Low velocity impact and quasi-static in-plane loading on a graded honeycomb structure: Experimental, analytical and numerical study

S.A. Galehdari, M. Kadkhodayan, S. Hadidi-Moud

Research output: Contribution to journalArticle

20 Citations (Scopus)
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Abstract

Through the increasing development of technology in different industries, and the integral requirement of energy absorption, light shock absorbers such as honeycomb structure under in-plane and out-of-plane loads have been in the center of attention. The purpose of this research is to analyze the behavior of graded honeycomb structure (GHS) under low-velocity impact and quasi-static loading. To begin with using the lower-bound theorem, an analytical equation for plateau stress is represented, taking power hardening model into consideration. To compare the acquired analytical equations, empirical tests are conducted on test specimens made of aluminum 6061-O, under previously mentioned loading. Uniaxial tensile tests on each row material are performed to collect data on material properties. The low-velocity and quasi-static tests are conducted with Drop-weight and Santam compression machines, respectively. The quasi-static test is conducted to study the strain rate effect on behavior of the structure. Two experimental tests are simulated in ABAQUS/CAE. Based on the conducted comparisons, the numerical and analytical results indicate a satisfactory agreement with experimental results. Given the performed comparison between experimental and numerical mode shapes, a “V” deformation mode is distinguished for test specimen.

Publisher Statement: NOTICE: this is the author’s version of a work that was accepted for publication in Aerospace Science and Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Aerospace Science and Technology, [47, (2017)] DOI: 10.1016/j.ast.2015.10.010

© 2017, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Original languageEnglish
Pages (from-to)425-433
Number of pages9
JournalAerospace Science and Technology
Volume47
Early online date19 Oct 2015
DOIs
Publication statusPublished - Dec 2015
Externally publishedYes

Fingerprint

Honeycomb structures
Shock absorbers
Computer aided engineering
ABAQUS
Energy absorption
Quality control
Hardening
Strain rate
Materials properties
Aluminum
Industry

Keywords

  • Graded honeycomb structure
  • In-plane impact load
  • Quasi-static
  • Plateau stress
  • Deformation mode

Cite this

Low velocity impact and quasi-static in-plane loading on a graded honeycomb structure : Experimental, analytical and numerical study. / Galehdari, S.A.; Kadkhodayan, M.; Hadidi-Moud, S.

In: Aerospace Science and Technology, Vol. 47, 12.2015, p. 425-433.

Research output: Contribution to journalArticle

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