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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.5 P.677~684

10.1631/jzus.A0820746


Penetration of disk fragments following impact on thin plate


Author(s):  Juan-juan LI, Hai-jun XUAN, Lian-fang LIAO, Wei-rong HONG, Rong-ren WU

Affiliation(s):  Insititute of Chemical Machinery, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   marine@zju.edu.cn

Key Words:  Aeroengine, Disk burst failure, Case containment capability, Ballistic limit velocity


Juan-juan LI, Hai-jun XUAN, Lian-fang LIAO, Wei-rong HONG, Rong-ren WU. Penetration of disk fragments following impact on thin plate[J]. Journal of Zhejiang University Science A, 2009, 10(5): 677~684.

@article{title="Penetration of disk fragments following impact on thin plate",
author="Juan-juan LI, Hai-jun XUAN, Lian-fang LIAO, Wei-rong HONG, Rong-ren WU",
journal="Journal of Zhejiang University Science A",
volume="10",
number="5",
pages="677~684",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820746"
}

%0 Journal Article
%T Penetration of disk fragments following impact on thin plate
%A Juan-juan LI
%A Hai-jun XUAN
%A Lian-fang LIAO
%A Wei-rong HONG
%A Rong-ren WU
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 5
%P 677~684
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820746

TY - JOUR
T1 - Penetration of disk fragments following impact on thin plate
A1 - Juan-juan LI
A1 - Hai-jun XUAN
A1 - Lian-fang LIAO
A1 - Wei-rong HONG
A1 - Rong-ren WU
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 5
SP - 677
EP - 684
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0820746


Abstract: 
To investigate the ballistic resistance and failure pattern of aeroengine casing following the impact of disk fragments, and to determine the optimum case structure, the phenomena of a 1/3rd disk fragment impact on single and double-layered thin plate targets were simulated using nonlinear dynamical analysis software MSC.Dytran. Strain rate effect was introduced in a Johnson-Cook (JC) material model for the disk fragment and the plate. Impact modeling was based on the Arbitrary Lagrange-Eulerian method, and simulated using explicit finite element method (FEM). Simulation results showed that the major failure pattern of the plate is shearing and tensile fracture with large plastic deformation. It was also concluded that the ballistic limit velocity increases with the standoff distance when it is beyond a certain value, and that greater resistance is obtained when the front plate has either a proportionately low or high thickness. The impact resistance of a double-layered plate may exceed that of a single plate if the thicknesses and standoff distance of the two plates are set appropriately.

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Reference

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