Damage Induced by High-Velocity Impact on Composite Structures Using Finite Element Simulation

被引:7
作者
Duodu, E. A. [1 ,2 ]
Gu, J. N. [1 ]
Shang, Z. [1 ]
Ding, W. [1 ]
Tang, S. [1 ]
机构
[1] Jiangsu Univ, Sch Mech Engn, Zhenjiang 212013, Peoples R China
[2] Univ Cape Coast, Dept Agr Engn, Cape Coast, Ghana
关键词
Composite laminate; Cohesive element; Finite element simulation; High-velocity impact; Impact behavior; STRAIN RATE BEHAVIOR; BALLISTIC IMPACT; MODEL; FAILURE; DEFORMATION; COMPRESSION; PLY;
D O I
10.1007/s40997-016-0047-z
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In the current study, a finite element model was established to simulate the penetration process of composite laminates under high-velocity impact. A 3D ratedependent damage constitutive model was developed to simulate the ballistic response of unidirectional fiber-reinforced composite laminate. Numerical models were built based on a damage model where cohesive contact method was involved. The user-developed FORTRAN subroutine (VUMAT) was written and implemented in ABAQUS/Explicit 6.11 version. The ballistic resistance and damage characteristics of composite laminate were discussed, and the damage model was validated. The results of the FEM were observed to agree well with experimental observation. According to the results, the ply angle of the laminate had great influence on the damage distribution; thus, when the ply angle increases, the ballistic resistance and damage areas on both front and rear side of the laminate decrease. Again, the result shows that increasing the thickness of the laminate was advantageous to the ballistic resistance and damage characteristics of the composite laminates. The prediction of the model was proved to have good accuracy and efficiency.
引用
收藏
页码:97 / 107
页数:11
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