAN KADKHODAYAN, and SAIED HADIDI MOUD, “ANALYTICAL AND NUMERICAL STUDY OF ENERGY ABSORPTION OF GRADED HONEYCOMB STRUCTURE UNDER IN-PLANE IMPACT,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 16, pp. 261–271, 2015, [Online]. Available: https://sid.ir/paper/177861/en

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