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Penetration of disk fragments following impact on thin plate
Alternative TitlePenetration of disk fragments following impact on thin plate
Juanjuan LI1; Haijun XUAN1; Lianfang LIAO2; Weirong HONG1; Rongren WU1
2009
Source Publication浙江大学学报:A卷英文版
ISSN1673-565X
Volume10.0Issue:005Pages:677-684
AbstractTo 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 standoffdistance 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.
Other AbstractTo 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 standoffdistance 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.
Keyword磁盘碎片 双层薄板 MSC.Dytran 模拟分析软件 渗透 非线性动力学 显式有限元法 弹道极限速度
Indexed ByCSCD
Language中文
CSCD IDCSCD:3643009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150004
Collection中国科学院金属研究所
Affiliation1.浙江大学
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Juanjuan LI,Haijun XUAN,Lianfang LIAO,et al. Penetration of disk fragments following impact on thin plate[J]. 浙江大学学报:A卷英文版,2009,10.0(005):677-684.
APA Juanjuan LI,Haijun XUAN,Lianfang LIAO,Weirong HONG,&Rongren WU.(2009).Penetration of disk fragments following impact on thin plate.浙江大学学报:A卷英文版,10.0(005),677-684.
MLA Juanjuan LI,et al."Penetration of disk fragments following impact on thin plate".浙江大学学报:A卷英文版 10.0.005(2009):677-684.
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