simulation of the ballistic perforation of aluminum plates with abaqus/explicit 2012
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This Technology Brief describes Abaqus/Explicit modeling of the ballistic impact of metal projectiles on metal targets. It will demonstrate the utility of Abaqus/Explicit as a tool for reducing the amount of experimental testing as well as assessing the projectile residual velocities and time-resolved kinematics.TRANSCRIPT
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Simulation of the ballistic perforation of aluminum plates with Abaqus/ExplicitAbaqus Technology BriefSummary
Key Abaqus/Explicit Features and Benefits Mie-Grneisen equation of state to model materials at high pressure Johnson-Cook plasticity model that accounts for strain rate, thermal effects and compressibility Johnson-Cook dynamic failure model within the Abaqus ductile damage initiation criterion for metals Progressive damage framework
Background
Analysis Approach
2
Mesh details
Constitutive model
B 0 0
n melt m C 0 transition
A
c0
s
A
A B
n
Table 1: Input parameters for the Mie-Grneisen EOS model, [4, 5]0 , c0 , 0 s
Table 2: Input parameters for the Johnson-Cook plasticity model, [5, 6, 7]A, B,
n
melt
transition,
m
C
0
,
3
Results Normal Impact
Failure model
Oblique Impact
Initial and Boundary Conditions
Table 3: Calibrated input parameters for the Johnson-Cook plasticity model A, B,
n
melt
transition,
m
C
0
Table 4: Input parameters for the Johnson-Cook dynamic failure model, [5, 6, 7]
d1
d2
d3
d4
d5
4
Conclusions
5
References
SIMULIA References
About SIMULIA
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