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Article

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Title

Blast Resistance of Sandwich Plate with Auxetic Anti-tetrachiral Core

Authors

[ 1 ] Instytut Mechaniki Stosowanej, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ D ] phd student | [ P ] employee

Scientific discipline (Law 2.0)

[2.9] Mechanical engineering

Year of publication

2020

Published in

Vibrations in Physical Systems

Journal year: 2020 | Journal volume: vol. 31 | Journal number: no. 3

Article type

scientific article

Publication language

english

Keywords
EN
  • auxetics
  • sandwich plate
  • blast resistance
  • explicit dynamics
  • finite element method
Abstract

EN Auxetic structures exhibit unusual behavior not only when subjected to static loads but also in case of dynamic events. However, their response to transient loads still requires further research. In this article, the blast resistance of auxetic and non-auxetic sandwich plates was compared using the finite element method. The first stage of works, that consisted of the analyses of plates with homogenized core with different values of Poisson’s ratio subjected to blast load, proved that auxetic core may increase the resistance to this kind of load. In the next step, two sandwich plates were compared – one with auxetic anti-tetrachiral core and one with a non-auxetic hexagonal honeycomb core. Obtained results indicate that auxetic plate has superior blast resistance when compared with the regular sandwich panel.

Pages (from - to)

2020317-1 - 2020317-8

DOI

10.21008/j.0860-6897.2020.3.17

URL

https://vibsys.put.poznan.pl/_journal/2020-31-3/articles/vibsys_2020317.pdf

Comments

Article Number: 2020317

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Full text of article

Download file

Access level to full text

public

Ministry points / journal

40

Ministry points / journal in years 2017-2021

70

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