THE INFLUENCE OF PREFORMED HOLES ON THE DYNAMIC RESPONSE OF BLAST LOADED ALUMINUM PLATES

Oussama Atoui, Abdelhafidh Moumen, Mouhamed Dhouibi, Azer Maazoun, Bachir Belkassem, Lincy Pyl, David Lecompte

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdragepeer review

Samenvatting

In this paper, the dynamic response of Aluminum plates with predrilled holes subjected to different intensities of blast loading is studied both experimentally and numerically as to imitate the case where fragments strike and perforate the plates before the load pressure arrives. The blast loading is applied using an Explosive Driven Shock Tube (EDST) [10-12] which ensures a uniformly distributed blast wave on the test specimens. Experiments were carried out for different sizes, positions, and numbers of the predrilled holes in the plates positioned at the end extremity of the tube. Special focus is dedicated to investigate the influence of these parameters on the dynamic response and failure characteristics of plates via the Digital Image Correlation technique (DIC). Numerical simulations were performed in the finite element code LS-DYNA to recreate the plate deformation and the observed phenomena seen in the experiments.

Originele taal-2Engels
TitelProceedings - 32nd International Symposium on Ballistics, BALLISTICS 2022
RedacteurenThelma G. Manning, Frederick C. Rickert
UitgeverijDEStech Publications
Pagina's1189-1202
Aantal pagina's14
Volume2
Uitgave32
ISBN van elektronische versie9781605956893
StatusGepubliceerd - 2022
Evenement32nd International Symposium on Ballistics, BALLISTICS 2022 - Reno, Verenigde Staten van Amerika
Duur: 9 mei 202213 mei 2022

Congres

Congres32nd International Symposium on Ballistics, BALLISTICS 2022
Land/RegioVerenigde Staten van Amerika
StadReno
Periode9/05/2213/05/22

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